Baronies created by letters patent (as opposed to the older form of creation by writ).

Lord Aberbrothwick    [Scotland, 1608]
  1st: James Hamilton (5 May 1608-2 Mar 1625)
  2nd: James Hamilton (2 Mar 1625-9 Mar 1649)

Baron Aberconway    [United Kingdom, 1911]
  1st: Charles Benjamin Bright McLaren (21 Jun 1911-23 Jan 1934)
  2nd: Henry Duncan McLaren (23 Jan 1934-23 May 1953)
  3rd: Charles Melville McLaren (23 May 1953-4 Feb 2003)
  4th: Henry Charles McLaren (4 Feb 2003- )

Lord Abercorn, co. Linlithgow    [Scotland, 1603]
  1st: James Hamilton (5 Apr 1603-23 Mar 1618)
  2nd: James Hamilton (23 Mar 1618-c 1670)
  3rd: George Hamilton (c 1670-b 1683)
  4th: Claud Hamilton (c 1680-Aug 1691)
  5th: Charles Hamilton (Aug 1691-Jun 1701)
  6th: James Hamilton (Jun 1701-28 Nov 1734)
  7th: James Hamilton (28 Nov 1734-11 Jan 1744)
  8th: James Hamilton (11 Jan 1744-9 Oct 1789)
  9th: John James Hamilton (9 Oct 1789-27 Jan 1818)
10th: James Hamilton (27 Jan 1818-31 Oct 1885)
11th: James Hamilton (31 Oct 1885-3 Jan 1913)
12th: James Albert Edward Hamilton (3 Jan 1913-12 Sep 1953)
13th: James Edward Hamilton (12 Sep 1953-4 Jun 1979)
14th: James Hamilton (4 Jun 1979- )

Lord of Abercrombie    [Scotland, 1647]
  1st: James Sandilands (12 Dec 1647-a Feb 1667)
  2nd: James Sandilands (a 27 Feb 1667-1681)

Baroness Abercromby of Aboukir and Tullibody, co. Clackmannan    [United Kingdom, 1801]
  1st: Mary Anne Menzies (28 May 1801-11 Feb 1821)
  2nd: George Abercromby (11 Feb 1821-15 Feb 1843)
  3rd: George Ralph Abercromby (15 Feb 1843-25 Jun 1852)
  4th: George Ralph Campbell Abercromby (25 Jun 1852-30 Oct 1917)
  5th: John Abercromby (30 Oct 1917-7 Oct 1924)

Baron Aberdare of Duffryn, co. Glamorgan    [United Kingdom, 1873]
  1st: Henry Austin Bruce (23 Aug 1873-25 Feb 1895)
  2nd: Henry Campbell Bruce (25 Feb 1895-20 Feb 1929)
  3rd: Clarence Napier Bruce (20 Feb 1929-4 Oct 1957)
  4th: Morys George Lyndhurst Bruce (4 Oct 1957-23 Jan 2005)
  5th: Alastair John Lyndhurst Bruce (23 Jan 2005- )

Lord Abernethy    [Scotland, 1562]
  1st: James Stewart (30 Jan 1562-20 Jan 1570)
  2nd: Elizabeth Stewart (21 Jan 1570-18 Nov 1591)
  3rd: James Stuart (18 Nov 1591-6 Aug 1638)
  4th: James Stuart (6 Aug 1638-4 Mar 1653)
  5th: Alexander Stuart (4 Mar 1653-1 Nov 1700)
  6th: Charles Stuart (1 Nov 1700-7 Oct 1735)
  7th: Francis Stuart (7 Oct 1735-11 Dec 1739)
  8th: James Stuart (11 Dec 1739-5 Jul 1767)
  9th: Francis Stuart (5 Jul 1767-28 Aug 1810)
10th: Francis Stuart (28 Aug 1810-12 Jan 1848)
11th: Francis Stuart (12 Jan 1848-6 May 1859)
12th: John Stuart (6 May 1859-8 Nov 1867)
13th: Archibald George Stuart (8 Nov 1867-12 Feb 1872)
14th: George Philip Stuart (12 Feb 1872-16 Mar 1895)
15th: Edmund Archibald Stuart (16 Mar 1895-11 Jun 1901)
16th: Francis James Stuart (11 Jun 1901-20 Nov 1909)
17th: Morton Gray Stuart (20 Nov 1909-19 Apr 1930)
18th: Francis Douglas Stuart (19 Apr 1930-9 Jul 1943)
19th: Archibald John Morton Stuart (9 Jul 1943-27 Mar 1974)
20th: Douglas John Moray Stuart (27 Mar 1974-23 Sep 2011)
21st: John Douglas Stuart (23 Sep 2011- )

Lord Abernethy and Jedburgh Forest    [Scotland, 1633]
  1st: William Douglas (14 Jun 1633-19 Feb 1660)
  2nd: James Douglas (19 Feb 1660-25 Feb 1700)
  3rd: Archibald Douglas (25 Feb 1700-21 Jul 1761)
  4th: James George Hamilton (21 Jul 1761-7 Jul 1769)
  5th: Douglas Hamilton (7 Jul 1769-2 Aug 1799)
  6th: Archibald Hamilton (2 Aug 1799-16 Feb 1819)
  7th: Alexander Hamilton (16 Feb 1819-18 Aug 1852)
  8th: William Alexander Anthony Archibald Hamilton (18 Aug 1852-15 Jul 1863)
  9th: William Alexander Louis Stephen Douglas-Hamilton (15 Jul 1863-16 May 1895)
10th: Alfred Douglas Douglas-Hamilton (16 May 1895-16 Mar 1940)
11th: Douglas Douglas-Hamilton (16 Mar 1940-1973)
12th: Angus Alan Douglas Douglas-Hamilton (1973-5 Jun 2010)
13th: Alexander Douglas Douglas-Hamilton (5 Jun 2010- )

Baron Abertay, of Tullybelton, co. Perth    [United Kingdom, 1940]
  1st: Charles Coupar Barrie (18 Jun 1940-6 Dec 1940)

Lord Aberuthven, Mugdock and Fintry    [Scotland, 1707]
  1st: James Graham (24 Apr 1707-7 Jan 1742)
  2nd: William Graham (7 Jan 1742-23 Sep 1790)
  3rd: James Graham (23 Sep 1790-30 Dec 1836)
  4th: James Graham (30 Dec 1836-30 Dec 1874)
  5th: Douglas Beresford Malise Ronald Graham (30 Dec 1874-10 Dec 1925)
  6th: James Graham (Dec 1925-20 Jan 1954)
  7th: James Angus Graham (20 Jan 1954-10 Feb 1992)
  8th: James Graham (1992- )

Baron Abinger, of Abinger, Surrey and of the city of Norwich    [United Kingdom, 1835]
  1st: James Scarlett (12 Jan 1835-7 Apr 1844)
  2nd: Robert Campbell Scarlett (7 Oct 1844-24 Jun 1861)
  3rd: William Frederick Scarlett (24 Jun 1861-16 Jan 1892)
  4th: James Yorke MacGregor Scarlett (16 Jan 1892-11 Dec 1903)
  5th: Shelley Leopold Laurence Scarlett (11 Dec 1903-23 May 1917)
  6th: Robert Brooke Campbell Scarlett (23 May 1917-10 Jun 1927)
  7th: Hugh Richard Scarlett (10 Jun 1927-21 Jul 1943)
  8th: James Richard Scarlett (21 Jul 1943-23 Sep 2002)
  9th: James Harry Scarlett (23 Sep 2002- )

Baron Acheson of Clancairney, co. Armagh    [United Kingdom, 1847]
  1st: Archibald Acheson (18 Sep 1847-15 Jun 1864)
  2nd: Archibald Brabazon Sparrow Acheson (15 Jun 1864-11 Apr 1922)
  3rd: Archibald Charles Montagu Brabazon Acheson (11 Apr 1922-20 Mar 1954)
  4th: Archibald Alexander John Stanley Acheson (20 Mar 1954-17 Feb 1966)
  5th: Charles David Alexander John Sparrow Acheson (17 Feb 1966- )

Baron Acton of Aldenham, co. Shropshire    [United Kingdom, 1869]
  1st: John Emerich Edward Dalberg-Acton (11 Dec 1869-19 Jun 1902)
  2nd: Richard Maximilian Lyon-Dalberg-Acton (19 Jun 1902-16 Jun 1924)
  3rd: John Emerich Henry Lyon-Dalberg-Acton (16 Jun 1924-23 Jan 1989)
  4th: Richard Gerald Lyon-Dalberg-Acton (23 Jan 1989-10 Oct 2010)
  5th: John Charles Ferdinand Harold Lyon-Dalberg-Acton (10 Oct 2010- )

Baron Adams, of Ennerdale, co. Cumberland    [United Kingdom, 1949]
  1st: John Jackson Adams (16 Feb 1949-23 Aug 1960)

Baron Adare, of Adare    [Ireland, 1800]
  1st: Valentine Richard Quin (31 Jul 1800-24 Aug 1824)
  2nd: Windham Henry Wyndham-Quin (2 Aug 1824-6 Aug 1850)
  3rd: Edwin Richard Wyndham-Quin (6 Aug 1850-6 Oct 1871)
  4th: Windham Thomas Wyndham-Quin (6 Oct 1871-14 Jun 1926)
  5th: Windham Henry Wyndham-Quin (14 Jun 1926-23 Oct 1952)
  6th: Richard Southwell Windham Robert Wyndham-Quin (23 Oct 1952-23 Aug 1965)
  7th: Thady Windham Thomas Wyndham-Quin (23 Aug 1965-25 Mar 2011)

Baron Addington, of Addington, Buckinghamshire    [United Kingdom, 1887]
  1st: John Gellibrand Hubbard (22 Jul 1887-28 Aug 1889)
  2nd: Egerton Hubbard (28 Aug 1889-14 Jun 1915)
  3rd: John Gellibrand Hubbard (14 Jun 1915-20 Jun 1966)
  4th: Raymond Egerton Hubbard (20 Jun 1966-17 Aug 1971)
  5th: James Hubbard (17 Aug 1971-26 Jun 1982)
  6th: Dominic Bryce Hubbard (26 Jun 1982- )

Baron Addison, of Stallingborough, co. Lincoln    [United Kingdom, 1937]
  1st: Christopher Addison (22 May 1937-11 Dec 1951)
  2nd: Christopher Addison (11 Dec 1951-18 Nov 1976)
  3rd: Michael Addison (18 Nov 1976-23 Mar 1992)
  4th: William Matthew Wand Addison (23 Mar 1992- )

Baron Adrian, of Cambridge, co. Cambridge    [United Kingdom, 1955]
  1st: Edgar Douglas Adrian (28 Jan 1955-4 Aug 1977)
  2nd: Richard Hume Adrian (4 Aug 1977-4 Apr 1995)

Baron of Aghrim, co. Galway    [Ireland, 1692]
  1st: Godard Reede (4 Mar 1692-11 Feb 1703)
  2nd: Frederik Christiaan Reede (11 Feb 1703-15 Aug 1719)
  3rd: Godard Adriaan Reede (15 Aug 1719-8 Oct 1736)
  4th: Frederik Willem Reede (8 Oct 1736-1 Dec 1747)
  5th: Frederik Christiaan Reinhart Reede (1 Dec 1747-13 Dec 1808)
  6th: Frederik Willem Reede (13 Dec 1808-5 Dec 1810)
  7th: Reynoud Diederik Jacob Reede (5 Dec 1810-31 Oct 1823)
  8th: George Godard Henry Reede (31 Oct 1823-2 Mar 1843)
  9th: Willem Gustaaf Frederik Reede (2 Mar 1843-21 May 1844)

Baron Ailsa, of Ailsa, co. Ayr    [United Kingdom, 1806]
  1st: Archibald Kennedy (12 Nov 1806-8 Sep 1846)
  2nd: Archibald Kennedy (8 Sep 1846-20 Mar 1870)
  3rd: Archibald Kennedy (20 Mar 1870-9 Apr 1938)
  4th: Archibald Kennedy (9 Apr 1938-27 Feb 1943)
  5th: Charles Kennedy (27 Feb 1943-1 Jun 1956)
  6th: Angus Kennedy (1 Jun 1956-31 May 1957)
  7th: Archibald David Kennedy (31 May 1957-7 Apr 1994)
  8th: Archibald Angus Charles Kennedy (7 Apr 1994- )

Baron Ailwyn, of Honingham, co. Norfolk    [United Kingdom, 1921]
  1st: Ailwyn Edward Fellowes (1 Jul 1921-23 Sep 1924)
  2nd: Ronald Townshend Fellowes (23 Sep 1924-30 Aug 1936)
  3rd: Eric William Edward Fellowes (30 Aug 1936-23 Mar 1976)
  4th: Carol Arthur Fellowes (23 Mar 1976-27 Sep 1988)

Baron Airedale, of Gledhow, West Riding of co. York    [United Kingdom, 1907]
  1st: James Kitson (17 Jul 1907-16 Mar 1911)
  2nd: Albert Ernest Kitson (16 Mar 1911-11 Mar 1944)
  3rd: Roland Dudley Kitson (11 Mar 1944-20 Mar 1958)
  4th: Oliver James Vandeleur Kitson (20 Mar 1958-19 Mar 1996)

Baron Airey, of Killingworth, Northumberland    [United Kingdom, 1876]
  1st: Richard Airey (29 Nov 1876-13 Sep 1881)

Baron Alanbrooke, of Brookeborough, co. Fermanagh    [United Kingdom, 1945]
  1st: Alan Francis Brooke (18 Sep 1945-17 Jun 1963)
  2nd: Thomas Brooke (17 Jun 1963-19 Dec 1972)
  3rd: Alan Victor Harold Brooke (19 Dec 1972- )

Baron Alcester, of Alcester, co. Warwick    [England, 1882]
  1st: Frederick Beauchamp Paget Seymour (24 Nov 1882-30 Mar 1895)

Baroness of Aldborough, co. Suffolk    [Great Britain, 1722]
  1st: Petronilla Melusina Schulenburg (7 Apr 1722-16 Sep 1778)

Baron Aldenham, of Aldenham, Hertfordshire    [United Kingdom, 1896]
  1st: Henry Hucks Gibbs (31 Jan 1896-13 Sep 1907)
  2nd: Alban George Henry Gibbs (13 Sep 1907-9 May 1936)
  3rd: Gerald Henry Beresford Gibbs (9 May 1936-21 Mar 1939)
  4th: Walter Durant Gibbs (21 Mar 1939-30 May 1969)
  5th: Anthony Durant Gibbs (30 May 1969-25 Jan 1986)
  6th: Vicary Tyser Gibbs (25 Jan 1986- )

Baron of Alderney    [Great Britain, 1726]
  1st: William Augustus Hanover (27 Jul 1726-31 Oct 1765)

Baron Aldington, of Bispham, co. Borough of Blackpool    [United Kingdom, 1962]
  1st: Toby Austin Richard William Low (29 Jan 1962-7 Dec 2000)
  2nd: Charles Harold Stuart Low (7 Dec 2000- )

Baron Alington of Crichel, Dorset    [United Kingdom, 1876]
  1st: Henry Gerard Sturt (15 Jan 1876-17 Feb 1904)
  2nd: Humphrey Napier Sturt (17 Feb 1904-30 Jul 1919)
  3rd: Napier George Henry Sturt (30 Jul 1919-17 Sep 1940)

Baron Alington of Killard, co. Cork    [Ireland, 1642]
  1st: William Alington (28 Jul 1642-c Oct 1648)
  2nd: Giles Alington (c Oct 1648-c Mar 1660)
  3rd: William Alington (c Mar 1660-1 Feb 1685)
  4th: Giles Alington (1 Feb 1685-18 Sep 1691)
  5th: Hildebrand Alington (18 Sep 1691-11 Feb 1723)

Baron Alington of Wymondley, Hertfordshire    [England, 1682]
  1st: William Alington (5 Dec 1682-1 Feb 1685)
  2nd: Giles Alington (1 Feb 1685-18 Sep 1691)

Baron Allen of Hurtwood, co. Surrey    [United Kingdom, 1932]
  1st: Reginald Clifford Allen (18 Jan 1932-3 Mar 1939)

Baron Allen of Stillorgan, co. Dublin    [Ireland, 1717]
  1st: John Allen (28 Aug 1717-8 Nov 1726)
  2nd: Joshua Allen (8 Nov 1726-5 Dec 1742)
  3rd: John Allen (5 Dec 1742-25 May 1745)
  4th: John Allen (25 May 1745-10 Nov 1753)
  5th: Joshua Allen (10 Nov 1753-1 Feb 1816)
  6th: Joshua William Allen (1 Feb 1816-21 Sep 1845)

Baron Allendale, of Allendale and Hexham, co. Northumberland    [United Kingdom, 1906]
  1st: Wentworth Blackett Beaumont (20 Jul 1906-13 Feb 1907)
  2nd: Wentworth Canning Blackett Beaumont (13 Feb 1907-12 Dec 1923)
  3rd: Wentworth Henry Canning Beaumont (12 Dec 1923-16 Dec 1956)
  4th: Wentworth Hubert Charles Beaumont (16 Dec 1956-27 Dec 2002)
  5th: Wentworth Peter Ismay Beaumont (27 Dec 2002- )

Baron Allerton, of Chapel-Allerton, co. York    [United Kingdom, 1902]
  1st: William Lawies Jackson (17 Jul 1902-4 Apr 1917)
  2nd: George Herbert Jackson (4 Apr 1917-29 Jan 1925)
  3rd: George William Jackson (29 Jan 1925-1 Jul 1991)

Baron Alness, of Alness in co. of Ross and Cromarty    [United Kingdom, 1934]
  1st: Robert Munro (27 Jun 1934-6 Oct 1955)

Baron Altham, of Altham, co. Cork    [Ireland, 1681]
  1st: Altham Annesley (14 Feb 1681-26 Apr 1699)
  2nd: James George Annesley (26 Apr 1699-c 1700)
  3rd: Richard Annesley (c 1700-19 Nov 1701)
  4th: Arthur Annesley (19 Nov 1701-16 Nov 1727)
  5th: Richard Annesley (16 Nov 1727-14 Feb 1761)
  6th: Arthur Annesley (14 Feb 1761-4 Jul 1816)
  7th: George Annesley (4 Jul 1816-23 Jul 1844)

Lord Altrie    [Scotland, 1587]
  1st: Robert Keith (29 Jul 1587-bt 1596-1596)
  2nd: George Keith (1592-2 Apr 1623)

Baron Altrincham, of Tormarton, co. Gloucester    [United Kingdom, 1945]
  1st: Edward William MacLeay Grigg (1 Aug 1945-1 Dec 1955)
  2nd: John Edward Poynder Grigg (1 Dec 1955-31 Dec 2001)
  3rd: Anthony Ulrick David Dundas Grigg (31 Dec 2001- )

Baron Alvanley, of Alvanley, co. Chester    [United Kingdom, 1801]
  1st: Richard Pepper Arden (22 May 1801-19 Mar 1804)
  2nd: William Arden (26 Mar 1804-16 Nov 1849)
  3rd: Richard Pepper Arden (16 Nov 1849-24 Jun 1857)

Baron Alverstone, of Alverstone, co. Southampton    [United Kingdom, 1900]
  1st: Richard Everard Webster (18 Jun 1900-15 Dec 1915)

Baron Alvingham, of Woodfold, co. Palatine of Lancaster    [United Kingdom, 1929]
  1st: Robert Daniel Thwaites Yerburgh (10 Jul 1929-27 Nov 1955)
  2nd: Robert Guy Eardley Yerburgh (27 Nov 1955- )

Baron Amesbury, of Kintbury-Amesbury and Barton Court, Berkshire and Aston Hall, co. Flint    [United Kingdom, 1832]
  1st: Charles Dundas (16 May 1832-30 Jun 1832)

Baron Amherst of Hackney, co. London    [United Kingdom, 1892]
  1st: William Amhurst Tyssen-Amherst (26 Aug 1892-16 Jan 1909)
  2nd: Mary Rothes Margaret Tyssen-Amherst (16 Jan 1909-21 Dec 1919)
  3rd: William Alexander Evering Cecil (21 Dec 1919-22 Jul 1980)
  4th: William Hugh Amherst Cecil (22 Jul 1980-2 Apr 2009)
  5th: Hugh William Amherst Cecil (2 Apr 2009- )

Baron Amherst of Holmesdale, Kent    [Great Britain, 1776]
  1st: Jeffrey Amherst (20 May 1776-3 Aug 1797)

Baron Amherst of Montreal, Kent    [Great Britain, 1788]
  1st: Jeffrey Amherst (6 Sep 1788-3 Aug 1797)
  2nd: William Pitt Amherst (3 Aug 1797-13 Mar 1857)
  3rd: William Pitt Amherst (13 Mar 1857-26 Mar 1886)
  4th: William Archer Amherst (17 Apr 1880-14 Aug 1910)
  5th: Hugh Amherst (14 Aug 1910-7 Mar 1927)
  6th: Jeffery John Archer Amherst (7 Mar 1927-4 Mar 1993)

Baron Ammon, of Camberwell, co. Surrey    [United Kingdom, 1944]
  1st: Charles George Ammon (31 Jan 1944-2 Apr 1960)

Baron Ampthill, of Ampthill, co. Bedford    [United Kingdom, 1881]
  1st: Odo William Leopold Russell (11 Mar 1881-25 Aug 1884)
  2nd: Arthur Oliver Villiers Russell (25 Aug 1884-7 Jul 1935)
  3rd: John Hugo Russell (7 Jul 1935-3 Jun 1973)
  4th: Geoffrey Denis Erskine Russell (3 Jun 1973-23 Apr 2011)
  5th: David Whitney Erskine Russell (23 Apr 2011- )

Baron Amulree, of Strathbraan, co. Perth    [United Kingdom, 1929]
  1st: William Warrender Mackenzie (22 Jul 1929-5 May 1942)
  2nd: Basil William Sholto Mackenzie (5 May 1942-15 Dec 1983)

Baron Amwell, of Islington, co. London    [United Kingdom, 1947]
  1st: Frederick Montague (16 Jul 1947-15 Oct 1966)
  2nd: Frederick Norman Montague (15 Oct 1966-1990)
  3rd: Keith Norman Montague (1990- )

Baron Annaly of Annaly and Rathcline, co. Longford    [United Kingdom, 1863]
  1st: Henry White (19 Aug 1863-3 Sep 1873)
  2nd: Luke White (3 Sep 1873-16 Mar 1888)
  3rd: Luke White (16 Mar 1888-15 Dec 1922)
  4th: Luke Henry White (15 Dec 1922-4 May 1970)
  5th: Luke Robert White (4 May 1970-30 Sep 1990)
  6th: Luke Richard White (30 Sep 1990- )

Baron Annaly of Tenelick, co. Longford    [Ireland, 1766]
  1st: John Gore (17 Jan 1766-3 Apr 1784)

Baron Annaly of Tenelick, co. Longford    [Ireland, 1789]
  1st: Henry Gore (23 Sep 1789-5 Jun 1793)

Baron Annesley, of Bletchington, co. Oxford    [United Kingdom, 1917]
  1st: Arthur Annesley (7 May 1917-20 Jan 1927)
  2nd: Caryl Arthur Annesley (20 Jan 1927-6 Oct 1949)

Baron Annesley, of Castle Wellan, co. Down    [Ireland, 1758]
  1st: William Annesley (20 Sep 1758-12 Sep 1770)
  2nd: Francis Charles Annesley (12 Sep 1770-19 Dec 1802)
  3rd: Richard Annesley (19 Dec 1802-9 Nov 1824)
  4th: William Richard Annesley (9 Nov 1824-25 Aug 1838)
  5th: William Richard Annesley (25 Aug 1838-10 Aug 1874)
  6th: Hugh Annesley (10 Aug 1874-15 Dec 1908)
  7th: Francis Annesley (15 Dec 1908-6 Nov 1914)
  8th: Walter Beresford Annesley (6 Nov 1914-7 Jul 1934)
  9th: Beresford Cecil Bingham Annesley (7 Jul 1934-29 Jun 1957)
10th: Robert Annesley (29 Jun 1957-21 Feb 1979)
11th: Patrick Annesley (21 Feb 1979-2 Feb 2001)
12th: Philip Harrison Annesley (2 Feb 2001-11 Mar 2011)
13th: Michael Robert Annesley (11 Mar 2011- )

Baron Annesley, of Newport Pagnel, Buckinghamshire    [England, 1661]
  1st: Arthur Annesley (20 Apr 1661-6 Apr 1686)
  2nd: James Annesley (6 Apr 1686-1 Apr 1690)
  3rd: James Annesley (1 Apr 1690-21 Jan 1702)
  4th: John Annesley (21 Jan 1702-18 Sep 1710)
  5th: Arthur Annesley (18 Sep 1710-1 Apr 1737)
  6th: Richard Annesley (1 Apr 1737-14 Feb 1761)

Baron Anslow, of Iver, co. Buckingham    [United Kingdom, 1916]
  1st: Tonman Mosley (28 Jun 1916-20 Aug 1933)

Lord Anson, Baron of Soberton, co. Southampton    [Great Britain, 1747]
  1st: George Anson (13 Jun 1747-2 Jun 1762)

Baron Appin    [Scotland, 1743]
  1st: Dugald Stewart (6 Jun 1743-1769)

Lord Apsley, Baron of Apsley, Sussex    [Great Britain, 1771]
  1st: Henry Bathurst (24 Jan 1771-6 Aug 1794)
  2nd: Henry Bathurst (6 Aug 1794-27 Jul 1834)
  3rd: Henry George Bathurst (27 Jul 1834-25 May 1866)
  4th: William Lennox Bathurst (25 May 1866-24 Feb 1878)
  5th: Allen Alexander Bathurst (24 Feb 1878-1 Aug 1892)
  6th: Seymour Henry Bathurst (1 Aug 1892-21 Sep 1943)
  7th: Henry Allen John Bathurst (21 Sep 1943-16 Oct 2011)
  8th: Allen Christopher Bertram Bathurst (16 Oct 2011- )

Lord Archer, Baron of Umberslade, co. Warwick    [Great Britain, 1747]
  1st: Thomas Archer (14 Jul 1747-19 Oct 1768)
  2nd: Andrew Archer (19 Oct 1768-18 Apr 1778)

Baron Archibald, of Woodside, in the City of Glasgow    [United Kingdom, 1949]
  1st: George Archibald (12 Jul 1949-25 Feb 1975)
  2nd: George Christopher Archibald (25 Feb 1975- )

Baron Ardelve, co. Wicklow    [Ireland, 1766]
  1st: Kenneth Mackenzie (18 Nov 1766-Aug 1781)

Baron Arden, of Arden, co. Warwick    [United Kingdom, 1802]
  1st: Charles George Perceval (28 Jul 1802-5 Jul 1840)
  2nd: George James Perceval (5 Jul 1840-2 Aug 1874)
  3rd: Charles George Perceval (2 Aug 1874-5 Sep 1897)
  4th: Augustus Arthur Perceval (5 Sep 1897-11 Aug 1910)
  5th: Charles John Perceval (11 Aug 1910-10 Jan 1929)

Baroness Arden, of Lohort Castle, co. Cork    [Ireland, 1770]
  1st: Catherine Compton (23 May 1770-11 Jun 1784)
  2nd: Charles George Perceval (11 Jun 1784-5 Jul 1840)
  3rd: George James Perceval (5 Jul 1840-2 Aug 1874)
  4th: Charles George Perceval (2 Aug 1874-5 Sep 1897)
  5th: Augustus Arthur Perceval (5 Sep 1897-11 Aug 1910)
  6th: Charles John Perceval (11 Aug 1910-10 Jan 1929)
  7th: Frederick Joseph Trevelyan Perceval (10 Jan 1929-16 May 1932)
  8th: Frederick George Moore Perceval (16 May 1932-10 Dec 2001)
  9th: Thomas Frederick Gerald Perceval (10 Dec 2001-6 Nov 2011)

Baron Ardenerie    [Ireland, 1580]
  1st: John Bourke (May 1580-24 Nov 1580)
  2nd: William Bourke (24 Nov 1580-1591)

Baron Ardilaun of Ashford, co. Galway    [United Kingdom, 1880]
  1st: Arthur Edward Guinness (1 May 1880-20 Jan 1915)

Lord Ardmannoch    [Scotland, 1565]
  1st: Henry Stuart (15 May 1565-10 Feb 1567)
  2nd: James I Charles Stuart (10 Feb 1567-27 Mar 1625)

Lord Ardmannoch    [Scotland, 1600]
  1st: Charles I Stuart (23 Dec 1600-30 Jan 1649)

Baron Ardrossan, of Ardrossan, co. Ayr    [United Kingdom, 1806]
  1st: Hugh Montgomerie (15 Feb 1806-14 Dec 1819)
  2nd: Archibald Montgomerie (14 Dec 1819-4 Oct 1861)
  3rd: Archibald William Montgomerie (4 Oct 1861-30 Aug 1892)
  4th: George Arnulph Montgomerie (30 Aug 1892-10 Aug 1919)
  5th: Archibald Seton Montgomerie (10 Aug 1919-22 Apr 1945)
  6th: Archibald William Alexander Montgomerie (22 Apr 1945-1966)
  7th: Archibald George Montgomerie (1966- )

Baron Arklow    [United Kingdom, 1801]
  1st: Augustus Frederick Hanover (27 Nov 1801-22 Apr 1843)

Baron Arklow    [United Kingdom, 1881]
  1st: Leopold George Duncan Albert Saxe-Coburg and Gotha (24 May 1881-28 Mar 1884)
  2nd: Charles Edward George Albert Leopold Saxe-Coburg and Gotha (19 Jul 1884-6 Mar 1954)

Baron Arlington, of Arlington, Middlesex    [England, 1665]
  1st: Henry Bennet (14 Mar 1665-28 Jul 1685)
  2nd: Isabella Bennet (28 Jul 1685-7 Feb 1723)
  3rd: Charles Fitzroy (7 Feb 1723-6 May 1757)
  4th: Augustus Henry Fitzroy (6 May 1757-14 Mar 1811)
  5th: George Henry FitzRoy (14 Mar 1811-28 Sep 1844)
  6th: Henry FitzRoy (28 Sep 1844-26 Mar 1863)
  7th: William Henry Fitzroy (26 Mar 1863-21 May 1882)
  8th: Augustus Charles Lennox FitzRoy (21 May 1882-4 Dec 1918)
  9th: Alfred William Maitland FitzRoy (4 Dec 1918-10 Jan 1930)
10th: John Charles William FitzRoy (10 Jan 1930-1 Aug 1936)
11th: Jennifer Jane Nelson (May 1999- )

Baron Arlington, of Arlington, Middlesex    [England, 1672]
  1st: Henry Bennet (22 Apr 1672-28 Jul 1685)
  2nd: Isabella Bennet (28 Jul 1685-7 Feb 1723)
  3rd: Charles Fitzroy (7 Feb 1723-6 May 1757)
  4th: Augustus Henry Fitzroy (6 May 1757-14 Mar 1811)
  5th: George Henry FitzRoy (14 Mar 1811-28 Sep 1844)
  6th: Henry FitzRoy (28 Sep 1844-26 Mar 1863)
  7th: William Henry Fitzroy (26 Mar 1863-21 May 1882)
  8th: Augustus Charles Lennox FitzRoy (21 May 1882-4 Dec 1918)
  9th: Alfred William Maitland FitzRoy (4 Dec 1918-10 Jan 1930)
10th: John Charles William FitzRoy (10 Jan 1930-1 Aug 1936)

Baron Armaghdale, of Armagh, co. Armagh    [United Kingdom, 1918]
  1st: John Brownlee Lonsdale (17 Jan 1918-8 Jun 1924)

Baron Armitstead, of Castlehill, in the city of Dundee    [United Kingdom, 1906]
  1st: George Armitstead (19 Jul 1906-7 Dec 1915)

Baron Armstrong, of Bamburgh and Cragside, co. Northumberland    [United Kingdom, 1903]
  1st: William Henry Armstrong Fitzpatrick Watson-Armstrong (4 Aug 1903-16 Oct 1941)
  2nd: William John Montagu Watson-Armstrong (16 Oct 1941-6 Jul 1972)
  3rd: William Henry Cecil John Robin Watson-Armstrong (6 Jul 1972-1 Oct 1987)

Baron Armstrong of Cragside, co. Northumberland    [United Kingdom, 1887]
  1st: William George Armstrong (6 Jul 1887-27 Dec 1900)

Baron Arnold, of Hale, co. Chester    [United Kingdom, 1924]
  1st: Sydney Arnold (12 Feb 1924-3 Aug 1945)

Baron Arundell of Trerice, Cornwall    [England, 1665]
  1st: Richard Arundell (23 Mar 1665-c Oct 1687)
  2nd: John Arundell (c Oct 1687-b 21 Jun 1698)
  3rd: John Arundell (c Jun 1698-24 Sep 1706)
  4th: John Arundell (24 Sep 1706-c Aug 1768)

Baron Arundell of Wardour, co. Wiltshire    [England, 1605]
  1st: Thomas Arundell (4 May 1605-7 Nov 1639)
  2nd: Thomas Arundell (7 Nov 1639-19 May 1643)
  3rd: Henry Arundell (19 May 1643-28 Dec 1694)
  4th: Thomas Arundell (28 Dec 1694-10 Feb 1712)
  5th: Henry Arundell (10 Feb 1712-20 Apr 1726)
  6th: Henry Arundell (20 Apr 1726-30 Jun 1746)
  7th: Henry Arundell (30 Jun 1746-12 Sep 1756)
  8th: Henry Arundell (12 Sep 1756-4 Dec 1808)
  9th: James Everard Arundell (4 Dec 1808-14 Jul 1817)
10th: James Everard Arundell (14 Jul 1817-21 Jun 1834)
11th: Henry Benedict Arundell (21 Jun 1834-19 Oct 1862)
12th: John Francis Arundell (19 Oct 1862-26 Oct 1906)
13th: Everard Aloysius Gonzaga Arundell (26 Oct 1906-11 Jul 1907)
14th: Edgar Clifford Arundell (11 Jul 1907-8 Dec 1921)
15th: Gerald Arthur Arundell (8 Dec 1921-30 Mar 1939)
16th: John Francis Arundell (30 Mar 1939-25 Sep 1944)

Baron Ashbourne, of Ashbourne, co. Meath    [Ireland, 1885]
  1st: Edward Gibson (4 Jul 1885-22 May 1913)
  2nd: William Gibson (22 May 1913-21 Jan 1942)
  3rd: Edward Russell Gibson (21 Jan 1942-3 Sep 1983)
  4th: Edward Barry Greynville Gibson (3 Sep 1983- )

Baron Ashburnham, of Ashburnham, Sussex    [England, 1689]
  1st: John Ashburnham (20 May 1689-21 Jan 1710)
  2nd: William Ashburnham (21 Jan 1710-16 Jun 1710)
  3rd: John Ashburnham (16 Jun 1710-10 Mar 1737)
  4th: John Ashburnham (10 Mar 1737-8 Apr 1812)
  5th: George Ashburnham (23 Mar 1803-27 Oct 1830)
  6th: Bertram Ashburnham (27 Oct 1830-22 Jun 1878)
  7th: Bertram Ashburnham (22 Jun 1878-15 Jan 1913)
  8th: Thomas Ashburnham (15 Jan 1913-12 May 1924)

Baron Ashburton, of Ashburton, Devon    [Great Britain, 1782]
  1st: John Dunning (8 Apr 1782-18 Aug 1783)
  2nd: Richard Barré Dunning (18 Aug 1783-15 Feb 1823)

Baron Ashburton, of Ashburton, Devon    [United Kingdom, 1835]
  1st: Alexander Baring (10 Apr 1835-12 May 1848)
  2nd: William Bingham Baring (12 May 1848-23 Mar 1864)
  3rd: Francis Baring (23 Mar 1864-6 Sep 1868)
  4th: Alexander Hugh Baring (6 Sep 1868-18 Jul 1889)
  5th: Francis Denzil Edward Baring (18 Jul 1889-27 Mar 1938)
  6th: Alexander Francis St. Vincent Baring (27 Mar 1938-12 Jun 1991)
  7th: John Francis Harcourt Baring (12 Jun 1991- )

Baron Ashby St. Ledgers, of Ashby St. Ledgers, co. Northampton    [United Kingdom, 1910]
  1st: Ivor Churchill Guest (15 Mar 1910-14 Jun 1939)
  2nd: Ivor Grosvenor Guest (14 Jun 1939-7 Jan 1967)
  3rd: Ivor Fox-Strangways Guest (7 Jan 1967-1993)
  4th: Ivor Mervyn Vigors Guest (1993- )

Baron Ashcombe, of Dorking, Surrey and of Bodiam Castle, Sussex    [United Kingdom, 1892]
  1st: George Cubitt (22 Aug 1892-26 Feb 1917)
  2nd: Henry Cubitt (26 Feb 1917-27 Oct 1947)
  3rd: Roland Calvert Cubitt (27 Oct 1947-28 Oct 1962)
  4th: Henry Edward Cubitt (28 Oct 1962-4 Dec 2013)
  5th: Mark Edward Cubitt (4 Dec 2013- )

Baron Ashfield, of Southwell, co. Nottingham    [United Kingdom, 1920]
  1st: Albert Henry Stanley (9 Jan 1920-4 Nov 1948)

Baron Ashford, of Ashford, Kent    [England, 1697]
  1st: Arnold Joost Keppel (10 Feb 1697-30 May 1718)
  2nd: William Anne Keppel (19 May 1718-22 Dec 1754)
  3rd: George Keppel (22 Dec 1754-13 Oct 1772)
  4th: William Charles Keppel (13 Oct 1772-30 Oct 1849)
  5th: Augustus Frederick Keppel (30 Oct 1849-15 Mar 1851)
  6th: George Thomas Keppel (15 Mar 1851-21 Feb 1891)
  7th: William Coutts Keppel (6 Sep 1876-28 Aug 1894)
  8th: Arnold Allen Cecil Keppel (28 Aug 1894-12 Apr 1942)
  9th: Walter Egerton George Lucian Keppel (12 Apr 1942-14 Jul 1979)
10th: Rufus Arnold Alexis Keppel (14 Jul 1979- )

Baron Ashton, of Ashton, co. Lancaster    [United Kingdom, 1895]
  1st: James Williamson (25 Jul 1895-27 May 1930)

Baron Ashton of Hyde, co. Chester    [United Kingdom, 1911]
  1st: Thomas Gair Ashton (28 Jun 1911-1 May 1933)
  2nd: Thomas Henry Raymond Ashton (1 May 1933-21 Mar 1983)
  3rd: Thomas John Ashton (21 Mar 1983-2 Aug 2008)
  4th: Thomas Henry Ashton (2 Aug 2008- )

Baron Ashtown, of Moate, co. Galway    [Ireland, 1800]
  1st: Frederick Trench (27 Dec 1800-1 May 1840)
  2nd: Frederick Mason Trench (1 May 1840-12 Sep 1880)
  3rd: Frederic Oliver Trench (12 Sep 1880-20 Mar 1946)
  4th: Robert Power Trench (20 Mar 1946-3 Nov 1966)
  5th: Dudley Oliver Trench (3 Nov 1966-19 Aug 1979)
  6th: Christopher Oliver Trench (19 Aug 1979-27 Apr 1990)
  7th: Nigel Clive Cosby Trench (27 Apr 1990-6 Mar 2010)
  8th: Roderick Nigel Godolphin Trench (6 Mar 2010- )

Baron Askwith, of St. Ives, co. Huntingdon    [United Kingdom, 1919]
  1st: George Rankin Askwith (24 Mar 1919-2 Jun 1942)

Baron Astley of Reading, Berkshire    [England, 1644]
  1st: Jacob Astley (4 Nov 1644-Feb 1652)
  2nd: Isaac Astley (Feb 1652-1662)
  3rd: Jacob Astley (1662-1688)

Lord Aston of Forfar    [Scotland, 1627]
  1st: Walter Aston (28 Nov 1627-13 Aug 1639)
  2nd: Walter Aston (13 Aug 1639-23 Apr 1678)
  3rd: Walter Aston (23 Apr 1678-24 Nov 1714)
  4th: Walter Aston (24 Nov 1714-4 Apr 1748)
  5th: James Aston (4 Apr 1748-24 Aug 1751)
  6th: William Aston (24 Aug 1751-bt 1769-1769)
  7th: Walter Aston (Feb 1769-29 Jul 1805)
  8th: Walter Hutchinson Aston (29 Jul 1805-21 Jan 1845)

Baron Astor, of Hever Castle, co. Kent    [United Kingdom, 1916]
  1st: William Waldorf Astor (26 Jan 1916-18 Oct 1919)
  2nd: Waldorf Astor (18 Oct 1919-30 Sep 1952)
  3rd: William Waldorf Astor (30 Sep 1952-7 Mar 1966)
  4th: William Waldorf Astor (7 Mar 1966- )

Baron Astor of Hever, of Hever Castle, co. Kent    [United Kingdom, 1956]
  1st: John Jacob Astor (21 Jan 1956-19 Jul 1971)
  2nd: Gavin Astor (19 Jul 1971-1984)
  3rd: John Jacob Astor (28 Jun 1984- )

Lord Athenry    [Ireland, 1280]
  1st: Piers Bermingham (c 1280-2 Apr 1307)
  2nd: Richard Bermingham (2 Apr 1307-b 1322)
  3rd: Thomas Bermingham (b 1322-1373)
  4th: Walter Bermingham (1373-1428)
  5th: Thomas FitzWalter Bermingham (1428-c 1473)
  6th: Thomas Bermingham (c 1473-c 1489)
  7th: Meiler Bermingham (c 1489-1529)
  8th: John Bermingham (1529-bt 1547-1550)
  9th: Richard Bermingham (bt 1547-1550-1580)
10th: Edmond Bermingham (1580-1614)
11th: Richard Bermingham (1614-1645)
12th: Francis Bermingham (1645-12 Apr 1677)
13th: Edward Bermingham (12 Apr 1677-3 May 1709)
14th: Francis Bermingham (3 May 1709-4 Mar 1750)
15th: Thomas Bermingham (4 Mar 1750-11 Jan 1799)

Baron Athlumney, of Somerville and Dollarstown, co. Meath    [Ireland, 1863]
  1st: William Meredyth Somerville (14 Dec 1863-7 Dec 1873)
  2nd: James Herbert Gustavus Meredyth Somerville (7 Dec 1873-8 Jan 1929)

Baron Atholstan, of Huntingdon in the province of Quebec in the Dominion of Canada, and of the City of Edinburgh    [United Kingdom, 1917]
  1st: Hugh Graham (5 May 1917-28 Jan 1938)

Lord Auchterhouse    [Scotland, 1469]
  1st: James Stewart (1469-1499)
  2nd: Alexander Stewart (c 1498-1505)
  3rd: John Stewart (1505-a 14 Jul 1551)
  4th: Christian Stewart (a 14 Jul 1551-20 Sep 1580)
  5th: James Douglas (20 Sep 1580-26 Aug 1601)
  6th: Mary Douglas (26 Aug 1601-b 20 Aug 1628)
  7th: James Erskine (Jan 1640-Oct 1664)
  8th: William Erskine (Oct 1664-1695)
  9th: David Erskine (1695-14 Oct 1745)
10th: Henry David Erskine (14 Oct 1745-1 Dec 1767)
11th: David Steuart Erskine (1 Dec 1767-19 Apr 1829)
12th: Henry David Erskine (19 Apr 1829-13 Sep 1857)
13th: David Stuart Erskine (13 Sep 1857-3 Dec 1898)
14th: Shipley Gordon Stuart Erskine (3 Dec 1898-16 Apr 1934)
15th: Ronald Douglas Stuart Mar Erskine (16 Apr 1934-18 Dec 1960)
16th: Donald Cardross Flower Erskine (18 Dec 1960-26 Jul 1984)
17th: Malcolm Harry Erskine (1984- )

Baron Auckland    [Ireland, 1789]
  1st: William Eden (18 Nov 1789-28 May 1814)
  2nd: George Eden (28 May 1814-1 Jan 1849)
  3rd: Robert John Eden (1 Jan 1849-25 Apr 1870)
  4th: William George Eden (25 Apr 1870-17 Feb 1890)
  5th: William Morton Eden (17 Feb 1890-31 Jul 1917)
  6th: Frederick Colvin George Eden (31 Jul 1917-16 Apr 1941)
  7th: Geoffrey Morton Eden (16 Apr 1941-21 Jun 1955)
  8th: Terence Eden (21 Jun 1955-14 Sep 1957)
  9th: Ian George Eden (14 Sep 1957-28 Jul 1997)
10th: Robert Ian Burnard Eden (28 Jul 1997- )

Baron Auckland, of West Auckland, co. Durham    [Great Britain, 1793]
  1st: William Eden (22 May 1793-28 May 1814)
  2nd: George Eden (28 May 1814-1 Jan 1849)
  3rd: Robert John Eden (1 Jan 1849-25 Apr 1870)
  4th: William George Eden (25 Apr 1870-17 Feb 1890)
  5th: William Morton Eden (17 Feb 1890-31 Jul 1917)
  6th: Frederick Colvin George Eden (31 Jul 1917-16 Apr 1941)
  7th: Geoffrey Morton Eden (16 Apr 1941-21 Jun 1955)
  8th: Terence Eden (21 Jun 1955-14 Sep 1957)
  9th: Ian George Eden (14 Sep 1957-28 Jul 1997)
10th: Robert Ian Burnard Eden (28 Jul 1997- )

Baron Audley of Hely    [England, 1633]
  1st: James Tuchet (3 Jun 1633-11 Oct 1684)
  2nd: Mervyn Tuchet (11 Oct 1684-2 Nov 1686)
  3rd: James Tuchet (2 Nov 1686-9 Aug 1700)
  4th: James Tuchet (9 Aug 1700-12 Oct 1740)
  5th: James Tuchet (12 Oct 1740-6 May 1769)
  6th: John Talbot Tuchet (6 May 1769-22 Apr 1777)

Baron Audley of Orier, co. Armagh    [Ireland, 1616]
  1st: George Tuchet (6 Sep 1616-20 Feb 1617)
  2nd: Mervyn Tuchet (20 Feb 1617-14 May 1631)
  3rd: James Tuchet (14 May 1631-11 Oct 1684)
  4th: Mervyn Tuchet (11 Oct 1684-2 Nov 1686)
  5th: James Tuchet (2 Nov 1686-9 Aug 1700)
  6th: James Tuchet (9 Aug 1700-12 Oct 1740)
  7th: James Tuchet (12 Oct 1740-6 May 1769)
  8th: John Talbot Tuchet (6 May 1769-22 Apr 1777)

Baron Audley of Walden, co. Essex    [England, 1538]
  1st: Thomas Audley (29 Nov 1538-30 Apr 1544)

Baron Austin, of Longbridge, in the City of Birmingham    [United Kingdom, 1936]
  1st: Herbert Austin (16 Jul 1936-23 May 1941)

Lord of Avandale    [Scotland, 1439]
  1st: Andrew Stewart (1439-Jul 1488)

Lord Avandale    [Scotland, 1500]
  1st: Andrew Stewart (4 Feb 1500-9 Sep 1513)
  2nd: Andrew Stewart (9 Sep 1513-1548)

Lord of Avane and Hamilton    [Scotland, 1581]
  1st: James Stewart (28 Oct 1581-5 Dec 1595)

Baron Avebury, of Avebury, Wiltshire    [United Kingdom, 1900]
  1st: John Lubbock (22 Jan 1900-28 May 1913)
  2nd: John Birkbeck Lubbock (28 May 1913-26 Mar 1929)
  3rd: John Lubbock (26 Mar 1929-21 Jun 1971)
  4th: Eric Reginald Lubbock (21 Jun 1971- )

Baron Aveland, of Aveland, co. Lincoln    [United Kingdom, 1856]
  1st: Gilbert John Heathcote (26 Feb 1856-6 Sep 1867)
  2nd: Gilbert Henry Heathcote-Drummond-Willoughby (6 Sep 1867-24 Dec 1910)
  3rd: Gilbert Heathcote-Drummond-Willoughby (24 Dec 1910-19 Sep 1951)
  4th: Gilbert James Heathcote-Drummond-Willoughby (19 Sep 1951-29 Mar 1983)

Lord Aven    [Scotland, 1599]
  1st: John Hamilton (17 Apr 1599-6 Apr 1604)

Lord Aven and Innerdale    [Scotland, 1643]
  1st: James Hamilton (12 Apr 1643-9 Mar 1649)
  2nd: William Hamilton (9 Mar 1649-12 Sep 1651)
  3rd: Anne Hamilton (12 Sep 1651-17 Oct 1716)
  4th: James Hamilton (9 Jul 1698-15 Nov 1712)
  5th: James Hamilton (15 Nov 1712-2 Mar 1743)
  6th: James Hamilton (2 Mar 1743-17 Jan 1758)
  7th: James George Hamilton (17 Jan 1758-7 Jul 1769)
  8th: Douglas Hamilton (7 Jul 1769-2 Aug 1799)
  9th: Archibald Hamilton (2 Aug 1799-16 Feb 1819)
10th: Alexander Hamilton (16 Feb 1819-18 Aug 1852)
11th: William Alexander Anthony Archibald Hamilton (18 Aug 1852-15 Jul 1863)
12th: William Alexander Louis Stephen Douglas-Hamilton (15 Jul 1863-16 May 1895)
13th: Alfred Douglas Douglas-Hamilton (16 May 1895-16 Mar 1940)
14th: Douglas Douglas-Hamilton (16 Mar 1940-1973)
15th: Angus Alan Douglas Douglas-Hamilton (1973-5 Jun 2010)
16th: Alexander Douglas Douglas-Hamilton (5 Jun 2010- )

Baron Avonmore, co. Cork    [Ireland, 1795]
  1st: Barry Yelverton (15 Jun 1795-19 Aug 1805)
  2nd: William Charles Yelverton (19 Aug 1805-28 Nov 1814)
  3rd: Barry John Yelverton (28 Nov 1814-24 Oct 1870)
  4th: William Charles Yelverton (24 Oct 1870-1 Apr 1883)
  5th: Barry Nugent Yelverton (1 Apr 1883-13 Feb 1885)
  6th: Algernon William Yelverton (13 Feb 1885-3 Sep 1910)

Lord Aylmer, Baron of Balrath, co. Meath    [Ireland, 1718]
  1st: Matthew Aylmer (1 May 1718-18 Aug 1720)
  2nd: Henry Aylmer (18 Aug 1720-26 Jun 1754)
  3rd: Henry Aylmer (26 Jun 1754-7 Oct 1766)
  4th: Henry Aylmer (7 Oct 1766-22 Oct 1785)
  5th: Matthew Whitworth-Aylmer (22 Oct 1785-23 Feb 1850)
  6th: Frederick Whitworth William Aylmer (23 Feb 1850-5 Mar 1858)
  7th: Udolphus Aylmer (5 Mar 1858-30 Nov 1901)
  8th: Matthew Aylmer (30 Nov 1901-11 Jun 1923)
  9th: John Frederick Whitworth Aylmer (11 Jun 1923-4 Nov 1970)
10th: Kenneth Athalmar Aylmer (4 Nov 1970-1 May 1974)
11th: Basil Udolphus Aylmer (1 May 1974-13 Mar 1977)
12th: Hugh Yates Aylmer (13 Mar 1977-6 Dec 1982)
13th: Michael Anthony Aylmer (6 Dec 1982-2 Aug 2006)
14th: Anthony Julian Aylmer (2 Aug 2006- )

Baron Badeley, of Badley, co. Suffok    [United Kingdom, 1949]
  1st: Henry John Fanshawe Badeley (21 Jun 1949-27 Sep 1951)

Baron Baden-Powell, of Gilwell, co. Essex    [United Kingdom, 1929]
  1st: Robert Stephenson Smyth Baden-Powell (17 Sep 1929-8 Jan 1941)
  2nd: Arthur Robert Peter Baden-Powell (8 Jan 1941-9 Dec 1962)
  3rd: Robert Crause Baden-Powell (9 Dec 1962- )

Lord Badenoch, Lochaber, Strathavon, Balmore, Auchidon, Garthie and Kincardine    [Scotland, 1684]
  1st: George Gordon (1 Nov 1684-7 Dec 1716)
  2nd: Alexander Gordon (7 Dec 1716-28 Nov 1728)
  3rd: Cosmo George Gordon (28 Nov 1728-5 Aug 1752)
  4th: Alexander Gordon (5 Aug 1752-17 Jun 1827)
  5th: George Gordon (17 Jun 1827-28 May 1836)

Baron Bagot of Bagot's Bromley, co. Stafford    [Great Britain, 1780]
  1st: William Bagot (17 Oct 1780-22 Oct 1798)
  2nd: William Bagot (22 Oct 1798-12 Feb 1856)
  3rd: William Bagot (12 Feb 1856-19 Jan 1887)
  4th: William Bagot (19 Jan 1887-23 Dec 1932)
  5th: Gerald William Bagot (23 Dec 1932-5 Apr 1946)
  6th: Caryl Ernest Bagot (5 Apr 1946-5 Aug 1961)
  7th: Henry Eric Bagot (5 Aug 1961-20 Jun 1973)
  8th: Reginald Walter Bagot (20 Jun 1973-2 Oct 1979)
  9th: Heneage Charles Bagot (2 Oct 1979-19 Jan 2001)
10th: Charles Hugh Shaun Bagot (19 Jan 2001- )

Baron Baillieu, of Sefton, Commonwealth of Australia and of Parkwwod, co. Surrey    [United Kingdom, 1953]
  1st: Clive Latham Baillieu (13 Feb 1953-18 Jun 1967)
  2nd: William Latham Baillieu (18 Jun 1967-18 Apr 1973)
  3rd: James William Latham Baillieu (18 Apr 1973- )

Lord Balfour, Baron of Glenawley, co. Fermanagh    [Ireland, 1619]
  1st: James Balfour (8 Nov 1619-18 Oct 1634)
  2nd: James Balfour (18 Oct 1634-16 Feb 1636)
  3rd: Alexander Balfour (26 Feb 1636-a 1636)

Lord Balfour of Burleigh, co. Kinross    [Scotland, 1607]
  1st: Michael Balfour (16 Jul 1607-15 Mar 1619)
  2nd: Margaret Balfour (15 Mar 1619-Jun 1639)
  3rd: John Balfour (Jun 1639-bt 1696-1697)
  4th: Robert Balfour (bt 1696-1697-Jul 1713)
  5th: Robert Balfour (Jul 1713-c Mar 1757)
  6th: Alexander Hugh Bruce (19 Mar 1869-6 Jul 1921)
  7th: George John Gordon Bruce (6 Jul 1921-4 Jun 1967)
  8th: Robert Bruce (4 Jun 1967- )

Baron Balfour of Inchrye, of Shefford, co. Berks    [United Kingdom, 1945]
  1st: Harold Harington Balfour (5 Jul 1945-21 Sep 1988)
  2nd: Ian Balfour (21 Sep 1988-14 Apr 2013)

Lord Balgonie    [Scotland, 1641]
  1st: Alexander Leslie (11 Oct 1641-4 Apr 1661)
  2nd: Alexander Leslie (4 Apr 1661-15 Jul 1664)
  5th: David Leslie (27 Jul 1681-6 Jun 1728)
  6th: David Leslie (6 Jun 1728-Jun 1729)
  7th: Alexander Leslie (Jun 1729-2 Sep 1754)
  8th: David Leslie (2 Sep 1754-9 Jun 1802)
  9th: Alexander Leslie-Melville (9 Jun 1802-22 Feb 1820)
10th: David Leslie-Melville (22 Feb 1820-8 Oct 1860)
11th: John Thornton Leslie-Melville (8 Oct 1860-9 Sep 1876)
12th: Alexander Leslie-Melville (9 Sep 1876-22 Oct 1889)
13th: Ronald Ruthven Leslie Melville (22 Oct 1889-21 Aug 1906)
14th: John David Leslie Melville (21 Aug 1906-11 Jun 1913)
15th: Archibald Alexander Leslie Melville (11 Jun 1913-15 Jan 1947)
16th: Alexander Robert Leslie Melville (15 Jan 1947-7 Apr 2012)
17th: Alexander Ian Leslie Melville (7 Apr 2012- )

Baron Balinhard, of Farnell, Forfar    [United Kingdom, 1869]
  1st: James Carnegie (7 Dec 1869-21 Feb 1905)
  2nd: Charles Noel Carnegie (21 Feb 1905-10 Nov 1941)
  3rd: Charles Alexander Carnegie (10 Nov 1941-16 Feb 1992)
  4th: James George Alexander Bannerman Carnegie (16 Feb 1992- )

Lord of Ballyanne, co. Wexford    [Ireland, 1553]
  1st: Cahir Mac Art Boy Kavanagh (8 Feb 1553-a 1554)

Baron of Ballymote, co. Sligo    [Ireland, 1628]
  1st: John Taaffe (1 Aug 1628-2 Jan 1642)
  2nd: Theobald Taaffe (1642-31 Dec 1677)
  3rd: Nicholas Taaffe (31 Dec 1677-1 Jul 1690)
  4th: Francis Taaffe (2 Jul 1690-Aug 1704)
  5th: Theobald Taaffe (Aug 1704-24 Nov 1738)
  6th: Nicholas Taaffe (24 Nov 1738-30 Dec 1769)
  7th: Rodolphus Taaffe (30 Dec 1769-7 Jun 1830)
  8th: Francis John Charles Joseph Taaffe (7 Jun 1830-8 Feb 1849)
  9th: Louis Patrick John Taaffe (6 Feb 1849-21 Dec 1855)
10th: Charles Rudoph Joseph Francis Taaffe (21 Dec 1855-19 Nov 1873)
11th: Edward Francis Joseph Taaffe (19 Nov 1873-29 Nov 1895)
12th: Henry Taaffe (29 Nov 1895- )

Lord Balmerinoch    [Scotland, 1606]
  1st: James Elphinstone (11 Jul 1606-May 1612)
  2nd: John Elphinstone (4 Aug 1613-28 Feb 1649)
  3rd: John Elphinstone (28 Feb 1649-10 Jun 1704)
  4th: John Elphinstone (10 Jun 1704-13 May 1736)
  5th: James Elphinstone (13 May 1736-5 Jan 1746)
  6th: Arthur Elphinstone (5 Jan 1746-18 Aug 1746)

Baron Baltimore, of Baltimore    [Ireland, 1625]
  1st: George Calvert (16 Feb 1625-15 Apr 1632)
  2nd: Cecil Calvert (15 Apr 1632-c Dec 1675)
  3rd: Charles Calvert (Dec 1675-21 Feb 1715)
  4th: Benedict Leonard Calvert (21 Feb 1715-16 Apr 1715)
  5th: Charles Calvert (16 Apr 1715-24 Apr 1751)
  6th: Frederick Calvert (24 Apr 1751-4 Sep 1771)

Baron of Baltinglass, co. Wicklow    [Ireland, 1763]
  1st: John Stratford (21 May 1763-29 Jun 1777)
  2nd: Edward Augustus Stratford (29 Jun 1777-2 Jan 1801)
  3rd: John Stratford (2 Jan 1801-7 Mar 1823)
  4th: Benjamin O'Neale Stratford (7 Mar 1823-11 Jul 1833)
  5th: Mason Gerald Stratford (11 Jul 1833-4 Oct 1849)
  6th: Benjamin O'Neale Stratford (4 Oct 1849-19 Dec 1875)

Lord Balvaird    [Scotland, 1641]
  1st: Andrew Murray (17 Nov 1641-24 Sep 1644)
  2nd: David Murray (24 Sep 1644-14 Jul 1668)
  3rd: David Murray (14 Jul 1668-9 Nov 1731)
  4th: David Murray (9 Nov 1731-1748)
  5th: David Murray (1748-1 Sep 1796)
  6th: David William Murray (1 Sep 1796-11 Feb 1840)
  7th: William David Murray (11 Feb 1840-2 Aug 1898)
  8th: William David Murray (2 Aug 1898-29 Apr 1906)
  9th: Alan David Murray (29 Apr 1906-14 Mar 1935)
11th: William David Mungo James Murray (2 Sep 1971- )
11th: Mungo David Malcolm Murray (14 Mar 1935-2 Sep 1971)

Lord of Balveny    [Scotland, 1460]
  1st: John Stewart (1460-15 Sep 1512)

Baron Banbury of Southam, of Southam, co. Warwick    [United Kingdom, 1924]
  1st: Frederick Banbury (12 Jan 1924-13 Aug 1936)
  2nd: Charles William Banbury (13 Aug 1936-29 Apr 1981)
  3rd: Charles William Banbury (29 Apr 1981- )

Baron Bandon, of Bandonbridge, co. Cork    [Ireland, 1793]
  1st: Francis Bernard (30 Nov 1793-26 Nov 1830)
  2nd: James Bernard (26 Nov 1830-31 Oct 1856)
  3rd: Francis Bernard (31 Oct 1856-17 Feb 1877)
  4th: James Francis Bernard (17 Feb 1877-18 May 1924)
  5th: Percy Ronald Gardner Bernard (18 May 1924-8 Feb 1979)

Baron of Bandon Bridge, co. Cork    [Ireland, 1628]
  1st: Lewis Boyle (28 Feb 1628-2 Sep 1642)
  2nd: Richard Boyle (2 Sep 1642-15 Jan 1698)
  3rd: Charles Boyle (13 Jan 1698-9 Feb 1704)
  4th: Richard Boyle (9 Feb 1704-3 Dec 1753)
  5th: John Boyle (3 Dec 1753-23 Nov 1762)
  6th: Hamilton Boyle (23 Nov 1762-17 Jan 1764)
  7th: Edmund Boyle (17 Jan 1764-6 Oct 1798)
  8th: Edmund Boyle (6 Oct 1798-29 Jun 1856)
  9th: Richard Edmund St. Lawrence Boyle (29 Jun 1856-22 Jun 1904)
10th: Charles Spencer Boyle (22 Jun 1904-25 Mar 1925)
11th: Robert John Lascelles Boyle (25 Mar 1925-13 Oct 1934)
12th: William Henry Dudley Boyle (13 Oct 1934-19 Apr 1967)
13th: Patrick Reginald Boyle (19 Apr 1967-8 Aug 1995)
14th: John William Boyle (8 Aug 1995-14 Nov 2003)
15th: John Richard Boyle (14 Nov 2003- )

Lord Banff    [Scotland, 1642]
  1st: George Ogilvy (31 Aug 1642-11 Aug 1663)
  2nd: George Ogilvy (11 Aug 1663-Mar 1668)
  3rd: George Ogilvy (Mar 1668-Nov 1713)
  4th: George Ogilvy (Nov 1713-b 12 Jan 1718)
  5th: John George Ogilvy (Jan 1718-29 Jul 1738)
  6th: Alexander Ogilvy (29 Jul 1738-Nov 1746)
  7th: Alexander Ogilvy (Nov 1746-1 Sep 1771)
  8th: William Ogilvy (1 Sep 1771-4 Jun 1803)

Baron Bangor, of Castle Ward, co. Down    [Ireland, 1770]
  1st: Bernard Ward (30 May 1770-20 May 1781)
  2nd: Nicholas Ward (20 May 1781-11 Sep 1827)
  3rd: Edward Southwell Ward (11 Sep 1827-1 Aug 1837)
  4th: Edward Ward (1 Aug 1837-14 Sep 1881)
  5th: Henry William Ward (14 Sep 1881-23 Feb 1911)
  6th: Maxwell Richard Crosbie Ward (23 Feb 1911-17 Nov 1950)
  7th: Edward Henry Harold Ward (17 Nov 1950-8 May 1993)
  8th: William Maxwell David Ward (8 May 1993- )

Baron Bannow, co. Wexford    [Ireland, 1689]
  1st: Edward Chevers (23 Aug 1689-1709)

Baron of Bantry, co. Cork    [Ireland, 1627]
  1st: Thomas Roper (27 Jun 1627-18 Feb 1638)
  2nd: Thomas Roper (18 Feb 1638-c Apr 1666)
  3rd: Cary Roper (c Apr 1666-c Aug 1672)

Baron Bantry, of Bantry, co. Cork    [Ireland, 1797]
  1st: Richard White (24 Mar 1797-2 May 1851)
  2nd: Richard White (2 May 1851-16 Jul 1868)
  3rd: William Henry Hare Hedges-White (16 Jul 1868-15 Jan 1884)
  4th: William Henry Hare Hedges-White (15 Jan 1884-30 Nov 1891)

Baron Bard of Dromboy, co. Westmeath    [Ireland, 1645]
  1st: Henry Bard (18 Jul 1645-20 Jun 1656)
  2nd: Charles Rupert Bard (20 Jun 1656-19 Jun 1667)

Lord Bargeny    [Scotland, 1641]
  1st: John Hamilton (16 Nov 1641-Apr 1658)
  2nd: John Hamilton (Apr 1658-15 May 1693)
  3rd: William Hamilton (15 May 1693-c 1712)
  4th: James Hamilton (c 1712-28 Mar 1736)

Baron Barham, of Barham Court and Teston, Kent    [United Kingdom, 1805]
  1st: Charles Middleton (1 May 1805-17 Jun 1813)
  2nd: Diana Middleton (17 Jun 1813-12 Apr 1823)
  3rd: Charles Noel (12 Apr 1823-10 Jun 1866)
  4th: Charles George Noel (10 Jun 1866-13 Aug 1881)
  5th: Charles William Francis Noel (13 Aug 1881-17 Apr 1926)
  6th: Arthur Edward Joseph Noel (17 Apr 1926-27 Aug 1927)
  7th: Anthony Gerard Edward Noel (27 Aug 1927-29 Dec 2009)
  8th: Anthony Baptist Noel (29 Dec 2009- )

Baron Barnard of Barnard's Castle, in the Bishopric of Durham    [England, 1698]
  1st: Christopher Vane (25 Jul 1698-28 Oct 1723)
  2nd: Gilbert Vane (28 Oct 1723-27 Apr 1753)
  3rd: Henry Vane (27 Apr 1753-6 Mar 1758)
  4th: Henry Vane (6 Mar 1758-8 Sep 1792)
  5th: William Henry Vane (8 Sep 1792-29 Jan 1842)
  6th: Henry Vane (29 Jan 1842-18 Jan 1864)
  7th: William John Frederick Vane (18 Jan 1864-6 Sep 1864)
  8th: Harry George Powlett (6 Sep 1864-21 Aug 1891)
  9th: Henry de Vere Vane (30 May 1892-28 Dec 1918)
10th: Christopher William Vane (28 Dec 1918-19 Oct 1964)
11th: Harry John Neville Vane (19 Oct 1964- )

Baron Barnby, of Blyth, co. Nottingham    [United Kingdom, 1922]
  1st: Francis Willey (26 Jan 1922-16 Feb 1929)
  2nd: Francis Vernon Willey (16 Feb 1929-30 Apr 1982)

Baron of the Barony of Burgh, co. Cumberland    [Great Britain, 1784]
  1st: James Lowther (24 May 1784-24 May 1802)

Baron of the Barony of Kendal, co. Westmorland    [Great Britain, 1784]
  1st: James Lowther (24 May 1784-24 May 1802)

Lord Barrett of Newburgh, co. Fife    [Scotland, 1627]
  1st: Edward Barrett (17 Oct 1627-c Dec 1644)

Baron Barrington of Newcastle, co. Limerick    [Ireland, 1720]
  1st: John Barrington (1 Jul 1720-14 Dec 1734)
  2nd: William Wildman Barrington-Shute (14 Dec 1734-1 Feb 1793)
  3rd: William Barrington (1 Feb 1793-13 Jul 1801)
  4th: Richard Barrington (13 Jul 1801-8 Dec 1813)
  5th: George Barrington (8 Dec 1813-4 Mar 1829)
  6th: William Keppel Barrington (4 Mar 1829-9 Feb 1867)
  7th: George William Barrington (9 Feb 1867-6 Nov 1886)
  8th: Percy Barrington (6 Nov 1886-29 Apr 1901)
  9th: Walter Bulkeley Barrington (29 Apr 1901-12 Sep 1933)
10th: William Reginald Shute Barrington (12 Sep 1933-4 Oct 1960)
11th: Patrick William Daines Barrington (4 Oct 1960-6 Apr 1990)

Baron Barrogill, of Barrogill Castle, co. Caithness    [United Kingdom, 1866]
  1st: James Sinclair (1 May 1866-28 Mar 1881)
  2nd: George Philips Alexander Sinclair (28 Mar 1881-25 May 1889)

Lord Barry    [Ireland, 1261]
  1st: David Barry (c 1261-1278)
  2nd: John Barry (1278- )
  3rd: David Fitz David Barry (a 1285-c 1290)
  4th: John Barry (c 1290-c 1330)
  5th: David Barry (c 1330-12 May 1347)
  6th: David Barry (12 May 1347-6 Sep 1392)
  7th: John Barry (6 Sep 1392-c 1420)
  8th: William Barry (c 1420-c 1480)
  9th: John Barry (c 1480-25 Dec 1486)
10th: Thomas Barry (25 Dec 1486-a 27 Jun 1488)
11th: William Barry (c Jul 1488-1500)
12th: John Barry (1500-c 1530)
13th: John fitz John Barry (c 1530-c 1534)
14th: John fitz John Barry (c 1534-bt 1553-1553)
15th: Edmond Barry (bt 1553-1553-c 1556)
16th: James fitz John Barry (c 1556-20 Mar 1558)
17th: James Fitz Richard Barry (20 Mar 1558-10 Apr 1581)
18th: David Barry (10 Apr 1581-10 Apr 1617)
19th: David Barry (10 Apr 1617-29 Sep 1642)
20th: Richard Barry (29 Sep 1642-Nov 1694)
21st: Laurence Barry (Nov 1694-17 Apr 1699)
22nd: James Barry (17 Apr 1699-5 Jan 1748)
23rd: James Barry (5 Jan 1748-19 Dec 1751)
24th: Richard Barry (19 Dec 1751-1 Aug 1773)
25th: Richard Barry (1 Aug 1773-6 Mar 1793)
26th: Henry Barry (6 Mar 1793-18 Dec 1823)

Baron Barry of Santry, co. Dublin    [Ireland, 1661]
  1st: James Barry (18 Feb 1661-9 Feb 1673)
  2nd: Richard Barry (9 Feb 1673-Oct 1694)
  3rd: Henry Barry (Oct 1694-27 Jan 1735)
  4th: Henry Barry (27 Jan 1735-18 Mar 1751)

Baron Barrymore, of Barrymore, co. Cork    [United Kingdom, 1902]
  1st: Arthur Hugh Smith-Barry (18 Jul 1902-22 Feb 1925)

Baron Basing of Basing Byflete and of Hoddington, both in co. Southampton    [United Kingdom, 1887]
  1st: George Sclater-Booth (7 Jul 1887-22 Oct 1894)
  2nd: George Sclater-Booth (22 Oct 1894-8 Apr 1919)
  3rd: John Limbrey Robert Sclater-Booth (8 Apr 1919-2 Oct 1969)
  4th: George Lutley Sclater-Booth (2 Oct 1969-18 Sep 1983)
  5th: Neil Lutley Sclater-Booth (18 Sep 1983-24 Nov 2007)
  6th: Stuart Anthony Whitfield Sclater-Booth (24 Nov 2007- )

Baron Basset of Stratton, Cornwall    [Great Britain, 1797]
  1st: Francis Basset (30 Nov 1797-5 Feb 1835)
  2nd: Frances Basset (14 Feb 1835-22 Jan 1855)

Baron Bateman of Shobdon, co. Hereford    [United Kingdom, 1837]
  1st: William Bateman-Hanbury (30 Jan 1837-22 Jul 1845)
  2nd: William Bateman-Hanbury (22 Jul 1845-30 Nov 1901)
  3rd: William Spencer Bateman-Hanbury (30 Nov 1901-4 Nov 1931)

Baroness of Bath, Somerset    [Great Britain, 1792]
  1st: Henrietta Laura Pulteney (26 Jul 1792-14 Jul 1808)

Baron Bathurst of Battlesden, co. Bedford    [Great Britain, 1712]
  1st: Allen Bathurst (1 Jan 1712-16 Sep 1775)
  2nd: Henry Bathurst (16 Sep 1775-6 Aug 1794)
  3rd: Henry Bathurst (6 Aug 1794-27 Jul 1834)
  4th: Henry George Bathurst (27 Jul 1834-25 May 1866)
  5th: William Lennox Bathurst (25 May 1866-24 Feb 1878)
  6th: Allen Alexander Bathurst (24 Feb 1878-1 Aug 1892)
  7th: Seymour Henry Bathurst (1 Aug 1892-21 Sep 1943)
  8th: Henry Allen John Bathurst (21 Sep 1943-16 Oct 2011)
  9th: Allen Christopher Bertram Bathurst (16 Oct 2011- )

Baron Battersea of Battersea, co. London and of Overstrand, Norfolk    [United Kingdom, 1892]
  1st: Cyril Flower (5 Sep 1892-27 Nov 1907)

Baron Bayford, of Stoke Trister, co. Somerset    [United Kingdom, 1929]
  1st: Robert Arthur Sanders (18 Jun 1929-24 Feb 1940)

Baron Bayning of Foxley, Berkshire    [Great Britain, 1797]
  1st: Charles Townshend (20 Oct 1797-19 May 1810)
  2nd: Charles Powlett (19 May 1810-2 Aug 1823)
  3rd: Henry William-Powlett (2 Aug 1823-5 Aug 1866)

Baron Bayning of Horkesley, Essex    [England, 1628]
  1st: Paul Bayning (27 Feb 1628-29 Jul 1629)
  2nd: Paul Bayning (29 Jul 1629-11 Jun 1638)

Baron Bearsted, of Maidstone, co. Kent    [United Kingdom, 1921]
  1st: Marcus Samuel (15 Jun 1921-17 Jan 1927)
  2nd: Walter Horace Samuel (19 Jan 1927-8 Nov 1948)
  3rd: Marcus Richard Samuel (8 Nov 1948-15 Oct 1986)
  4th: Peter Montefiore Samuel Samuel (15 Oct 1986-9 Jun 1996)
  5th: Nicholas Alan Samuel (9 Jun 1996- )

Baron Beatty, of the North Sea and of Brooksby, co. Leicester    [United Kingdom, 1919]
  1st: David Beatty (27 Sep 1919-11 Mar 1936)
  2nd: David Field Beatty (11 Mar 1936-10 Jun 1972)
  3rd: David Beatty (10 Jun 1972- )

Baron Beauchamp    [England, 1559]
  1st: Edward Seymour (13 Jan 1559-6 Apr 1621)

Lord de Beauchamp, Baron of Kidderminster    [England, 1387]
  1st: John Beauchamp (10 Oct 1387-12 May 1388)
  2nd: John Beauchamp (1398-Sep 1420)

Baron Beauchamp of Powick, co. Worcester    [England, 1447]
  1st: John Beauchamp (2 May 1447-bt 1475-1475)
  2nd: Richard Beauchamp (bt 1475-1475-19 Jan 1503)

Baron Beauchamp of Powyk, co. Gloucestershire    [United Kingdom, 1806]
  1st: William Lygon (26 Feb 1806-21 Oct 1816)
  2nd: William Beauchamp Lygon (21 Oct 1816-12 May 1823)
  3rd: John Reginald Pyndar (12 May 1823-22 Jan 1853)
  4th: Henry Beauchamp Lygon (22 Jan 1853-8 Sep 1863)
  5th: Henry Lygon (8 Sep 1863-4 Mar 1866)
  6th: Frederick Lygon (4 Mar 1866-19 Feb 1891)
  7th: William Lygon (19 Feb 1891-15 Nov 1938)
  8th: William Lygon (15 Nov 1938-3 Jan 1979)

Baron Beaulieu, of Beaulieu, co. Southampton    [Great Britain, 1762]
  1st: Edward Hussey-Montagu (11 May 1762-25 Nov 1802)

Baron Beauvale, of Beauvale, co. Nottingham    [United Kingdom, 1839]
  1st: Frederic James Lamb (20 Apr 1839-29 Jan 1853)

Baron Beaverbrook, of Beaverbrook, in the province of New Brunswick, Canada    [United Kingdom, 1917]
  1st: William Maxwell Aitken (2 Jan 1917-9 Jun 1964)
  2nd: John William Maxwell Aitken (9 Jun 1964-30 Apr 1985)
  3rd: Maxwell William Humphrey Aitken (30 Apr 1985- )

Baron Belasyse of Worlaby, co. Lincoln    [England, 1645]
  1st: John Belasyse (27 Jan 1645-10 Sep 1689)
  2nd: Henry Belasyse (10 Sep 1689-c Aug 1691)

Baron Belfield, of co. Westmeath    [Ireland, 1738]
  1st: Robert Rochfort (16 Mar 1738-13 Nov 1774)
  2nd: George Rochfort (13 Nov 1774-13 May 1814)

Lord Belhaven and Stenton, co. Haddington    [Scotland, 1647]
  1st: John Hamilton (15 Dec 1647-17 Jun 1679)
  2nd: John Hamilton (17 Jun 1679-21 Jun 1708)
  3rd: John Hamilton (21 Jun 1708-27 Nov 1721)
  4th: John Hamilton (27 Nov 1721-28 Aug 1764)
  5th: James Hamilton (28 Aug 1764-25 Jan 1777)
  6th: Robert Hamilton (25 Jan 1777-27 Mar 1784)
  7th: William Hamilton (27 Mar 1784-29 Oct 1814)
  8th: Robert Montgomery Hamilton (20 Oct 1814-22 Dec 1868)
  9th: James Hamilton (22 Dec 1868-6 Sep 1893)
10th: Alexander Charles Hamilton (6 Sep 1893-31 Oct 1920)
11th: Robert Edward Archibald Udny-Hamilton (31 Mar 1918-26 Oct 1950)
12th: Robert Alexander Benjamin Hamilton (20 Oct 1950-10 Jul 1961)
13th: Robert Anthony Carmichael Hamilton (10 Jul 1961- )

Lord Bellenden of Broughton, in Midlothian    [Scotland, 1661]
  1st: William Bellenden (10 Jun 1661-c Sep 1671)
  2nd: John Bellenden (23 Dec 1671-b 5 Nov 1706)
  3rd: John Bellenden (Mar 1707-16 Mar 1741)
  4th: Ker Bellenden (16 Mar 1741-2 Mar 1753)
  5th: John Ker Bellenden (2 Mar 1753-20 Oct 1796)
  6th: Robert Bellenden (20 Oct 1796-13 Oct 1797)
  7th: William Bellenden-Ker (13 Oct 1797-22 Oct 1805)

Baron Bellew of Barmeath, co. Louth    [Ireland, 1848]
  1st: Patrick Bellew (10 Jul 1848-10 Dec 1866)
  2nd: Edward Joseph Bellew (10 Dec 1866-28 Jul 1895)
  3rd: Charles Bertram Bellew (28 Jul 1895-15 Jul 1911)
  4th: George Leopold Bryan (15 Jul 1911-15 Jun 1935)
  5th: Edward Henry Bellew (15 Jun 1935-8 Aug 1975)
  6th: Bryan Bertram Bellew (8 Aug 1975-7 Sep 1981)
  7th: James Bryan Bellew (7 Sep 1981-3 Aug 2010)
  8th: Bryan Edward Bellew (3 Aug 2010- )

Baron Bellew of Duleek    [Ireland, 1686]
  1st: John Bellew (29 Oct 1686-12 Jan 1693)
  2nd: Walter Bellew (12 Jan 1693-1694)
  3rd: Richard Bellew (1694-22 Mar 1715)
  4th: John Bellew (22 Mar 1715-18 Aug 1770)

Baron Belmore of Castle Coole, co. Fermanagh    [Ireland, 1781]
  1st: Armar Lowry-Corry (6 Jan 1781-2 Feb 1802)
  2nd: Somerset Lowry-Corry (2 Feb 1802-18 Apr 1841)
  3rd: Armar Lowry-Corry (18 Apr 1841-17 Dec 1845)
  4th: Somerset Richard Lowry-Corry (17 Dec 1845-6 Apr 1913)
  5th: Armar Lowry-Corry (6 Apr 1913-12 Feb 1948)
  6th: Cecil Lowry-Corry (12 Feb 1948-2 Mar 1949)
  7th: Galbraith Armar Lowry-Corry (2 Mar 1949-20 Jul 1960)
  8th: John Armar Lowry-Corry (20 Jul 1960- )

Baron Belper, of Belper, co. Derby    [United Kingdom, 1856]
  1st: Edward Strutt (29 Aug 1856-30 Jun 1880)
  2nd: Henry Strutt (30 Jun 1880-26 Jul 1914)
  3rd: Algernon Henry Strutt (26 Jul 1914-20 May 1956)
  4th: Alexander Ronald George Strutt (20 Mar 1956-23 Dec 1999)
  5th: Richard Henry Strutt (23 Dec 1999- )

Baron Belstead, of Ipswich, co. Suffolk    [United Kingdom, 1938]
  1st: Francis John Childs Ganzoni (27 Jan 1938-15 Aug 1958)
  2nd: John Julian Ganzoni (15 Aug 1958-3 Dec 2005)

Baron Bennett of Edgbaston, of Sutton Coldfield, co. Warwick    [United Kingdom, 1953]
  1st: Peter Frederick Blaker Bennett (1 Jul 1953-29 Sep 1957)

Baron Beresford, of Metemmeh and Curarghmore, co. Waterford    [United Kingdom, 1916]
  1st: Charles William de la Poer Beresford (22 Jan 1916-6 Sep 1919)

Baron Beresford of Albuera and Dungarvan, co. Waterford    [United Kingdom, 1814]
  1st: William Carr Beresford (17 May 1814-8 Jan 1854)

Baron Berkeley of Rathdowne, co. Wicklow    [Ireland, 1663]
  1st: Charles Berkeley (1 Jul 1663-1665)

Baron Berkeley of Stratton, Cornwall    [England, 1658]
  1st: John Berkeley (19 May 1658-28 Aug 1678)
  2nd: Charles Berkeley (8 Aug 1678-6 Mar 1682)
  3rd: John Berkeley (6 Mar 1682-27 Feb 1697)
  4th: William Berkeley (27 Feb 1697-24 Mar 1741)
  5th: John Berkeley (24 Mar 1741-18 Apr 1773)

Lord Berriedale    [Scotland, 1449]
20th: Malcolm Ian Sinclair (8 May 1965- )

Baron Bertie of Thame, co. Oxford    [United Kingdom, 1915]
  1st: Francis Leveson Bertie (28 Jun 1915-26 Sep 1919)
  2nd: Vere Frederick Bertie (26 Sep 1919-29 Aug 1954)

Baron Berwick of Attingham, co. Shropshire    [Great Britain, 1784]
  1st: Noel Hill (19 May 1784-6 Jan 1789)
  2nd: Thomas Noel Hill (6 Jan 1789-3 Nov 1832)
  3rd: William Noel-Hill (3 Nov 1832-4 Aug 1842)
  4th: Richard Noel-Hill (4 Aug 1842-28 Sep 1848)
  5th: Richard Noel Noel-Hill (28 Sep 1848-12 Apr 1861)
  6th: William Noel-Hill (12 Apr 1861-24 Nov 1882)
  7th: Richard Henry Noel-Hill (24 Nov 1882-2 Nov 1897)
  8th: Thomas Henry Noel-Hill (2 Nov 1897-12 Jun 1947)
  9th: Charles Michael Wentworth Noel-Hill (12 Jun 1947-27 Jan 1953)

Baron Bessborough, of Bessborough, co. Kilkenny    [Ireland, 1721]
  1st: William Ponsonby (11 Sep 1721-17 Nov 1724)
  2nd: Brabazon Ponsonby (17 Nov 1724-4 Jul 1758)
  3rd: William Ponsonby (4 Jul 1758-11 Mar 1793)
  4th: Frederick Ponsonby (11 Mar 1793-3 Feb 1844)
  5th: John William Ponsonby (3 Feb 1844-16 May 1847)
  6th: John George Brabazon Ponsonby (16 May 1847-28 Jan 1880)
  7th: Frederick George Brabazon Ponsonby (28 Jan 1880-11 Mar 1895)
  8th: Walter William Brabazon Ponsonby (11 Mar 1895-24 Feb 1906)
  9th: Edward Ponsonby (24 Feb 1906-1 Dec 1920)
10th: Vere Brabazon Ponsonby (1 Dec 1920-10 Mar 1956)
11th: Frederick Edward Neuflize Ponsonby (10 Mar 1956-5 Dec 1993)
12th: Arthur Mountifort Longfield Ponsonby (5 Dec 1993-5 Apr 2002)
13th: Myles Fitzhugh Longfield Ponsonby (5 Apr 2002- )

Baron Bethell, of Romford, co. Essex    [United Kingdom, 1922]
  1st: John Henry Bethell (23 Nov 1922-27 May 1945)
  2nd: John Raymond Bethell (27 May 1945-30 Sep 1965)
  3rd: Guy Anthony John Bethell (30 Sep 1965-2 Dec 1967)
  4th: Nicholas William Bethell (2 Dec 1967-8 Sep 2007)
  5th: James Nicholas Bethell (8 Sep 2007- )

Baron Beveridge, of Tuggal, co. Northumberland    [United Kingdom, 1946]
  1st: William Henry Beveridge (25 Jun 1946-16 Mar 1963)

Baron Bexley, of Bexley, Kent    [United Kingdom, 1823]
  1st: Nicholas Vansittart (1 Mar 1823-8 Feb 1851)

Baron Bicester, of Tusmore, co. Oxford    [United Kingdom, 1938]
  1st: Vivian Hugh Smith (29 Jun 1938-17 Feb 1956)
  2nd: Randall Hugh Vivian Smith (17 Feb 1956-15 Jan 1968)
  3rd: Angus Edward Vivian Smith (15 Jan 1968- )

Baron Biddulph, of Ledbury, co. Hereford    [United Kingdom, 1903]
  1st: Michael Biddulph (1 Aug 1903-6 Apr 1923)
  2nd: John Michael Gordon Biddulph (6 Apr 1923-17 Dec 1949)
  3rd: Michael William John Biddulph (17 Dec 1949-21 Jul 1972)
  4th: Robert Michael Christian Biddulph (21 Jul 1972-3 Nov 1988)
  5th: Anthony Nicholas Colin Maitland Biddulph (3 Nov 1988- )

Baron Bilsland, of Kinrara, co. Inverness    [United Kingdom, 1950]
  1st: Alexander Steven Bilsland (31 Jan 1950-10 Dec 1970)

Baron Bingham, of Melcombe Bingham, co. Dorset    [United Kingdom, 1934]
  1st: George Charles Bingham (26 Jun 1934-20 Apr 1949)
  2nd: George Charles Patrick Bingham (20 Apr 1949-21 Jan 1964)
  3rd: Richard John Bingham (21 Jan 1964-a Nov 1974)

Baron of Bingley, co. York    [Great Britain, 1713]
  1st: Robert Benson (21 Jul 1713-9 Apr 1731)

Baron Bingley, co. York    [Great Britain, 1762]
  1st: George Fox-Lane (13 May 1762-22 Feb 1773)

Baron Bingley, of Bramham, co. York    [United Kingdom, 1933]
  1st: George Richard Lane-Fox (24 Jul 1933-11 Dec 1947)

Lord Binning    [Scotland, 1613]
  1st: Thomas Hamilton (19 Nov 1613-29 May 1637)
  2nd: Thomas Hamilton (29 May 1637-30 Aug 1640)
  3rd: Thomas Hamilton (30 Aug 1640-8 Feb 1645)
  4th: John Hamilton (8 Feb 1645-31 Aug 1669)
  5th: Charles Hamilton (31 Aug 1669-May 1685)
  6th: Thomas Hamilton (May 1685-28 Nov 1735)
  7th: Thomas Hamilton (28 Nov 1735-19 May 1794)
  8th: Charles Hamilton (19 May 1794-17 Mar 1828)
  9th: Thomas Hamilton (17 Mar 1858-1 Dec 1858)
10th: George Baillie-Hamilton (1 Dec 1858-25 Jun 1870)
11th: George Baillie-Hamilton (25 Jun 1870-11 Jun 1917)
12th: George Baillie-Hamilton (11 Jun 1917-1986)
13th: John George Baillie-Hamilton (1986- )

Baron Birdwood, of Anzac, and of Totnes, co. Devon    [United Kingdom, 1938]
  1st: William Riddell Birdwood (25 Jan 1938-17 May 1951)
  2nd: Christopher Bromhead Birdwood (17 May 1951-5 Jan 1962)
  3rd: Mark William Ogilvie Birdwood (5 Jan 1962- )

Baron Birkenhead, of Birkenhead, co. Chester    [United Kingdom, 1919]
  1st: Frederick Edwin Smith (3 Feb 1919-30 Sep 1930)
  2nd: Frederick Winston Furneaux Smith (30 Sep 1930-10 Jun 1975)
  3rd: Frederick William Robin Smith (10 Jun 1975-16 Feb 1985)

Baron Birkett, of Ulverston, in the County Palatine of Lancashire    [United Kingdom, 1958]
  1st: William Norman Birkett (31 Jan 1958-10 Feb 1962)
  2nd: Michael Birkett (10 Feb 1962- )

Baron Blachford, of Wisdome and Blachford, co. Devon    [United Kingdom, 1871]
  1st: Frederick Rogers (4 Nov 1871-21 Nov 1889)

Baron Blackford, of Compton Pauncefoot, co. Somerset    [United Kingdom, 1935]
  1st: William James Peake Mason (26 Jun 1935-21 Jul 1947)
  2nd: Glyn Keith Murray Mason (21 Jul 1947-31 Dec 1972)
  3rd: Keith Alexander Henry Mason (31 Dec 1972-21 Apr 1977)
  4th: William Keith Mason (21 Apr 1977-15 May 1988)

Baron Blakeney of Blakeney Castle, co. Galway    [Ireland, 1756]
  1st: William Blakeney (18 Dec 1756-20 Sep 1761)

Lord of Blantyre    [Scotland, 1606]
  1st: Walter Stewart (10 Jul 1606-8 Mar 1617)
  2nd: William Stewart (8 Mar 1617-29 Nov 1638)
  3rd: Walter Stewart (29 Nov 1638-Oct 1641)
  4th: Alexander Stewart (Oct 1641-c May 1676)
  5th: Alexander Stewart (c May 1676-20 Jun 1704)
  6th: Walter Stuart (20 Jun 1704-23 Jun 1713)
  7th: Robert Stuart (23 Jun 1723-17 Nov 1743)
  8th: Walter Stuart (17 Nov 1743-21 May 1751)
  9th: William Stuart (21 May 1751-16 Jan 1776)
10th: Alexander Stuart (16 Jan 1776-5 Nov 1783)
11th: Robert Walter Stuart (5 Nov 1783-22 Sep 1830)
12th: Charles Stuart (22 Sep 1830-15 Dec 1900)

Baron de Blaquiere of Ardkill, co. Londonderry    [Ireland, 1800]
  1st: John Blaquiere (30 Jul 1800-27 Aug 1812)
  2nd: John Blaquiere (27 Aug 1812-7 Apr 1844)
  3rd: William Blaquiere (7 Apr 1844-12 Nov 1851)
  4th: John Blaquiere (12 Nov 1851-2 Jan 1871)
  5th: William Blaquiere (2 Jan 1871-24 Nov 1889)
  6th: William Blaquiere (24 Nov 1889-28 Jul 1920)

Lord Blayney, Baron of Monaghan, co. Monaghan    [Ireland, 1621]
  1st: Edward Blayney (29 Jul 1621-11 Feb 1630)
  2nd: Henry Blayney (11 Feb 1630-5 Jun 1646)
  3rd: Edward Blayney (5 Jun 1646-c Dec 1669)
  4th: Richard Blayney (Dec 1669-3 Nov 1670)
  5th: Henry Vincent Blayney (3 Nov 1670-Aug 1689)
  6th: William Blayney (Aug 1689-3 Jan 1706)
  7th: Cadwallader Blayney (3 Jan 1706-19 Mar 1733)
  8th: Charles Talbot Blayney (19 Mar 1733-29 Sep 1761)
  9th: Cadwallader Blayney (29 Sep 1761-13 Nov 1775)
10th: Cadwallader Davis Blayney (13 Nov 1775-2 Apr 1784)
11th: Andrew Thomas Blayney (2 Apr 1784-8 Apr 1834)
12th: Cadwallader Davis Blayney (8 Apr 1834-18 Jan 1874)

Baron Bledisloe, of Lydney, co. Gloucester    [United Kingdom, 1918]
  1st: Charles Bathurst (15 Oct 1918-3 Jul 1958)
  2nd: Benjamin Ludlow Bathurst (3 Jul 1958-17 Sep 1979)
  3rd: Christopher Hiley Ludlow Bathurst (17 Sep 1979-12 May 2009)
  4th: Rupert Edward Ludlow Bathurst (12 May 2009- )

Baron Bloomfield of Ciamhaltha, co. Tipperary    [United Kingdom, 1871]
  1st: John Arthur Douglas Bloomfield (7 Aug 1871-17 Aug 1879)

Baron Bloomfield of Oakhampton and Redwood, co. Tipperary    [Ireland, 1825]
  1st: Benjamin Bloomfield (14 May 1825-15 Aug 1846)
  2nd: John Arthur Douglas Bloomfield (15 Aug 1846-17 Aug 1879)

Baron Blundell of Edenberry, King's County    [Ireland, 1720]
  1st: Montague Blundell (22 Nov 1720-19 Aug 1756)

Baron Blyth, of Blythswood, Stansted-Mountfitchet, Essex    [United Kingdom, 1907]
  1st: James Blyth (19 Jul 1907-8 Feb 1925)
  2nd: Herbert William Blyth (8 Feb 1925-27 Feb 1943)
  3rd: Ian Audley James Blyth (27 Feb 1943-29 Oct 1977)
  4th: Anthony Audley Rupert Blyth (29 Oct 1977-20 Jan 2009)
  5th: James Audley Ian Blyth (20 Jan 2009- )

Baron Blythswood, co. Renfrew    [United Kingdom, 1892]
  1st: Archibald Campbell (24 Aug 1892-8 Jul 1908)
  2nd: Sholto Campbell (8 Jul 1908-30 Sep 1916)
  3rd: Barrington Bulkeley Campbell (30 Sep 1916-13 Mar 1918)
  4th: Archibald Campbell (13 Mar 1918-14 Nov 1929)
  5th: Barrington Sholto Douglas Campbell (14 Nov 1929-3 Mar 1937)
  6th: Leopold Colin Henry Douglas Campbell (3 Mar 1937-8 Feb 1940)
  7th: Philip Archibald Douglas Campbell (8 Feb 1940-14 Sep 1940)

Baroness Bolsover, of Bolsover Castle, co. Derby    [United Kingdom, 1880]
  1st: Augusta Mary Elizabeth Browne (23 Apr 1880-7 Aug 1893)
  2nd: William John Arthur Charles James Cavendish-Bentinck (7 Aug 1893-26 Apr 1943)
  3rd: William Arthur Henry Cavendish-Bentinck (26 Apr 1943-21 Mar 1977)
  4th: Ferdinand William Cavendish-Bentinck (21 Mar 1977-13 Dec 1980)
  5th: Victor Frederick William Cavendish-Bentinck (13 Dec 1980-30 Jul 1990)

Baron Bolton of Bolton Castle, co. York    [Great Britain, 1797]
  1st: Thomas Orde-Powlett (20 Oct 1797-30 Jul 1807)
  2nd: William Orde-Powlett (30 Jul 1807-13 Jul 1850)
  3rd: William Henry Orde-Powlett (13 Jul 1850-7 Nov 1895)
  4th: William Thomas Orde-Powlett (7 Nov 1895-14 Aug 1922)
  5th: William George Algar Orde-Powlett (14 Aug 1922-11 Dec 1944)
  6th: Nigel Amyas Orde-Powlett (11 Dec 1944-15 Jun 1963)
  7th: Richard William Algar Orde-Powlett (15 Jun 1963-29 Jul 2001)
  8th: Harry Algar Nigel Orde-Powlett (29 Jul 2001- )

Baron Boothby, of Buchan and Rattray Head, co. Aberdeen    [United Kingdom, 1958]
  1st: Robert John Graham Boothby (22 Aug 1958-16 Jul 1986)

Baron Boringdon of Boringdon, co. Devon    [Great Britain, 1784]
  1st: John Parker (17 May 1784-27 Apr 1788)
  2nd: John Parker (27 Apr 1788-14 Mar 1840)
  3rd: Edmund Parker (14 Mar 1840-28 Apr 1864)
  4th: Albert Edmund Parker (28 Aug 1864-26 Feb 1905)
  5th: Edmund Robert Parker (26 Feb 1905-10 Oct 1951)
  6th: Montagu Brownlow Parker (10 Oct 1951-28 Apr 1962)
  7th: John St. Aubyn Parker (28 Apr 1962- )

Lord Borthwick    [Scotland, 1452]
  1st: William Borthwick (12 Jun 1452-c 6 Dec 1483)
  2nd: William Borthwick (a 1467-fr 1483-1484)
  3rd: William Borthwick (fr 1483-1484-9 Sep 1513)
  4th: William Borthwick (20 May 1503-fr 1543-1544)
  5th: John Borthwick (1544-28 Mar 1566)
  6th: William Borthwick (Mar 1566-Oct 1582)
  7th: James Borthwick (Oct 1582-Dec 1599)
  8th: John Borthwick (Dec 1599-Nov 1623)
  9th: John Borthwick (Nov 1623-bt 1674-1675)
10th: William Borthwick (bt 1673-1675-bt 1687-1690)
11th: William Borthwick (bt 1687-1690-23 May 1706)
12th: Henry Borthwick (23 May 1706-27 May 1706)
13th: William Borthwick (27 May 1706-b 28 Nov 1723)
14th: Henry Borthwick (1727-6 Sep 1772)
15th: Patrick Borthwick (6 Sep 1772-6 Oct 1772)
16th: Archibald Borthwick (6 Oct 1772-13 Jul 1815)
17th: Patrick Borthwick (13 Jul 1815-12 Apr 1840)
18th: Archibald Borthwick (12 Apr 1840-3 Jul 1863)
19th: Cunninghame Borthwick (3 Jul 1863-24 Dec 1885)
20th: Archibald Patrick Thomas Borthwick (24 Dec 1885-4 Oct 1910)
21st: William Henry Borthwick (4 Oct 1910-8 Oct 1928)
22nd: Henry Borthwick (8 Oct 1928-27 May 1937)
23rd: John Henry Stuart Borthwick (1986-30 Dec 1996)
24th: John Hugh Borthwick (30 Sep 1996- )

Baron Borwick, of Hawkshead, co. Lancaster    [United Kingdom, 1922]
  1st: Robert Hudson Borwick (17 Jul 1922-27 Jan 1936)
  2nd: George Borwick (27 Jan 1936-27 Jan 1941)
  3rd: Robert Geoffrey Borwick (27 Jan 1941-30 Jan 1961)
  4th: James Hugh Myles Borwick (30 Jan 1961-Apr 2007)
  5th: Geoffrey Robert James Borwick (Apr 2007- )

Baron of Boscawen Rose, co. Cornwall    [Great Britain, 1720]
  1st: Hugh Boscawen (9 Jun 1720-25 Oct 1734)
  2nd: Hugh Boscawen (25 Oct 1734-4 Feb 1782)
  3rd: George Evelyn Boscawen (4 Feb 1782-8 Feb 1808)
  4th: Edward Boscawen (8 Feb 1808-29 Dec 1841)
  5th: George Henry Boscawen (29 Dec 1841-29 Aug 1852)
  6th: Evelyn Boscawen (29 Aug 1852-6 Nov 1889)
  7th: Evelyn Edward Thomas Boscawen (6 Nov 1889-1 Oct 1918)
  8th: Evelyn Hugh John Boscawen (1 Oct 1918-18 Feb 1962)
  9th: George Hugh Boscawen (18 Feb 1962- )

Baron Boston, of Boston, co. Lincoln    [Great Britain, 1761]
  1st: William Irby (10 Apr 1761-30 Mar 1775)
  2nd: Frederick Irby (30 Mar 1775-23 Mar 1825)
  3rd: George Irby (23 Mar 1825-12 Mar 1856)
  4th: George Ives Irby (12 Mar 1856-22 Dec 1869)
  5th: Florance George Henry Irby (22 Dec 1869-4 Jan 1877)
  6th: George Florance Irby (4 Jan 1877-16 Sep 1941)
  7th: Greville Northey Irby (16 Sep 1941-16 Sep 1958)
  8th: Cecil Eustace Irby (16 Sep 1958-12 Oct 1972)
  9th: Gerald Howard Boteler Irby (12 Oct 1972-17 Feb 1978)
10th: Timothy George Frank Boteler Irby (17 Feb 1978-3 Feb 2007)
11th: George William Eustace Boteler Irby (3 Feb 2007- )

Baron of Bosworth, co. Leicester    [England, 1687]
  1st: James FitzJames (19 Mar 1687-12 Jun 1734)

Baron Boteler of Brantfield, co. Hertford    [England, 1628]
  1st: John Boteler (30 Jul 1628-27 May 1637)
  2nd: William Boteler (27 May 1637-1647)

Baron Botetourt of Langport, co. Somerset    [England, 1664]
  1st: Charles Berkeley (17 Mar 1664-1665)

Lord Bothwell, of Balmain and Fasque, Kinchardineshire    [Scotland, 1483]
  1st: John Ramsay (b 16 Feb 1483-9 Sep 1513)

Lord Bothwell and Hartside    [Scotland, 1651]
  1st: Archibald Douglas (3 Apr 1651-16 Apr 1655)

Baron Bottesford of Bottesford, co. Leicester    [United Kingdom, 1835]
  1st: Charles Manners-Sutton (10 Mar 1835-21 Jul 1845)
  2nd: Charles John Manners-Sutton (21 Jul 1845-13 Nov 1869)
  3rd: John Henry Thomas Manners-Sutton (13 Nov 1869-24 Jun 1877)
  4th: Henry Charles Manners-Sutton (23 Jun 1877-19 Feb 1914)
  5th: Henry Frederick Walpole Manners-Sutton (19 Feb 1914-22 Oct 1918)
  6th: Charles Graham Manners-Sutton (22 Oct 1918-26 Feb 1941)

Lord Bourke, Baron of Brittas, co. Limerick    [Ireland, 1618]
  1st: Theobald Bourke (17 Feb 1618-1654)
  2nd: John Bourke (1654-6 Jan 1659)
  3rd: Theobald Bourke (6 Jan 1659-bt 1705-1706)

Baron Bourke of Bophin, co. Galway    [Ireland, 1689]
  1st: John Bourke (2 Apr 1689-17 Oct 1722)

Baron Bourke of Connell, in Ireland    [Ireland, 1580]
  1st: William Bourke (16 May 1580-1584)
  2nd: John Bourke (1584-14 Jan 1592)
  3rd: Richard Bourke (14 Jan 1592-c 26 Jan 1600)
  4th: Edmund Bourke (c 26 Jan 1600-26 Mar 1638)
  5th: William Bourke (26 Mar 1638-c 1665)
  6th: Thomas Bourke (c 1665-1687)
  7th: William Bourke (1687- )

Lord Bowes of Clonlyon, co. Meath    [Ireland, 1758]
  1st: John Bowes (15 Aug 1758-22 Jul 1767)

Lord Boyd of Kilmarnock    [Scotland, 1454]
  1st: Robert Boyd (c 18 Jul 1454-bt 1480-1482)
  2nd: James Boyd (c 1482-1484)
  3rd: Alexander Boyd (1484-a 26 Jun 1508)
  4th: Robert Boyd (a 1508-bt 1557-1558)
  5th: Robert Boyd (c 1558-3 Jan 1590)
  6th: Thomas Boyd (3 Jan 1590-Jun 1611)
  7th: Robert Boyd (Jun 1611-28 Aug 1628)
  8th: Robert Boyd (28 Aug 1628-17 Nov 1640)
  9th: James Boyd (17 Nov 1640-c Mar 1654)
10th: William Boyd (Mar 1654-Mar 1692)
11th: William Boyd (Mar 1692-20 May 1692)
12th: William Boyd (29 May 1692-Sep 1717)
13th: William Boyd (Sep 1717-18 Aug 1746)

Baron Boyd-Orr, of Brechin Mearn, co. Angus    [United Kingdom, 1949]
  1st: John Boyd-Orr (9 Mar 1949-25 Jun 1971)

Lord Boyle, Baron of Broghill    [Ireland, 1628]
  1st: Roger Boyle (28 Feb 1628-16 Oct 1679)
  2nd: Roger Boyle (16 Oct 1679-29 Mar 1682)
  3rd: Lionel Boyle (29 Mar 1682-24 Aug 1703)
  4th: Charles Boyle (24 Aug 1703-28 Aug 1731)
  5th: John Boyle (11 Sep 1731-23 Nov 1762)
  6th: Hamilton Boyle (23 Nov 1762-17 Jan 1764)
  7th: Edmund Boyle (17 Jan 1764-6 Oct 1798)
  8th: Edmund Boyle (6 Oct 1798-29 Jun 1856)
  9th: Richard Edmund St. Lawrence Boyle (29 Jun 1856-22 Jun 1904)
10th: Charles Spencer Boyle (22 Jun 1904-25 Mar 1925)
11th: Robert John Lascelles Boyle (25 Mar 1925-13 Oct 1934)
12th: William Henry Dudley Boyle (13 Oct 1934-19 Apr 1967)
13th: Patrick Reginald Boyle (19 Apr 1967-8 Aug 1995)
14th: John William Boyle (8 Aug 1995-14 Nov 2003)
15th: John Richard Boyle (14 Nov 2003- )

Lord Boyle, Baron of Youghal, co. Cork    [Ireland, 1616]
  1st: Richard Boyle (6 May 1616-15 Sep 1643)
  2nd: Richard Boyle (15 Sep 1643-15 Jan 1698)
  3rd: Charles Boyle (13 Jan 1698-9 Feb 1704)
  4th: Richard Boyle (9 Feb 1704-3 Dec 1753)
  5th: John Boyle (3 Dec 1753-23 Nov 1762)
  6th: Hamilton Boyle (23 Nov 1762-17 Jan 1764)
  7th: Edmund Boyle (17 Jan 1764-6 Oct 1798)
  8th: Edmund Boyle (6 Oct 1798-29 Jun 1856)
  9th: Richard Edmund St. Lawrence Boyle (29 Jun 1856-22 Jun 1904)
10th: Charles Spencer Boyle (22 Jun 1904-25 Mar 1925)
11th: Robert John Lascelles Boyle (25 Mar 1925-13 Oct 1934)
12th: William Henry Dudley Boyle (13 Oct 1934-19 Apr 1967)
13th: Patrick Reginald Boyle (19 Apr 1967-8 Aug 1995)
14th: John William Boyle (8 Aug 1995-14 Nov 2003)
15th: John Richard Boyle (14 Nov 2003- )

Baron Boyle, co. Wicklow    [Ireland, 1673]
  1st: Murrough Boyle (23 Aug 1673-26 Apr 1718)
  2nd: Charles Boyle (26 Apr 1718-2 Jun 1732)

Lord Boyle, of Kelburn, Stewartoun, Finnick, Largs and Dalry    [Scotland, 1699]
  1st: David Boyle (31 Jan 1699-31 Oct 1733)
  2nd: John Boyle (31 Oct 1733-22 May 1740)
  3rd: John Boyle (22 May 1740-7 Mar 1775)
  4th: George Boyle (7 Mar 1775-3 Jul 1843)
  5th: James Carr-Boyle (3 Jul 1843-11 Mar 1869)
  6th: George Frederick Boyle (11 Mar 1869-23 Apr 1890)
  7th: David Boyle (23 Apr 1890-13 Dec 1915)
  8th: Patrick James Boyle (13 Dec 1915-14 Dec 1963)
  9th: David William Maurice Boyle (14 Dec 1963-8 Jun 1984)
10th: Patrick Robin Archibald Boyle (8 Jun 1984- )

Lord Boyle, of Stewartoun, Cumbraes, Fenwick, Largs and Dalry    [Scotland, 1703]
  1st: David Boyle (12 Apr 1703-31 Oct 1733)
  2nd: John Boyle (31 Oct 1733-22 May 1740)
  3rd: John Boyle (22 May 1740-7 Mar 1775)
  4th: George Boyle (7 Mar 1775-3 Jul 1843)
  5th: James Carr-Boyle (3 Jul 1843-11 Mar 1869)
  6th: George Frederick Boyle (11 Mar 1869-23 Apr 1890)
  7th: David Boyle (23 Apr 1890-13 Dec 1915)
  8th: Patrick James Boyle (13 Dec 1915-14 Dec 1963)
  9th: David William Maurice Boyle (14 Dec 1963-8 Jun 1984)
10th: Patrick Robin Archibald Boyle (8 Jun 1984- )

Baron Boyle of Marston, co. Somerset    [Great Britain, 1711]
  1st: Charles Boyle (5 Sep 1711-28 Aug 1731)
  2nd: John Boyle (28 Aug 1731-23 Nov 1762)
  3rd: Hamilton Boyle (23 Nov 1762-17 Jan 1764)
  4th: Edmund Boyle (17 Jan 1764-6 Oct 1798)
  5th: Edmund Boyle (6 Oct 1798-29 Jun 1856)
  6th: Richard Edmund St. Lawrence Boyle (29 Jun 1856-22 Jun 1904)
  7th: Charles Spencer Boyle (22 Jun 1904-25 Mar 1925)
  8th: Robert John Lascelles Boyle (25 Mar 1925-13 Oct 1934)
  9th: William Henry Dudley Boyle (13 Oct 1934-19 Apr 1967)
10th: Patrick Reginald Boyle (19 Apr 1967-8 Aug 1995)
11th: John William Boyle (8 Aug 1995-14 Nov 2003)
12th: John Richard Boyle (14 Nov 2003- )

Baron Brabazon of Tara, of Sandwich, co. Kent    [United Kingdom, 1942]
  1st: John Theodore Cuthbert Moore-Brabazon (27 Apr 1942-17 May 1964)
  2nd: Derek Charles Moore-Brabazon (17 May 1964-11 Dec 1974)
  3rd: Ivor Anthony Moore-Brabazon (11 Dec 1974- )

Lord Brabazon, Baron of Ardee, co. Louth    [Ireland, 1616]
  1st: Edward Brabazon (19 Jul 1616-7 Aug 1625)
  2nd: William Brabazon (7 Aug 1625-c 16 Dec 1651)
  3rd: Edward Brabazon (c 16 Dec 1651-25 Mar 1675)
  4th: William Brabazon (30 Oct 1665-c 27 Feb 1685)
  5th: Edward Brabazon (c 28 Feb 1685-22 Feb 1708)
  6th: Chambre Brabazon (22 Feb 1707-1 Apr 1715)
  7th: Chaworth Brabazon (9 Mar 1715-14 May 1763)
  8th: Edward Brabazon (14 May 1763-24 Nov 1772)
  9th: Anthony Brabazon (24 Nov 1772-4 Jan 1790)
10th: William Brabazon (4 Jan 1790-26 May 1797)
11th: John Chambré Brabazon (26 May 1797-15 Mar 1851)
12th: William Brabazon (15 Mar 1851-26 May 1887)
13th: Reginald Brabazon (26 May 1887-11 Oct 1929)
14th: Reginald le Normand Brabazon (11 Oct 1929-10 Mar 1949)
15th: Anthony Windham Normand Brabazon (10 Mar 1949-19 Dec 1998)
16th: John Anthony Brabazon (19 Dec 1998- )

Baron Brabourne of Brabourne, Kent    [United Kingdom, 1880]
  1st: Edward Hugessen Knatchbull-Hugessen (26 May 1880-6 Feb 1893)
  2nd: Edward Knatchbull-Hugessen (6 Feb 1893-29 Dec 1909)
  3rd: Wyndham Wentworth Knatchbull-Hugessen (29 Dec 1909-11 Mar 1915)
  4th: Cecil Marcus Knatchbull-Hugessen (11 Mar 1915-15 Feb 1933)
  5th: Michael Herbert Rudolf Knatchbull (15 Sep 1933-23 Feb 1939)
  6th: Norton Cecil Michael Knatchbull (23 Feb 1939-15 Sep 1943)
  7th: John Ulick Knatchbull (15 Sep 1943-22 Sep 2005)
  8th: Norton Louis Philip Knatchbull (23 Sep 2005- )

Baron Braco of Kilbryde, co. Cavan    [Ireland, 1735]
  1st: William Duff (28 Jul 1735-30 Sep 1763)
  2nd: James Duff (30 Sep 1763-24 Jan 1809)
  3rd: James Duff (17 Apr 1811-9 Mar 1857)
  3rd: Alexander Duff (24 Jan 1809-17 Apr 1811)
  5th: James Duff (9 Mar 1857-7 Aug 1879)
  6th: Alexander William George Duff (7 Aug 1879-29 Jan 1912)

Baron Bradbury, of Winsford, co. Chester    [United Kingdom, 1925]
  1st: John Swanwick Bradbury (28 Jan 1925-3 May 1950)
  2nd: John Bradbury (3 May 1950-31 Mar 1994)
  3rd: John Bradbury (31 Mar 1994- )

Baron Bradford of Bradford, co. Shropshire    [Great Britain, 1794]
  1st: Henry Bridgeman (13 Aug 1794-5 Jun 1800)
  2nd: Orlando Bridgeman (5 Jun 1800-7 Sep 1825)
  3rd: George Augustus Frederick Henry Bridgeman (7 Sep 1825-22 Mar 1865)
  4th: Orlando George Charles Bridgeman (22 Mar 1865-9 Mar 1898)
  5th: George Cecil Orlando Bridgeman (9 Mar 1898-2 Jan 1915)
  6th: Orlando Bridgeman (2 Jan 1915-21 Mar 1957)
  7th: Gerald Michael Orlando Bridgeman (21 Mar 1959-30 Aug 1981)
  8th: Richard Thomas Orlando Bridgeman (30 Aug 1981- )

Baron Brain, of Eynsham, co. Oxford    [United Kingdom, 1962]
  1st: Walter Russell Brain (26 Jan 1962-29 Dec 1966)
  2nd: Christopher Langdon Brain (29 Dec 1966-15 Aug 2014)
  3rd: Michael Cottrell Brain (15 Aug 2014- )

Baron Braintree, of Braintree, co. Essex    [United Kingdom, 1948]
  1st: Valentine George Crittall (9 Feb 1948-21 May 1961)

Baron Brampton of Brampton, co. Huntingdon    [United Kingdom, 1899]
  1st: Henry Hawkins (27 Jan 1899-6 Oct 1907)

Baron Bramwell of Hever, Kent    [United Kingdom, 1882]
  1st: George William Wilshire Bramwell (3 Feb 1882-9 May 1892)

Baron Brancepeth, co. Durham    [England, 1613]
  1st: Robert Carr (3 Nov 1613-c Jul 1645)

Baron Brancepeth, of Brancepeth, co. Durham    [United Kingdom, 1866]
  1st: Gustavus Frederick John James Hamilton-Russell (31 Aug 1866-27 Oct 1872)
  2nd: Gustavus Russell Hamilton-Russell (27 Oct 1872-30 Dec 1907)
  3rd: Gustavus William Hamilton-Russell (30 Dec 1907-18 Jan 1942)
  4th: Gustavus Michael George Hamilton-Russell (18 Jan 1942-14 Dec 1995)
  5th: Gustavus Michael Stucley Hamilton-Russell (14 Dec 1995- )

Baron Brand, of Eydon, co. Northampton    [United Kingdom, 1946]
  1st: Robert Henry Brand (17 Jul 1946-23 Aug 1963)

Baron Branden, of Brandon, co. Kerry    [Ireland, 1758]
  1st: Maurice Crosbie (16 Sep 1758-13 Jan 1762)
  2nd: William Crosbie (13 Jan 1762-11 Apr 1781)
  3rd: John Crosbie (11 Apr 1781-23 Oct 1815)
  4th: William Crosbie (23 Oct 1815-3 May 1832)

Baron Brassey of Apethorpe, of Apethorpe, co. Northampton    [United Kingdom, 1938]
  1st: Henry Leonard Campbell Brassey (26 Jan 1938-22 Oct 1958)
  2nd: Bernard Thomas Brassey (22 Oct 1958-28 Jun 1967)
  3rd: David Henry Brassey (28 Jun 1967- )

Baron Brassey of Bulkeley, co. Chester    [United Kingdom, 1886]
  1st: Thomas Brassey (16 Aug 1886-23 Feb 1918)
  2nd: Thomas Allnutt Brassey (23 Feb 1918-12 Nov 1919)

Lord Braybrooke, Baron of Braybrooke, co. Northampton    [Great Britain, 1788]
  1st: John Griffin Griffin (5 Sep 1788-25 May 1797)
  2nd: Richard Griffin (25 May 1797-28 Feb 1825)
  3rd: Richard Griffin (28 Feb 1825-13 Mar 1858)
  4th: Richard Cornwallis Neville (13 Mar 1858-21 Feb 1861)
  5th: Charles Cornwallis Neville (21 Feb 1861-7 Jun 1902)
  6th: Latimer Neville (7 Jun 1902-12 Jan 1904)
  7th: Henry Neville (12 Jan 1904-9 Mar 1941)
  8th: Richard Henry Cornwallis Neville (9 Mar 1941-23 Jan 1943)
  9th: Henry Seymour Neville (23 Jan 1943-12 Feb 1990)
10th: Robin Henry Charles Neville (12 Feb 1990- )

Baron Breadalbane of Kenmore, co. Perth    [United Kingdom, 1873]
  1st: Gavin Campbell (25 Mar 1873-19 Oct 1922)

Baron Breadalbane of Taymouth Castle, co. Perth    [United Kingdom, 1806]
  1st: John Campbell (13 Nov 1806-29 Mar 1834)
  2nd: John Campbell (29 Mar 1834-8 Nov 1862)

Baron Brecon, of Llanfeigan, co. Brecknock    [United Kingdom, 1958]
  1st: David Vivian Penrose Lewis (30 Jan 1958-10 Oct 1976)

Baron Brereton of Leighlin, co. Carlow    [Ireland, 1624]
  1st: William Brereton (11 May 1624-1 Oct 1631)
  2nd: William Brereton (1 Oct 1631-c Apr 1664)
  3rd: William Brereton (c Apr 1664-17 Mar 1680)
  4th: John Brereton (17 Mar 1680-1718)
  5th: Francis Brereton (1718-c Apr 1722)

Baron Bridges, of Headley, co. Surrey and of St. Nicholas at Wade, co. Kent    [United Kingdom, 1957]
  1st: Edward Ettingdean Bridges (4 Feb 1957-27 Aug 1969)
  2nd: Thomas Edward Bridges (27 Aug 1969- )

Baron Bridport    [Ireland, 1794]
  1st: Alexander Hood (14 Nov 1794-3 May 1814)
  2nd: Samuel Hood (3 May 1814-6 Jan 1868)
  3rd: Alexander Hood (6 Jan 1868-4 Jun 1904)
  4th: Arthur Wellington Alexander Nelson Hood (4 Jun 1904-28 Mar 1924)
  5th: Rowland Arthur Herbert Nelson Hood (28 Mar 1924-25 Jul 1969)
  6th: Alexander Nelson Hood (25 Jul 1969- )

Baron Bridport of Cricket St. Thomas, co. Somerset    [Great Britain, 1796]
  1st: Alexander Hood (13 Jun 1796-3 May 1814)

Baron Broadbridge, of Brighton, co. Sussex    [United Kingdom, 1945]
  1st: George Thomas Broadbridge (14 Sep 1945-17 Apr 1952)
  2nd: Eric Wilberforce Broadbridge (17 Apr 1952-18 Nov 1972)
  3rd: Peter Hewett Broadbridge (18 Nov 1972-6 Feb 2000)
  4th: Martin Hugh Broadbridge (6 Feb 2000- )

Baron Brocket, of Brocket Hall, co. Hertford    [United Kingdom, 1933]
  1st: Charles Alexander Nall-Cain (19 Jan 1933-21 Nov 1934)
  2nd: Arthur Ronald Nall Nall-Cain (21 Nov 1934-1967)
  3rd: Charles Ronald George Nall-Cain (24 Mar 1967- )

Baron Brooke of Beauchamps Court, co. Warwick    [England, 1621]
  1st: Fulke Greville (29 Jan 1621-30 Sep 1628)
  2nd: Robert Greville (30 Sep 1628-2 Mar 1643)
  3rd: Francis Greville (2 Mar 1643-19 Nov 1658)
  4th: Robert Greville (Nov 1658-17 Feb 1677)
  5th: Fulke Greville (17 Feb 1677-22 Oct 1710)
  6th: Fulke Greville (22 Oct 1710-24 Feb 1711)
  7th: William Greville (3 Mar 1711-28 Jul 1727)
  8th: Francis Greville (28 Jul 1727-6 Jul 1773)
  9th: George Greville (6 Jul 1773-2 May 1816)
10th: Henry Richard Greville (2 May 1816-10 Aug 1853)
11th: George Guy Greville (10 Aug 1853-2 Dec 1893)
12th: Francis Richard Charles Guy Greville (2 Dec 1893-15 Jan 1924)
13th: Leopold Guy Francis Maynard Greville (15 Jan 1924-31 Jan 1928)
14th: Charles Guy Fulke Greville (31 Jan 1928-20 Jan 1984)
15th: David Robin Francis Guy Greville (20 Jan 1984-20 Jan 1996)
16th: Guy David Greville (20 Jan 1996- )

Baron Brooke of Oakley, of Oakley, co. Northumpton    [United Kingdom, 1939]
  1st: Arthur Richard Capell Brooke (4 Jul 1939-17 Nov 1944)

Baron Brotherton, of Wakefield, co. York    [United Kingdom, 1929]
  1st: Edward Allen Brotherton (17 Jun 1929-21 Oct 1930)

Baron Brougham and Vaux, of Brougham, Westmorland    [United Kingdom, 1830]
  1st: Henry Brougham (22 Nov 1830-7 May 1868)

Baron Brougham and Vaux, of Brougham, Westmorland and of Highhead Castle, Cumberland    [United Kingdom, 1860]
  1st: Henry Brougham (22 Mar 1860-7 May 1868)
  2nd: William Brougham (7 May 1868-3 Jan 1886)
  3rd: Henry Charles Brougham (3 Jan 1886-24 May 1927)
  4th: Victor Henry Peter Brougham (24 May 1927-20 Jun 1967)
  5th: Michael John Brougham (20 Jun 1967- )

Baron Broughshane, of Kensington, co. London    [United Kingdom, 1945]
  1st: William Henry Davison (19 Sep 1945-19 Jan 1954)
  2nd: Patrick Owen Alexander Davison (19 Jan 1954-22 Sep 1995)
  3rd: William Kensington Davison (22 Sep 1995-24 Mar 2006)

Baron Broughton of Broughton-de-Gyfford, Wiltshire    [United Kingdom, 1851]
  1st: John Cam Hobhouse (26 Feb 1851-3 Jun 1869)

Baron Brouncker of Newcastle, in the Province of Munster    [Ireland, 1645]
  1st: William Brouncker (12 Sep 1645-c Nov 1645)
  2nd: William Brouncker (Nov 1645-5 Apr 1684)
  3rd: Henry Brouncker (5 Apr 1684-4 Jan 1688)

Baron Brownlow of Belton, co. Lincoln    [Great Britain, 1776]
  1st: Brownlow Cust (20 May 1776-25 Dec 1807)
  2nd: John Cust (25 Dec 1807-15 Sep 1853)
  3rd: John William Spencer Brownlow Egerton-Cust (3 Jan 1851-20 Feb 1867)
  4th: Adelbert Wellington Brownlow Cust (20 Feb 1867-17 Mar 1921)
  5th: Adelbert Salusbury Cockayne Cust (17 Mar 1921-19 Apr 1927)
  6th: Peregrine Francis Adelbert Cust (19 Apr 1927-28 Jul 1978)
  7th: Edward John Peregrine Cust (28 Jul 1978- )

Lord Bruce of Kinloss    [Scotland, 1608]
  1st: Edward Bruce (3 May 1608-14 Jan 1611)
  2nd: Edward Bruce (14 Jan 1611-Aug 1613)
  3rd: Thomas Bruce (Aug 1613-21 Dec 1663)
  4th: Robert Bruce (21 Dec 1663-20 Oct 1685)
  5th: Thomas Bruce (20 Oct 1685-16 Dec 1741)
  6th: Charles Bruce (16 Dec 1741-10 Feb 1747)

Lord Bruce of Kinloss    [Scotland, 1633]
  1st: Thomas Bruce (21 Jun 1633-21 Dec 1663)
  2nd: Robert Bruce (21 Dec 1663-20 Oct 1685)
  3rd: Thomas Bruce (20 Oct 1685-16 Dec 1741)
  4th: Charles Bruce (16 Dec 1741-10 Feb 1747)
  5th: Charles Bruce (10 Feb 1747-14 May 1771)
  6th: William Robert Bruce (14 May 1771-15 Jul 1771)
  7th: Thomas Bruce (15 Jul 1771-14 Nov 1841)
  8th: James Bruce (14 Nov 1841-20 Nov 1863)
  9th: Victor Alexander Bruce (20 Nov 1863-18 Jan 1917)
10th: Edward James Bruce (18 Jan 1917-27 Nov 1968)
11th: Andrew Douglas Alexander Thomas Bruce (27 Nov 1968- )

Baron Bruce of Kinlosse    [Scotland, 1604]
  1st: Edward Bruce (8 Jul 1604-14 Jan 1611)
  2nd: Edward Bruce (14 Jan 1611-Aug 1613)
  3rd: Thomas Bruce (Aug 1613-21 Dec 1663)
  4th: Robert Bruce (21 Dec 1663-20 Oct 1685)
  5th: Thomas Bruce (20 Oct 1685-16 Dec 1741)
  6th: Charles Bruce (16 Dec 1741-10 Feb 1747)

Baron Bruce of Skelton, co. York    [England, 1665]
  1st: Robert Bruce (18 Mar 1665-20 Oct 1685)
  2nd: Thomas Bruce (20 Oct 1685-16 Dec 1741)
  3rd: Charles Bruce (16 Dec 1741-10 Feb 1747)

Lord Bruce of Torry    [Scotland, 1647]
  1st: Edward Bruce (26 Dec 1647-1662)
  2nd: Alexander Bruce (1662-9 Jul 1680)
  3rd: Alexander Bruce (9 Jul 1680-10 Nov 1705)
  4th: Alexander Bruce (10 Nov 1705-10 Oct 1706)
  5th: Robert Bruce (10 Oct 1706-1718)
  6th: Alexander Bruce (1718-1721)
  7th: Thomas Bruce (1721-23 Mar 1740)
  8th: William Bruce (23 Mar 1740-8 Sep 1740)
  9th: Charles Bruce (8 Sep 1740-14 May 1771)
10th: William Robert Bruce (14 May 1771-15 Jul 1771)
11th: Thomas Bruce (15 Jul 1771-14 Nov 1841)
12th: James Bruce (14 Nov 1841-20 Nov 1863)
13th: Victor Alexander Bruce (20 Nov 1863-18 Jan 1917)
14th: Edward James Bruce (18 Jan 1917-27 Nov 1968)
15th: Andrew Douglas Alexander Thomas Bruce (27 Nov 1968- )

Baron Bruce of Tottenham, Wiltshire    [Great Britain, 1746]
  1st: Charles Bruce (17 Apr 1746-10 Feb 1747)
  2nd: Thomas Brudenell-Bruce (10 Feb 1747-19 Apr 1814)
  3rd: Charles Brudenell-Bruce (19 Apr 1814-4 Jan 1856)
  4th: George William Frederick Brudenell-Bruce (10 Jul 1838-6 Jan 1878)
  5th: Ernest Augustus Charles Brudenell-Bruce (6 Jan 1878-18 Oct 1886)
  6th: George William Thomas Brudenell-Bruce (18 Oct 1886-10 Apr 1894)
  7th: Henry Augustus Brudenell-Bruce (10 Apr 1894-10 Mar 1911)
  8th: George William James Chandos Brudenell-Bruce (10 Mar 1911-4 Aug 1961)
  9th: Chandos Sydney Cedric Brudenell-Bruce (4 Aug 1961-15 Jul 1974)
10th: Michael Sydney Cedric Brudenell-Bruce (15 Jul 1974- )

Baron Bruce of Whorlton, co. York    [England, 1641]
  1st: Thomas Bruce (29 Jul 1641-21 Dec 1663)
  2nd: Robert Bruce (21 Dec 1663-20 Oct 1685)
  3rd: Thomas Bruce (20 Oct 1685-16 Dec 1741)
  4th: Charles Bruce (29 Dec 1711-10 Feb 1747)

Baron Brudenell of Deene, co. Northampton    [Great Britain, 1780]
  1st: James Brudenell (17 Oct 1780-24 Feb 1811)

Baron Brudenell of Stonton, co. Leicester    [England, 1628]
  1st: Thomas Brudenell (26 Feb 1628-16 Sep 1663)
  2nd: Robert Brudenell (16 Sep 1663-16 Jul 1703)
  3rd: George Brudenell (16 Jul 1703-5 Jul 1732)
  4th: George Montagu (5 Jul 1732-23 May 1790)
  5th: James Brudenell (23 May 1790-24 Feb 1811)
  6th: Robert Brudenell (24 Feb 1811-14 Aug 1837)
  7th: James Thomas Brudenell (14 Aug 1837-28 Mar 1868)
  8th: George William Frederick Brudenell-Bruce (28 Mar 1868-6 Jan 1878)
  9th: Ernest Augustus Charles Brudenell-Bruce (6 Jan 1878-18 Oct 1886)
10th: George William Thomas Brudenell-Bruce (18 Oct 1886-10 Apr 1894)
11th: Henry Augustus Brudenell-Bruce (10 Apr 1894-10 Mar 1911)
12th: George William James Chandos Brudenell-Bruce (10 Mar 1911-4 Aug 1961)
13th: Chandos Sydney Cedric Brudenell-Bruce (4 Aug 1961-15 Jul 1974)
14th: Michael Sydney Cedric Brudenell-Bruce (15 Jul 1974- )

Baron Bruntisfield, of Boroughmuir, in the City of Edinburgh    [United Kingdom, 1942]
  1st: Victor Alexander George Anthony Warrender (9 Mar 1942-14 Jan 1993)
  2nd: John Robert Warrender (14 Jan 1993-14 Jul 2007)
  3rd: Michael John George Warrender (14 Jul 2007- )

Baron of Buckhurst, Sussex    [England, 1567]
  1st: Thomas Sackville (8 Jun 1567-19 Apr 1608)

Baroness Buckhurst of Buckhurst, co. Sussex    [United Kingdom, 1864]
  1st: Elizabeth Sackville (27 Apr 1864-9 Jan 1870)
  2nd: Reginald Windsor Sackville (9 Jan 1870-5 Jan 1896)
  3rd: Gilbert George Reginald Sackville (5 Jan 1896-16 Dec 1915)
  4th: Herbrand Edward Dundonald Brassey Sackville (16 Dec 1915-28 Jan 1976)
  5th: William Herbrand Sackville (28 Jan 1976-9 Feb 1988)
  6th: William Herbrand Sackville (9 Feb 1988- )

Baron Buckland, of Bwlch, co. Brecknock    [United Kingdom, 1926]
  1st: Henry Seymour Berry (16 Jul 1926-23 May 1928)

Baron Buckmaster, of Cheddington, co. Buckingham    [United Kingdom, 1915]
  1st: Stanley Owen Buckmaster (14 Jun 1915-5 Dec 1934)
  2nd: Owen Stanley Buckmaster (5 Dec 1934-25 Sep 1974)
  3rd: Martin Stanley Buckmaster (25 Sep 1974-8 Jun 2007)
  4th: Adrian Charles Buckmaster (8 Jun 2007- )

Lord Bulkeley, Baron of Beaumaris, co. Anglesey    [Great Britain, 1784]
  1st: Thomas James Warren-Bulkeley (14 May 1784-3 Jun 1822)

Baron Burden, of Hazelbarrow, co. Derby    [United Kingdom, 1950]
  1st: Thomas William Burden (1 Feb 1950-27 May 1970)
  2nd: Philip William Burden (27 May 1970-1995)
  3rd: Andrew Philip Burden (1995- )

Baroness Burdett-Coutts, of Highgate and Brookfield, co. Middlesex    [United Kingdom, 1871]
  1st: Angela Georgina Burdett-Coutts (9 Jun 1871-30 Dec 1906)

Baron Burghclere of Walden, Essex    [United Kingdom, 1895]
  1st: Herbert Colstoun Gardner (3 Aug 1895-6 May 1921)

Baron Burghersh, co. Sussex    [England, 1624]
  1st: Francis Fane (29 Dec 1624-23 Mar 1628)
  2nd: Mildmay Fane (23 Mar 1628-12 Feb 1666)
  3rd: Charles Fane (12 Feb 1666-18 Sep 1691)
  4th: Vere Fane (22 Sep 1691-29 Dec 1693)
  5th: Vere Fane (29 Sep 1693-19 May 1698)
  6th: Thomas Fane (19 May 1698-4 Jun 1736)
  7th: John Fane (4 Jun 1736-26 Aug 1762)
  8th: Thomas Fane (26 Aug 1762-12 Nov 1771)
  9th: John Fane (12 Nov 1771-25 Apr 1774)
10th: John Fane (25 Apr 1774-15 Dec 1841)
11th: John Fane (15 Dec 1841-16 Oct 1859)
12th: Francis William Henry Fane (16 Oct 1859-3 Aug 1891)
13th: Anthony Mildmay Julian Fane (3 Aug 1891-9 Jun 1922)
14th: Vere Anthony Francis St. Clair Fane (9 Jun 1922-12 May 1948)
15th: David Anthony Thomas Fane (12 May 1948-1993)
16th: Anthony David Francis Henry Fane (1993- )

Baron of Burghley, co. Northampton    [England, 1571]
  1st: William Cecil (25 Feb 1571-4 Aug 1598)
  2nd: Thomas Cecil (4 Aug 1598-8 Feb 1623)
  3rd: William Cecil (8 Feb 1623-6 Jul 1640)
  4th: David Cecil (6 Jul 1640-18 Apr 1643)
  5th: John Cecil (18 Apr 1643-18 Mar 1678)
  6th: John Cecil (18 Mar 1678-29 Aug 1700)
  7th: John Cecil (29 Aug 1700-24 Dec 1721)
  8th: John Cecil (24 Dec 1721-9 Apr 1722)
  9th: Brownlow Cecil (9 Apr 1722-3 Nov 1754)
10th: Brownlow Cecil (3 Nov 1754-26 Dec 1793)
11th: Henry Cecil (26 Dec 1793-1 May 1804)
12th: Brownlow Cecil (1 May 1804-16 Jan 1867)
13th: William Alleyne Cecil (16 Jan 1867-14 Jul 1895)
14th: Brownlow Henry George Cecil (14 Jul 1895-9 Apr 1918)
15th: William Thomas Brownlow Cecil (9 Apr 1918-6 Aug 1956)
16th: David George Brownlow Cecil (6 Aug 1956-21 Oct 1981)
17th: William Martin Alleyne Cecil (21 Oct 1981-1988)
18th: William Michael Anthony Cecil (1988- )

Baron Burnell of East Wittenham, Berks    [England, 1658]
  1st: Edmund Dunch (26 Apr 1658-c Jul 1678)
  2nd: Hungerford Dunch (c Jul 1678-9 Nov 1680)
  3rd: Edmund Dunch (9 Nov 1680-31 May 1719)

Baron Burnham, of Hall Barn, Beaconsfield, co. Bucks    [United Kingdom, 1903]
  1st: Edward Levy-Lawson (31 Jul 1903-9 Jan 1916)
  2nd: Harry Lawson Webster Levy-Lawson (9 Jan 1916-20 Jul 1933)
  3rd: William Arnold Webster Levy-Lawson (20 Jul 1933-14 Jun 1943)
  4th: Edward Frederick Lawson (14 Jun 1943-4 Jul 1963)
  5th: William Edward Harry Lawson (4 Jul 1963-1993)
  6th: Hugh John Frederick Lawson (1993-1 Jan 2005)
  7th: Harry Frederick Alan Lawson (1 Jan 2005- )

Baron Burton, of Burton, co. Stafford    [Great Britain, 1712]
  1st: Henry Paget (1 Jan 1712-30 Aug 1743)
  2nd: Henry Paget (30 Aug 1743-16 Nov 1769)

Baron Burton of Burton-on-Trent and of Rangemore, co. Stafford    [United Kingdom, 1897]
  1st: Michael Arthur Bass (29 Nov 1897-1 Feb 1909)
  2nd: Nellie Lisa Bass (1 Feb 1909-28 May 1962)
  3rd: Michael Evan Victor Baillie (28 May 1962-30 May 2013)
  4th: Evan Michael Ronald Baillie (30 May 2013- )

Baron Burton of Rangemore and of Burton-on-Trent, co. Stafford    [United Kingdom, 1886]
  1st: Michael Arthur Bass (13 Aug 1886-1 Feb 1909)

Baron Butler, of Lanthony, co. Monmouth    [United Kingdom, 1801]
  1st: Walter Butler (20 Jan 1801-10 Aug 1820)

Baron Butler, of Mount Juliet, co. Kilkenny    [United Kingdom, 1912]
  1st: Charles Ernest Alfred French Somerset Butler (8 Jul 1912-2 Nov 1931)
  2nd: Theobald Walter Somerset Henry Butler (2 Nov 1931-31 Jul 1957)
  3rd: Brian Stuart Theobald Somerset Caher Butler (31 Jul 1957-c 8 Oct 1992)
  4th: David James Theobald Somerset Butler (1992-8 Jan 2008)
  5th: Arion Thomas Piers Hamilton Butler (8 Jan 2008- )

Baron Butler, of Weston, co. Huntingdon    [England, 1673]
  1st: Richard Butler (27 Aug 1673-25 Jan 1686)

Baron Butler of Cloughgrenan    [Ireland, 1662]
  1st: Richard Butler (13 May 1662-25 Jan 1686)

Baron Butler of Weston, co. Huntingdon    [England, 1694]
  1st: Charles Butler (23 Jan 1694-17 Dec 1758)

Baron Byng of Southhill, co. Bedford    [Great Britain, 1721]
  1st: George Byng (21 Sep 1721-17 Jan 1733)

Baron Byng of Vimy, of Thorpe-le-Soken, co. Essex    [United Kingdom, 1919]
  1st: Julian Hedworth George Byng (7 Oct 1919-6 Jun 1935)

Lord Byres and Binning    [Scotland, 1619]
  1st: Thomas Hamilton (20 Mar 1619-29 May 1637)

Lord Byres and Binning    [Scotland, 1627]
  2nd: Thomas Hamilton (29 May 1637-30 Aug 1640)
  3rd: Thomas Hamilton (30 Aug 1640-8 Feb 1645)
  4th: John Hamilton (8 Feb 1645-31 Aug 1669)
  5th: Charles Hamilton (31 Aug 1669-May 1685)
  6th: Thomas Hamilton (May 1685-28 Nov 1735)
  7th: Thomas Hamilton (28 Nov 1735-19 May 1794)
  8th: Charles Hamilton (19 May 1794-17 Mar 1828)
  9th: Thomas Hamilton (17 Mar 1858-1 Dec 1858)
10th: George Baillie-Hamilton (1 Dec 1858-25 Jun 1870)
11th: George Baillie-Hamilton (25 Jun 1870-11 Jun 1917)
12th: George Baillie-Hamilton (11 Jun 1917-1986)
13th: John George Baillie-Hamilton (1986- )

Baron Byron of Rochdale, co. Lancaster    [England, 1643]
  1st: John Byron (24 Oct 1643-Aug 1652)
  2nd: Richard Byron (Aug 1652-4 Oct 1679)
  3rd: William Byron (4 Oct 1679-13 Nov 1695)
  4th: William Byron (13 Nov 1695-8 Aug 1736)
  5th: William Byron (8 Aug 1736-19 May 1798)
  6th: George Gordon Noel (19 May 1798-19 Apr 1824)
  7th: George Anson Byron (19 Apr 1824-3 Mar 1868)
  8th: George Anson Byron (1 Mar 1868-28 Nov 1870)
  9th: George Frederick William Byron (28 Nov 1870-30 Mar 1917)
10th: Frederick Ernest Charles Byron (30 Mar 1917-6 Jun 1949)
11th: Rupert Frederick George Byron (6 Jun 1949-1 Nov 1983)
12th: Richard Geoffrey Gordon Byron (1 Nov 1983-15 Jun 1989)
13th: Robert James Byron (15 Jun 1989- )

Baron Cable, of Ideford, co. Devon    [United Kingdom, 1921]
  1st: Ernest Cable (17 Jan 1921-28 Mar 1927)

Baron Cadman, of Silverdale, co. Stafford    [United Kingdom, 1937]
  1st: John Cadman (7 Jun 1937-31 May 1941)
  2nd: John Basil Cope Cadman (31 May 1941-5 Apr 1966)
  3rd: John Anthony Cadman (5 Apr 1966- )

Baron Cadogan of Oakley, co. Buckingham    [Great Britain, 1718]
  1st: William Cadogan (8 May 1718-17 Jul 1726)
  2nd: Charles Cadogan (17 Jul 1726-24 Sep 1776)
  3rd: Charles Sloane Cadogan (24 Sep 1776-3 Apr 1807)
  4th: Charles Henry Sloane Cadogan (3 Apr 1807-23 Dec 1832)
  5th: George Cadogan (23 Dec 1832-15 Sep 1864)
  6th: Henry Charles Cadogan (15 Sep 1864-8 Jun 1873)
  7th: George Henry Cadogan (8 Jun 1873-6 Mar 1915)
  8th: Gerald Oakley Cadogan (6 Mar 1915-4 Oct 1933)
  9th: William Gerald Charles Cadogan (4 Oct 1933-4 Jul 1997)
10th: Charles Gerald John Cadogan (4 Jul 1997- )

Baron Cadogan of Reading, co. Berks    [Great Britain, 1716]
  1st: William Cadogan (21 Jun 1716-17 Jul 1726)

Baron Caher    [Ireland, 1583]
  1st: Theobald Butler (6 May 1583-28 Apr 1596)
  2nd: Thomas Butler (28 Apr 1596-31 Jan 1627)
  3rd: Thomas Butler (31 Jan 1627-b 1648)
  4th: Piers Butler (b 1648-30 Jan 1677)
  5th: Theobald Butler (30 Jan 1677-27 Sep 1700)
  6th: Thomas Butler (27 Sep 1700-29 May 1744)
  7th: James Butler (29 May 1744-6 Jun 1786)
  8th: Piers Butler (6 Jun 1786-10 Jun 1788)
  9th: James Butler (10 Jun 1788-Jul 1788)
10th: Richard Butler (Jul 1788-30 Jan 1819)
11th: Richard Butler (30 Jan 1819-22 Jun 1858)

Baron Caher, co. Tipperary    [Ireland, 1543]
  1st: Thomas Butler (10 Nov 1543-1558)
  2nd: Edmund Butler (1558-1560)

Baron Cairns of Garmoyle, co. Antrim    [United Kingdom, 1867]
  1st: Hugh MacCalmont Cairns (27 Feb 1867-2 Apr 1885)
  2nd: Arthur William Cairns (2 Apr 1885-14 Jan 1890)
  3rd: Herbert John Cairns (14 Jan 1890-14 Jan 1905)
  4th: Wilfred Dallas Cairns (14 Jan 1905-23 Oct 1946)
  5th: David Charles Cairns (23 Oct 1946-21 Mar 1989)
  6th: Simon Dallas Cairns (21 Mar 1989- )

Baron Caledon, of Caledon, co. Tyrone    [Ireland, 1790]
  1st: James Alexander (6 Jun 1790-22 Mar 1802)
  2nd: Du Pre Alexander (22 Mar 1802-8 Apr 1839)
  3rd: James Du Pre Alexander (8 Apr 1839-30 Jun 1855)
  4th: James Alexander (30 Jun 1855-27 Apr 1898)
  5th: Eric James Desmond Alexander Alexander (27 Apr 1898-10 Jul 1968)
  6th: Denis James Alexander (10 Jul 1968-20 May 1980)
  7th: Nicholas James Alexander (20 May 1980- )

Baron Callan, of Callan, co. Kilkenny    [Ireland, 1790]
  1st: George Agar (4 Jun 1790-29 Oct 1815)

Baron Calthorpe, of Calthorpe, co. Norfolk    [Great Britain, 1796]
  1st: Henry Gough-Calthorpe (16 Jun 1796-16 Mar 1798)

Baron Calthorpe, of Edgbaston, co. Warwick    [Great Britain, 1796]
  2nd: Charles Gough-Calthorpe (16 Mar 1798-5 Jun 1807)
  3rd: George Gough-Calthorpe (5 Jun 1807-Sep 1851)
  4th: Frederick Gough (Sep 1851-2 May 1868)
  5th: Frederick Henry William Gough-Calthorpe (2 May 1868-25 Jun 1893)
  6th: Augustus Cholmondeley Gough-Calthorpe (25 Jun 1893-22 Jul 1910)
  7th: Somerset John Gough-Calthorpe (22 Jul 1910-12 Nov 1912)
  8th: Somerset Frederick Gough-Calthorpe (16 Nov 1912-6 Jul 1940)
  9th: Ronald Arthur Somerset Gough-Calthorpe (6 Jul 1940-9 Oct 1945)
10th: Peter Waldo Somerset Gough-Calthorpe (9 Oct 1945-23 May 1997)

Baron Calverley, of the City of Bradford, in the West Riding of Yorkshire    [United Kingdom, 1945]
  1st: George Muff (17 Nov 1945-20 Sep 1955)
  2nd: George Raymond Orford Muff (20 Sep 1955-24 Jun 1971)
  3rd: Charles Rodney Muff (24 Jun 1971- )

Baron Camden of Camden Place, in Chislehurst, co. Kent    [Great Britain, 1765]
  1st: Charles Pratt (17 Jul 1765-18 Apr 1794)
  2nd: John Jeffreys Pratt (18 Apr 1794-8 Oct 1840)
  3rd: George Charles Pratt (8 Jan 1835-6 Aug 1866)
  4th: John Charles Pratt (6 Aug 1866-4 May 1872)
  5th: John Charles Pratt (4 May 1872-15 Dec 1943)
  6th: John Charles Henry Pratt (14 Dec 1943-22 Mar 1983)
  7th: David George Edward Henry Pratt (22 Mar 1983- )

Lord Camelford, Baron of Boconnoc, Cornwall    [Great Britain, 1784]
  1st: Thomas Pitt (5 Jan 1784-19 Jan 1793)
  2nd: Thomas Pitt (19 Jan 1793-10 Mar 1804)

Lord Campbell    [Scotland, 1445]
  1st: Duncan Campbell (1445-1453)
  2nd: Colin Campbell (1453-10 May 1493)
  3rd: Archibald Campbell (10 May 1493-9 Sep 1513)
  4th: Colin Campbell (9 Sep 1513-9 Oct 1529)
  5th: Archibald Campbell (1529-bt 1558-1558)
  6th: Archibald Campbell (1558-12 Sep 1573)
  7th: Colin Campbell (12 Sep 1573-10 Sep 1584)
  8th: Archibald Campbell (10 Sep 1584-bt 1638-1638)
  9th: Archibald Campbell (1638-27 May 1661)
10th: Archibald Campbell (16 Oct 1663-30 Jun 1685)
11th: Archibald Campbell (1689-25 Sep 1703)
12th: John Campbell (25 Sep 1703-4 Oct 1743)
13th: Archibald Campbell (4 Oct 1743-15 Apr 1761)
14th: John Campbell (15 Apr 1761-9 Nov 1770)
15th: John Campbell (9 Nov 1770-24 May 1806)
16th: George William Campbell (24 May 1806-22 Oct 1839)
17th: John Douglas Edward Henry Campbell (22 Oct 1839-25 Apr 1847)
18th: George Douglas Campbell (25 Apr 1847-24 Apr 1900)
19th: John George Edward Henry Douglas Sutherland Campbell (24 Apr 1900-2 May 1914)
20th: Niall Diarmid Campbell (2 May 1914-20 Aug 1949)
21st: Ian Douglas Campbell (20 Aug 1949-7 Apr 1973)
22nd: Ian Campbell (7 Apr 1973-21 Apr 2001)
23rd: Torquhil Ian Campbell (21 Apr 2001- )

Lord Campbell of Loudoun    [Scotland, 1601]
  1st: Hugh Campbell (30 Jun 1601-15 Dec 1622)
  2nd: Margaret Campbell (15 Dec 1622-a 15 Mar 1662)
  3rd: James Campbell (15 Mar 1662-1684)
  4th: Hugh Campbell (1684-20 Nov 1731)
  5th: John Campbell (20 Nov 1731-27 Apr 1782)
  6th: James Mure-Campbell (27 Apr 1782-28 Apr 1786)
  7th: Flora Campbell (28 Apr 1786-8 Jan 1840)
  8th: George Augustus Francis Rawdon-Hastings (8 Jan 1840-13 Jan 1844)
  9th: Paulyn Reginald Serlo Rawdon-Hastings (13 Jan 1844-17 Jan 1851)
11th: Edith Maud Rawdon-Hastings (10 Nov 1868-23 Jan 1874)
12th: Charles Edward Rawdon-Hastings (23 Jan 1874-17 May 1920)
13th: Edith Maud Rawdon-Hastings (23 Feb 1923-24 Feb 1960)
14th: Barbara Huddleston Abney-Hastings (24 Feb 1960-1 Nov 2002)
15th: Michael Edward Abney-Hastings (1 Nov 2002-30 Jun 2012)
16th: Simon Michael Abney-Hastings (30 Jun 2012- )

Baron Campbell of St. Andrews, co. Fife    [United Kingdom, 1841]
  1st: John Campbell (30 Jun 1841-24 Jun 1861)
  2nd: William Frederick Campbell (24 Jun 1861-21 Jan 1893)
  3rd: Hallyburton George Campbell (21 Jan 1893-26 Dec 1918)
  5th: Gavin Campbell (1981-1987)
  6th: Donald Campbell (1987-23 Oct 2011)
  7th: David Anthony Campbell (23 Oct 2011- )

Baron Campbell of St. Andrews, co. Fife    [United Kingdom, 1941]
  4th: Alastair Campbell (26 Dec 1918-1981)

Baron Campion, of Bowes, co. Surrey    [United Kingdom, 1950]
  1st: Gilbert Francis Montriou Campion (6 Jul 1950-6 Apr 1958)

Baron Camrose, of Long Cross, co. Surrey    [United Kingdom, 1929]
  1st: William Ewart Berry (19 Jun 1929-15 Jun 1954)
  2nd: John Seymour Berry (15 Jun 1954-15 Feb 1995)
  3rd: William Michael Berry (15 Feb 1995-3 Apr 2001)
  4th: Adrian Michael Berry (3 Apr 2001- )

Baron Capell of Hadham, co. Hereford    [England, 1641]
  3rd: Algernon Capell (13 Jul 1683-10 Jan 1710)
  4th: William Capell (10 Jan 1710-8 Jan 1743)
  5th: William Anne Capell (8 Jan 1743-5 Mar 1799)
  6th: George Capell-Coningsby (5 Mar 1799-23 Apr 1839)
  7th: Arthur Algernon Capell (23 Apr 1839-11 Sep 1892)
  8th: George Devereux de Vere Capell (11 Sep 1892-25 Sep 1916)
  9th: Algernon George de Vere Capell (25 Sep 1916-8 Dec 1966)
10th: Reginald George de Vere Capell (8 Dec 1966-18 May 1981)
11th: Robert Edward de Vere Capell (18 May 1981-5 Jun 2005)
12th: Frederick Paul de Vere Capell (5 Jun 2005- )

Baron Capell of Hadham, co. Hertford    [England, 1641]
  1st: Arthur Capell (5 Aug 1641-9 Mar 1649)
  2nd: Arthur Capell (9 Mar 1649-13 Jul 1683)

Baron Capell of Tewksbury, co. Gloucester    [England, 1692]
  1st: Henry Capell (11 Apr 1692-30 May 1696)

Baron Carbery, co. Kildare    [Ireland, 1541]
  1st: William Bermingham (17 Jun 1541-17 Jul 1548)
  2nd: Edward Bermingham (17 Jul 1548-1550)

Baron Carbery, of Carbery, co. Cork    [Ireland, 1715]
  1st: George Evans (9 May 1715-28 Aug 1749)
  2nd: George Evans (28 Aug 1749-2 Feb 1759)
  3rd: George Evans (2 Feb 1759-26 May 1783)
  4th: George Evans (26 May 1783-31 Dec 1804)
  5th: John Evans (31 Dec 1804-4 Mar 1807)
  6th: John Evans-Freke (4 Mar 1807-12 May 1845)
  7th: George Patrick Percy Evans-Freke (12 May 1845-25 Nov 1889)
  8th: William Charles Evans-Freke (25 Nov 1889-7 Nov 1894)
  9th: Algernon William George Evans-Freke (7 Nov 1894-12 Jun 1898)
10th: John Evans Carbery (12 Jun 1898-25 Dec 1970)
11th: Peter Ralfe Harrington Evans-Freke (25 Dec 1970-28 Jul 2012)
12th: Michael Peter Evans-Freke (28 Jul 2012- )

Baron Cardiff of Cardiff Castle    [Great Britain, 1776]
  1st: John Stuart (20 May 1776-16 Nov 1814)
  2nd: John Crichton-Stuart (16 Nov 1814-18 Mar 1848)
  3rd: John Patrick Crichton-Stuart (18 Mar 1848-9 Oct 1900)
  4th: John Crichton-Stuart (9 Oct 1900-25 Apr 1947)
  5th: John Crichton-Stuart (25 Apr 1947-14 Aug 1956)
  6th: John Crichton-Stuart (14 Aug 1956-22 Jul 1993)
  7th: John Colum Crichton-Stuart (22 Jul 1993- )

Lord Cardross    [Scotland, 1610]
  1st: John Erskine (10 Jun 1610-14 Dec 1634)
  2nd: David Erskine (14 Dec 1634-c Jul 1671)
  3rd: Henry Erskine (1671-21 May 1693)
  4th: David Erskine (21 May 1693-14 Oct 1745)
  5th: Henry David Erskine (14 Oct 1745-1 Dec 1767)
  6th: David Steuart Erskine (1 Dec 1767-19 Apr 1829)
  7th: Henry David Erskine (19 Apr 1829-13 Sep 1857)
  8th: David Stuart Erskine (13 Sep 1857-3 Dec 1898)
  9th: Shipley Gordon Stuart Erskine (3 Dec 1898-16 Apr 1934)
10th: Ronald Douglas Stuart Mar Erskine (16 Apr 1934-18 Dec 1960)
11th: Donald Cardross Flower Erskine (18 Dec 1960-26 Jul 1984)
12th: Malcolm Harry Erskine (1984- )

Baron Carew, of co. Wexford    [Ireland, 1834]
  1st: Robert Shapland Carew (13 Jun 1834-2 Jun 1856)
  2nd: Robert Shapland Carew (2 Jun 1856-9 Sep 1881)
  3rd: Robert Shapland George Julian Carew (9 Sep 1881-29 Apr 1923)
  4th: George Patrick John Carew (29 Apr 1923-21 Apr 1926)
  5th: Gerald Shapland Carew (21 Apr 1926-3 Oct 1927)
  6th: William Francis Conolly-Carew (3 Oct 1927-27 Jun 1994)
  7th: Patrick Thomas Conolly-Carew (27 Jun 1994- )

Baron Carew of Castle Boro, co. Wexford    [United Kingdom, 1838]
  1st: Robert Shapland Carew (9 Jul 1838-2 Jun 1856)
  2nd: Robert Shapland Carew (2 Jun 1856-9 Sep 1881)
  3rd: Robert Shapland George Julian Carew (9 Sep 1881-29 Apr 1923)
  4th: George Patrick John Carew (29 Apr 1923-21 Apr 1926)
  5th: Gerald Shapland Carew (21 Apr 1926-3 Oct 1927)
  6th: William Francis Conolly-Carew (3 Oct 1927-27 Jun 1994)
  7th: Patrick Thomas Conolly-Carew (27 Jun 1994- )

Baron Carey of Leppington, co. York    [England, 1622]
  1st: Robert Carey (6 Feb 1622-12 Apr 1639)

Baron of Carha    [Ireland, 1742]
  1st: Owen O'Rourke (Jul 1742- )

Baron Carleton, of Carleton, co. York    [Great Britain, 1714]
  1st: Henry Boyle (19 Oct 1714-14 Mar 1725)

Baron Carleton, of Carleton, co. York    [Great Britain, 1786]
  1st: Richard Boyle (6 Aug 1786-20 May 1807)

Baron Carleton of Anner, co. Tipperary    [Ireland, 1789]
  1st: Hugh Carleton (17 Sep 1789-25 Feb 1826)

Baron Carlingford, of Carlingford, co. Louth    [United Kingdom, 1874]
  1st: Chichester Samuel Parkinson-Fortescue (28 Feb 1874-30 Jan 1898)

Lord Carlyle of Torthorwald    [Scotland, 1474]
  1st: John Carlyle (bt 1473-1474-b 23 Jul 1501)
  2nd: William Carlyle (c 1501-fr 1524-1525)
  3rd: James Carlyle (c 1525-b 15 Jan 1526)
  4th: Michael Carlyle (c 1526-Jun 1575)
  5th: Elizabeth Carlyle (Jun 1575-a 8 May 1642)
  6th: James Douglas (14 Jul 1608-a 1622)

Lord Carmichael    [Scotland, 1647]
  1st: James Carmichael (27 Dec 1647-29 Nov 1672)

Baron Carmichael, of Skirling, co. Peebles    [United Kingdom, 1912]
  1st: Thomas David Gibson-Carmichael (7 Feb 1912-16 Jan 1926)

Baron Carmichael of Carmichael    [Scotland, 1701]
  1st: John Carmichael (25 Jun 1701-20 Sep 1710)
  2nd: James Carmichael (20 Sep 1710-16 Aug 1737)
  3rd: John Carmichael (16 Aug 1737-19 Jul 1767)
  4th: John Carmichael (19 Jul 1767-21 Dec 1787)
  5th: Thomas Carmichael (21 Dec 1787-14 Feb 1811)
  6th: Andrew Carmichael (14 Feb 1811-18 Apr 1817)

Lord Carnegie of Kinnaird    [Scotland, 1616]
  1st: David Carnegie (14 Apr 1616-Feb 1658)
  2nd: James Carnegie (Feb 1628-Mar 1669)
  3rd: Robert Carnegie (Jan 1669-19 Feb 1688)
  4th: Charles Carnegie (19 Feb 1688-9 Aug 1699)
  5th: James Carnegie (9 Aug 1699-10 Feb 1730)
  9th: James Carnegie (2 Jul 1855-21 Feb 1905)
10th: Charles Noel Carnegie (21 Feb 1905-10 Nov 1941)
11th: Charles Alexander Carnegie (10 Nov 1941-16 Feb 1992)
12th: James George Alexander Bannerman Carnegie (16 Feb 1992- )

Lord Carnegie of Kinnaird and Leuchars    [Scotland, 1633]
  1st: David Carnegie (22 Jun 1633-Feb 1658)
  2nd: James Carnegie (Feb 1628-Mar 1669)
  3rd: Robert Carnegie (Jan 1669-19 Feb 1688)
  4th: Charles Carnegie (19 Feb 1688-9 Aug 1699)
  5th: James Carnegie (9 Aug 1699-10 Feb 1730)
  9th: James Carnegie (2 Jul 1855-21 Feb 1905)
10th: Charles Noel Carnegie (21 Feb 1905-10 Nov 1941)
11th: Charles Alexander Carnegie (10 Nov 1941-16 Feb 1992)
12th: James George Alexander Bannerman Carnegie (16 Feb 1992- )

Baron Carnock, of Carnock, co. Stirling    [United Kingdom, 1916]
  1st: Arthur Nicolson (27 Jun 1916-6 Nov 1928)
  2nd: Frederick Archibald Nicolson (6 Nov 1928-3 May 1952)
  3rd: Erskine Arthur Nicolson (3 May 1952-2 Oct 1982)
  4th: David Henry Arthur Nicolson (2 Oct 1982-26 Dec 2008)
  5th: Adam Nicolson (26 Dec 2008- )

Baron Carpenter of Killaghy, co. Kilkenny    [Ireland, 1719]
  1st: George Carpenter (29 May 1719-10 Feb 1732)
  2nd: George Carpenter (10 Feb 1732-12 Jul 1749)
  3rd: George Carpenter (12 Jul 1749-9 Mar 1762)

Baron Carrickfergus    [United Kingdom, 2011]
  1st: William Arthur Philip Louis Mountbatten-Windsor (29 Apr 2011- )

Baron Carrington of Bulcot Lodge    [Ireland, 1796]
  1st: Robert Smith (16 Jul 1796-18 Sep 1838)
  2nd: Robert John Carrington (18 Sep 1838-17 Mar 1868)
  3rd: Charles Robert Wynn-Carington (1 Mar 1868-13 Jun 1928)
  4th: Rupert Clement George Carington (13 Jun 1928-11 Nov 1929)
  5th: Rupert Victor John Carington (11 Nov 1929-19 Nov 1938)
  6th: Peter Alexander Rupert Carington (19 Nov 1938- )

Baron Carrington of Upton, co. Notts    [Great Britain, 1797]
  1st: Robert Smith (20 Oct 1797-18 Sep 1838)
  2nd: Robert John Carrington (18 Sep 1838-17 Mar 1868)
  3rd: Charles Robert Wynn-Carington (1 Mar 1868-13 Jun 1928)
  4th: Rupert Clement George Carington (13 Jun 1928-11 Nov 1929)
  5th: Rupert Victor John Carington (11 Nov 1929-19 Nov 1938)
  6th: Peter Alexander Rupert Carington (19 Nov 1938- )

Baron Carrington of Wotton, co. Warwick    [England, 1643]
  1st: Charles Smyth (31 Oct 1643-22 Feb 1665)
  2nd: Francis Smith (22 Feb 1665-c Apr 1701)
  3rd: Charles Smith (c Apr 1701-11 May 1706)

Baron Carteret of Hawnes, co. Bedford    [England, 1681]
  1st: George Carteret (19 Oct 1681-22 Sep 1695)
  2nd: John Carteret (22 Sep 1695-2 Jan 1763)
  3rd: Robert Carteret (2 Jan 1763-13 Feb 1776)

Baron Carteret of Hawnes, co. Bedford    [Great Britain, 1784]
  1st: Henry Frederick Carteret (29 Jan 1784-17 Jun 1826)
  2nd: George Thynne (17 Jun 1826-19 Feb 1838)
  3rd: John Thynne (19 Feb 1838-10 Mar 1849)

Lord Carye    [Scotland, 1620]
  1st: Henry Cary (10 Nov 1620-c Sep 1633)
  2nd: Lucius Cary (c Sep 1633-20 Sep 1643)
  3rd: Lucius Cary (20 Sep 1643-27 Sep 1649)
  4th: Henry Cary (27 Sep 1649-2 Apr 1663)
  5th: Anthony Cary (2 Apr 1663-24 May 1694)
  6th: Lucius Henry Cary (24 May 1694-31 Dec 1730)
  7th: Lucius Charles Cary (31 Dec 1730-27 Feb 1785)
  8th: Henry Thomas Cary (27 Feb 1785-28 May 1796)
  9th: Charles John Cary (28 May 1796-2 Mar 1809)
10th: Lucius Bentinck Cary (28 Feb 1809-12 Mar 1884)
11th: Plantagenet Pierrepont Cary (12 Mar 1884-1 Feb 1886)
12th: Byron Plantagenet Cary (21 Feb 1874-10 Jan 1922)
13th: Lucius Plantagenet Cary (10 Jan 1922-24 Jul 1961)
14th: Lucius Henry Charles Plantagenet Cary (24 Jul 1961-16 Mar 1984)
15th: Lucius Edward William Plantagenet Cary (16 Mar 1984- )

Baron Carysfort, of Carysfort, co. Wicklow    [Ireland, 1752]
  1st: John Proby (23 Jan 1752-18 Oct 1772)
  2nd: John Joshua Proby (18 Oct 1772-7 Apr 1828)
  3rd: John Proby (7 Apr 1828-11 Jun 1855)
  4th: Granville Leveson Proby (11 Jun 1855-3 Nov 1868)
  5th: Granville Leveson Proby (3 Nov 1868-18 May 1872)
  6th: William Proby (18 May 1872-4 Sep 1909)

Baron Carysfort, of the Hundred of Norman Cross, co. Huntingdon    [United Kingdom, 1801]
  1st: John Joshua Proby (21 Jan 1801-7 Apr 1828)
  2nd: John Proby (7 Apr 1828-11 Jun 1855)
  3rd: Granville Leveson Proby (11 Jun 1855-3 Nov 1868)
  4th: Granville Leveson Proby (3 Nov 1868-18 May 1872)
  5th: William Proby (18 May 1872-4 Sep 1909)

Baron Castle Coote    [Ireland, 1800]
  1st: Charles Henry Coote (31 Jul 1800-2 Mar 1802)
  2nd: Charles Henry Coote (2 Mar 1802-22 Jan 1823)
  3rd: Eyre Tilson Coote (22 Jan 1823-24 Mar 1827)

Baron Castle Stuart, of co. Tyrone    [Ireland, 1619]
  1st: Andrew Stewart (7 Nov 1619-Jan 1629)
  2nd: Andrew Stewart (Jan 1629-30 Mar 1639)
  3rd: Andrew Stewart (30 Mar 1639-c 10 Aug 1650)
  4th: Josias Stewart (10 Aug 1650-2 Dec 1662)
  5th: John Stewart (2 Dec 1662-1685)
  6th: Robert Stewart (1685-Mar 1686)
  7th: Andrew Stewart (Mar 1686-1715)
  8th: Robert Stewart (1715-2 Mar 1742)
  9th: Andrew Thomas Stewart (24 May 1774-26 Aug 1809)
10th: Robert Stewart (26 Aug 1809-10 Jun 1854)
11th: Edward Stewart (10 Jun 1854-20 Feb 1857)
12th: Charles Andrew Knox Stewart (20 Feb 1857-12 Sep 1874)
13th: Henry James Stuart-Richardson (12 Sep 1874-5 Jun 1914)
14th: Andrew John Stuart (5 Jun 1914-7 Nov 1921)
15th: Arthur Stuart (7 Nov 1921-5 Nov 1961)
16th: Arthur Patrick Avondale Stuart (5 Nov 1961- )

Baron Castle-Durrow, co. Kilkenny    [Ireland, 1733]
  1st: William Flower (27 Oct 1733-29 Apr 1746)
  2nd: Henry Flower (29 Aug 1746-27 Jun 1752)
  3rd: William Flower (27 Jun 1752-30 Aug 1780)
  4th: William Flower (30 Aug 1780-6 Jan 1802)
  5th: Henry Jeffery Flower (6 Jan 1802-4 May 1847)
  6th: Henry Flower (4 May 1847-3 Aug 1871)
  7th: Henry Jeffery Flower (3 Aug 1871-14 Dec 1882)
  8th: William Spencer Flower (14 Dec 1882-26 Nov 1906)
  9th: Robert Thomas Flower (26 Nov 1906-9 Mar 1919)
10th: Llowarch Robert Flower (9 Mar 1919-30 Aug 1936)
11th: Desmond Llowarch Edward Flower (30 Aug 1936-5 Dec 1995)
12th: Michael Llowarch Warburton Flower (5 Dec 1995- )

Baroness Castlehaven, of Castlehaven, co. Cromartie    [United Kingdom, 1861]
  1st: Anne Hay-Mackenzie (21 Oct 1861-25 Nov 1888)
  2nd: Francis Mackenzie Sutherland-Leveson-Gower (25 Nov 1888-24 Nov 1893)
  3rd: Sibell Lilian Sutherland-Leveson-Gower (25 Feb 1895-20 May 1962)
  4th: Roderick Grant Francis Mackenzie (20 May 1962-13 Dec 1989)
  5th: John Ruaridh Grant Mackenzie (13 Dec 1989- )

Baron Castlemaine of Moydrum, co. Westmeath    [Ireland, 1812]
  1st: William Handcock (21 Dec 1812-7 Jan 1839)
  2nd: Richard Handcock (7 Jan 1839-18 Apr 1840)
  3rd: Richard Handcock (18 Apr 1840-4 Jul 1869)
  4th: Richard Handcock (4 Jul 1869-26 Apr 1892)
  5th: Albert Edward Handcock (26 Apr 1892-6 Jul 1937)
  6th: Robert Arthur Handcock (6 Jul 1937-31 May 1954)
  7th: John Michael Schomberg Staveley Handcock (31 May 1954-31 Jul 1973)
  8th: Roland Thomas John Handcock (31 Jul 1973- )

Baron Castlerosse    [Ireland, 1689]
  1st: Valentine Browne (20 May 1689- )
  2nd: Nicholas Browne (1694-Apr 1720)
  3rd: Valentine Browne (Apr 1720-30 Jun 1736)
  4th: Thomas Browne (30 Jun 1736-9 Sep 1795)
  5th: Valentine Browne (9 Sep 1795-3 Oct 1812)

Baron Castlerosse    [Ireland, 1798]
  1st: Valentine Browne (12 Feb 1798-3 Oct 1812)
  2nd: Valentine Browne (3 Oct 1812-31 Oct 1853)
  3rd: Thomas Browne (31 Oct 1853-26 Dec 1871)
  4th: Valentine Augustus Browne (26 Dec 1871-9 Feb 1905)
  5th: Valentine Charles Browne (9 Feb 1905-14 Nov 1941)
  6th: Valentine Edward Charles Browne (14 Nov 1941-20 Sep 1943)
  7th: Gerald Ralph Desmond Browne (20 Sep 1943-14 Feb 1952)

Baron Castletown of Upper Ossory, in the Queen's County    [United Kingdom, 1869]
  1st: John Fitzpatrick (10 Dec 1869-22 Jan 1883)
  2nd: Bernard Edward Barnaby Fitzpatrick (22 Jan 1883-29 May 1937)

Lord Cathcart    [Scotland, 1452]
  1st: Alan Cathcart (c 1452-b 3 Oct 1497)
  2nd: John Cathcart (b 3 Oct 1497-Dec 1535)
  3rd: Alan Cathcart (Dec 1535-10 Sep 1547)
  4th: Alan Cathcart (10 Sep 1547-Dec 1618)
  5th: Alan Cathcart (Dec 1618-18 Aug 1628)
  6th: Alan Cathcart (18 Aug 1628-13 Jun 1709)
  7th: Alan Cathcart (12 Jun 1709-19 Oct 1732)
  8th: Charles Cathcart (19 Oct 1732-20 Dec 1740)
  9th: Charles Schaw Cathcart (1740-14 Aug 1776)
10th: William Schaw Cathcart (14 Aug 1776-16 Jun 1843)
11th: Charles Murray Cathcart (16 Jun 1843-16 Jul 1859)
12th: Alan Frederick Cathcart (16 Jul 1859-30 Oct 1905)
13th: Alan Cathcart (30 Oct 1905-2 Sep 1911)
14th: George Cathcart (2 Sep 1911-19 Nov 1927)
15th: Alan Cathcart (19 Nov 1927-15 Jun 1999)
16th: Charles Alan Andrew Cathcart (15 Jun 1999- )

Baron Catherlough, co. Catherlough    [Ireland, 1733]
  1st: John Fane (4 Oct 1733-26 Aug 1762)

Baron Catto, of Cairncatto, co. Aberdeen    [United Kingdom, 1936]
  1st: Thomas Sivewright Catto (24 Feb 1936-23 Aug 1959)
  2nd: Stephen Gordon Catto (23 Aug 1959-3 Sep 2001)
  3rd: Innes Gordon Catto (3 Sep 2001- )

Lord Caulfeild, Baron of Charlemont, co. Armagh    [Ireland, 1620]
  1st: Toby Caulfeild (22 Dec 1620-17 Aug 1627)
  2nd: William Caulfeild (17 Aug 1627-4 Dec 1640)
  3rd: Toby Caulfeild (1640-6 Jan 1642)
  4th: Robert Caulfeild (c Mar 1642-1 Jan 1644)
  5th: William Caulfeild (1 Jan 1644-Apr 1671)
  6th: William Caulfeild (c Apr 1671-21 Jul 1726)
  7th: James Caulfeild (21 Jul 1726-21 Apr 1734)
  8th: James Caulfeild (21 Apr 1734-4 Aug 1799)
  9th: Francis William Caulfeild (4 Aug 1799-26 Dec 1863)
10th: James Molyneux Caulfeild (26 Dec 1863-12 Jan 1892)
11th: James Alfred Caulfeild (12 Jan 1892-4 Jul 1913)
12th: James Edward Geale Caulfeild (4 Jul 1913-30 Aug 1949)
13th: Charles Edward St. George Caulfeild (30 Aug 1949-18 Jan 1964)
14th: Robert Toby St. George Caulfeild (18 Jan 1964-26 Nov 1967)
15th: Charles St. George Caulfeild (26 Nov 1967-18 Nov 1971)
16th: Richard William St. George Caulfeild (18 Nov 1971-18 Jun 1979)
17th: Charles Wilberforce Caulfeild (18 Jun 1979-14 Sep 1985)
18th: John Day Caulfeild (14 Sep 1985-10 Nov 2001)
19th: John Dodd Caulfeild (10 Nov 2001- )

Baron Cautley, of Lindfield, co. Sussex    [United Kingdom, 1936]
  1st: Henry Strother Cautley (14 Jul 1936-21 Sep 1946)

Baron Cavendish of Bolsover, co. Derby    [England, 1628]
  1st: William Cavendish (7 Mar 1628-25 Dec 1676)
  2nd: Henry Cavendish (25 Dec 1676-26 Jul 1691)

Baron Cavendish of Hardwick, co. Derby    [England, 1605]
  1st: William Cavendish (4 May 1605-3 Mar 1626)
  2nd: William Cavendish (3 Mar 1626-20 Jun 1628)
  3rd: William Cavendish (20 Jun 1628-23 Nov 1684)
  4th: William Cavendish (23 Nov 1684-18 Aug 1707)
  5th: William Cavendish (18 Aug 1707-4 Jun 1729)
  6th: William Cavendish (4 Jun 1729-5 Dec 1755)
  7th: William Cavendish (13 Jun 1751-2 Oct 1764)
  8th: William Cavendish (2 Oct 1764-29 Jul 1811)
  9th: William George Spencer Cavendish (29 Jul 1811-18 Jan 1858)
10th: William Cavendish (18 Jan 1858-21 Dec 1891)
11th: Spencer Compton Cavendish (21 Dec 1891-24 Mar 1908)
12th: Victor Christian William Cavendish (24 Mar 1908-6 May 1938)
13th: Edward William Spencer Cavendish (6 May 1938-26 Nov 1950)
14th: Andrew Robert Buxton Cavendish (26 Nov 1950-3 May 2004)
15th: Peregrine Andrew Morny Cavendish (3 May 2004- )

Baron Cavendish of Keighley, co. York    [United Kingdom, 1831]
  1st: George Augustus Henry Cavendish (10 Sep 1831-4 May 1834)
  2nd: William Cavendish (4 May 1834-21 Dec 1891)
  3rd: Spencer Compton Cavendish (21 Dec 1891-24 Mar 1908)
  4th: Victor Christian William Cavendish (24 Mar 1908-6 May 1938)
  5th: Edward William Spencer Cavendish (6 May 1938-26 Nov 1950)
  6th: Andrew Robert Buxton Cavendish (26 Nov 1950-3 May 2004)
  7th: Peregrine Andrew Morny Cavendish (3 May 2004- )

Baron Cawdor of Castlemartin, co. Pembroke    [Great Britain, 1796]
  2nd: John Frederick Campbell (1 Jun 1821-7 Nov 1860)
  3rd: John Frederick Vaughan Campbell (7 Nov 1860-29 Mar 1898)
  4th: Frederick Archibald Vaughan Campbell (29 Mar 1898-8 Feb 1911)
  5th: Hugh Frederick Vaughan Campbell (8 Feb 1911-7 Jan 1914)
  6th: John Duncan Vaughan Campbell (7 Jan 1914-1970)
  7th: Hugh John Vaughan Campbell (9 Jan 1970-20 Jun 1993)
  8th: Colin Robert Vaughan Campbell (1993- )

Baron Cawley, of Prestwich, co. Lancs    [United Kingdom, 1918]
  1st: Frederick Cawley (16 Jan 1918-30 Mar 1937)
  2nd: Robert Hugh Cawley (30 Mar 1937-24 Sep 1954)
  3rd: Frederick Lee Cawley (24 Sep 1954-13 Apr 2001)
  4th: John Francis Cawley (13 Apr 2001- )

Baron Cecil of Essendon, co. Rutland    [England, 1603]
  1st: Robert Cecil (13 May 1603-24 May 1612)
  2nd: William Cecil (24 May 1612-3 Dec 1668)
  3rd: James Cecil (3 Dec 1668-May 1683)
  4th: James Cecil (May 1683-24 Oct 1694)
  5th: James Cecil (24 Oct 1694-9 Oct 1728)
  6th: James Cecil (9 Oct 1728-19 Sep 1780)
  7th: James Brownlow William Gascoyne-Cecil (13 Jun 1823-12 Apr 1868)
  7th: James Cecil (19 Sep 1780-13 Jun 1823)
  9th: Robert Arthur Talbot Gascoyne-Cecil (12 Apr 1868-22 Aug 1903)
10th: James Edward Hubert Gascoyne-Cecil (22 Aug 1903-4 Apr 1947)
11th: Robert Arthur James Gascoyne-Cecil (21 Jan 1941-23 Feb 1972)
12th: Robert Edward Peter Gascoyne-Cecil (23 Feb 1972-11 Jul 2003)
13th: Robert Michael James Gascoyne-Cecil (1992- )

Baron Chalmers, of Northiam, co. Sussex    [United Kingdom, 1919]
  1st: Robert Chalmers (24 Apr 1919-17 Nov 1938)

Baron Chandos of Sudeley, co. Gloucester    [England, 1554]
  1st: John Brydges (8 Apr 1554-12 Apr 1557)
  2nd: Edmund Brydges (12 Apr 1557-11 Mar 1573)
  3rd: Giles Brydges (11 Mar 1573-21 Feb 1594)
  4th: William Brydges (21 Feb 1594-18 Nov 1602)
  5th: Grey Brydges (18 Nov 1602-10 Aug 1621)
  6th: George Brydges (11 Jan 1622-Feb 1655)
  7th: William Brydges (Feb 1655-c Aug 1676)
  8th: James Brydges (22 Aug 1676-16 Oct 1714)
  9th: James Brydges (16 Oct 1714-9 Aug 1744)
10th: Henry Brydges (9 Aug 1744-28 Nov 1771)
11th: James Brydges (28 Nov 1771-29 Sep 1789)

Baron Channing of Wellingborough, of Wellingborough, co. Northampton    [United Kingdom, 1912]
  1st: Francis Allston Channing (9 Jul 1912-20 Feb 1926)

Baron Charlemont, of Charlemont, co. Armagh    [United Kingdom, 1837]
  1st: Francis William Caulfeild (13 Feb 1837-26 Dec 1863)
  2nd: James Molyneux Caulfeild (26 Dec 1863-12 Jan 1892)

Baron Charleville, co. Cork    [Ireland, 1718]
  1st: John Brownlow (23 Jun 1718-27 Feb 1754)

Baron Charnwood, of Castle Donington, co. Leicester    [United Kingdom, 1911]
  1st: Godfrey Rathbone Benson (29 Jun 1911-3 Feb 1945)
  2nd: John Roby Benson (3 Feb 1945-1 Feb 1955)

Baron Chatfield, of Ditchling, co. Sussex    [United Kingdom, 1937]
  1st: Alfred Ernle Montacute Chatfield (4 Jun 1937-15 Nov 1967)
  2nd: Ernle David Lewis Chatfield (15 Nov 1967-30 Sep 2007)

Baroness Chatham, of Chatham, Kent    [Great Britain, 1761]
  1st: Hester Grenville (4 Dec 1761-3 Apr 1803)
  2nd: John Pitt (2 Apr 1803-24 Sep 1835)

Baron Chattisham, of Clitheroe, co. Lancaster    [United Kingdom, 1945]
  1st: William Brass (13 Jul 1945-24 Aug 1945)

Baron Chaworth of Eaton Hall, co. Hereford    [Ireland, 1616]
  2nd: William Brabazon (15 Mar 1851-26 May 1887)

Baron Chaworth of Eaton Hall, co. Hereford    [United Kingdom, 1831]
  1st: John Chambré Brabazon (10 Sep 1831-15 Mar 1851)
  3rd: Reginald Brabazon (26 May 1887-11 Oct 1929)
  4th: Reginald le Normand Brabazon (11 Oct 1929-10 Mar 1949)
  5th: Anthony Windham Normand Brabazon (10 Mar 1949-19 Dec 1998)
  6th: John Anthony Brabazon (19 Dec 1998- )

Baron Chaworth of Tryme, co. Meath    [Ireland, 1628]
  1st: George Chaworth (4 Mar 1628-3 Jul 1639)
  2nd: John Chaworth (3 Jul 1639-Jun 1644)
  3rd: Patrick Chaworth (Jun 1644-Jun 1693)

Lord Chedworth, Baron of Chedworth, co. Gloucester    [Great Britain, 1741]
  1st: John Howe (12 May 1741-3 Apr 1742)
  2nd: John Thynne Howe (3 Apr 1742-9 May 1762)
  3rd: Henry Frederick Howe (9 May 1762-7 Oct 1781)
  4th: John Howe (7 Oct 1781-29 Oct 1804)

Baron Chelmsford of Chelmsford, co. Essex    [United Kingdom, 1858]
  1st: Frederick Thesiger (1 Mar 1858-5 Oct 1878)
  2nd: Frederick Augustus Thesiger (5 Oct 1878-9 Apr 1905)
  3rd: Frederick John Napier Thesiger (9 Apr 1905-1 Apr 1933)
  4th: Andrew Charles Gerald Thesiger (1 Apr 1933-27 Sep 1970)
  5th: Frederick Jan Thesiger (27 Sep 1970-15 Dec 1999)
  6th: Frederic Corin Piers Thesiger (1999- )

Baron Cherwell, of Oxford, co. Oxford    [United Kingdom, 1941]
  1st: Frederick Alexander Lindemann (4 Jul 1941-3 Jul 1957)

Baron Chesham, of Chesham, co. Buckingham    [United Kingdom, 1858]
  1st: Charles Compton Cavendish (15 Jan 1858-10 Nov 1863)
  2nd: William George Cavendish (10 Nov 1863-26 Jun 1882)
  3rd: Charles Compton William Cavendish (26 Jun 1882-9 Nov 1907)
  4th: John Compton Cavendish (9 Nov 1907-26 Apr 1952)
  5th: John Charles Compton Cavendish (26 Apr 1952-23 Dec 1989)
  6th: Nicholas Charles Cavendish (23 Dec 1989-27 Aug 2009)
  7th: Charles Grey Compton Cavendish (27 Aug 2009- )

Baron Chesterford, Essex    [Great Britain, 1706]
  1st: Henry Howard (30 Dec 1706-19 Sep 1718)
  2nd: Charles William Howard (19 Sep 1718-8 Feb 1722)

Baron Chetwode, of Chetwode in the County of Buckinghamshire    [United Kingdom, 1945]
  1st: Philip Walhouse Chetwode (10 Jul 1945-6 Jul 1950)
  2nd: Philip Chetwode (6 Jul 1950- )

Baron Cheylesmore, of Cheylesmore, in the city of Coventry, co. Warwick    [United Kingdom, 1887]
  1st: Henry William Eaton (9 Jul 1887-2 Oct 1891)
  2nd: William Meriton Eaton (2 Oct 1891-10 Jul 1902)
  3rd: Herbert Francis Eaton (10 Jul 1902-29 Jul 1925)
  4th: Francis Ormond Henry Eaton (29 Jul 1925-21 Apr 1985)

Baron Chichester of Belfast, co. Antrim    [Ireland, 1613]
  1st: Arthur Chichester (23 Feb 1613-19 Feb 1625)

Baron Chichester of Belfast, co. Antrim    [Ireland, 1625]
  1st: Edward Chichester (1 Apr 1625-8 Jul 1648)
  2nd: Arthur Chichester (8 Jul 1648-18 Mar 1675)
  3rd: Arthur Chichester (18 Mar 1675-26 Oct 1678)
  4th: Arthur Chichester (26 Oct 1678-20 Apr 1706)
  5th: Arthur Chichester (10 Apr 1706-30 Sep 1757)
  6th: Arthur Chichester (30 Sep 1757-5 Jan 1799)
  7th: George Augustus Chichester (5 Jan 1799-5 Oct 1844)
  8th: George Hamilton Chichester (5 Oct 1844-20 Oct 1883)
  9th: Edward Chichester (20 Oct 1883-20 Jan 1889)
10th: George Augustus Chichester (20 Jan 1889-13 May 1904)
11th: Edward Arthur Donald St. George Chichester (13 May 1904-24 May 1975)
12th: Dermot Richard Claud Chichester (24 May 1975-19 Apr 2007)
13th: Arthur Patrick Chichester (19 Apr 2007- )

Baron Cholmondeley of Wichemalbank, co. Chester    [England, 1645]
  1st: Robert Cholmondeley (1 Sep 1645-2 Oct 1659)

Baron Cholmondeley of Witch Malbank, alias Nantwich, co. Chester    [England, 1689]
  1st: Hugh Cholmondeley (10 Apr 1689-18 Jan 1725)
  2nd: George Cholmondeley (18 Jan 1725-7 May 1733)
  3rd: George Cholmondeley (7 May 1733-10 Jun 1770)
  4th: George James Cholmondeley (10 Jun 1770-10 Apr 1827)
  5th: George Horatio Cholmondeley (10 Apr 1827-8 May 1870)
  6th: William Henry Hugh Cholmondeley (8 May 1870-16 Dec 1884)
  7th: George Henry Hugh Cholmondeley (16 Dec 1884-16 Mar 1923)
  8th: George Horatio Charles Cholmondeley (16 Mar 1923-16 Sep 1968)
  9th: George Hugh Cholmondeley (16 Sep 1968-13 Mar 1990)
10th: David George Philip Cholmondeley (13 Mar 1990- )

Baron Chorley, of Kendal, co. Westmorland    [United Kingdom, 1945]
  1st: Robert Samuel Theodore Chorley (16 Nov 1945-27 Jan 1978)
  2nd: Roger Richard Edward Chorley (27 Jan 1978- )

Lord Churchill of Eyemouth, co. Berwick    [Scotland, 1682]
  1st: John Churchill (21 Dec 1682-16 Jun 1722)

Baron Churchill of Sandridge, co. Hertford    [England, 1685]
  1st: John Churchill (14 May 1685-16 Jun 1722)
  2nd: Henrietta Churchill (9 Aug 1722-24 Oct 1733)
  3rd: Charles Spencer (24 Oct 1733-20 Oct 1758)
  4th: George Spencer (20 Oct 1758-29 Jan 1817)
  5th: George Spencer-Churchill (29 Jan 1817-5 Mar 1840)
  6th: George Spencer-Churchill (5 Mar 1840-1 Jul 1857)
  7th: John Winston Spencer-Churchill (1 Jul 1857-5 Jul 1883)
  8th: George Charles Spencer-Churchill (16 Apr 1883-9 Nov 1892)
  9th: Charles Richard John Spencer-Churchill (9 Nov 1892-30 Jun 1934)
10th: John Albert Edward William Spencer-Churchill (30 Jun 1934-11 Mar 1972)
11th: John George Vanderbilt Henry Spencer-Churchill (10 Mar 1972-16 Oct 2014)
12th: Charles James Spencer-Churchill (16 Oct 2014- )

Baron Churchill of Whichwood, co. Oxford    [United Kingdom, 1815]
  1st: Francis Almeric Spencer (11 Aug 1815-10 Mar 1845)
  2nd: Francis George Spencer (10 Mar 1845-24 Nov 1886)
  3rd: Victor Albert Francis Charles Spencer (24 Nov 1886-3 Jan 1934)
  4th: Victor Alexander Spencer (3 Jan 1934-21 Dec 1973)
  5th: Victor George Spencer Spencer (21 Dec 1973- )

Baron Churston of Churston Ferrers and Lupton, co. Devon    [United Kingdom, 1858]
  1st: John Yarde-Buller (2 Aug 1858-4 Sep 1871)
  2nd: John Yarde-Buller (4 Sep 1871-30 Nov 1910)
  3rd: John Reginald Lopes Yarde-Buller (30 Nov 1910-19 Apr 1930)
  4th: Richard Francis Roger Yarde-Buller (19 Apr 1930-9 Apr 1991)
  5th: John Francis Yarde-Buller (9 Apr 1991- )

Baron of Cirencester, co. Gloucester    [England, 1689]
  1st: Hans William Bentinck (9 Apr 1689-23 Nov 1709)
  2nd: Henry Bentinck (23 Nov 1709-4 Jul 1726)
  3rd: William Bentinck (4 Jul 1726-1 May 1762)
  5th: William Henry Cavendish-Bentinck (1 May 1762-30 Oct 1809)
  5th: William Henry Cavendish-Scott-Bentinck (30 Oct 1809-27 Mar 1854)
  6th: William John Cavendish Cavendish-Scott-Bentinck (27 Mar 1854-6 Dec 1879)
  7th: William John Arthur Charles James Cavendish-Bentinck (6 Dec 1879-26 Apr 1943)
  8th: William Arthur Henry Cavendish-Bentinck (26 Apr 1943-21 Mar 1977)
  9th: Ferdinand William Cavendish-Bentinck (21 Mar 1977-13 Dec 1980)
10th: Victor Frederick William Cavendish-Bentinck (13 Dec 1980-30 Jul 1990)
11th: Henry Noel Bentinck (30 Jul 1990-30 Jan 1997)
12th: Timothy Charles Robert Noel Bentinck (30 Jan 1997- )

Baron Citrine, of Wembley, co. Middlesex    [United Kingdom, 1946]
  1st: Walter McLennan Citrine (16 Jul 1946-22 Jan 1983)
  2nd: Norman Arthur Citrine Citrine (22 Jan 1983-18 Mar 1997)
  3rd: Ronald Eric Citrine (18 Mar 1997- )

Baron Clanbrassill of Hyde Hall, co. Hertford    [United Kingdom, 1821]
  1st: Robert Jocelyn (17 Jul 1821-20 Mar 1870)
  2nd: Robert Jocelyn (20 Mar 1870-9 Jan 1880)
  3rd: John Strange Jocelyn (9 Jan 1880-3 Jul 1897)

Baron Claneboye, co. Down    [Ireland, 1719]
  1st: James Hamilton (13 May 1719-17 Mar 1758)
  2nd: James Hamilton (17 Mar 1758-6 Feb 1798)

Baron Claneboye, of Claneboye, co. Down    [United Kingdom, 1850]
  1st: Frederick Temple Hamilton-Temple-Blackwood (22 Jan 1850-12 Feb 1902)
  2nd: Terence John Temple Hamilton-Temple-Blackwood (12 Feb 1902-11 Feb 1919)
  3rd: Frederick Temple Hamilton-Temple-Blackwood (7 Feb 1918-21 Jul 1930)
  4th: Basil Sheridan Hamilton-Temple-Blackwood (21 Jul 1930-25 Mar 1945)
  5th: Sheriden Frederick Terence Hamilton-Temple-Blackwood (25 Mar 1945-1988)

Baron Clanehugh, co. Longford    [Ireland, 1675]
  1st: Arthur Forbes (22 Nov 1675-1695)
  2nd: Arthur Forbes (1695-24 Aug 1734)
  3rd: George Forbes (24 Aug 1734-29 Oct 1765)
  4th: George Forbes (4 Oct 1765-16 Oct 1769)
  5th: George Forbes (16 Oct 1769-16 Apr 1780)
  6th: George Forbes (16 Apr 1780-9 Jun 1837)
  7th: George Arthur Hastings Forbes (9 Jun 1837-25 Aug 1889)
  8th: Bernard Arthur William Patrick Hastings Forbes (25 Aug 1889-10 Sep 1948)
  9th: Arthur Patrick Hastings Forbes (10 Sep 1948-1992)
10th: Peter Arthur Edward Hastings Forbes (1992- )

Baron Clanmorris of Newbrook, co. Mayo    [Ireland, 1800]
  1st: John Bingham (31 Jul 1800-18 May 1821)
  2nd: Charles Barry Bingham (18 May 1821-3 Jun 1829)
  3rd: Denis Arthur Bingham (3 Jun 1829-24 Feb 1847)
  4th: John Charles Robert Bingham (24 Feb 1847-5 Apr 1876)
  5th: John George Barry Bingham (5 Apr 1876-4 Nov 1916)
  6th: Arthur Maurice Robert Bingham (4 Nov 1916-24 Jun 1960)
  7th: John Michael Ward Bingham (24 Jun 1960-6 Aug 1988)
  8th: Simon John Ward Bingham (6 Aug 1988- )

Baron Clanwilliam, of co. Tipperary    [United Kingdom, 1828]
  1st: Richard Charles Francis Christian Meade (28 Jan 1828-7 Oct 1879)
  2nd: Richard James Meade (7 Oct 1879-4 Aug 1907)
  3rd: Arthur Vesey Meade (4 Aug 1907-23 Jan 1953)
  4th: John Charles Edmund Carson Meade (23 Jan 1953-30 Mar 1989)
  5th: John Herbert Meade (30 Mar 1989-24 Dec 2009)
  8th: Patrick James Meade (24 Dec 2009- )

Baron Clarina of Elm Park, co. Limerick    [Ireland, 1800]
  1st: Eyre Massey (28 Dec 1800-17 May 1804)
  2nd: Nathaniel William Massey (17 Mar 1804-26 Jan 1810)
  3rd: Eyre Massey (Jan 1810-18 Nov 1872)
  4th: Eyre Challoner Henry Massey (18 Nov 1872-16 Dec 1897)
  5th: Lionel Edward Massey (16 Dec 1897-13 Oct 1922)
  6th: Eyre Nathaniel Massey (13 Oct 1922-4 Nov 1952)

Baron Clauson, of Hawkshead, co. Hertford    [United Kingdom, 1942]
  1st: Albert Charles Clauson (20 Feb 1942-15 Mar 1946)

Baron Clements of Kilmacrenan, co. Donegal    [United Kingdom, 1831]
  1st: Nathaniel Clements (20 Jun 1831-31 Dec 1854)
  2nd: William Sydney Clements (31 Dec 1854-2 Apr 1871)
  3rd: Robert Bermingham Clements (2 Apr 1878-5 Apr 1892)
  4th: Charles Clements (5 Apr 1892-9 Jun 1952)

Baron Clermont, of Clermont, co. Louth    [Ireland, 1770]
  1st: William Henry Fortescue (26 May 1770-30 Sep 1806)

Baron Clermont, of Clermont, co. Louth    [Ireland, 1776]
  1st: William Henry Fortescue (23 Jul 1776-30 Sep 1806)
  2nd: William Charles Fortescue (30 Sep 1806-24 Jun 1829)

Baron Clermont of Clermont Park, co. Louth    [United Kingdom, 1866]
  1st: Thomas Fortescue (2 May 1866-29 Jul 1887)

Baron Clermont of Dromisken, co. Louth    [Ireland, 1852]
  1st: Thomas Fortescue (11 Feb 1852-29 Jul 1887)
  2nd: Chichester Samuel Parkinson-Fortescue (29 Jul 1887-30 Jan 1898)

Lord Clifden, Baron of Gowran, co. Kilkenny    [Ireland, 1776]
  1st: James Agar (27 Jul 1776-1 Jan 1789)
  2nd: Henry Welbore Ellis (1 Jan 1789-13 Jul 1836)
  3rd: Henry Agar-Ellis (13 Jul 1836-20 Feb 1866)
  4th: Henry George Agar (20 Feb 1866-28 Mar 1895)
  5th: Leopold George Frederick Agar-Ellis (28 Mar 1895-10 Sep 1899)
  6th: Thomas Charles Agar-Robartes (10 Sep 1899-19 Jul 1930)
  7th: Francis Gerald Agar-Robartes (19 Jul 1930-15 Jul 1966)
  8th: Arthur Victor Agar-Robartes (15 Jul 1966-22 Dec 1974)

Baron Clifford of Chudleigh, co. Devon    [England, 1672]
  1st: Thomas Clifford (22 Apr 1672-17 Oct 1673)
  2nd: Hugh Clifford (17 Oct 1673-12 Oct 1730)
  3rd: Hugh Clifford (12 Oct 1730-26 Mar 1732)
  4th: Hugh Clifford (26 Mar 1732-1 Sep 1783)
  5th: Hugh Edward Henry Clifford (1 Sep 1783-17 Jan 1793)
  6th: Charles Clifford (15 Jan 1793-29 Apr 1831)
  7th: Hugh Charles Clifford (29 Apr 1831-28 Feb 1858)
  8th: Charles Hugh Clifford (28 Feb 1858-5 Aug 1880)
  9th: Lewis Henry Hugh Clifford (5 Aug 1880-19 Jul 1916)
10th: William Hugh Clifford (19 Jul 1916-5 Jul 1943)
11th: Charles Oswald Hugh Clifford (5 Jul 1943-1 Feb 1962)
12th: Lewis Joseph Hugh Clifford (1 Feb 1962-27 Aug 1964)
13th: Lewis Hugh Clifford (27 Aug 1964-1988)
14th: Thomas Hugh Clifford (1988- )

Baron Clifford of Lanesborough, co. York    [England, 1644]
  1st: Richard Boyle (4 Nov 1644-15 Jan 1698)
  2nd: Charles Boyle (10 Aug 1689-12 Oct 1694)
  3rd: Charles Boyle (20 Nov 1694-9 Feb 1704)
  4th: Richard Boyle (9 Feb 1704-3 Dec 1753)

Baron Clifton of Rathmore, co. Meath    [Ireland, 1721]
  1st: John Bligh (14 Sep 1721-12 Sep 1728)
  2nd: Edward Bligh (12 Sep 1728-22 Jul 1747)
  3rd: John Bligh (22 Jul 1747-31 Jul 1781)
  4th: John Bligh (31 Jul 1781-17 Mar 1831)
  5th: Edward Bligh (17 Mar 1831-12 Feb 1835)
  6th: John Stuart Bligh (12 Feb 1835-14 Dec 1896)
  7th: Edward Henry Stuart Bligh (14 Dec 1896-31 Oct 1900)
  8th: Ivo Francis Walter Bligh (31 Oct 1900-10 Apr 1927)
  9th: Esme Ivo Bligh (10 Apr 1927-29 May 1955)
10th: Peter Stuart Bligh (29 May 1955-15 Jun 1980)
11th: Adam Ivo Stuart Bligh (15 Jun 1980- )

Baron Clitheroe, of Downham, co. Lancaster    [United Kingdom, 1955]
  1st: Ralph Assheton (20 Jun 1955-1984)
  2nd: Ralph John Assheton (1984- )

Baron Clive of Plassey, co. Limerick    [Ireland, 1762]
  1st: Robert Clive (15 Mar 1762-22 Nov 1774)
  2nd: Edward Clive (22 Nov 1774-16 May 1839)

Baron Clive of Walcot, co. Salop    [Great Britain, 1794]
  1st: Edward Clive (13 Aug 1794-16 May 1839)

Baron Clonbrock, of Clonbrock, co. Galway    [Ireland, 1790]
  1st: Robert Dillon (5 Jun 1790-22 Jul 1795)
  2nd: Luke Dillon (22 Jul 1795-13 Dec 1826)
  3rd: Robert Dillon (13 Dec 1826-4 Dec 1893)
  4th: Luke Gerald Dillon (4 Dec 1893-13 May 1917)
  5th: Robert Edward Dillon (12 May 1917-1 Nov 1926)

Baron Cloncurry, of Cloncurry, co. Kildare    [Ireland, 1789]
  1st: Nicholas Lawless (29 Sep 1789-28 Aug 1799)
  2nd: Valentine Browne Lawless (28 Aug 1799-28 Oct 1853)
  3rd: Edward Lawless (28 Oct 1853-4 Apr 1869)
  4th: Valentine Lawless (4 Apr 1869-12 Feb 1928)
  5th: Frederick Lawless (12 Feb 1928-18 Jul 1929)

Baron Cloncurry, of Cloncurry, co. Kildare    [United Kingdom, 1831]
  1st: Valentine Browne Lawless (14 Sep 1831-28 Oct 1853)
  2nd: Edward Lawless (28 Oct 1853-4 Apr 1869)
  3rd: Valentine Lawless (4 Apr 1869-12 Feb 1928)
  4th: Frederick Lawless (12 Feb 1928-18 Jul 1929)

Baron of Cloney    [Ireland, 1675]
  1st: William Ducie (19 Jul 1675-9 Sep 1679)

Baron Clonmore, of Clonmore Castle, co. Carlow    [Ireland, 1776]
  1st: Ralph Howard (21 Jul 1776-26 Jun 1789)

Baron of Cloughgrenan    [Ireland, 1693]
  1st: Charles Butler (8 Mar 1693-17 Dec 1758)

Baron Clwyd, of Abergele, co. Denbigh    [United Kingdom, 1919]
  1st: John Herbert Roberts (19 May 1919-19 Dec 1955)
  2nd: John Trevor Roberts Roberts (19 Dec 1955-1987)
  3rd: John Anthony Roberts (1987-10 Oct 2006)
  4th: John Murray Roberts (10 Oct 2006- )

Baron Clydesmuir, of Braidwood, co. Lanark    [United Kingdom, 1948]
  1st: David John Colville (5 May 1948-31 Oct 1954)
  2nd: Ronald John Bilsland Colville (31 Oct 1954-2 Oct 1996)
  3rd: David Ronald Colville (2 Oct 1996- )

Baron Cobbold, of Knebworth, co. Hertford    [United Kingdom, 1960]
  1st: Cameron Fromanteel Cobbold (23 Nov 1960-1987)
  2nd: David Antony Fromanteel Lytton Cobbold (1987- )

Baron Cobham    [England, 1645]
  1st: John Brooke (3 Jan 1645-c May 1660)

Baron of Cobham    [England, 1666]
  1st: Charles Stuart (28 May 1666-12 Dec 1672)

Baron Cobham, of Cobham, co. Kent    [Great Britain, 1714]
  1st: Richard Temple (19 Oct 1714-13 Sep 1749)

Baron Cobham, of Cobham, co. Kent    [Great Britain, 1718]
  1st: Richard Temple (23 May 1718-13 Sep 1749)
  2nd: Hester Temple (13 Sep 1749-6 Oct 1752)
  3rd: Richard Grenville (6 Oct 1752-11 Sep 1779)
  4th: George Nugent-Temple-Grenville (11 Sep 1779-11 Feb 1813)
  5th: Richard Temple-Nugent-Brydges-Chandos-Grenville (11 Feb 1813-17 Jan 1839)
  6th: Richard Plantagenet Temple-Nugent-Brydges-Chandos-Grenville (17 Jan 1839-29 Jul 1861)
  7th: Richard Plantagenet Campbell Temple-Nugent-Brydges-Chandos-Grenville (29 Jul 1861-26 Mar 1889)
  8th: Charles George Lyttelton (26 Mar 1889-9 Jun 1922)
  9th: John Cavendish Lyttelton (9 Jun 1922-31 Jul 1949)
10th: Charles John Lyttelton (31 Jul 1949-20 Mar 1977)
11th: John William Leonard Lyttelton (20 Mar 1977-13 Jul 2006)
12th: Christopher Charles Lyttelton (13 Jul 2006- )

Baron Cochrane of Cults, of Crawford Priory, co. Fife    [United Kingdom, 1919]
  1st: Thomas Horatio Arthur Ernest Cochrane (16 May 1919-17 Jan 1951)
  2nd: Thomas George Frederick Cochrane (17 Jan 1951-8 Dec 1968)
  3rd: Thomas Charles Anthony Cochrane (8 Dec 1968-1990)
  4th: Ralph Henry Vere Cochrane (1990- )

Lord Cochrane of Dundonald    [Scotland, 1647]
  1st: William Cochrane (26 Dec 1647-1685)
  2nd: John Cochrane (1685-16 May 1690)
  3rd: William Cochrane (17 May 1690-22 Nov 1705)
  4th: John Campbell Cochrane (22 Nov 1705-5 Jun 1720)
  5th: William Cochrane (5 Jun 1720-27 Jan 1725)
  6th: Thomas Cochrane (27 Jan 1725-29 May 1737)
  7th: William Cochrane (28 May 1737-9 Jul 1758)
  8th: Thomas Cochrane (9 Jul 1758-27 Jun 1778)
  9th: Archibald Cochrane (27 Jun 1778-1 Jul 1831)
10th: Thomas Cochrane (1 Jul 1831-31 Oct 1860)
11th: Thomas Barnes Cochrane (31 Oct 1860-15 Jan 1885)
12th: Douglas Mackinnon Baillie Hamilton Cochrane (15 Jan 1885-12 Apr 1935)
13th: Thomas Hesketh Douglas Blair Cochrane (12 Apr 1935-23 May 1958)
14th: Ian Douglas Leonard Cochrane (23 May 1958-4 Oct 1986)
15th: Iain Alexander Douglas Blair Cochrane (4 Oct 1986- )

Lord Cochrane of Paseley and Ochiltrie    [Scotland, 1669]
  1st: William Cochrane (12 May 1669-1685)
  2nd: John Cochrane (1685-16 May 1690)
  3rd: William Cochrane (17 May 1690-22 Nov 1705)
  4th: John Campbell Cochrane (22 Nov 1705-5 Jun 1720)
  5th: William Cochrane (5 Jun 1720-27 Jan 1725)
  6th: Thomas Cochrane (27 Jan 1725-29 May 1737)
  7th: William Cochrane (28 May 1737-9 Jul 1758)
  8th: Thomas Cochrane (9 Jul 1758-27 Jun 1778)
  9th: Archibald Cochrane (27 Jun 1778-1 Jul 1831)
10th: Thomas Cochrane (1 Jul 1831-31 Oct 1860)
11th: Thomas Barnes Cochrane (31 Oct 1860-15 Jan 1885)
12th: Douglas Mackinnon Baillie Hamilton Cochrane (15 Jan 1885-12 Apr 1935)
13th: Thomas Hesketh Douglas Blair Cochrane (12 Apr 1935-23 May 1958)
14th: Ian Douglas Leonard Cochrane (23 May 1958-4 Oct 1986)
15th: Iain Alexander Douglas Blair Cochrane (4 Oct 1986- )

Baron Cockermouth, co. Cumberland    [Great Britain, 1749]
  1st: Algernon Seymour (3 Oct 1749-7 Feb 1750)
  2nd: Charles Wyndham (7 Feb 1750-21 Aug 1763)
  3rd: George O'Brien Wyndham (21 Aug 1763-11 Nov 1837)
  4th: George Francis Wyndham (11 Nov 1837-2 Apr 1845)

Baron Colchester of Colchester, co. Essex    [United Kingdom, 1817]
  1st: Charles Abbot (3 Jun 1817-8 May 1829)
  2nd: Charles Abbot (8 May 1829-18 Oct 1867)
  3rd: Reginald Charles Edward Abbot (18 Oct 1867-26 Feb 1919)

Baron Colebrooke, of Stebunheath, co. Middlesex    [United Kingdom, 1906]
  1st: Edward Arthur Colebrooke (20 Feb 1906-28 Feb 1939)

Lord Colepeper, Baron of Thoresway, co. Lincoln    [England, 1644]
  1st: John Colepeper (21 Oct 1644-Jul 1660)
  2nd: Thomas Colepeper (Jul 1660-1688)
  3rd: John Colepeper (1688-1719)
  4th: Cheney Colepeper (1719-1725)

Baron Coleraine, of Coleraine, co. Londonderry    [Ireland, 1762]
  1st: Gabriel Hanger (26 Feb 1762-27 Jan 1773)

Baron Coleraine, of Haltemprice, East Riding, co. Yorks    [United Kingdom, 1954]
  1st: Richard Kidston Law (16 Feb 1954-1980)
  2nd: James Martin Bonar Law (1980- )

Baron Coleridge of Ottery St. Mary, co. Devon    [United Kingdom, 1874]
  1st: John Duke Coleridge (10 Jan 1874-14 Jun 1894)
  2nd: Bernard John Seymour Coleridge (14 Jun 1894-24 Sep 1927)
  3rd: Geoffrey Duke Coleridge (24 Sep 1927-27 Mar 1955)
  4th: Richard Duke Coleridge (27 Mar 1955-20 May 1984)
  5th: William Duke Coleridge (1984- )

Baron Colgrain, of Everlands, co. Kent    [United Kingdom, 1946]
  1st: Colin Frederick Campbell (28 Jan 1946-3 Nov 1954)
  2nd: Donald Swinton Campbell (3 Nov 1954-20 Oct 1973)
  3rd: David Colin Campbell (20 Oct 1973-7 Feb 2008)
  4th: Alastair Colin Leckie Campbell (7 Feb 2008- )

Baron Colonsay of Colonsay and Oronsay, Argyll    [United Kingdom, 1867]
  1st: Duncan McNeill (26 Feb 1867-31 Jan 1874)

Baron Colville, of Culross, co. Perth    [United Kingdom, 1885]
  1st: Charles John Colville (31 Dec 1885-1 Jul 1903)
  2nd: Charles Robert William Colville (1 Jul 1903-25 Mar 1928)
  3rd: Charles Alexander Colville (25 Mar 1928-Mar 1945)
  4th: John Mark Alexander Colville (14 Mar 1945-8 Apr 2010)
  5th: Charles Mark Townshend Colville (8 Apr 2010- )

Lord Colville of Culross    [Scotland, 1604]
  1st: James Colville (24 Apr 1604-Sep 1629)
  2nd: James Colville (Sep 1629-1654)
  3rd: William Colville (1654-12 Apr 1656)
  4th: John Colville (12 Apr 1656-a 1678)
  5th: Alexander Colville (a 1678-9 Aug 1717)
  6th: John Colville (27 May 1723-20 Apr 1741)
  7th: Alexander Colville (20 Apr 1741-21 May 1770)
  8th: John Colville (21 May 1770-8 Mar 1811)
  9th: John Colville (8 Mar 1811-22 Oct 1849)
10th: Charles John Colville (22 Oct 1849-1 Jul 1903)
11th: Charles Robert William Colville (1 Jul 1903-25 Mar 1928)
12th: Charles Alexander Colville (25 Mar 1928-Mar 1945)
13th: John Mark Alexander Colville (14 Mar 1945-8 Apr 2010)
14th: Charles Mark Townshend Colville (8 Apr 2010- )

Baron Colwyn, of Colwyn Bay, co. Denbigh    [United Kingdom, 1917]
  1st: Frederick Henry Smith (22 Jun 1917-26 Jan 1946)
  2nd: Frederick John Vivian Smith (26 Jan 1946-29 May 1966)
  3rd: Ian Anthony Hamilton-Smith (29 May 1966- )

Baron Colyton, of Farway, co. Devon and Taunton, Somerset    [United Kingdom, 1956]
  1st: Henry Lennox D'Aubigne Hopkinson (19 Jan 1956-6 Jan 1996)
  2nd: Alisdair John Munro Hopkinson (6 Jan 1996- )

Baron Combermere, of Combermere, co. Chester    [United Kingdom, 1814]
  1st: Stapleton Stapleton-Cotton (17 May 1814-21 Feb 1865)
  2nd: Wellington Henry Stapleton-Cotton (21 Feb 1865-1 Dec 1891)
  3rd: Robert Wellington Stapleton-Cotton (1 Dec 1891-20 Feb 1898)
  4th: Francis Lynch Wellington Stapleton-Cotton (20 Feb 1898-8 Feb 1969)
  5th: Michael Wellington Stapleton-Cotton (8 Feb 1969-3 Nov 2000)
  6th: Thomas Robert Wellington Stapleton-Cotton (3 Nov 2000- )

Baron Conesford, of Chelsea, co. London    [United Kingdom, 1955]
  1st: Henry George Strauss (12 May 1955-28 Aug 1974)

Baron Congleton, of Congleton, co. Chester    [United Kingdom, 1841]
  1st: Henry Brooke Parnell (18 Aug 1841-8 Jun 1842)
  2nd: John Vesey Parnell (8 Jun 1842-23 Oct 1883)
  3rd: Henry William Parnell (23 Oct 1883-10 Oct 1890)
  4th: Henry Parnell (10 Oct 1890-12 Nov 1906)
  5th: Henry Bligh Fortescue Parnell (12 Nov 1906-10 Nov 1914)
  6th: John Brooke Molesworth Parnell (10 Nov 1914-21 Dec 1932)
  7th: William Jared Parnell (21 Dec 1932-12 Oct 1967)
  8th: Christopher Patrick Parnell (12 Oct 1967- )

Baron Connemara, of Connemara, co. Galway    [United Kingdom, 1887]
  1st: Robert Bourke (12 May 1887-3 Sep 1902)

Baron Conway and Killultagh, co. Antrim    [Ireland, 1712]
  1st: Francis Seymour-Conway (16 Oct 1712-3 Feb 1732)
  2nd: Francis Seymour-Conway (3 Feb 1732-14 Jun 1794)
  3rd: Francis Seymour-Ingram (14 Jun 1794-28 Jun 1822)
  4th: Francis Charles Seymour-Conway (17 Jun 1822-1 Mar 1842)
  5th: Richard Seymour-Conway (1 Mar 1842-25 Aug 1870)
  6th: Francis George Hugh Seymour (25 Aug 1870-25 Jan 1884)
  7th: Hugh de Grey Seymour (25 Jan 1884-23 Mar 1912)
  8th: George Francis Alexander Seymour (23 Mar 1912-16 Feb 1940)
  9th: Hugh Edward Conway Seymour (18 Jun 1939-22 Dec 1997)
10th: Henry Jocelyn Seymour (22 Dec 1997- )

Baron Conway of Allington, co. Kent    [United Kingdom, 1931]
  1st: William Martin Conway (7 Dec 1931-19 Apr 1937)

Baron Conway of Ragley, co. Warwick    [Great Britain, 1703]
  1st: Francis Seymour-Conway (17 Mar 1703-3 Feb 1732)
  2nd: Francis Seymour-Conway (3 Feb 1732-14 Jun 1794)
  3rd: Francis Seymour-Ingram (14 Jun 1794-28 Jun 1822)
  4th: Francis Charles Seymour-Conway (17 Jun 1822-1 Mar 1842)
  5th: Richard Seymour-Conway (1 Mar 1842-25 Aug 1870)
  6th: Francis George Hugh Seymour (25 Aug 1870-25 Jan 1884)
  7th: Hugh de Grey Seymour (25 Jan 1884-23 Mar 1912)
  8th: George Francis Alexander Seymour (23 Mar 1912-16 Feb 1940)
  9th: Hugh Edward Conway Seymour (18 Jun 1939-22 Dec 1997)
10th: Henry Jocelyn Seymour (22 Dec 1997- )

Baron Conyngham of Mount Charles, co. Donegal    [Ireland, 1753]
  1st: Henry Conyngham (3 Oct 1753-3 Apr 1781)

Baron Conyngham of Mount Charles, co. Donegal    [Ireland, 1781]
  1st: Henry Conyngham (4 Jan 1781-3 Apr 1781)
  2nd: Francis Pierpoint Conyngham (3 Apr 1781-22 May 1787)
  3rd: Henry Conyngham (22 May 1787-28 Dec 1832)
  4th: Francis Nathaniel Conyngham (11 Oct 1861-17 Jul 1876)
  5th: George Henry Conyngham (17 Jul 1876-2 Jun 1882)
  6th: Henry Francis Conyngham (2 Jun 1882-28 Aug 1897)
  7th: Victor George Henry Francis Conyngham (28 Aug 1897-9 Nov 1918)
  8th: Frederick William Burton Conyngham (9 Nov 1918-1 Apr 1974)
  9th: Frederick William Henry Francis Conyngham (1 Apr 1974-3 Mar 2009)
10th: Henry Vivien Pierpont Conyngham (3 Mar 2009- )

Baron Cooper of Culross, of Dunnet, co. Caithness    [United Kingdom, 1954]
  1st: Thomas Mackay Cooper (31 Jul 1954-15 Jul 1955)

Lord Coote, Baron of Coloony, co. Sligo    [Ireland, 1660]
  1st: Richard Coote (6 Sep 1660-10 Jul 1683)
  2nd: Richard Coote (10 Jul 1683-5 Mar 1701)
  3rd: Nanfan Coote (5 Mar 1701-14 Jun 1708)
  4th: Richard Coote (14 Jun 1708-10 Feb 1766)
  5th: Charles Coote (10 Feb 1776-20 Oct 1800)

Baron Coote of Castle Cuffe, in Queen's Co.    [Ireland, 1660]
  1st: Charles Coote (6 Sep 1660-18 Dec 1661)
  2nd: Charles Coote (18 Dec 1661-30 Aug 1672)
  3rd: Charles Coote (30 Aug 1672-May 1709)
  4th: Charles Coote (May 1709-14 Sep 1715)
  5th: Harry Coote (14 Sep 1715-27 Mar 1720)
  6th: Algernon Coote (27 Mar 1720-27 Aug 1744)
  8th: Charles Henry Coote (27 Aug 1744-2 Mar 1802)

Baron Cope, of St. Mellons, co. Monmouth    [United Kingdom, 1945]
  1st: William Cope (14 Jul 1945-15 Jul 1946)

Baron Cornwallis, of Linton, co. Kent    [United Kingdom, 1927]
  1st: Fiennes Stanley Wykeham Cornwallis (31 Jan 1927-26 Sep 1935)
  2nd: Wykeham Stanley Cornwallis (26 Sep 1935-4 Jan 1982)
  3rd: Fiennes Neil Wykeham Cornwallis (4 Jan 1982-5 Mar 2010)
  4th: Fiennes Wykeham Jeremy Cornwallis (6 Mar 2010- )

Baron Cornwallis of Eye, Suffolk    [England, 1661]
  1st: Frederick Cornwallis (20 Apr 1661-31 Jan 1662)
  2nd: Charles Cornwallis (Jan 1662-13 Apr 1673)
  3rd: Charles Cornwallis (13 Apr 1673-29 Apr 1698)
  4th: Charles Cornwallis (29 Apr 1693-20 Jan 1722)
  5th: Charles Cornwallis (20 Jan 1722-23 Jun 1762)
  6th: Charles Cornwallis (23 Jun 1762-5 Oct 1805)
  7th: Charles Cornwallis (5 Oct 1805-9 Aug 1823)
  8th: James Cornwallis (9 Aug 1823-20 Jan 1824)
  9th: James Mann (20 Jan 1824-21 May 1852)

Baron Cottenham, of Cottenham, co. Cambridge    [United Kingdom, 1836]
  1st: Charles Christopher Pepys (20 Jan 1836-29 Apr 1851)
  2nd: Charles Edward Pepys (29 Apr 1851-18 Feb 1863)
  3rd: William John Pepys (18 Feb 1863-20 Jan 1881)
  4th: Kenelm Charles Edward Pepys (20 Jan 1881-22 Apr 1919)
  6th: Mark Everard Pepys (29 Dec 1922-19 Jul 1943)
  7th: John Digby Thomas Pepys (19 Jul 1943-12 May 1968)
  8th: Kenelm Charles Everard Digby Pepys (12 May 1968-20 Oct 2000)
  9th: Mark John Henry Pepys (20 Oct 2000- )

Baron Cottesloe, of Swanbourne and Hardwick, co. Buckingham    [United Kingdom, 1874]
  1st: Thomas Francis Fremantle (2 Mar 1874-3 Dec 1890)
  2nd: Thomas Francis Fremantle (3 Dec 1890-13 Apr 1918)
  3rd: Thomas Francis Fremantle (13 Apr 1918-19 Jul 1956)
  4th: John Walgrave Halford Fremantle (19 Jul 1956-22 Apr 1994)
  5th: John Tapling Fremantle (1994- )

Lord Coupar    [Scotland, 1607]
  1st: James Elphinstone (20 Dec 1607-Jan 1669)
  2nd: John Elphinstone (Jan 1669-10 Jun 1704)
  3rd: John Elphinstone (10 Jun 1704-13 May 1736)
  4th: James Elphinstone (13 May 1736-5 Jan 1746)
  5th: Arthur Elphinstone (5 Jan 1746-18 Aug 1746)

Lord Courcy of Kinsale    [Ireland, 1340]
  1st: Miles fitz Miles Courcy (c 1340-a Oct 1363)
  2nd: John fitz Miles Courcy (a Oct 1363-b 1393)
  3rd: William Courcy (b 1393-a 2 Apr 1399)
  4th: Patrick Courcy (a 1399-a 27 Nov 1419)
  5th: Nicholas Courcy (a Nov 1419-1474)
  6th: James Courcy (1474- )
  7th: Edmund Courcy (1499- )
  8th: David Courcy (c 1500- )
  9th: John Courcy ( -1535)
10th: Gerald Courcy (1535-fr 1599-1599)
11th: John Courcy (Aug 1599-25 Jul 1628)
12th: Gerald Courcy (25 Jul 1628-c 1642)

Baron Courtauld-Thomson, of Dorneywood, co. Buckingham    [United Kingdom, 1944]
  1st: Courtauld Greenwood Courtauld-Thomson (1 Feb 1944-1 Nov 1954)

Baron Courthope, of Whiligh, co. Sussex    [United Kingdom, 1945]
  1st: George Loyd Courthope (3 Jul 1945-2 Sep 1955)

Baron Courtney of Penwith    [United Kingdom, 1906]
  1st: Leonard Henry Courtney (14 Jul 1906-11 May 1918)

Baron Courtown, co. Wexford    [Ireland, 1758]
  1st: James Stopford (19 Sep 1758-12 Jan 1770)
  2nd: James Stopford (8 Sep 1788-30 Mar 1810)
  3rd: James George Stopford (30 Mar 1810-15 Jun 1835)
  4th: James Thomas Stopford (15 Jun 1835-20 Nov 1858)
  5th: James George Henry Stopford (20 Nov 1858-28 Nov 1914)
  6th: James Walter Milles Stopford (28 Nov 1914-18 Jul 1933)
  7th: James Richard Neville Stopford (18 Jul 1933-25 Jan 1957)
  8th: James Montagu Burgoyne Stopford (25 Jan 1957-23 Jul 1975)
  9th: James Patrick Montagu Burgoyne Winthrop Stopford (23 Jul 1975- )

Baron Coventry of Aylesborough, co. Worcester    [England, 1628]
  1st: Thomas Coventry (10 Apr 1628-14 Jan 1640)
  2nd: Thomas Coventry (14 Jan 1640-27 Oct 1661)
  3rd: George Coventry (27 Oct 1661-15 Dec 1680)
  4th: John Coventry (15 Dec 1680-25 Jul 1687)
  5th: Thomas Coventry (25 Jul 1687-15 Jul 1699)
  6th: Thomas Coventry (15 Jul 1699-Aug 1710)
  7th: Gilbert Coventry (28 Jan 1712-27 Oct 1719)
  7th: Thomas Coventry (Aug 1710-28 Jan 1712)

Baron Cowdray, of Midhurst, co. Sussex    [United Kingdom, 1910]
  1st: Weetman Dickinson Pearson (16 Jul 1910-1 May 1927)
  2nd: Weetman Harold Miller Pearson (1 May 1927-5 Oct 1933)
  3rd: Weetman John Churchill Pearson (5 Oct 1933-19 Jan 1995)
  5th: Michael Orlando Weetman Pearson (19 Jan 1995- )

Baron Cowley of Wellesley, co. Somerset    [United Kingdom, 1828]
  1st: Henry Wellesley (21 Jan 1828-27 Apr 1847)
  2nd: Henry Richard Charles Wellesley (27 Apr 1847-15 Jul 1884)
  3rd: William Henry Wellesley (15 Jul 1884-28 Feb 1895)
  4th: Henry Arthur Mornington Wellesley (28 Feb 1895-15 Jan 1919)
  5th: Christian Arthur Wellesley (15 Jan 1919-29 Aug 1962)
  6th: Denis Arthur Wellesley (29 Aug 1962-23 Mar 1968)
  7th: Richard Francis Wellesley (23 Mar 1968-13 Dec 1975)
  8th: Garret Graham Wellesley (13 Dec 1975- )

Baron Cowper, of Wingham, co. Kent    [England, 1706]
  1st: William Cowper (14 Dec 1706-10 Oct 1723)
  2nd: William Clavering-Cowper (19 Oct 1723-18 Sep 1764)
  3rd: George Nassau Clavering-Cowper (18 Dec 1764-22 Dec 1789)
  4th: George Augustus Clavering-Cowper (22 Dec 1789-12 Feb 1799)
  5th: Peter Leopold Louis Francis Nassau Cowper (12 Feb 1799-21 Jun 1837)
  6th: George Augustus Frederick Cowper (21 Jun 1837-15 Apr 1856)
  7th: Francis Thomas de Grey Cowper (15 Apr 1856-18 Jul 1905)

Baron Craigmyle, of Craigmyle, co. Aberdeen    [United Kingdom, 1929]
  1st: Thomas Shaw (7 May 1929-28 Jun 1937)
  2nd: Alexander Shaw (28 Jun 1937-29 Sep 1944)
  3rd: Thomas Donald Mackay Shaw (29 Sep 1944-30 Apr 1998)
  4th: Thomas Columba Shaw (30 Apr 1998- )

Baroness of Cramond    [Scotland, 1628]
  1st: Elizabeth Beaumont (29 Feb 1628-c Mar 1651)

Baron Cranworth of Letton and Cranworth, co. Norfolk    [United Kingdom, 1899]
  1st: Robert Thornhagh Gurdon (28 Jan 1899-13 Oct 1902)
  2nd: Bertram Francis Gurdon (13 Oct 1902-4 Jan 1964)
  3rd: Philip Bertram Gurdon (4 Jan 1964- )

Baron Crathorne, of Crathorne, North Riding, co. York    [United Kingdom, 1959]
  1st: Thomas Lionel Dugdale (15 Jul 1959-26 Mar 1977)
  2nd: Charles James Dugdale (26 Mar 1977- )

Baron Craven of Hampsted Marshall, Berkshire    [England, 1627]
  1st: William Craven (12 Mar 1627-9 Apr 1697)
  2nd: William Craven (9 Apr 1697-9 Oct 1711)
  3rd: William Craven (9 Oct 1711-10 Aug 1739)
  4th: Fulwar Craven (10 Aug 1739-10 Nov 1764)
  5th: William Craven (10 Nov 1764-17 Mar 1769)
  6th: William Craven (17 Mar 1769-27 Sep 1791)
  7th: William Craven (27 Sep 1791-30 Jul 1825)
  8th: William Craven (30 Jul 1825-25 Aug 1866)
  9th: George Grimston Craven (25 Aug 1866-7 Dec 1883)
10th: William George Robert Craven (7 Dec 1883-9 Jul 1921)
11th: William George Bradley Craven (9 Jul 1921-15 Sep 1932)
12th: William George Bradley Craven (15 Sep 1932-27 Jan 1965)
13th: Thomas Robert Douglas Craven (27 Jan 1965-22 Oct 1983)
14th: Simon George Craven (22 Oct 1983-30 Aug 1990)
15th: Benjamin Robert Joseph Craven (30 Aug 1990- )

Baron Craven of Ryton, co. Salop    [England, 1643]
  1st: John Craven (21 Mar 1643-b 26 Feb 1648)

Baron Crawshaw of Crawshaw, co. Lancaster and of Whatton, co. Leicester    [United Kingdom, 1892]
  1st: Thomas Brooks (25 Aug 1892-5 Feb 1908)
  2nd: William Brooks (5 Feb 1908-19 Jan 1929)
  3rd: Gerald Beach Brooks (19 Jan 1929-21 Oct 1946)
  4th: William Michael Clifton Brooks (21 Oct 1946-7 Nov 1997)
  5th: David Gerald Brooks (7 Nov 1997- )

Baron Cremorne, of Castle Dawson, co. Monaghan    [Ireland, 1797]
  1st: Thomas Dawson (20 Nov 1797-1 Mar 1813)
  2nd: Richard Thomas Dawson (1 Mar 1813-21 Mar 1827)
  3rd: Richard Dawson (21 Mar 1827-12 May 1897)
  4th: Vesey Dawson (12 May 1897-14 Jun 1920)
  5th: Anthony Lucius Dawson (14 Jun 1920-9 Feb 1933)

Baron Crewe, of Crewe, co. Chester    [United Kingdom, 1806]
  1st: John Crewe (25 Feb 1806-28 Apr 1829)
  2nd: John Crewe (28 Apr 1829-4 Dec 1835)
  3rd: Hungerford Crewe (4 Dec 1835-3 Jan 1894)

Lord Crichton    [Scotland, 1447]
  1st: William Crichton (bt 1443-1447-bt 1454-1454)
  2nd: James Crichton (bt 1454-1454-Aug 1454)
  3rd: William Crichton (Aug 1454-b 22 Nov 1493)

Lord Crichton    [Scotland, 1642]
  1st: James Crichton (29 Aug 1642-b 17 Aug 1665)
  2nd: James Crichton (b 17 Aug 1665-fr 1674-1675)
  3rd: William Crichton (29 Dec 1674-bt 1680-1686)
  4th: Lewis Crichton (b 9 Dec 1686-26 Feb 1698)

Lord Crichton of Sanquhar    [Scotland, 1488]
  1st: Robert Crichton (29 Jan 1488-fr 1494-1495)
  2nd: Robert Crichton (c Feb 1495-bt 1513-1513)
  3rd: Robert Crichton (1513-fr 1516-1520)
  4th: Robert Crichton (bt 1516-1520-b 7 Jan 1536)
  5th: William Crichton (c Jan 1536-11 Jun 1550)
  6th: Robert Crichton (11 Jun 1550-1561)
  7th: Edward Crichton (1561-23 May 1569)
  8th: Robert Crichton (23 May 1569-29 Jun 1612)
  9th: William Crichton (29 Jun 1612-fr 1642-1643)
10th: William Crichton (c 1643-1691)
11th: William Crichton (1691-28 Feb 1694)
12th: William Dalrymple-Crichton (6 Mar 1742-27 Jul 1768)
12th: Penelope Crichton (28 Feb 1694-6 Mar 1742)
13th: Patrick MacDowall-Crichton (27 Jul 1768-7 Apr 1803)
14th: John Crichton-Stuart (16 Nov 1814-18 Mar 1848)
15th: John Patrick Crichton-Stuart (18 Mar 1848-9 Oct 1900)
16th: John Crichton-Stuart (9 Oct 1900-25 Apr 1947)
17th: John Crichton-Stuart (25 Apr 1947-14 Aug 1956)
18th: John Crichton-Stuart (14 Aug 1956-22 Jul 1993)
19th: John Colum Crichton-Stuart (22 Jul 1993- )

Lord Crichton of Sanquhar and Cumnock    [Scotland, 1633]
  1st: William Crichton (12 Jun 1633-fr 1642-1643)
  2nd: William Crichton (c 1643-1691)
  3rd: William Crichton (1691-28 Feb 1694)
  4th: Penelope Crichton (28 Feb 1694-6 Mar 1742)
  5th: William Dalrymple-Crichton (6 Mar 1742-27 Jul 1768)
  6th: Patrick MacDowall-Crichton (27 Jul 1768-7 Apr 1803)
  7th: John Crichton-Stuart (16 Nov 1814-18 Mar 1848)
  8th: John Patrick Crichton-Stuart (18 Mar 1848-9 Oct 1900)
  9th: John Crichton-Stuart (9 Oct 1900-25 Apr 1947)
10th: John Crichton-Stuart (25 Apr 1947-14 Aug 1956)
11th: John Crichton-Stuart (14 Aug 1956-22 Jul 1993)
12th: John Colum Crichton-Stuart (22 Jul 1993- )

Baron Cripps, of Frieth, co. Buckingham    [United Kingdom, 1914]
  4th: Frederick Alfred Milo Cripps (5 Oct 1977-12 Aug 2008)

Baron Croft, of Bournemouth, co. Southampton    [United Kingdom, 1940]
  1st: Henry Page Croft (28 May 1940-7 Dec 1947)
  2nd: Michael Henry Glendower Page Croft (7 Dec 1947-11 Jan 1997)
  3rd: Bernard William Henry Page Croft (11 Jan 1997- )

Baroness Crofton of Mote, co. Roscommon    [Ireland, 1798]
  1st: Anne Croker (8 Mar 1798-12 Aug 1817)
  2nd: Edward Crofton (12 Aug 1817-27 Dec 1869)
  3rd: Edward Henry Churchill Crofton (27 Dec 1869-22 Sep 1912)
  4th: Arthur Edward Lowther Crofton (22 Sep 1912-15 Jun 1942)
  5th: Edward Blaise Crofton (15 Jun 1942-13 Jun 1974)
  6th: Charles Edward Piers Crofton (13 Jun 1974-1989)
  7th: Guy Patrick Gilbert Crofton (1989-25 Nov 2007)
  8th: Edward Harry Piers Crofton (25 Nov 2007- )

Baron Cromer of Cromer, Norfolk    [United Kingdom, 1892]
  1st: Evelyn Baring (20 Jun 1892-29 Jan 1917)
  2nd: Rowland Thomas Baring (29 Jan 1917-13 May 1953)
  3rd: George Rowland Stanley Baring (13 May 1953-1991)
  4th: Evelyn Rowland Esmond Baring (1991- )

Baron Crook, of Carshalton, co. Surrey    [United Kingdom, 1947]
  1st: Reginald Douglas Crook (3 Jul 1947-1989)
  2nd: Douglas Edwin Crook (1989-18 Jun 2001)
  3rd: Robert Douglas Edwin Crook (18 Jun 2001- )

Baron Cullen, co. Tipperary    [Ireland, 1642]
  1st: Charles Cokayne (11 Aug 1642-1661)
  2nd: Brien Cokayne (1661-Jul 1687)
  3rd: Charles Cokayne (Jul 1687-30 Dec 1688)
  4th: Charles Cokayne (30 Dec 1688-6 Apr 1716)
  5th: Charles Cokayne (6 Apr 1716-7 Jun 1802)
  6th: Borlase Cokayne (7 Jun 1802-11 Aug 1810)

Baron Cullen of Ashbourne, of Roehampton, co. Surrey    [United Kingdom, 1920]
  1st: Brien Ibrican Cokayne (21 Apr 1920-3 Nov 1932)
  2nd: Charles Borlase Marsham Cokayne (3 Nov 1932-17 Dec 2000)
  3rd: Edmund Willoughby Marsham Cokayne (17 Dec 2000- )

Baron Culloden    [United Kingdom, 1928]
  1st: Henry William Frederick Albert Windsor (31 Mar 1928-10 Jun 1974)

Baron of Culloden, in North Britain    [United Kingdom, 1801]
  1st: Adolphus Frederick Hanover (27 Nov 1801-8 Jul 1850)
  2nd: George William Frederick Charles Hanover (8 Jul 1850-17 Mar 1904)

Baron Culmore, co. Londonderry    [Ireland, 1725]
  1st: William Bateman (12 Jul 1725-Dec 1744)
  2nd: John Bateman (Dec 1744-2 Mar 1802)

Baron Cunliffe, of Headley, Surrey    [United Kingdom, 1914]
  1st: Walter Cunliffe (14 Dec 1914- )
  2nd: Rolf Cunliffe (6 Jan 1920-24 Nov 1963)
  3rd: Roger Cunliffe (24 Nov 1963- )

Baron Cunningham of Hyndhope, of Kirkhope, co. Selkirk    [United Kingdom, 1945]
  1st: Andrew Browne Cunningham (15 Sep 1945-12 Jun 1963)

Baron Currie of Hawley    [United Kingdom, 1899]
  1st: Philip Henry Wodehouse Currie (25 Jan 1899-12 May 1906)

Baron Curzon of Kedleston, co. Derby    [Ireland, 1898]
  1st: George Nathaniel Curzon (11 Nov 1898-20 Mar 1925)

Baron Curzon of Penn, co. Buckingham    [Great Britain, 1794]
  1st: Assheton Curzon (13 Aug 1794-21 Mar 1820)
  2nd: Richard William Penn Curzon-Howe (21 Mar 1820-12 May 1870)
  3rd: George Augustus Frederick Louis Curzon-Howe (12 May 1870-4 Feb 1876)
  4th: Richard William Penn Curzon-Howe (4 Feb 1876-25 Sep 1900)
  5th: Richard George Penn Curzon (25 Sep 1900-10 Jan 1929)
  6th: Francis Richard Henry Penn Curzon (10 Jan 1929-1 Sep 1964)
  7th: Edward Richard Assheton Penn Curzon (1 Sep 1964-29 May 1984)
  8th: Frederick Richard Penn Curzon (29 May 1984- )

Baron Cushendun, of Cushendun, co. Antrim    [United Kingdom, 1927]
  1st: Ronald John McNeill (7 Nov 1927-12 Oct 1934)

Baron D'Abernon, of Esher, co. Surrey    [United Kingdom, 1914]
  1st: Edgar Vincent (2 Jul 1914-1 Nov 1941)

Baron Dacre of Gillesland, Cumberland    [England, 1661]
  1st: Charles Howard (30 Apr 1661-24 Feb 1685)
  2nd: Edward Howard (24 Feb 1685-23 Apr 1692)
  3rd: Charles Howard (23 Apr 1692-1 May 1738)
  4th: Henry Howard (1 May 1738-3 Sep 1758)
  5th: Frederick Howard (3 Sep 1758-4 Sep 1825)
  6th: George Howard (4 Sep 1825-7 Oct 1848)
  7th: George William Frederick Howard (7 Oct 1848-5 Dec 1864)
  8th: William George Howard (5 Dec 1864-29 Mar 1889)
  9th: George James Howard (29 Mar 1889-16 Apr 1911)
10th: Charles James Stanley Howard (16 Apr 1911-20 Jan 1912)
11th: George Josslyn L'Estrange Howard (20 Jan 1912-17 Feb 1963)
12th: Charles James Ruthven Howard (17 Feb 1963-28 Nov 1994)
13th: George William Beaumont Howard (28 Nov 1994- )

Lord Daer and Shortcleuch    [Scotland, 1646]
  1st: William Douglas-Hamilton (4 Aug 1646-18 Apr 1694)
  2nd: Charles Douglas (6 Oct 1688-13 Mar 1739)
  3rd: John Hamilton (13 Mar 1739-3 Dec 1744)
  4th: Dunbar Douglas (3 Dec 1744-26 Mar 1799)
  5th: Thomas Douglas (26 May 1799-8 Apr 1820)
  6th: Dunbar James Douglas (8 Apr 1820-11 Apr 1885)
  7th: Charles George Douglas-Hamilton (11 Apr 1885-2 May 1886)
  8th: William Alexander Louis Stephen Douglas-Hamilton (2 May 1886-16 May 1895)
  9th: Alfred Douglas Douglas-Hamilton (16 May 1895-16 Mar 1940)
10th: George Nigel Douglas-Hamilton (16 Mar 1940-24 Nov 1994)
11th: James Alexander Douglas-Hamilton (24 Nov 1994- )

Baron Dalhousie of Dalhousie Castle, co. Edinburgh    [United Kingdom, 1815]
  1st: George Ramsay (11 Aug 1815-21 Mar 1838)
  2nd: James Andrew Ramsay (21 Mar 1838-22 Dec 1860)

Baron Dalling and Bulwer of Dalling, co. Norfolk    [United Kingdom, 1871]
  1st: William Henry Lytton Earle Bulwer (23 Mar 1871-23 May 1872)

Lord Dalzell    [Scotland, 1628]
  1st: Robert Dalzell (18 Sep 1628-bt 1635-1636)
  2nd: Robert Dalzell (bt 1635-1636-c Jun 1654)
  3rd: Gavin Dalzell (c Jun 1654-Jun 1674)
  4th: James Dalzell (Jun 1674-1683)
  5th: John Dalzell (1683-7 Jun 1702)
  6th: Robert Dalzell (7 Jun 1702-4 Aug 1737)

Baron Dalziel of Kirkcaldy, of Marylebone, London    [United Kingdom, 1921]
  1st: James Henry Dalziel (28 Jun 1921-15 Jul 1935)

Baron Dalziel of Wooler, of Wooler, co. Northumberland    [United Kingdom, 1927]
  1st: Davison Alexander Dalziel (4 Jul 1927-18 Apr 1928)

Baron Danesfort, of Danesfort, co. Kerry    [United Kingdom, 1924]
  1st: John George Butcher (19 Feb 1924-30 Jun 1935)

Lord Darcy de Knayth    [England, 1322]
  5th: John Darcy (24 Apr 1399-9 Dec 1411)
  8th: Conyers Darcy (3 Mar 1654-14 Jun 1689)
  9th: Conyers Darcy (14 Jun 1689-13 Dec 1692)
10th: Robert Darcy (13 Dec 1692-20 Jan 1722)
11th: Robert Darcy (20 Jan 1722-16 May 1778)
12th: Amelia Darcy (16 May 1778-26 Jan 1784)
13th: George William Frederick Osborne (27 Jan 1784-10 Jul 1838)
14th: Francis Godolphin Darcy-Osborne (10 Jul 1838-12 May 1859)

Baron Darcy of Navan, co. Meath    [Ireland, 1721]
  1st: James Darcy (13 Sep 1721-19 Jul 1731)
  2nd: James Darcy (19 Jul 1731-15 Jun 1733)

Baron Daresbury, of Walton, Chester    [United Kingdom, 1927]
  1st: Gilbert Greenall (21 Jun 1927-24 Oct 1938)
  2nd: Edward Greenall (24 Oct 1938-1990)
  3rd: Edward Gilbert Greenall (1990-9 Sep 1996)
  4th: Peter Gilbert Greenall (9 Sep 1996- )

Baron Darling, of Langham, co. Essex    [United Kingdom, 1924]
  1st: Charles John Darling (12 Jan 1924-29 May 1936)
  2nd: Robert Charles Henry Darling (29 May 1936-2003)
  3rd: Robert Julian Henry Darling (2003- )

Lord of Darnley    [Scotland, 1460]
  1st: John Stuart (c 1460-bt 1495-1495)
  2nd: Matthew Stuart (Sep 1495-9 Sep 1513)
  3rd: John Stuart (9 Sep 1513-4 Sep 1526)
  4th: Matthew Stuart (1526-4 Sep 1571)

Lord Darnley    [Scotland, 1562]
  1st: John Stewart (1562-c Nov 1563)
  2nd: Francis Stewart (c Nov 1563-4 Nov 1613)

Baron Dartmouth, of Dartmouth, Devon    [England, 1682]
  1st: George Legge (2 Dec 1682-25 Oct 1691)
  2nd: William Legge (25 Oct 1691-15 Dec 1750)
  3rd: William Legge (15 Dec 1750-15 Jul 1801)
  4th: George Legge (15 Jul 1801-10 Nov 1810)
  5th: William Legge (10 Nov 1810-22 Nov 1853)
  6th: William Walter Legge (22 Nov 1853-4 Aug 1891)
  7th: William Heneage Legge (4 Aug 1891-11 Mar 1936)
  8th: William Legge (11 Mar 1936-28 Feb 1958)
  9th: Humphrey Legge (28 Feb 1958-16 Oct 1962)
10th: Gerald Humphrey Legge (16 Oct 1962-14 Dec 1997)
11th: William Legge (14 Dec 1997- )

Baron Dartrey, of Dartrey, co. Monaghan    [United Kingdom, 1847]
  1st: Richard Dawson (20 Sep 1847-12 May 1897)
  2nd: Vesey Dawson (12 May 1897-14 Jun 1920)
  3rd: Anthony Lucius Dawson (14 Jun 1920-9 Feb 1933)

Baron Dartrey, of Dawson's Grove, co. Monaghan    [Ireland, 1770]
  1st: Thomas Dawson (28 May 1770-1 Mar 1813)

Baron Darwen, of Heys-in-Bowland, in the West Riding of Yorkshire    [United Kingdom, 1946]
  1st: John Percival Davies (12 Feb 1946-26 Dec 1950)
  2nd: Cedric Percival Davies (26 Dec 1950-1988)
  3rd: Roger Michael Davies (1988-26 May 2011)
  4th: Paul Davies (26 May 2011- )

Baron Daryngton, of Witley, Surrey    [United Kingdom, 1923]
  1st: Herbert Pike Pease (12 Feb 1923-10 May 1949)
  2nd: Jocelyn Arthur Pike Pease (10 May 1949-1994)

Baron of Dauntsey    [England, 1664]
  1st: James Stuart (23 Aug 1664-20 Jun 1667)

Baron of Dauntsey    [England, 1667]
  1st: Edgar Stuart (7 Oct 1667-8 Jun 1671)

Baron Daventree, co. Northampton    [England, 1623]
  1st: Christopher Villiers (18 Apr 1623-3 Apr 1630)
  2nd: Charles Villiers (3 Apr 1630-c Feb 1661)

Baron Davidson of Lambeth, of Lambeth, co. London    [United Kingdom, 1928]
  1st: Randall Thomas Davidson (14 Nov 1928-25 May 1930)

Baron Davies, of Llandinam, co. Montgomery    [United Kingdom, 1932]
  1st: David Davies (21 Jun 1932-16 Jun 1944)
  2nd: David Michael Davies (16 Jun 1944-25 Sep 1944)
  3rd: David Davies (25 Sep 1944- )

Baron Dawnay of Cowick, co. York    [Great Britain, 1796]
  1st: John Christopher Burton Dawnay (9 Jun 1796-18 Feb 1832)

Baron Dawnay of Danby    [United Kingdom, 1897]
  1st: Hugh Richard Dawnay (24 Jul 1897-21 Jan 1924)
  2nd: John Dawnay (21 Jan 1924-1 Dec 1931)
  3rd: Richard Dawnay (1 Dec 1931-8 Dec 1965)
  4th: John Christian George Dawnay (8 Dec 1965-15 Mar 2002)
  5th: Richard Henry Dawnay (15 Mar 2002- )

Lord Dawson, Baron Dawson of Dawson's Court, in the Queen's County    [Ireland, 1770]
  1st: William Henry Dawson (29 May 1770-22 Aug 1779)
  2nd: John Dawson (22 Aug 1779-25 Nov 1798)
  3rd: John Dawson (25 Nov 1798-28 Dec 1845)
  5th: Lionel Seymour William Dawson-Damer ( -17 Dec 1892)
  6th: Lionel George Henry Seymour Dawson-Damer (17 Dec 1892-31 Aug 1900)
  7th: Lionel George Henry Seymour Dawson-Damer (31 Aug 1900-4 Jul 1959)
  8th: George Lionel Yuill Seymour Dawson-Damer (4 Jul 1959- )

Baron Dawson of Penn, co. Buckingham    [United Kingdom, 1920]
  1st: Bertrand Edward Dawson (9 Feb 1920-7 Mar 1945)

Baron De L'Isle and Dudley of Penshurst, co. Kent    [United Kingdom, 1835]
  1st: Philip Charles Sidney (13 Jan 1835-4 Mar 1851)
  2nd: Philip Sidney (4 Mar 1851-17 Feb 1898)
  3rd: Philip Sidney (17 Feb 1898-24 Dec 1922)
  4th: Algernon Sidney (24 Dec 1922-18 Apr 1945)
  5th: William Sidney (18 Apr 1945-18 Jun 1945)
  6th: William Philip Sidney (18 Jun 1945-5 Apr 1991)
  7th: Philip John Algernon Sidney (5 Apr 1991- )

Baron Decies, of Decies, co. Waterford    [Ireland, 1812]
  1st: William Beresford (22 Dec 1812-6 Sep 1819)
  2nd: John Horsley-Beresford (6 Sep 1819-1 Mar 1865)
  3rd: William Robert John Horsley-Beresford (1 Mar 1865-3 Jul 1893)
  4th: William Marcus de la Poer Horsley-Beresford (3 Jul 1893-30 Jul 1910)
  5th: John Graham Hope de la Poer Beresford (30 Jul 1910-31 Jan 1944)
  6th: Arthur George Marcus Douglas de la Poer Beresford (31 Jan 1944-1992)
  7th: Marcus Hugh Tristram de la Poer Beresford (1992- )

Lord Deincourt    [England, 1299]
  3rd: William Deincourt ( -15 Oct 1381)

Baron Deincourt, of Sutton, co. Derby    [England, 1624]
  1st: Francis Leke (26 Oct 1624-9 Apr 1665)
  2nd: Nicholas Leke (9 Apr 1665-27 Jan 1681)
  3rd: Robert Leke (27 Jan 1681-27 Dec 1707)
  4th: Nicholas Leke (1707-1736)

Baron Delamer of Dunham Massey, co. Chester    [England, 1661]
  1st: George Booth (20 Apr 1661-8 Aug 1684)
  2nd: Henry Booth (8 Aug 1684-2 Jan 1694)
  3rd: George Booth (2 Jan 1694-2 Aug 1758)
  4th: Nathaniel Booth (2 Aug 1758-9 Jan 1770)

Baron Delamere of Vale Royal, co. Chester    [United Kingdom, 1821]
  1st: Thomas Cholmondeley (17 Jul 1821-30 Oct 1855)
  2nd: Hugh Cholmondeley (30 Oct 1855-1 Aug 1887)
  3rd: Hugh Cholmondeley (1 Aug 1887-13 Nov 1931)
  4th: Thomas Pitt Hamilton Cholmondeley (13 Nov 1931-13 Apr 1979)
  5th: Hugh George Cholmondeley (13 Apr 1979- )

Baron Delaval of Redford, co. Wicklow    [Ireland, 1783]
  1st: John Hussey Delaval (17 Oct 1783-1808)

Lord Delaval of Seaton Delaval, co. Northumberland    [Great Britain, 1786]
  1st: John Hussey Delaval (21 Aug 1786-1808)

Baron Delaware    [England, 1570]
  1st: William West (5 Feb 1570-30 Dec 1595)
  2nd: Thomas West (30 Dec 1595-24 Mar 1602)
  3rd: Thomas West (24 Mar 1602-7 Jun 1618)
  4th: Henry West (7 Jun 1618-1 Jun 1628)
  5th: Charles West (1 Jun 1628-22 Dec 1687)
  6th: John West (22 Dec 1687-26 May 1723)
  7th: John West (26 May 1723-16 Mar 1766)
  8th: John West (16 Mar 1766-22 Nov 1777)
  9th: William Augustus West (22 Nov 1777-Jan 1783)
10th: John Richard West (Jan 1783-28 Jul 1795)
11th: George John Sackville-West (28 Jul 1795-23 Feb 1869)
12th: Charles Richard Sackville-West (23 Feb 1869-23 Apr 1873)
13th: Reginald Windsor Sackville (23 Apr 1873-5 Jan 1896)
14th: Gilbert George Reginald Sackville (5 Jan 1896-16 Dec 1915)
15th: Herbrand Edward Dundonald Brassey Sackville (16 Dec 1915-28 Jan 1976)
16th: William Herbrand Sackville (28 Jan 1976-9 Feb 1988)
17th: William Herbrand Sackville (9 Feb 1988- )

Baron Delvin    [Ireland, 1451]
  1st: Richard Nugent (1451-1475)
  2nd: Christopher Nugent (1473-1478)
  3rd: Richard Nugent (1478-28 Feb 1538)
  4th: Richard Nugent (28 Feb 1538-23 Nov 1559)
  5th: Christopher Nugent (10 Dec 1559-26 Aug 1602)
  6th: Richard Nugent (26 Aug 1602-a May 1642)
  7th: Richard Nugent (a May 1642-b 25 Feb 1684)
  8th: Richard Nugent (25 Feb 1684-Apr 1714)
  9th: Thomas Nugent (Apr 1714-30 Jun 1752)
10th: John Nugent (30 Jun 1752-3 Jul 1754)
11th: Thomas Nugent (3 Jul 1754-7 Sep 1792)
12th: George Frederick Nugent (7 Sep 1792-30 Dec 1814)
13th: George Thomas John Nugent (30 Dec 1814-5 May 1871)
14th: Anthony Francis Nugent (5 May 1871-12 May 1879)
15th: William St. George Nugent (12 May 1879-31 May 1883)
16th: Anthony Francis Nugent (31 May 1883-12 Dec 1933)
17th: Gilbert Charles Nugent (12 Dec 1933-20 Nov 1971)
18th: William Anthony Nugent (20 Nov 1971- )

Baron Denham, of Weston Underwood, co. Buckingham    [United Kingdom, 1937]
  1st: George Edward Wentworth Bowyer (24 May 1937-30 Nov 1948)
  2nd: Bertram Stanley Mitford Bowyer (30 Nov 1948- )

Baron Denman of Dovedale, co. Derby    [United Kingdom, 1834]
  1st: Thomas Denman (28 Mar 1834-22 Sep 1854)
  2nd: Thomas Aitchison-Denman (22 Sep 1854-9 Aug 1894)
  3rd: Thomas Denman (9 Aug 1894-24 Jun 1954)
  4th: Thomas Denman (24 Jun 1954-21 Mar 1971)
  5th: Charles Spencer Denman (21 Mar 1971-21 Nov 2012)
  6th: Richard Thomas Stewart Denman (21 Nov 2012- )

Baron Denton, of Denton, co. Kent    [United Kingdom, 1914]
  1st: Horatio Herbert Kitchener (27 Jul 1914-5 Jun 1916)
  2nd: Henry Elliott Chevallier Kitchener (5 Jun 1916-27 Mar 1937)
  3rd: Henry Herbert Kitchener (27 Mar 1937-16 Dec 2011)

Baron Deramore of Belvoir, co. Down    [United Kingdom, 1885]
  2nd: George William Yarburgh-Bateson (1 Dec 1890-29 Apr 1893)
  3rd: Robert Wilfred Yarburgh-Bateson (29 Apr 1893-1 Apr 1936)
  4th: George Nicholas Yarburgh-Bateson (1 Apr 1936-4 Nov 1943)
  5th: Stephen Nicholas Yarburgh-Bateson (4 Nov 1943-23 Dec 1964)
  6th: Richard Arthur Yarburgh-Bateson (23 Dec 1964-20 Aug 2006)

Baron Deramore of Belvoir, of Belvior Park, co. Down    [United Kingdom, 1885]
  1st: Thomas Bateson (18 Nov 1885-1 Dec 1890)

Baron Derwent, of Hackness, in the North Riding of co. York    [United Kingdom, 1881]
  1st: Harcourt Vanden-Bempde-Johnstone (10 Oct 1881-1 Mar 1916)
  2nd: Francis Vanden-Bempde-Johnstone (1 Mar 1916-20 Apr 1929)
  3rd: George Harcourt Vanden-Bempde-Johnstone (20 Apr 1929-12 Jan 1949)
  4th: Patrick Robin Gilbert Vanden-Bempde-Johnstone (12 Jan 1949-1986)
  5th: Robin Evelyn Leo Vanden-Bempde-Johnstone (1986- )

Baron Desart    [United Kingdom, 1909]
  1st: Hamilton John Agmondesham Cuffe (12 May 1909-4 Nov 1934)

Baron Desart, co. Kilkenny    [Ireland, 1733]
  1st: John Cuffe (10 Nov 1733-1749)
  2nd: John Cuffe (1749-1767)
  3rd: Otway Cuffe (1767-9 Aug 1804)
  4th: John Otway Cuffe (9 Aug 1804-22 Nov 1820)
  5th: Otway O'Conner Cuffe (22 Nov 1820-1 Apr 1865)
  5th: Hamilton John Agmondesham Cuffe (15 Sep 1898-4 Nov 1934)
  6th: William Ulick O'Connor Cuffe (1 Apr 1865-15 Sep 1898)

Baron Desborough, of Taplow, co. Buckingham    [United Kingdom, 1905]
  1st: William Henry Grenfell (30 Dec 1905-9 Jan 1945)

Baroness le Despencer    [England, 1314]
13th: Mary Frances Elizabeth Stapleton (3 Oct 1831-20 Nov 1891)

Lord Despenser    [England, 1387]
  2nd: unknown Despenser ( -20 Jun 1424)
  3rd: Margaret Despenser ( -20 Apr 1478)
  4th: Richard Wentworth (27 Feb 1500- )
  4th: Henry Wentworth ( -bt 1499-1501)
  6th: Thomas Wentworth ( -3 Mar 1551)
  7th: Thomas Wentworth (3 Mar 1551-13 Jan 1584)
  8th: Henry Wentworth (13 Jan 1584-16 Aug 1593)
  9th: Thomas Wentworth (16 Aug 1593-25 Mar 1667)
11th: Henrietta Maria Wentworth (1 Mar 1665-23 Apr 1686)
11th: Anne Wentworth (23 Apr 1686-7 May 1697)
12th: Martha Lovelace (7 May 1697-18 Jul 1745)
13th: Edward Noel (18 Jul 1745-31 Oct 1774)
14th: Thomas Noel (31 Oct 1774-17 Apr 1815)
15th: Anne Isabella Noel (12 Nov 1856-16 May 1860)
16th: Byron Noel King-Noel (16 May 1860-1 Sep 1862)
17th: Ralph Gordon Noel King-Milbanke (1 Sep 1862-28 Aug 1906)
18th: Ada Mary King (28 Aug 1906-18 Jun 1917)
19th: Anne Isabella Noel King-Noel (18 Jun 1917-15 Dec 1917)
20th: Judith Anne Dorothea Blunt (15 Dec 1917-8 Aug 1957)

Baron Devonport, of Wittington, co. Buckingham    [United Kingdom, 1910]
  1st: Hudson Ewbanke Kearley (15 Jul 1910-5 Sep 1934)
  2nd: Gerald Chester Kearley (5 Sep 1934-29 Mar 1973)
  3rd: Terence Kearley (29 Mar 1973- )

Baron Dewar, of Homestall, co. Sussex    [United Kingdom, 1919]
  1st: Thomas Robert Dewar (20 May 1919-11 Apr 1930)

Baron Dickinson, of Painswick, co. Gloucester    [United Kingdom, 1930]
  1st: Willougby Hyett Dickinson (18 Jan 1930-31 May 1943)
  2nd: Richard Clavering Hyett Dickinson (31 May 1943- )

Baron Digby of Geashill, King's County    [Ireland, 1620]
  1st: Robert Digby (29 Jul 1620-6 Jun 1642)
  2nd: Kildare Digby (7 Jun 1642-11 Jul 1661)
  3rd: Robert Digby (11 Jul 1661-29 Dec 1677)
  4th: Simon Digby (29 Jul 1677-19 Jan 1685)
  5th: William Digby (19 Jan 1685-29 Nov 1752)
  6th: Edward Digby (29 Nov 1752-30 Nov 1757)
  7th: Henry Digby (30 Nov 1757-25 Sep 1793)
  8th: Edward Digby (25 Sep 1793-12 May 1856)
  9th: Edward St. Vincent Digby (12 May 1856-16 Oct 1889)
10th: Edward Henry Trafalgar Digby (16 Oct 1889-11 May 1920)
11th: Edward Kenelm Digby (11 May 1920-29 Jan 1964)
12th: Edward Henry Kenelm Digby (29 Jan 1964- )

Baron Digby of Sherborne, co. Dorset    [England, 1618]
  1st: John Digby (25 Nov 1618-21 Jan 1653)
  2nd: George Digby (9 Jun 1641-20 Mar 1677)
  3rd: John Digby (20 Mar 1677-18 Sep 1698)

Baron Digby of Sherborne, co. Dorset    [Great Britain, 1765]
  1st: Henry Digby (13 Aug 1765-25 Sep 1793)
  2nd: Edward Digby (25 Sep 1793-12 May 1856)
  3rd: Edward St. Vincent Digby (12 May 1856-16 Oct 1889)
  4th: Edward Henry Trafalgar Digby (16 Oct 1889-11 May 1920)
  5th: Edward Kenelm Digby (11 May 1920-29 Jan 1964)
  6th: Edward Henry Kenelm Digby (29 Jan 1964- )

Baron Dilhorne, of Towcester, co. Northampton    [United Kingdom, 1962]
  1st: Reginald Edward Manningham-Buller (17 Jul 1962-7 Sep 1980)
  2nd: John Mervyn Manningham-Buller (7 Sep 1980- )

Lord Dingwall    [Scotland, 1584]
  1st: Andrew Keith (18 Mar 1584- )

Lord Dingwall, of co. Ross    [Scotland, 1609]
  1st: Richard Preston (8 Jun 1609-28 Oct 1628)
  2nd: Elizabeth Preston (28 Oct 1628-21 Jul 1684)
  3rd: James Butler (21 Jul 1684-16 Nov 1745)
  4th: Francis Thomas de Grey Cowper (15 Aug 1871-18 Jul 1905)
  5th: Auberon Thomas Herbert (19 Jul 1905-3 Nov 1916)
  6th: Nan Ino Herbert (4 Nov 1916-23 Nov 1958)
  7th: Anne Rosemary Cooper (23 Nov 1958-31 Dec 1991)
  8th: Ralph Matthew Palmer (31 Dec 1991- )

Lord Dinham    [England, 1295]
  6th: John Dinham
  7th: John Dinham

Lord Dirletoun    [Scotland, 1619]
  1st: Thomas Erskine (12 Mar 1619-12 Jun 1639)
  2nd: Thomas Erskine (12 Jun 1639-3 Feb 1643)
  3rd: Alexander Erskine (11 Feb 1633-May 1677)
  4th: Alexander Erskine (14 Sep 1677-8 Mar 1710)
  5th: Alexander Erskine (8 Mar 1710-3 Apr 1756)
  6th: Thomas Alexander Erskine (3 Apr 1756-9 Oct 1781)
  7th: Archibald Erskine (9 Oct 1781-8 May 1797)
  8th: Charles Erskine (8 May 1797-28 Oct 1799)
  9th: Thomas Erskine (28 Oct 1799-6 Feb 1828)
10th: Methven Erskine (6 Feb 1828-3 Dec 1829)
11th: John Francis Miller Erskine (3 Dec 1829-19 Jun 1866)
12th: Walter Coningsby Erskine (19 Jun 1866-15 Jan 1872)
13th: Walter Henry Erskine (15 Jan 1872-16 Sep 1888)
14th: Walter John Francis Erskine (16 Sep 1888-3 Jun 1955)
15th: John Francis Hervey Erskine (3 Jun 1955-1993)
16th: James Thorne Erskine (1993- )

Lord Dockwra, Baron of Culmore    [Ireland, 1621]
  1st: Henry Dockwra (25 May 1621- )

Baron Doneraile, of Doneraile, co. Cork    [Ireland, 1776]
  1st: St. Leger St. Leger (2 Jul 1776-15 May 1787)
  2nd: Hayes St. Leger (15 May 1787-8 Nov 1819)
  3rd: Hayes St. Leger (8 Nov 1819-27 Mar 1854)
  4th: Hayes St. Leger (27 Mar 1854-26 Aug 1887)
  5th: Richard Arthur St. Leger (26 Aug 1887-1 Jan 1891)
  6th: Edward St. Leger (1 Jan 1891-7 Sep 1941)
  7th: Hugh St. Leger (7 Sep 1941-18 Dec 1956)
  8th: Algernon Edward St. Leger (18 Dec 1956-18 Nov 1957)
  9th: Richard St. John St. Leger (18 Nov 1957-1983)
10th: Richard Allen St. Leger (1983- )

Baron Donington, of Donington Park, co. Leicester    [United Kingdom, 1880]
  1st: Charles Frederick Abney-Hastings (4 May 1880-24 Jul 1895)
  2nd: Charles Edward Rawdon-Hastings (24 Jul 1895-17 May 1920)
  3rd: Gilbert Theophilus Clifton Clifton-Hastings-Campbell (17 May 1920-31 May 1927)

Baroness Donoughmore of Knocklofty, co. Tipperary    [Ireland, 1783]
  1st: Christiana Nickson (16 Oct 1783-24 Jun 1788)
  2nd: Richard Hely Hely Hutchinson (24 Jun 1788-22 Aug 1825)
  3rd: John Hely Hutchinson (22 Aug 1825-29 Jun 1832)
  4th: John Hely Hutchinson (29 Jun 1832-14 Sep 1851)
  5th: Richard John Hely Hutchinson (14 Sep 1851-22 Feb 1866)
  6th: John Luke George Hely Hutchinson (22 Feb 1866-5 Dec 1900)
  7th: Richard Walter John Hely Hutchinson (5 Dec 1900-19 Oct 1948)
  8th: John Michael Henry Hely Hutchinson (19 Oct 1948-1981)
  9th: Richard Michael John Hely Hutchinson (1981- )

Baron Dorchester, of Dorchester, co. Oxford    [Great Britain, 1786]
  1st: Guy Carleton (21 Aug 1786-10 Nov 1808)
  2nd: Arthur Henry Carleton (10 Nov 1808-1826)
  3rd: Guy Carleton (1826-3 Dec 1875)
  4th: Dudley Wilmot Carleton (3 Dec 1875-18 Nov 1897)

Baroness Dorchester, of Dorchester, co. Oxford    [United Kingdom, 1899]
  1st: Henrietta Anne Carleton (2 Aug 1899-2 Mar 1925)
  2nd: Dudley Massey Pigott Carleton (2 Mar 1925-20 Jan 1963)

Baron Dormer of Wyng, co. Buckingham    [England, 1615]
  1st: Robert Dormer (30 Jun 1615-8 Nov 1616)
  2nd: Robert Dormer (8 Nov 1616-20 Sep 1643)
  3rd: Charles Dormer (20 Sep 1643-29 Nov 1709)
  4th: Rowland Dormer (20 Nov 1709-27 Sep 1712)
  5th: Charles Dormer (17 Sep 1712-2 Jul 1728)
  6th: Charles Dormer (2 Jul 1728-7 Mar 1761)
  7th: John Dormer (7 Mar 1761-7 Oct 1785)
  8th: Charles Dormer (7 Oct 1785-30 Mar 1804)
  9th: Charles Dormer (30 Mar 1804-2 Apr 1819)
10th: John Evelyn Pierrepont Dormer (2 Apr 1819-9 Dec 1826)
11th: Joseph Thaddeus Dormer (9 Dec 1826-5 Jul 1871)
12th: John Baptist Joseph Dormer (5 Jul 1871-22 Dec 1900)
13th: Roland John Dormer (22 Dec 1900-9 Feb 1920)
14th: Charles Joseph Thaddeus Dormer (9 Feb 1920-4 May 1922)
15th: Charles Walter James Dormer (4 May 1922-27 Aug 1975)
16th: Joseph Spencer Philip Dormer (27 Aug 1975-Dec 1995)
17th: Geoffrey Henry Dormer (Dec 1995- )

Lord Douglas    [Scotland, 1476]
  1st: Archibald Douglas (1476-bt 1513-1514)
  2nd: Archibald Douglas (9 Sep 1513-Jan 1557)

Baron Douglas of Baads, co. Midlothian    [United Kingdom, 1911]
  1st: Aretas Akers-Douglas (6 Jul 1911-15 Jan 1926)
  2nd: Aretas Akers-Douglas (15 Jan 1926-25 Jul 1947)
  3rd: Eric Alexander Akers-Douglas (25 Jul 1947-10 Apr 1982)
  4th: Alastair George Akers-Douglas (10 Apr 1982- )

Baron Douglas of Barloch, of Maxfield in the County of Sussex    [United Kingdom, 1950]
  1st: Francis Campbell Ross Douglas (18 Apr 1950- )

Lord Douglas of Bonkill, Prestoun and Robertoun    [Scotland, 1703]
  1st: Archibald Douglas (10 Apr 1703-21 Jul 1761)

Baron Douglas of Douglas, co. Lanark    [Great Britain, 1790]
  2nd: Archibald Douglas (26 Dec 1827-27 Jan 1844)
  3rd: Charles Douglas (27 Jan 1844-10 Sep 1848)
  4th: James Douglas (10 Sep 1848-6 Apr 1857)

Baron Douglas of Douglas, co. Lanark    [United Kingdom, 1875]
  1st: Cospatrick Alexander Home (11 Jun 1875-4 Jul 1881)
  2nd: Charles Alexander Douglas-Home (4 Jul 1881-30 Apr 1918)
  3rd: Charles Cospatrick Archibald Douglas-Home (30 Apr 1918-11 Jul 1951)
  4th: Alexander Frederick Douglas-Home (11 Jul 1951-9 Oct 1995)
  5th: David Alexander Cospatrick Douglas-Home (9 Oct 1995- )

Lord Douglas of Ettrick    [Scotland, 1675]
  1st: George Douglas (9 Mar 1675-20 Mar 1692)

Baron Douglas of Kirtleside, of Dornock, co. Dumfries    [United Kingdom, 1948]
  1st: William Sholto Douglas (17 Feb 1948-30 Oct 1969)

Baron Douglas of Lochleven, co. Kinross    [Great Britain, 1791]
  1st: George Douglas (11 Aug 1791-17 Jul 1827)

Lord Doune    [Scotland, 1581]
  1st: James Stewart (24 Nov 1581-20 Jul 1590)
  2nd: James Stuart (20 Jul 1590-7 Feb 1592)
  3rd: James Stuart (7 Feb 1592-6 Aug 1638)
  4th: James Stuart (6 Aug 1638-4 Mar 1653)
  5th: Alexander Stuart (4 Mar 1653-1 Nov 1700)
  6th: Charles Stuart (1 Nov 1700-7 Oct 1735)
  7th: Francis Stuart (7 Oct 1735-11 Dec 1739)
  8th: James Stuart (11 Dec 1739-5 Jul 1767)
  9th: Francis Stuart (5 Jul 1767-28 Aug 1810)
10th: Francis Stuart (28 Aug 1810-12 Jan 1848)
11th: Francis Stuart (12 Jan 1848-6 May 1859)
12th: John Stuart (6 May 1859-8 Nov 1867)
13th: Archibald George Stuart (8 Nov 1867-12 Feb 1872)
14th: George Philip Stuart (12 Feb 1872-16 Mar 1895)
15th: Edmund Archibald Stuart (16 Mar 1895-11 Jun 1901)
16th: Francis James Stuart (11 Jun 1901-20 Nov 1909)
17th: Morton Gray Stuart (20 Nov 1909-19 Apr 1930)
18th: Francis Douglas Stuart (19 Apr 1930-9 Jul 1943)
19th: Archibald John Morton Stuart (9 Jul 1943-27 Mar 1974)
20th: Douglas John Moray Stuart (27 Mar 1974-23 Sep 2011)
21st: John Douglas Stuart (23 Sep 2011- )

Baron Douro of Wellesley    [United Kingdom, 1809]
  1st: Arthur Wellesley (4 Sep 1809-14 Sep 1852)
  2nd: Arthur Richard Wellesley (14 Sep 1852-13 Aug 1884)
  3rd: Henry Wellesley (13 Aug 1884-8 Jun 1900)
  4th: Arthur Charles Wellesley (8 Jun 1900-18 Jun 1934)
  5th: Arthur Charles Wellesley (18 Jun 1934-11 Dec 1941)
  6th: Henry Valerian George Wellesley (11 Dec 1941-16 Sep 1943)
  7th: Gerald Wellesley (16 Sep 1943-4 Jan 1972)
  8th: Arthur Valerian Wellesley (4 Jan 1972- )

Lord Dover, Baron of the Town and Port of Dover, co. Kent    [Great Britain, 1788]
  1st: Joseph Yorke (18 Sep 1788-2 Dec 1792)

Baron Dover, of Dover, Kent    [United Kingdom, 1831]
  1st: George James Welbore Agar-Ellis (20 Jun 1831-10 Jul 1833)
  2nd: Henry Agar-Ellis (10 Jul 1833-20 Feb 1866)
  3rd: Henry George Agar (20 Feb 1866-28 Mar 1895)
  4th: Leopold George Frederick Agar-Ellis (28 Mar 1895-10 Sep 1899)

Baron Dovercourt, of Harwich, co. Essex    [United Kingdom, 1954]
  1st: Joseph Stanley Holmes (18 Jan 1954-22 Apr 1961)

Baron Doverdale, of Westwood Park, co. Worcester    [United Kingdom, 1917]
  1st: Edward Partington (6 Jan 1917-5 Jan 1925)
  2nd: Oswald Partington (5 Jan 1925-23 May 1935)
  3rd: Edward Alexander Partington (23 May 1935-18 Jan 1949)

Baron Dowding, of Bentley Priory, co. Middlesex    [United Kingdom, 1943]
  1st: Hugh Caswall Tremenheere Dowding (5 Jul 1943-15 Feb 1970)
  2nd: Derek Hugh Tremenheere Dowding (15 Feb 1970-22 Nov 1992)
  3rd: Piers Hugh Tremenheere Dowding (22 Nov 1992- )

Baron Downham, of Fulham, co. London    [United Kingdom, 1918]
  1st: William Hayes Fisher (16 Nov 1918-2 Jul 1920)

Baron Downpatrick    [United Kingdom, 1934]
  1st: George Edward Alexander Edmund Windsor (12 Oct 1934-25 Aug 1942)

Baron Drumalbyn, of Whitesands, co. Dumfries    [United Kingdom, 1963]
  1st: Niall Malcolm Stewart Macpherson (9 Nov 1963-11 Oct 1987)

Lord Drummond    [Scotland, 1488]
  1st: John Drummond (29 Jan 1488-c 1519)
  2nd: David Drummond (1519-1571)
  3rd: Patrick Drummond (1571-c 1602)
  4th: James Drummond (c 1602-8 Dec 1611)

Lord Ducie, Baron of Moreton, co. Stafford    [Great Britain, 1720]
  1st: Matthew Ducie Moreton (9 Jun 1720-2 May 1735)
  2nd: Matthew Moreton (2 May 1735-25 Dec 1770)

Baron Ducie of Tortworth, co. Gloucester    [Great Britain, 1763]
  1st: Matthew Moreton (27 Apr 1763-25 Dec 1770)
  2nd: Thomas Reynolds-Moreton (25 Dec 1770-11 Sep 1785)
  3rd: Francis Reynolds-Moreton (11 Sep 1785-19 Aug 1808)
  4th: Thomas Reynolds-Moreton (19 Aug 1808-22 Jun 1840)
  5th: Henry George Francis Reynolds-Moreton (22 Jun 1840-2 Jun 1853)
  6th: Henry John Reynolds-Moreton (2 Jun 1853-28 Oct 1921)
  7th: Berkeley Basil Moreton (28 Oct 1921-7 Aug 1924)
  8th: Capel Henry Berkeley Reynolds Moreton (7 Aug 1924-17 Jun 1952)
  9th: Basil Howard Moreton (17 Jun 1952-1991)
10th: David Leslie Moreton (1991- )

Baron Dufferin and Clandeboye of Ballyleidy and Killyleagh, co. Down    [Ireland, 1800]
10th: Francis George Blackwood (1988-1991)
11th: John Francis Blackwood (1991- )

Baroness Dufferin and Claneboye of Ballyleidy and Killyleagh, co. Down    [Ireland, 1800]
  1st: Dorcas Stevenson (31 Jul 1800-8 Feb 1807)
  2nd: James Stevenson Blackwood (8 Feb 1807-8 Aug 1836)
  3rd: Hans Blackwood (8 Aug 1836-18 Nov 1839)
  4th: Price Blackwood (18 Nov 1839-21 Jul 1841)
  5th: Frederick Temple Hamilton-Temple-Blackwood (21 Jul 1841-12 Feb 1902)
  6th: Terence John Temple Hamilton-Temple-Blackwood (12 Feb 1902-11 Feb 1919)
  7th: Frederick Temple Hamilton-Temple-Blackwood (7 Feb 1918-21 Jul 1930)
  8th: Basil Sheridan Hamilton-Temple-Blackwood (21 Jul 1930-25 Mar 1945)
  9th: Sheriden Frederick Terence Hamilton-Temple-Blackwood (25 Mar 1945-1988)

Lord Duffus    [Scotland, 1650]
  1st: Alexander Sutherland (8 Dec 1650-31 Aug 1674)
  2nd: James Sutherland (31 Aug 1674-24 Sep 1705)
  3rd: Kenneth Sutherland (24 Sep 1705-18 Mar 1734)
  4th: James Sutherland (25 May 1826-30 Jan 1827)
  5th: Benjamin Dunbar (30 Jan 1827-Feb 1843)
  6th: George Sutherland Dunbar (27 Jan 1843-28 Aug 1875)

Baron Dugan of Victoria, of Lurgan, co. Armagh    [United Kingdom, 1949]
  1st: Winston Joseph Dugan (7 Jul 1949-17 Aug 1951)

Baron Dukeston, of Warrington in the County of Palatine of Lancaster    [United Kingdom, 1947]
  1st: Charles Dukes (1 Apr 1947-14 May 1948)

Baron Dulverton, of Batsford, co. Gloucester    [United Kingdom, 1929]
  1st: Gilbert Alan Hamilton Wills (8 Jul 1929-1 Dec 1956)
  2nd: Frederick Anthony Hamilton Wills (1 Dec 1956-17 Feb 1992)
  3rd: Gilbert Michael Hamilton Wills (1992- )

Baron Dunalley of Kilboy, co. Tipperary    [Ireland, 1800]
  1st: Henry Prittie (31 Jul 1800-3 Jan 1801)
  2nd: Henry Sadleir Prittie (3 Jan 1801-10 Oct 1854)
  3rd: Henry Prittie (10 Oct 1854-10 Sep 1885)
  4th: Henry O'Callaghan Prittie (10 Sep 1885-5 Aug 1927)
  5th: Henry Cornelius O'Callaghan Prittie (5 Aug 1927-3 May 1948)
  6th: Henry Desmond Graham Prittie (3 May 1948-1992)
  7th: Henry Francis Cornelius Prittie (1992- )

Baron Dunboyne    [Ireland, 1324]
  1st: Thomas Butler (1324-9 Oct 1329)
  2nd: Piers Butler (9 Oct 1329-5 Aug 1370)
  3rd: Thomas 'MacPiarais' Butler (5 Aug 1370-b 7 Nov 1370)
  4th: William Butler (Nov 1376-1406)
  5th: Piers Butler (1406-28 Nov 1415)
  6th: Edmond Butler (28 Nov 1415-1419)
  7th: James Butler (1419-1445)
  8th: Edmond Butler (1445-1498)
  9th: James Butler (1498-1508)
10th: James Butler (1508-15 Jan 1538)
11th: Edmund Butler (28 Jan 1534-May 1567)
12th: James Butler (May 1567-8 Feb 1625)
13th: Edmund Butler (8 Feb 1625-17 May 1640)
14th: James Butler (17 May 1640-1662)
15th: Pierce Butler (1662-3 May 1690)
16th: James Butler (3 May 1690-Jan 1701)
17th: Pierce Butler (Jan 1701-1718)
18th: Edmond Butler (1718-1732)
19th: James Butler (1732-12 Dec 1768)
20th: Pierce Butler (12 Dec 1768-20 Aug 1773)
21st: Pierce Edmond Creagh Butler (20 Aug 1773-Dec 1785)
22nd: John Butler (Dec 1785-7 May 1800)
23rd: James Butler (7 May 1800-6 Jul 1850)
24th: Theobald FitzWalter Butler (6 Jul 1850-22 Mar 1881)
25th: James FitzWalter Clifford-Butler (22 Mar 1881-17 Aug 1899)
26th: Robert St. John FitzWalter Butler (17 Aug 1899-29 Aug 1913)
27th: FitzWalter George Probyn Butler (29 Aug 1913-9 May 1945)
28th: Patrick Theobald Tower Butler (9 May 1945-19 May 2004)
29th: John Fitzwalter Butler (19 May 2004-11 Jul 2013)
30th: Richard Pierce Theobald Butler (11 Jul 2013- )

Baron Dunboyne, co. Meath    [Ireland, 1541]
  1st: Edmund Butler (11 Jun 1541-May 1567)
  2nd: James Butler (May 1567-8 Feb 1625)
  3rd: Edmund Butler (8 Feb 1625-17 May 1640)
  4th: James Butler (17 May 1640-1662)
  5th: Pierce Butler (1662-3 May 1690)
  6th: James Butler (3 May 1690-Jan 1701)
  7th: Pierce Butler (Jan 1701-1718)
  8th: Edmond Butler (1718-1732)
  9th: James Butler (1732-12 Dec 1768)
10th: Pierce Butler (12 Dec 1768-20 Aug 1773)
11th: Pierce Edmond Creagh Butler (20 Aug 1773-Dec 1785)
12th: John Butler (Dec 1785-7 May 1800)
13th: James Butler (7 May 1800-6 Jul 1850)
14th: Theobald FitzWalter Butler (6 Jul 1850-22 Mar 1881)
15th: James FitzWalter Clifford-Butler (22 Mar 1881-17 Aug 1899)
16th: Robert St. John FitzWalter Butler (17 Aug 1899-29 Aug 1913)
17th: FitzWalter George Probyn Butler (29 Aug 1913-9 May 1945)
18th: Patrick Theobald Tower Butler (9 May 1945-19 May 2004)
19th: John Fitzwalter Butler (19 May 2004-11 Jul 2013)
20th: Richard Pierce Theobald Butler (11 Jul 2013- )

Baron Duncan of Lundie, co. Perth    [Great Britain, 1797]
  1st: Adam Duncan (30 Oct 1797-4 Aug 1804)
  2nd: Robert Dundas Duncan-Haldane (4 Aug 1804-22 Dec 1859)
  3rd: Adam Duncan-Haldane (22 Dec 1859-30 Jan 1867)
  4th: Robert Adam Philips Haldane-Duncan (30 Jan 1859-5 Jun 1918)
  5th: George Alexander Philips Haldane-Duncan (5 Jun 1918-5 Dec 1933)

Baron Duncannon of Bessborough, co. Kilkenny    [United Kingdom, 1834]
  1st: John William Ponsonby (19 Jul 1834-16 May 1847)
  2nd: John George Brabazon Ponsonby (16 May 1847-28 Jan 1880)
  3rd: Frederick George Brabazon Ponsonby (28 Jan 1880-11 Mar 1895)
  4th: Walter William Brabazon Ponsonby (11 Mar 1895-24 Feb 1906)
  5th: Edward Ponsonby (24 Feb 1906-1 Dec 1920)
  6th: Vere Brabazon Ponsonby (1 Dec 1920-10 Mar 1956)
  7th: Frederick Edward Neuflize Ponsonby (10 Mar 1956-5 Dec 1993)
  8th: Arthur Mountifort Longfield Ponsonby (5 Dec 1993-5 Apr 2002)
  9th: Myles Fitzhugh Longfield Ponsonby (5 Apr 2002- )

Baron Dundas of Aske, co. Orkney    [Great Britain, 1794]
  5th: Lawrence John Lumley Dundas (11 Mar 1929-6 Feb 1961)

Baron Dundas of Aske, co. York    [Great Britain, 1794]
  1st: Thomas Dundas (13 Aug 1794-14 Jun 1820)
  2nd: Lawrence Dundas (14 Jun 1820-19 Feb 1839)
  3rd: Thomas Dundas (19 Feb 1839-6 May 1873)
  4th: Lawrence Dundas (6 May 1873-11 Mar 1929)
  6th: Lawrence Aldred Mervyn Dundas (6 Feb 1961-5 Oct 1989)
  7th: Lawrence Mark Dundas (6 Oct 1989- )

Baron Dunedin, of Stenton, co. Perth    [United Kingdom, 1905]
  1st: Andrew Graham Murray (9 Mar 1905-21 Aug 1942)

Lord Dunglas    [Scotland, 1605]
  1st: Alexander Home (4 Mar 1605-5 Apr 1619)
  2nd: James Home (5 Apr 1619-c Feb 1633)
  3rd: James Home (Feb 1633-Dec 1666)
  4th: Alexander Home (Dec 1666-1674)
  5th: James Home (1674-1687)
  6th: Charles Home (1687-22 Jul 1706)
  7th: Alexander Home (22 Jul 1706-1720)
  8th: William Home (1720-28 Apr 1761)
  9th: Alexander Home (28 Apr 1761-8 Oct 1786)
10th: Alexander Ramey-Home (8 Oct 1786-21 Oct 1841)
11th: Cospatrick Alexander Home (21 Oct 1841-4 Jul 1881)
12th: Charles Alexander Douglas-Home (4 Jul 1881-30 Apr 1918)
13th: Charles Cospatrick Archibald Douglas-Home (30 Apr 1918-11 Jul 1951)
14th: Alexander Frederick Douglas-Home (11 Jul 1951-9 Oct 1995)
15th: David Alexander Cospatrick Douglas-Home (9 Oct 1995- )

Baron of Dunkellin    [Ireland, 1543]
  1st: Ulick Bourke (1 Jul 1543-19 Oct 1544)
  2nd: Richard Bourke (19 Oct 1544-24 Jul 1582)
  3rd: Ulick Bourke (24 Jul 1582-20 May 1601)
  4th: Richard Bourke (20 May 1601-12 Nov 1635)
  5th: Ulrick Bourke (12 Nov 1635-29 Apr 1658)
  6th: Richard Bourke (29 Apr 1658-Aug 1666)
  7th: William Bourke (Aug 1666-Oct 1687)
  8th: Richard Bourke (Oct 1687-a Nov 1702)
  9th: John Bourke (a Nov 1702-17 Oct 1722)
10th: Michael Bourke (3 Aug 1711-29 Nov 1726)
11th: John Smith Burgh (29 Nov 1726-21 Apr 1782)
12th: Henry Burgh (21 Apr 1782-8 Dec 1797)
13th: John Thomas Burgh (8 Dec 1797-27 Jul 1808)
14th: Ulick John Burgh (27 Jul 1808-10 Apr 1874)
15th: Herbert George Burgh-Canning (10 Apr 1874-12 Apr 1916)

Baron Dunkeron    [Ireland, 1751]
  1st: John Petty (7 Oct 1751-14 May 1761)
  2nd: William Petty (14 May 1761-7 May 1805)
  3rd: John Henry Petty (7 May 1805-15 Nov 1809)
  4th: Henry Petty-FitzMaurice (15 Nov 1809-31 Jan 1863)
  5th: Henry Petty-FitzMaurice (31 Jan 1863-5 Jul 1866)
  6th: Henry Charles Keith Petty-FitzMaurice (5 Jul 1866-3 Jun 1927)
  7th: Henry William Edmund Petty-FitzMaurice (3 Jun 1927-5 Mar 1936)
  8th: Charles Hope Petty-FitzMaurice (5 Mar 1936-20 Aug 1944)
  9th: George John Charles Mercer Nairne Petty-FitzMaurice (20 Aug 1944-25 Aug 1999)
10th: Charles Maurice Petty-FitzMaurice (25 Aug 1999- )

Baron Dunleath of Ballywalter, co. Down    [United Kingdom, 1892]
  1st: John Mulholland (29 Aug 1892-11 Dec 1895)
  2nd: Henry Lyle Mulholland (11 Dec 1895-22 Mar 1931)
  3rd: Charles Henry George Mulholland (22 Mar 1931-20 Jul 1956)
  4th: Charles Edward Henry John Mulholland (20 Jul 1956-1993)
  5th: Michael Henry Mulholland (1993-3 May 1997)
  6th: Brian Henry Mulholland (3 May 1997- )

Baron Dunmore, co. Kilkenny    [Ireland, 1619]
  1st: Richard Preston (11 Jul 1619-28 Oct 1628)

Baron Dunmore, in the Forest of Atholl, co. Perth    [United Kingdom, 1831]
  1st: George Murray (10 Sep 1831-11 Nov 1836)
  2nd: Alexander Edward Murray (11 Nov 1836-15 Jul 1845)
  3rd: Charles Adolphus Murray (15 Jul 1845-27 Aug 1907)
  4th: Alexander Edward Murray (27 Aug 1907-29 Jan 1962)
  5th: John Alexander Murray (29 Jan 1962-1980)

Baron Dunsandle and Clanconal, of Dunsandle, co. Galway    [Ireland, 1845]
  1st: James Daly (6 Jun 1845-7 Aug 1847)
  2nd: Denis St. George Daly (7 Aug 1847-11 Jan 1893)
  3rd: Skeffington James Daly (11 Jan 1893-7 Sep 1894)
  4th: James Frederick Daly (7 Sep 1894-25 Nov 1911)

Lord Dunsany    [Ireland, 1462]
  1st: Christopher Plunket (c 1462-1467)
  2nd: John Plunkett (1467-c 1500)
  3rd: Edward Plunkett (c 1500-23 Jan 1521)
  4th: Robert Plunkett (23 Jan 1521-31 Mar 1559)
  5th: Christopher Plunkett (31 Mar 1559-bt 1564-1565)
  6th: Patrick Plunkett (1565-17 Mar 1602)
  7th: Christopher Plunkett (17 Mar 1602-15 Dec 1603)
  8th: Patrick Plunkett (15 Dec 1603-a May 1668)
  9th: Christopher Plunkett (1668-1690)
10th: Randal Plunkett (1690-16 Mar 1735)
11th: Edward Plunkett (16 Mar 1735-9 Jun 1781)
12th: Randall Plunkett (9 Jun 1781-4 Apr 1821)
13th: Edward Wadding Plunkett (4 Apr 1821-11 Dec 1848)
14th: Randall Edward Plunkett (11 Dec 1848-7 Apr 1852)
15th: Edward Plunkett (7 Apr 1852-22 Feb 1889)
16th: John William Plunkett (22 Feb 1889-16 Jan 1899)
17th: Edward John Morton Drax Plunkett (16 Jan 1899-25 Oct 1957)
18th: Randal Arthur Henry Plunkett (25 Oct 1957-c 8 Feb 1999)
19th: Edward John Carlos Plunkett (6 Feb 1999-24 May 2011)
20th: Randal Plunkett (24 May 2011- )

Baron Dunsmore, co. Warwick    [England, 1628]
  1st: Francis Leigh (31 Jul 1628-21 Dec 1653)

Baron Durham of the City of Durham and of Lambton Castle, co. Durham    [United Kingdom, 1828]
  1st: John George Lambton (29 Jan 1828-28 Jul 1840)
  2nd: George Frederick D'Arcy Lambton (28 Jul 1840-27 Nov 1879)
  3rd: John George Lambton (27 Nov 1879-18 Sep 1928)
  4th: Frederick William Lambton (18 Sep 1928-31 Jan 1929)
  5th: John Frederick Lambton (31 Jan 1929-4 Feb 1970)
  6th: Antony Claude Frederick Lambton (4 Feb 1970-30 Dec 2006)
  7th: Edward Richard Lambton (30 Dec 2006- )

Baron of Dutton    [Great Britain, 1711]
  1st: James Hamilton (10 Sep 1711-15 Nov 1712)
  2nd: James Hamilton (15 Nov 1712-2 Mar 1743)
  3rd: James Hamilton (2 Mar 1743-17 Jan 1758)
  4th: James George Hamilton (17 Jan 1758-7 Jul 1769)
  5th: Douglas Hamilton (7 Jul 1769-2 Aug 1799)
  6th: Archibald Hamilton (2 Aug 1799-16 Feb 1819)
  7th: Alexander Hamilton (16 Feb 1819-18 Aug 1852)
  8th: William Alexander Anthony Archibald Hamilton (18 Aug 1852-15 Jul 1863)
  9th: William Alexander Louis Stephen Douglas-Hamilton (15 Jul 1863-16 May 1895)
10th: Alfred Douglas Douglas-Hamilton (16 May 1895-16 Mar 1940)
11th: Douglas Douglas-Hamilton (16 Mar 1940-1973)
12th: Angus Alan Douglas Douglas-Hamilton (1973-5 Jun 2010)
13th: Alexander Douglas Douglas-Hamilton (5 Jun 2010- )

Baron Duveen, of Milbank in the City of Westminster    [United Kingdom, 1933]
  1st: Joseph Duveen (3 Feb 1933-25 May 1939)

Baron Dynevor of Dynevor, co. Carmarthen    [Great Britain, 1780]
  1st: William Talbot (17 Oct 1780-27 Apr 1782)
  2nd: Cecil Cardonnel (1782-14 Mar 1793)
  3rd: George Talbot Rice (3 Aug 1779-9 Apr 1852)
  4th: George Rice-Trevor (9 Apr 1852-7 Oct 1869)
  5th: Francis William Rice (7 Oct 1869-3 Aug 1878)
  6th: Arthur de Cardonnel Rice (3 Aug 1878-8 Jun 1911)
  7th: Walter FitzUryan Rhys (8 Jun 1911-8 Jun 1956)
  8th: Charles Arthur Uryan Rhys (8 Jun 1956-1962)
  9th: Richard Charles Uryan Rhys (1962-12 Nov 2008)

Baron Earlsfort of Lisson-Earl, co. Tipperary    [Ireland, 1784]
  1st: John Henry Scott (10 May 1784-23 May 1798)
  2nd: Thomas Scott (23 May 1798-18 Jan 1838)
  3rd: John Henry Scott (18 Jan 1838-7 Feb 1866)
  4th: John Henry Reginald Scott (7 Feb 1866-22 Jun 1891)
  5th: Thomas Charles Scott (22 Jun 1891-18 Jun 1896)
  6th: Beauchamp Henry John Scott (18 Jun 1896-1 Feb 1898)
  7th: Rupert Charles Scott (2 Feb 1898-18 Nov 1928)
  8th: Dudley Alexander Charles Scott (18 Nov 1928-16 Jan 1935)

Baron Eccles, of Chute, co. Wilts    [United Kingdom, 1962]
  1st: David McAdam Eccles (1 Aug 1962-24 Feb 1999)
  2nd: John Dawson Eccles (24 Feb 1999- )

Baron Eden, of Norwood, Surrey    [United Kingdom, 1839]
  1st: George Eden (21 Dec 1839-1 Jan 1849)

Baron Egerton of Tatton, co. Chester    [United Kingdom, 1859]
  1st: William Tatton Egerton (15 Apr 1859-21 Feb 1883)
  2nd: Wilbraham Egerton (21 Feb 1883-16 Mar 1909)
  3rd: Alan de Tatton Egerton (16 Mar 1909-1920)
  4th: Maurice Egerton (1920-30 Jan 1958)

Baron Egremont    [England, 1449]
  1st: Thomas Percy (1449-10 Jul 1460)

Baron Egremont, of Petworth, co. Sussex    [United Kingdom, 1963]
  1st: John Edward Reginald Wyndham (27 Nov 1963-1973)
  2nd: John Max Henry Scawen Wyndham (1973- )

Baron Eldon, of Eldon, co. Durham    [Great Britain, 1799]
  1st: John Scott (18 Jul 1799-13 Jan 1838)
  2nd: John Scott (13 Jan 1838-18 Sep 1854)
  3rd: John Scott (18 Sep 1854-10 Aug 1926)
  4th: John Scott (10 Aug 1926-20 Oct 1976)
  5th: John Joseph Nicholas Scott (20 Oct 1976- )

Baron Elgin, of Elgin    [United Kingdom, 1849]
  1st: James Bruce (13 Nov 1849-20 Nov 1863)
  2nd: Victor Alexander Bruce (20 Nov 1863-18 Jan 1917)
  3rd: Edward James Bruce (18 Jan 1917-27 Nov 1968)
  4th: Andrew Douglas Alexander Thomas Bruce (27 Nov 1968- )

Lord Elibank, of Etrick Forest, co. Selkirk    [Scotland, 1643]
  1st: Patrick Murray (18 Mar 1643-12 Nov 1649)
  2nd: Patrick Murray (12 Nov 1649-13 Feb 1661)
  3rd: Patrick Murray (13 Feb 1661-1686)
  4th: Alexander Murray (1686-6 Feb 1736)
  5th: Patrick Murray (6 Feb 1736-3 Aug 1778)
  6th: George Murray (3 Aug 1778-12 Nov 1785)
  7th: Alexander Murray (12 Nov 1785-24 Sep 1820)
  8th: Alexander Murray (24 Sep 1820-9 Apr 1830)
  9th: Alexander Oliphant Murray (9 Apr 1830-31 May 1871)
10th: Montolieu Fox Oliphant Murray (31 May 1871-20 Feb 1927)
11th: Charles Gideon Murray (20 Feb 1927-11 Mar 1951)
12th: Arthur Cecil Murray (11 Mar 1951-5 Dec 1962)
13th: James Alastair Frederick Campbell Erskine-Murray (5 Dec 1962-2 Jun 1973)
14th: Alan D'Ardis Erskine-Murray (2 Jun 1973- )

Baron Ellenborough, of Ellenborough, co. Cumberland    [United Kingdom, 1802]
  1st: Edward Law (19 Apr 1802-13 Dec 1818)
  2nd: Edward Law (13 Dec 1818-22 Dec 1871)
  3rd: Charles Edmund Towry-Law (22 Dec 1871-9 Oct 1890)
  4th: Charles Towry Hamilton Towry-Law (9 Oct 1890-26 Jun 1902)
  5th: Edward Downes Towry-Law (26 Jun 1902-9 Dec 1915)
  6th: Cecil Henry Towry-Law (9 Dec 1915-22 Jan 1931)
  7th: Henry Astell Law (22 Jan 1931-19 Mar 1945)
  8th: Richard Edward Cecil Law (19 Mar 1945-7 Jun 2013)
  9th: Rupert Edward Henry Law (7 Jun 2013- )

Baron of Ellesmere, co. Shropshire    [England, 1603]
  1st: Thomas Egerton (21 Jul 1603-15 Mar 1617)
  2nd: John Egerton (15 Mar 1617-4 Dec 1649)
  3rd: John Egerton (4 Dec 1649-26 Oct 1686)
  4th: John Egerton (26 Oct 1686-19 Mar 1701)
  5th: Scroop Egerton (19 Mar 1701-11 Jan 1745)
  6th: John Egerton (11 Jan 1745-26 Feb 1748)
  7th: Francis Egerton (26 Feb 1748-8 Mar 1803)
  8th: John William Egerton (8 Mar 1803-21 Oct 1823)
  9th: Francis Henry Egerton (21 Oct 1823-11 Feb 1829)

Lord Elphinstone    [Scotland, 1510]
  1st: Alexander Elphinstone (14 Jan 1510-9 Sep 1513)
  2nd: Alexander Elphinstone (9 Sep 1513-10 Sep 1547)
  3rd: Robert Elphinstone (10 Sep 1547-18 May 1602)
  4th: Alexander Elphinstone (18 May 1602-11 Jan 1638)
  5th: Alexander Elphinstone (11 Jan 1638-1649)
  6th: Alexander Elphinstone (1649-26 Oct 1654)
  7th: Alexander Elphinstone (26 Oct 1654-May 1669)
  8th: John Elphinstone (May 1669-24 Mar 1718)
  9th: Charles Elphinstone (c Mar 1718-20 Feb 1757)
10th: Charles Elphinstone (20 Feb 1757-2 Apr 1781)
11th: John Elphinstone (2 Apr 1781-19 Aug 1794)
12th: John Elphinstone (19 Aug 1794-2 May 1813)
13th: John Elphinstone (2 May 1813-19 Jul 1860)
14th: John Elphinstone-Fleming (19 Jul 1860-13 Jan 1861)
15th: William Buller Fullerton-Elphinstone (13 Jan 1861-18 Jan 1893)
16th: Sidney Herbert Elphinstone (18 Jan 1893-28 Nov 1955)
17th: John Alexander Elphinstone (28 Nov 1955-15 Nov 1975)
18th: James Alexander Elphinstone (15 Nov 1975-19 Dec 1994)
19th: Alexander Mountstuart Elphinstone (19 Dec 1994- )

Baron Elphinstone, of Elphinstone, co. Haddington    [United Kingdom, 1885]
  1st: William Buller Fullerton-Elphinstone (30 Dec 1885-18 Jan 1893)
  2nd: Sidney Herbert Elphinstone (18 Jan 1893-28 Nov 1955)
  3rd: John Alexander Elphinstone (28 Nov 1955-15 Nov 1975)
  4th: James Alexander Elphinstone (15 Nov 1975-19 Dec 1994)
  5th: Alexander Mountstuart Elphinstone (19 Dec 1994- )

Baron Elphinstone, of Elphinstone, co. Stirling    [United Kingdom, 1859]
  1st: John Elphinstone (21 May 1859-19 Jul 1860)

Baron Eltisley, of Croxton, co. Cambridge    [United Kingdom, 1934]
  1st: George Douglas Cochrane Newton (15 Jan 1934-2 Sep 1942)

Baron Elton, of Headington, co. Oxford    [United Kingdom, 1934]
  1st: Godfrey Elton (16 Jan 1934-18 Apr 1973)
  2nd: Rodney Elton (18 Apr 1973- )

Baron of Ely    [Ireland, 1552]
  1st: Teige O'Carroll (1552-1554)

Baron Emly, of Tervoe, co. Limerick    [United Kingdom, 1874]
  1st: William Monsell (12 Jan 1874-20 Apr 1894)
  2nd: Thomas William Gaston Monsell (20 Apr 1894-24 Nov 1932)

Baron Emmott, of Oldham, co. Lancaster    [United Kingdom, 1911]
  1st: Alfred Emmott (2 Nov 1911-13 Feb 1926)

Baron Ennisdale, of Grately, co. Southampton    [United Kingdom, 1939]
  1st: Henry Edward Lyons (6 Jul 1939-17 Aug 1963)

Baron Ennishowen and Carrickfergus, of Ennishowen, co. Donegal and Carrickfergus, co. Antrim    [United Kingdom, 1841]
  1st: George Hamilton Chichester (18 Aug 1841-20 Oct 1883)

Baron Ennismore, co. Kerry    [Ireland, 1800]
  1st: William Hare (21 Jul 1800-13 Jul 1837)
  2nd: William Hare (13 Jul 1837-4 Feb 1856)
  3rd: William Hare (4 Feb 1856-5 Jun 1924)
  4th: Richard Granville Hare (5 Jun 1924-16 Nov 1931)
  5th: William Francis Hare (16 Nov 1931-12 Mar 1997)
  6th: Francis Michael Hare (12 Mar 1997- )

Baron Erne of Crom Castle, co. Fermanagh    [Ireland, 1768]
  1st: Abraham Crichton (15 Jul 1768-10 Jun 1772)
  2nd: John Crichton (10 Jun 1772-15 Sep 1828)
  3rd: Abraham Crichton (15 Sep 1828-10 Jun 1842)
  4th: John Crichton (10 Jun 1842-3 Oct 1885)
  5th: John Henry Crichton (3 Oct 1885-2 Dec 1914)
  6th: John Henry George Crichton (2 Dec 1914-23 May 1940)
  7th: Henry George Victor John Crichton (23 May 1940- )

Baron Ernle, of Chelsea, co. London    [United Kingdom, 1919]
  1st: Rowland Edmund Prothero (4 Feb 1919-1 Jul 1937)

Baron Erris of Boyle, co. Roscommon    [Ireland, 1800]
  1st: Robert Edward King (29 Dec 1800-20 Nov 1854)
  2nd: Robert King (20 Feb 1854-16 Oct 1869)
  3rd: Robert Edward King (16 Oct 1869-21 Jun 1871)
  4th: Henry Newcomen King-Tenison (21 Jun 1871-13 Jan 1896)
  6th: Robert Henry Ethelbert King-Tenison (11 Jan 1946-17 Jul 1948)
  7th: Barclay Robert Edwin King-Tenison (17 Jul 1948-19 Mar 2002)
  8th: Robert Charles Henry King-Tenison (19 Mar 2002- )

Baron Erroll of Hale, of Kilmun, co. Argyll    [United Kingdom, 1964]
  1st: Frederick James Erroll (19 Dec 1964-14 Sep 2000)

Lord Erskine    [Scotland, 1438]
  1st: Robert Erskine (c 1438-bt 1451-1452)
  2nd: Thomas Erskine (bt 1451-1452-b 1493)
  3rd: Alexander Erskine (b 1493-fr 1508-1509)
  4th: Robert Erskine (fr 1508-1509-9 Sep 1513)
  5th: John Erskine (9 Sep 1513-bt 1555-1555)
  6th: John Erskine (bt 1555-1555-28 Oct 1572)
  7th: John Erskine (28 Oct 1572-14 Dec 1634)
  8th: John Erskine (14 Dec 1634-1653)
  9th: John Erskine (1653-Sep 1668)
10th: Charles Erskine (Sep 1668-23 May 1689)
11th: John Erskine (23 May 1689-May 1732)

Baron Erskine of Dirletowne    [Scotland, 1604]
  1st: Thomas Erskine (8 Jul 1604-12 Jun 1639)
  2nd: Thomas Erskine (12 Jun 1639-3 Feb 1643)
  3rd: Alexander Erskine (11 Feb 1633-May 1677)
  4th: Alexander Erskine (14 Sep 1677-8 Mar 1710)
  5th: Alexander Erskine (8 Mar 1710-3 Apr 1756)
  6th: Thomas Alexander Erskine (3 Apr 1756-9 Oct 1781)
  7th: Archibald Erskine (9 Oct 1781-8 May 1797)
  8th: Charles Erskine (8 May 1797-28 Oct 1799)
  9th: Thomas Erskine (28 Oct 1799-6 Feb 1828)
10th: Methven Erskine (6 Feb 1828-3 Dec 1829)
11th: John Francis Miller Erskine (3 Dec 1829-19 Jun 1866)
12th: Walter Coningsby Erskine (19 Jun 1866-15 Jan 1872)
13th: Walter Henry Erskine (15 Jan 1872-16 Sep 1888)
14th: Walter John Francis Erskine (16 Sep 1888-3 Jun 1955)
15th: John Francis Hervey Erskine (3 Jun 1955-1993)
16th: James Thorne Erskine (1993- )

Baron Erskine of Rerrick, of Rerrick, Stewartry of Kirkcudbright    [United Kingdom, 1964]
  1st: John Maxwell Erskine (4 Sep 1964-1980)
  2nd: Iain Maxwell Erskine (1980-7 Jun 1995)

Baron Erskine of Restormel Castle, co. Cornwall    [United Kingdom, 1806]
  1st: Thomas Erskine (10 Feb 1806-17 Nov 1823)
  2nd: David Montagu Erskine (17 Nov 1823-19 Mar 1855)
  3rd: Thomas Americus Erskine (19 Mar 1855-10 May 1877)
  4th: John Cadwallader Erskine (10 May 1877-28 Mar 1882)
  5th: William Macnaghten Erskine (28 Mar 1882-8 Dec 1913)
  6th: Montagu Erskine (8 Dec 1913-9 Feb 1957)
  7th: Donald Cardross Flower Erskine (9 Feb 1957-26 Jul 1984)
  8th: Malcolm Harry Erskine (1984- )

Baron Esher, of Esher, Surrey    [United Kingdom, 1885]
  1st: William Baliol Brett (24 Jul 1885-24 May 1899)
  2nd: Reginald Baliol Brett (24 May 1899-22 Jan 1930)
  3rd: Oliver Sylvain Baliol Brett (22 Jan 1930-8 Oct 1963)
  4th: Lionel Gordon Baliol Brett (8 Oct 1963-9 Jul 2004)
  5th: Christopher Lionel Baliol Brett (9 Jul 2004- )

Baron of Eslington, co. Northumberland    [United Kingdom, 1874]
  1st: Henry Thomas Liddell (2 Apr 1874-19 Mar 1878)
  2nd: Henry George Liddell (19 Mar 1878-22 Jul 1903)
  3rd: Atholl Charles John Liddell (1903-7 Feb 1904)

Lord Esmond, Baron of Lymbrick, co. Wexford    [Ireland, 1622]
  1st: Laurence Esmond (20 May 1622-26 May 1645)

Baron Estcourt, of Estcourt, Shipton Moyne, co. Gloucester and of Darrington, West Riding, Yorkshire    [United Kingdom, 1903]
  1st: George Thomas Sotheron-Estcourt (3 Aug 1903-12 Jan 1915)

Baron Evans, of Merthyr Tydfil, co. Glamorgan    [United Kingdom, 1957]
  1st: Horace Evans (1 Jul 1957-26 Oct 1963)

Baron Evershed, of Stapenhill, co. Stafford    [United Kingdom, 1956]
  1st: Francis Raymond Evershed (20 Jan 1956-3 Oct 1966)

Baron Eversley, of Old Ford, London    [United Kingdom, 1906]
  1st: George John Shaw-Lefevre (16 Jul 1906-23 Apr 1928)

Baron Exmouth of Canonteign, co. Devon    [United Kingdom, 1814]
  1st: Edward Pellew (1 Jun 1814-23 Jan 1833)
  2nd: Pownoll Bastard Pellew (23 Jan 1833-2 Dec 1833)
  3rd: Edward Pellew (2 Dec 1833-11 Feb 1876)
  4th: Edward Fleetwood John Pellew (11 Feb 1876-31 Oct 1899)
  5th: Edward Addington Hargreaves Pellew (31 Oct 1899-16 Aug 1922)
  6th: Henry Edward Pellew (16 Aug 1922-4 Feb 1923)
  7th: Charles Ernest Pellew (4 Feb 1923-7 Jun 1945)
  8th: Edward Irving Pownoll Pellew (7 Jun 1945-19 Aug 1951)
  9th: Pownoll Irving Edward Pellew (19 Aug 1951-2 Dec 1970)
10th: Paul Edward Pellew (2 Dec 1970- )

Baron Eyre, of Eyrecourt, co. Galway    [Ireland, 1768]
  1st: John Eyre (16 Jul 1768-30 Sep 1781)

Baron Faber, of Butterwick, co. Lincoln    [United Kingdom, 1905]
  1st: Edmund Beckett Faber (29 Dec 1905-17 Sep 1920)

Lord Fairfax of Cameron    [Scotland, 1627]
  1st: Thomas Fairfax (18 Oct 1627-2 May 1640)
  2nd: Ferdinando Fairfax (2 May 1640-14 Mar 1648)
  3rd: Thomas Fairfax (14 Mar 1648-12 Nov 1671)
  4th: Henry Fairfax (12 Nov 1671-9 Apr 1688)
  5th: Thomas Fairfax (9 Apr 1688-6 Jan 1710)
  6th: Thomas Fairfax (6 Jan 1710-12 Mar 1782)
  7th: Robert Fairfax (9 Dec 1789-15 Jul 1793)
  8th: Bryan Fairfax (15 Jul 1793-7 Aug 1802)
  9th: Thomas Fairfax (7 Aug 1802-21 Apr 1846)
10th: Charles Snowden Fairfax (21 Apr 1846-4 Apr 1869)
11th: John Contée Fairfax (4 Apr 1869-28 Sep 1900)
12th: Albert Kirby Fairfax (28 Sep 1900-4 Oct 1939)
13th: Thomas Brian McElvie Fairfax (4 Oct 1939-8 Apr 1964)
14th: Nicholas John Albert Fairfax (8 Apr 1964- )

Baron Fairfield, of Caldy in the County Palatine of Chester    [United Kingdom, 1939]
  1st: Frederick Arthur Greer (1 Feb 1939-4 Feb 1945)

Baron Fairhaven, of Anglesey Abbey, co. Cambridge    [United Kingdom, 1961]
  1st: Urban Huttleston Rogers Broughton (25 Jul 1961-20 Aug 1966)
  2nd: Henry Rogers Broughton (20 Aug 1966-6 Apr 1973)
  3rd: Ailwyn Henry George Broughton (6 Apr 1973- )

Baron Fairhaven, of Lode, co. Cambridge    [United Kingdom, 1929]
  1st: Urban Huttleston Rogers Broughton (20 Mar 1929-20 Aug 1966)

Baron Fairlie of Fairlie, Ayrshire    [United Kingdom, 1897]
  1st: David Boyle (23 Jul 1897-13 Dec 1915)
  2nd: Patrick James Boyle (13 Dec 1915-14 Dec 1963)
  3rd: David William Maurice Boyle (14 Dec 1963-8 Jun 1984)
  4th: Patrick Robin Archibald Boyle (8 Jun 1984- )

Lord Falconer of Halkertoun    [Scotland, 1647]
  1st: Alexander Falconer (20 Dec 1647-1671)
  4th: David Falconer ( -24 Sep 1751)
  5th: Alexander Falconer (1751-1762)
  6th: William Falconer (1762-1776)
  7th: Anthony Adrian Keith-Falconer (1776-30 Aug 1804)
  8th: William Keith-Falconer (30 Aug 1804-1812)
  9th: Anthony Adrian Keith-Falconer (1812-11 Jul 1844)
10th: Francis Alexander Keith-Falconer (11 Jul 1844-18 Jul 1880)
11th: Algernon Hawkins Thomond Keith-Falconer (18 Jul 1880-3 Mar 1930)
12th: Arthur George Keith-Falconer (3 Mar 1930-25 May 1966)

Baron Fanhope, co. Hereford    [England, 1432]
  1st: John Cornwall (17 Jul 1432-11 Dec 1443)

Baron Faringdon, of Buscot Park, co. Berks.    [United Kingdom, 1916]
  1st: Alexander Henderson (24 Jan 1916-17 Mar 1934)
  2nd: Alexander Gavin Henderson (17 Mar 1934-29 Jan 1977)
  3rd: Charles Michael Henderson (29 Jan 1977- )

Baron Farnborough, of Farnborough, co. Southampton    [United Kingdom, 1886]
  1st: Thomas Erskine May (11 May 1886-17 May 1886)

Baron Farnham, of Farnham, co. Cavan    [Ireland, 1756]
  1st: John Maxwell (6 May 1756-6 Aug 1759)
  2nd: Robert Maxwell (6 Aug 1759-11 Nov 1779)
  3rd: Barry Maxwell (16 Nov 1779-7 Oct 1800)
  4th: John James Maxwell (7 Oct 1800-23 Jul 1823)
  5th: John Maxwell Barry Maxwell (23 Jul 1823-20 Sep 1838)
  6th: Henry Maxwell (20 Sep 1838-19 Oct 1838)
  7th: Henry Maxwell (19 Oct 1838-20 Aug 1868)
  8th: Somerset Richard Maxwell (20 Jun 1868-4 Jun 1884)
  9th: James Pierce Maxwell (4 Jun 1884-26 Oct 1896)
10th: Somerset Henry Maxwell (26 Oct 1896-22 Nov 1900)
11th: Arthur Kenlis Maxwell (22 Nov 1900-5 Feb 1957)
12th: Bary Owen Somerset Maxwell (5 Feb 1957-22 Mar 2001)
13th: Simon Kenlis Maxwell (22 Mar 2001- )

Baron Farquhar, of St. Marylebone    [United Kingdom, 1898]
  1st: Horace Brand Farquhar (20 Jan 1898-30 Aug 1923)

Baron Farrer, of Abinger, co. Surrey    [United Kingdom, 1893]
  1st: Thomas Henry Farrer (22 Jun 1893-11 Oct 1899)
  2nd: Thomas Cecil Farrer (11 Oct 1899-12 Apr 1940)
  3rd: Cecil Claude Farrer (12 Apr 1940-11 Mar 1948)
  4th: Oliver Thomas Farrer (11 Mar 1948-24 Jan 1954)
  5th: Anthony Thomas Farrer (24 Jan 1954-16 Dec 1964)

Baron Fauconberg of Yarm, co. York    [England, 1627]
  1st: Thomas Belasyse (25 May 1627-1652)

Baroness Fauconberge    [England, 1295]
  6th: Marcia Amelia Mary Lane-Fox (29 Sep 1903-17 Nov 1926)
  7th: Sackville George Pelham (17 Nov 1926-7 Feb 1948)
  8th: Diana Mary Pelham (17 May 2012-2 Mar 2013)

Baron Feilding of Lecagh, co. Tipperary    [Ireland, 1622]
  1st: George Feilding (7 Nov 1622-31 Jan 1665)
  2nd: William Feilding (31 Jan 1665-23 Aug 1685)
  3rd: Basil Feilding (23 Aug 1685-18 Mar 1717)
  4th: William Feilding (18 Mar 1717-2 Aug 1755)
  5th: Basil Feilding (2 Aug 1755-14 Jul 1800)
  6th: William Basil Percy Feilding (14 Jul 1800-25 Jun 1865)
  7th: Rudolph William Basil Feilding (25 Jun 1865-10 Mar 1892)
  8th: Rudolph Robert Basil Aloysius Augustine Feilding (10 Mar 1892-25 Nov 1939)
  9th: William Rudolph Stephen Feilding (25 Nov 1939-31 Dec 1966)
10th: William Rudolph Michael Feilding (31 Dec 1966-23 Mar 1995)
11th: Alexander Steven Rudolph Feilding (23 Mar 1995- )

Baroness of Fermanagh    [Ireland, 1792]
  1st: Mary Verney (13 Jun 1792-15 Nov 1810)

Baron Fermanagh of Lisnaskea, co. Fermanagh    [United Kingdom, 1876]
  1st: John Crichton (13 Jan 1876-3 Oct 1885)
  2nd: John Henry Crichton (3 Oct 1885-2 Dec 1914)
  3rd: John Henry George Crichton (2 Dec 1914-23 May 1940)
  4th: Henry George Victor John Crichton (23 May 1940- )

Baron Fermoy, of co. Cork    [United Kingdom, 1856]
  1st: Edmund Burke Roche (10 Sep 1856-17 Sep 1874)
  2nd: Edward FitzEdmund Burke Roche (17 Sep 1874-1 Sep 1920)
  3rd: James Boothby Burke Roche (1 Sep 1920-30 Oct 1920)
  4th: Edmund Maurice Burke Roche (30 Oct 1920-8 Jul 1955)
  5th: Edmund James Burke Roche (8 Jul 1955-19 Aug 1984)
  6th: Patrick Maurice Burke Roche (19 Aug 1984- )

Baron Ferrard of Beaulieu    [Ireland, 1715]
  1st: Henry Tichborne (1715-1731)

Lord Ferrers    [England, 1299]
  7th: Robert Shirley (14 Dec 1677-25 Dec 1717)

Lord Ferrers, of Groby    [England, 1299]
  2nd: Henry Ferrers (20 Mar 1325-15 Sep 1343)
  3rd: William Ferrers (15 Sep 1343-7 Jan 1371)
  4th: Henry Ferrers (7 Jan 1371-3 Feb 1388)
  5th: William Ferrers (3 Feb 1388-1445)
  6th: Elizabeth Ferrers (1445-c 23 Jan 1483)
  7th: Thomas Grey (c 23 Jan 1483-20 Apr 1501)
  8th: Thomas Grey (20 Apr 1501-10 Oct 1530)
  9th: Henry Grey (10 Oct 1530-23 Feb 1554)

Lord Ferrers, of Groby    [England, by writ]
  1st: William Ferrers (29 Dec 1299-20 Mar 1325)

Lord Feversham, Baron of Downton, co. Wilts    [Great Britain, 1747]
  1st: Anthony Duncombe (23 Jun 1747-18 Jun 1763)

Baron Feversham of Duncombe Park, Yorkshire    [United Kingdom, 1826]
  1st: Charles Duncombe (14 Jul 1826-16 Jul 1841)
  2nd: William Duncombe (16 Jul 1841-11 Feb 1867)
  3rd: William Ernest Duncombe (11 Feb 1867-13 Jan 1915)
  4th: Charles William Reginald Duncombe (13 Jan 1915-15 Sep 1916)
  5th: Charles Willian Slingsby Duncombe (15 Sep 1916-4 Sep 1963)
  6th: Charles Anthony Peter Duncombe (4 Sep 1963-29 Mar 2009)
  7th: Jasper Orlando Slingsby Duncombe (29 Mar 2009- )

Baron Field, of Bakeham, co. Surrey    [United Kingdom, 1890]
  1st: William Ventris Field (23 Apr 1890-23 Jan 1907)

Baron Fife, co. Fife    [United Kingdom, 1827]
  1st: James Duff (27 Apr 1827-9 Mar 1857)

Baron Finlay, of Nairn, co. Nairn    [United Kingdom, 1916]
  1st: Robert Bannatyne Finlay (19 Dec 1916-9 Mar 1929)
  2nd: William Finlay (9 Mar 1929-30 Jun 1945)

Baron Fisher, of Kilverstone, Theford, co. Norfolk    [United Kingdom, 1909]
  1st: John Arbuthnot Fisher (7 Dec 1909-10 Jul 1920)
  2nd: Cecil Vavasseur Fisher (10 Jul 1920-11 May 1955)
  3rd: John Vavasseur Fisher (11 May 1955-31 Oct 2012)
  4th: Patrick Vavasseur Fisher (31 Oct 2012- )

Baron Fisherwick, co. Stafford    [Great Britain, 1790]
  1st: Arthur Chichester (3 Jul 1790-5 Jan 1799)
  2nd: George Augustus Chichester (5 Jan 1799-5 Oct 1844)
  3rd: George Hamilton Chichester (5 Oct 1844-20 Oct 1883)
  4th: Edward Chichester (20 Oct 1883-20 Jan 1889)
  5th: George Augustus Chichester (20 Jan 1889-13 May 1904)
  6th: Edward Arthur Donald St. George Chichester (13 May 1904-24 May 1975)
  7th: Dermot Richard Claud Chichester (24 May 1975-19 Apr 2007)
  8th: Arthur Patrick Chichester (19 Apr 2007- )

Baron FitzGerald, of Desmond and Clan Gibbon, co. Cork    [United Kingdom, 1835]
  1st: William Vesey-Fitzgerald (20 Jan 1835-11 May 1843)

Baroness FitzGerald and Vesci, of Clare and Inchicronan, co. Clare    [Ireland, 1826]
  1st: Catherine Vesey (27 Jun 1826-3 Jan 1832)
  2nd: William Vesey-Fitzgerald (3 Jan 1832-11 May 1843)

Baron FitzGerald and Vesci, of Desmond and Clan Gibbon, co. Cork    [Ireland, 1826]
  3rd: Henry Vesey-Fitzgerald (11 May 1843-30 Mar 1860)

Baron FitzGibbon of Lower Connello, co. Limerick    [Ireland, 1789]
  1st: John FitzGibbon (6 Jul 1789-28 Jan 1802)
  2nd: John FitzGibbon (28 Jan 1802-18 Aug 1851)
  3rd: Richard Hobart FitzGibbon (18 Aug 1851-10 Jan 1864)

Baron FitzGibbon of Sidbury, co. Devon    [Great Britain, 1799]
  1st: John FitzGibbon (24 Sep 1799-28 Jan 1802)
  2nd: John FitzGibbon (28 Jan 1802-18 Aug 1851)
  3rd: Richard Hobart FitzGibbon (18 Aug 1851-10 Jan 1864)

Baron FitzHardinge of Bristol, of the city and county of the city of Bristol    [United Kingdom, 1861]
  1st: Maurice Frederick FitzHardinge Berkeley (5 Aug 1861-17 Oct 1867)
  2nd: Francis William FitzHardinge Berkeley (17 Oct 1867-28 Jun 1896)
  3rd: Charles Paget FitzHardinge Berkeley (29 Jun 1896-5 Dec 1916)

Lord FitzHugh    [England, 1321]
  2nd: Henry Hugh (1321-1356)

Baron FitzMaurice, of Leigh, co. Wilts    [United Kingdom, 1906]
  1st: Edmond George Petty Petty-FitzMaurice (9 Jan 1906-21 Jun 1935)

Lord FitzWarin    [England, 1295]
13th: William Bourchier (10 Feb 1561-12 Jul 1623)
14th: Edward Bourchier (12 Jul 1623-2 Mar 1637)

Baron Fitzhardinge of Berehaven, co. Kerry    [Ireland, 1663]
  1st: Charles Berkeley (1 Jul 1663-1665)

Baron Fitzwalter of Woodham Walter, co. Essex    [United Kingdom, 1868]
  1st: Brook William Bridges (17 Apr 1868-6 Dec 1875)

Baron Fleck, of Saltcoats, co. Ayr    [United Kingdom, 1961]
  1st: Alexander Fleck (3 Feb 1961-6 Aug 1968)

Baron Foley of Kidderminster, Worcestershire    [Great Britain, 1712]
  1st: Thomas Foley (1 Jan 1712-22 Jan 1733)

Baron Foley of Kidderminster, co. Worcester    [Great Britain, 1712]
  2nd: Thomas Foley (22 Jan 1733-8 Jan 1766)

Baron Foley of Kidderminster, co. Worcester    [Great Britain, 1776]
  1st: Thomas Foley (20 May 1776-18 Nov 1777)
  2nd: Thomas Foley (18 Nov 1777-2 Jul 1793)
  3rd: Thomas Foley (2 Jul 1793-16 Apr 1833)
  4th: Thomas Henry Foley (16 Apr 1833-20 Nov 1869)
  5th: Henry Thomas Foley (20 Nov 1869-17 Dec 1905)
  6th: FitzAlan Charles John Foley (17 Dec 1905-14 Feb 1918)
  7th: Gerald Henry Foley (14 Feb 1918-3 Apr 1927)
  8th: Adrian Gerald Foley (3 Apr 1927-12 Feb 2012)
  9th: Thomas Henry Foley (12 Feb 2012- )

Lord Forbes    [Scotland, 1445]
  1st: Alexander Forbes (fr 1444-1445-1448)
  2nd: James Forbes (1448-bt 1460-1462)
  3rd: William Forbes (b 30 Jul 1462-bt 1477-1483)
  4th: Alexander Forbes (b 5 Jul 1483-bt 1488-1491)
  5th: Arthur Forbes (b 6 May 1491-1493)
  6th: John Forbes (1493-1547)
  7th: William Forbes (1547-1593)
  8th: John Forbes (1593-29 Jun 1606)
  9th: Arthur Forbes (29 Jun 1606-1641)
  9th: John Forbes (29 Jun 1606-2 Aug 1606)
10th: Alexander Forbes (1641-20 Apr 1672)
11th: William Forbes (20 Apr 1672-1697)
12th: William Forbes (1697-Jul 1716)
13th: William Forbes (Jul 1716-26 Jun 1730)
15th: James Forbes (8 Aug 1734-20 Feb 1761)
16th: James Forbes (20 Feb 1761-29 Jul 1804)
17th: James Ochoncar Forbes (29 Jul 1804-4 May 1843)
18th: Walter Forbes (4 May 1843-2 May 1868)
19th: Horace Courtenay Gammell Forbes (2 May 1868-23 Jun 1914)
20th: Atholl Monson Forbes (23 Jun 1914-31 Jan 1916)
21st: Atholl Laurence Cunyngham Forbes (31 Jan 1916-26 Nov 1953)
22nd: Nigel Ivan Forbes (26 Nov 1953-5 Mar 2013)
23rd: Malcolm Nigel Forbes (5 Mar 2013- )

Lord Forbes    [Scotland, 1455]
14th: Francis Forbes (26 Jun 1730-8 Aug 1734)

Lord Forbes of Pitsligo    [Scotland, 1633]
  1st: Alexander Forbes (24 Jun 1633-26 Oct 1636)
  2nd: Alexander Forbes (26 Oct 1636-bt 1690-1690)
  3rd: Alexander Forbes (c 1690-Dec 1690)
  4th: Alexander Forbes (Dec 1690-21 Dec 1762)

Baron Forester of Willey Park, co. Shropshire    [United Kingdom, 1821]
  1st: Cecil Weld Forester (17 Jul 1821-28 May 1828)
  2nd: John George Weld Forester (28 May 1828-10 Oct 1874)
  3rd: George Cecil Weld Forester (10 Oct 1874-14 Feb 1886)
  4th: Orlando Watkin Weld Forester (4 Feb 1886-22 Jun 1894)
  5th: Cecil Theodore Weld Forester (22 Jun 1894-20 Nov 1917)
  6th: George Cecil Beaumont Weld Forester (20 Nov 1917-10 Oct 1932)
  7th: Cecil George Wilfred Weld Forester (10 Oct 1932-4 Jan 1977)
  8th: George Cecil Brooke Weld-Forester (4 Jan 1977-4 Feb 2004)
  9th: Charles Richard George Weld-Forester (4 Feb 2004- )

Baron Forres, of Glenogil, co. Forfar    [United Kingdom, 1922]
  1st: Archibald Williamson (19 Jun 1922-29 Oct 1931)
  2nd: Stephen Kenneth Guthrie Williamson (29 Oct 1931-26 Jun 1954)
  3rd: John Archibald Harford Williamson (26 Jun 1954-22 Sep 1978)
  4th: Alastair Stephen Grant Williamson (22 Sep 1978- )

Lord Forrester of Corstorphine    [Scotland, 1633]
  1st: George Forrester (22 Jul 1633-bt 1652-1652)
  2nd: James Forrester (1652-26 Aug 1679)

Baron Forster, of Lepe, co. Southampton    [United Kingdom, 1919]
  1st: Henry William Forster (12 Dec 1919-15 Jan 1936)

Baron Forster of Harraby, of Beckenham in the County of Kent    [United Kingdom, 1959]
  1st: John Forster (1959- )

Baron Fortescue of Castle Hill, co. Devon    [Great Britain, 1746]
  1st: Hugh Fortescue (5 Jul 1746-2 May 1751)
  2nd: Matthew Fortescue (3 May 1751-10 Jul 1785)
  3rd: Hugh Fortescue (10 Jul 1785-16 Jun 1841)
  4th: Hugh Fortescue (28 Feb 1839-14 Sep 1861)
  5th: Hugh Fortescue (5 Dec 1859-10 Oct 1905)
  6th: Hugh Fortescue (10 Oct 1905-29 Oct 1932)
  7th: Hugh William Fortescue (29 Oct 1932-14 Jun 1958)
  8th: Denzil George Fortescue (14 Jun 1958-1 Jun 1977)
  9th: Richard Archibald Fortescue (1 Jun 1977-7 Mar 1993)
10th: Charles Hugh Richard Fortescue (7 Mar 1993- )

Baron Forteviot, of Dupplin, co. Perth    [United Kingdom, 1917]
  1st: John Alexander Dewar (4 Jan 1917-23 Nov 1929)
  2nd: John Dewar (23 Nov 1929-24 Oct 1947)
  3rd: Henry Evelyn Alexander Dewar (24 Oct 1947-25 Mar 1993)
  4th: John James Evelyn Dewar (25 Mar 1993- )

Baron Foxford of Stackpole Court, co. Clare    [United Kingdom, 1815]
  1st: Edmond Henry Pery (11 Aug 1815-7 Dec 1844)
  2nd: William Henry Tennison Pery (7 Dec 1844-5 Jan 1866)
  3rd: William Hale John Charles Pery (5 Jan 1866-8 Aug 1896)
  4th: William Henry Edmond de Vere Sheaffe Pery (8 Aug 1896-18 Mar 1929)
  5th: Edmund Colquhoun Pery (18 Mar 1929-4 Aug 1967)
  6th: Patrick Edmund Pery (4 Aug 1967-8 Jan 2003)
  7th: Edmund Christopher Pery (8 Jan 2003- )

Baron Frankfort of Galmoye, co. Kilkenny    [Ireland, 1800]
  1st: Lodge Evans Montmorency (31 Jul 1800-21 Sep 1822)
  2nd: Lodge Reymond Montmorency (21 Sep 1822-25 Dec 1889)
  3rd: Reymond Hervey Montmorency (25 Dec 1889-7 May 1902)
  4th: Willoughby John Horace Montmorency (7 May 1902-5 Jul 1917)

Baron Fraser of Allander    [United Kingdom, 1964]
  1st: Hugh Fraser (30 Dec 1964-6 Nov 1966)
  2nd: Hugh Fraser (6 Nov 1966-5 May 1987)

Baron Freyberg, of Wellington, New Zealand and of Munstead, co. Surrey    [United Kingdom, 1951]
  1st: Bernard Cyril Freyberg (19 Oct 1951-4 Jul 1963)
  2nd: Paul Richard Freyberg (4 Jul 1963-26 May 1993)
  3rd: Valerian Bernard Freyberg (2 May 1993- )

Baron de Freyne of Artagh, co. Roscommon    [Ireland, 1839]
  1st: Arthur French (16 May 1839-29 Sep 1856)

Baron de Freyne of Coolavin, co. Sligo    [United Kingdom, 1851]
  1st: Arthur French (5 Apr 1851-29 Sep 1856)
  2nd: John French (29 Sep 1856-22 Aug 1863)
  3rd: Charles French (22 Aug 1863-28 Oct 1868)
  4th: Arthur French (28 Oct 1868-23 Sep 1913)
  5th: Arthur Reginald French (22 Sep 1913-9 May 1915)
  6th: Francis Charles French (9 May 1915-24 Dec 1935)
  7th: Francis Arthur John French (24 Dec 1935-24 Nov 2009)
  8th: Fulke Charles Arthur John French (24 Nov 2009- )

Baron Furness, of Grantley, West Riding, co. Yorks    [United Kingdom, 1910]
  1st: Christopher Furness (19 Jul 1910-10 Nov 1912)
  2nd: Marmaduke Furness (10 Nov 1912-6 Oct 1940)
  3rd: William Anthony Furness (6 Oct 1940-1 May 1995)

Lord Furnival    [England, 1295]
  1st: Thomas Furnivalle (1295-1332)
  2nd: Thomas Furnivalle ( -1339)
  3rd: Thomas Furnevalle ( -21 Apr 1365)
  4th: William Furnevalle ( -12 Apr 1383)
  5th: Joan Furnevalle (1383-b 1400)
  6th: Maud Neville ( -c 1423)
  7th: John Talbot ( -11 Jul 1460)
  8th: John Talbot ( -28 Jun 1473)
  9th: George Talbot ( -26 Jul 1538)
10th: Francis Talbot ( -25 Sep 1560)

Baron Furnival of Malahide, in Ireland    [United Kingdom, 1839]
  1st: Richard Wogan Talbot (8 May 1839-29 Oct 1849)

Baron Fyfe, of Dornach, co. Sutherland    [United Kingdom, 1962]
  1st: David Patrick Maxwell Fyfe (20 Jul 1962-Jan 1967)

Lord Fyvie    [Scotland, 1598]
  1st: Alexander Seton (4 Mar 1598-16 Jun 1622)
  2nd: Charles Seton (16 Jun 1622-c 11 May 1672)
  3rd: Alexander Seton (May 1672-c Sep 1677)
  4th: James Seton (c Sep 1677-26 Dec 1694)

Baron Gage of Castlebar, co. Mayo    [Ireland, 1720]
  1st: Thomas Gage (14 Sep 1720-21 Dec 1754)
  2nd: William Hall Gage (21 Dec 1754-11 Oct 1791)
  3rd: Henry Gage (11 Oct 1791-29 Jan 1808)
  4th: Henry Hall Gage (29 Jan 1808-20 Jan 1877)
  5th: Henry Charles Gage (20 Jan 1877-18 Apr 1912)
  6th: Henry Rainald Gage (18 Apr 1912-27 Feb 1982)
  7th: George John St. Clere Gage (27 Feb 1982-30 Nov 1993)
  8th: Henry Nicholas Gage (30 Nov 1993- )

Baron Gage of High Meadow, co. Gloucester    [Great Britain, 1790]
  1st: William Hall Gage (1 Nov 1790-11 Oct 1791)
  2nd: Henry Gage (11 Oct 1791-29 Jan 1808)
  3rd: Henry Hall Gage (29 Jan 1808-20 Jan 1877)
  4th: Henry Charles Gage (20 Jan 1877-18 Apr 1912)
  5th: Henry Rainald Gage (18 Apr 1912-27 Feb 1982)
  6th: George John St. Clere Gage (27 Feb 1982-30 Nov 1993)
  7th: Henry Nicholas Gage (30 Nov 1993- )

Baron Gainford, of Headlam in the County of Durham    [United Kingdom, 1917]
  1st: Joseph Albert Pease (3 Jan 1917-15 Feb 1943)
  2nd: Joseph Pease (15 Feb 1943-23 Sep 1971)
  3rd: Joseph Edward Pease (23 Sep 1971-4 Apr 2013)
  4th: George Pease (4 Apr 2013- )

Lord of Garlies    [Scotland, 1607]
  1st: Alexander Stewart (19 Jul 1607-1649)
  2nd: James Stewart (1649-Jun 1671)
  3rd: Alexander Stewart (Jun 1671-c 1690)
  4th: Alexander Stewart (Sep 1690-26 Sep 1690)
  5th: James Stewart (26 Sep 1690-16 Feb 1746)
  6th: Alexander Stewart (16 Feb 1746-24 Sep 1773)
  7th: John Stewart (24 Sep 1773-13 Nov 1806)
  8th: George Stewart (13 Nov 1806-27 Mar 1834)
  9th: Randolph Stewart (27 Mar 1834-2 Jan 1873)
10th: Alan Plantagenet Stewart (2 Jan 1873-7 Feb 1901)
11th: Randolph Henry Stewart (7 Feb 1901-7 Feb 1920)
12th: Randolph Algernon Ronald Stewart (7 Feb 1920-13 Jun 1978)
13th: Randolph Keith Reginald Stewart (13 Jun 1978- )

Baron Garvagh, of Garvagh, co. Londonderry    [Ireland, 1818]
  1st: George Canning (28 Oct 1818-20 Aug 1840)
  2nd: Charles Henry Spencer George Canning (20 Aug 1840-7 May 1871)
  3rd: Charles John Spencer George Canning (7 May 1871-7 Feb 1915)
  4th: Leopold Ernest Stratford George Canning (7 Feb 1915-16 Jul 1956)
  5th: Alexander Leopold Ivor George Canning (16 Jul 1956-31 Oct 2013)
  6th: Spencer George Stratford de Redcliffe Canning (31 Oct 2013- )

Baron Geddes, of Rolvenden, co. Kent    [United Kingdom, 1942]
  1st: Auckland Campbell Geddes (28 Jan 1942-8 Jan 1954)
  2nd: Ross Campbell Geddes (8 Jan 1954-2 Feb 1975)
  3rd: Euan Michael Ross Geddes (2 Feb 1975- )

Baron Gerard of Bryn, co. Palatine of Lancaster    [United Kingdom, 1876]
  1st: Robert Tolver Gerard (18 Jan 1876-15 Mar 1887)
  2nd: William Cansfield Gerard (15 Mar 1887-30 Jul 1902)
  3rd: Frederick John Gerard (30 Jul 1902-12 Feb 1953)
  4th: Robert William Frederick Alwyn Gerard (12 Feb 1953-1992)
  5th: Anthony Robert Hugo Gerard (1992- )

Baron Gifford of St. Leonard's, co. Devon    [United Kingdom, 1824]
  1st: Robert Gifford (30 Jan 1824-4 Sep 1826)
  2nd: Robert Francis Gifford (4 Sep 1826-13 May 1872)
  3rd: Edric Frederick Gifford (13 May 1872-5 Jun 1911)
  4th: Edgar Berkeley Gifford (5 Jun 1911-29 Jan 1937)
  5th: Charles Maurice Elton Gifford (29 Jan 1937-16 Apr 1961)
  6th: Anthony Maurice Gifford (16 Apr 1961- )

Baron Gillford, of the Manor of Gillford, co. Down    [Ireland, 1766]
  1st: John Meade (17 Nov 1766-19 Oct 1800)
  2nd: Richard Meade (19 Oct 1800-3 Sep 1805)
  3rd: Richard Charles Francis Christian Meade (3 Sep 1805-7 Oct 1879)
  4th: Richard James Meade (7 Oct 1879-4 Aug 1907)
  5th: Arthur Vesey Meade (4 Aug 1907-23 Jan 1953)
  6th: John Charles Edmund Carson Meade (23 Jan 1953-30 Mar 1989)
  7th: John Herbert Meade (30 Mar 1989-24 Dec 2009)

Baron Gillford, of the Manor of Gillford, co. Down    [Ireland, 1776]
  6th: Patrick James Meade (24 Dec 2009- )

Baron Gisborough, of Cleveland, co. York    [United Kingdom, 1917]
  1st: Richard Godolphin Walmesley Chaloner (23 Jun 1917-23 Jan 1938)
  2nd: Thomas Weston Peel Long Chaloner (23 Jan 1938-11 Feb 1951)
  3rd: Thomas Richard John Long Chaloner (11 Feb 1951- )

Baron Gladstone of Hawarden, of Hawarden, co. Flint    [United Kingdom, 1932]
  1st: Henry Neville Gladstone (22 Jun 1932-28 Apr 1935)

Baron Gladwyn, of Bramfield, co. Suffolk    [United Kingdom, 1960]
  1st: Hubert Miles Gladwyn Jebb (12 Apr 1960-24 Oct 1996)
  2nd: Miles Alvery Gladwyn Jebb (24 Oct 1996- )

Baron Glanely, of St. Fagans, co. Glamorgan    [United Kingdom, 1918]
  1st: William James Tatem (28 Jun 1918-28 Jun 1942)

Baron Glantawe, of Swansea, co. Glamorgan    [United Kingdom, 1906]
  1st: John Jones Jenkins (18 Jul 1906-27 Jul 1915)

Baron Glanusk of Glanusk Park, co. Brecon    [United Kingdom, 1899]
  1st: Joseph Russell Bailey (26 Jan 1899-6 Jan 1906)
  2nd: Joseph Henry Russell Bailey (6 Jan 1906-11 Jan 1928)
  3rd: Wilfred Russell Bailey (11 Jan 1928-12 Jan 1948)
  4th: David Russell Bailey Bailey (Jan 1948-28 Jun 1997)
  5th: Christopher Russell Bailey (28 Jun 1997- )

Baron Glassary, of Glassary, Argyll    [United Kingdom, 1954]
  1st: Henry James Scrymgeour (30 Jul 1954-29 Jun 1983)
  2nd: Alexander Henry Scrymgeour (29 Jun 1983- )

Baron Glenarthur, of Carlung, co. Ayr    [United Kingdom, 1918]
  1st: Matthew Arthur (27 Jun 1918-23 Sep 1928)
  2nd: James Cecil Arthur (23 Sep 1928-11 Dec 1942)
  3rd: Matthew Arthur (11 Dec 1942-1976)
  4th: Simon Mark Arthur (1976- )

Baron Glenavy, of Milltown, co. Dublin    [United Kingdom, 1921]
  1st: Patrick Campbell (26 Jul 1921-22 Mar 1931)
  2nd: Charles Henry Gordon Campbell (22 Mar 1931- )
  3rd: Patrick Gordon Campbell (30 Jul 1963-9 Nov 1980)

Baron of Glenawly, co. Fermanagh    [Ireland, 1701]
  1st: Scrope Howe (16 May 1701-26 Jan 1712)
  2nd: Emanuel Scrope Howe (26 Jan 1712-29 Mar 1735)
  3rd: George Augustus Howe (29 Mar 1735-6 Jul 1758)
  4th: Richard Howe (6 Jul 1758-5 Aug 1799)
  5th: William Howe (5 Aug 1799-12 Jul 1814)

Baron Glenbervie, co. Kincardine    [Ireland, 1800]
  1st: Sylvester Douglas (30 Nov 1800-2 May 1823)

Baron Glenconner, of Glen, co. Peebles    [United Kingdom, 1911]
  1st: Edward Priaulx Tennant (3 Apr 1911-21 Nov 1920)
  2nd: Christopher Grey Tennant (21 Nov 1920-4 Oct 1983)
  3rd: Colin Christopher Paget Tennant (4 Oct 1983-27 Aug 2010)
  4th: Cody Charles Edward Tennant (27 Aug 2010- )

Baron Glendevon, of Midhope, co. Linlithgow    [United Kingdom, 1964]
  1st: John Adrian Hope (16 Jul 1964-18 Jan 1995)
  2nd: Julian John Somerset Hope (19 Jan 1995-29 Sep 2009)
  3rd: Jonathan Charles Hope (29 Sep 2009- )

Baron Glendyne, of Sanquhar, co. Dumfries    [United Kingdom, 1922]
  1st: Robert Nivison (23 Jan 1922-14 Jun 1930)
  2nd: John Nivison (14 Jun 1930-28 Jan 1967)
  3rd: Robert Nivison (28 Jan 1967-27 Jun 2008)
  4th: John Nivison (27 Jun 2008- )

Baron Gleneig, of Glenelg, Inverness-shire    [United Kingdom, 1835]
  1st: Charles Grant (11 May 1835-23 Apr 1866)

Baron Glenesk, of Glenesk, co. Midlothian    [United Kingdom, 1895]
  1st: Algernon Borthwick (16 Nov 1895-24 Nov 1908)

Baron Glenlyon, of Glenlyon, co. Perth    [United Kingdom, 1821]
  1st: James Murray (17 Jul 1821-12 Oct 1837)
  2nd: George Augustus Frederick John Murray (12 Oct 1837-16 Jan 1864)
  3rd: John James Hugh Henry Stewart-Murray (16 Jan 1864-20 Jan 1917)
  4th: John George Stewart-Murray (20 Jan 1917-16 Mar 1942)
  5th: James Thomas Stewart-Murray (16 Mar 1942-8 May 1957)
  6th: George Iain Murray (8 May 1957-27 Feb 1996)
  7th: John Murray (27 Feb 1996-15 May 2012)
  8th: Bruce George Ronald Murray (15 May 2012- )

Baron Glenravel, of Kensington, co. London    [United Kingdom, 1936]
  1st: Arthur Shirley Benn (1 Feb 1936-13 Jun 1937)

Baron Glentanar, of Glen Tanar, co. Aberdeen    [United Kingdom, 1916]
  1st: George Coats (29 Jun 1916-26 Nov 1918)
  2nd: Thomas Coats (26 Nov 1918-28 Jun 1971)

Baron Glentoran, of Ballyalloly, co. Down    [United Kingdom, 1939]
  1st: Herbert Dixon (8 Jul 1939-20 Jul 1950)
  2nd: Daniel Stewart Thomas Bingham Dixon (20 Jul 1950-22 Jul 1995)
  3rd: Thomas Robin Valerian Dixon (22 Jul 1995- )

Baron Glentworth of Mallow    [Ireland, 1790]
  1st: William Cecil Pery (2 Jun 1790-4 Jul 1794)
  2nd: Edmond Henry Pery (4 Jul 1794-7 Dec 1844)
  3rd: William Henry Tennison Pery (7 Dec 1844-5 Jan 1866)
  4th: William Hale John Charles Pery (5 Jan 1866-8 Aug 1896)
  5th: William Henry Edmond de Vere Sheaffe Pery (8 Aug 1896-18 Mar 1929)
  6th: Edmund Colquhoun Pery (18 Mar 1929-4 Aug 1967)
  7th: Patrick Edmund Pery (4 Aug 1967-8 Jan 2003)
  8th: Edmund Christopher Pery (8 Jan 2003- )

Lord Glenurchy, Benederaloch, Ormelie and Weick    [Scotland, 1681]
  1st: John Campbell (13 Aug 1681-19 Mar 1717)
  2nd: John Campbell (19 Mar 1717-23 Feb 1752)
  3rd: John Campbell (23 Feb 1752-26 Jan 1782)
  4th: John Campbell (26 Jan 1782-29 Mar 1834)
  5th: John Campbell (29 Mar 1834-8 Nov 1862)
  6th: John Alexander Gavin Campbell (8 Nov 1862-20 Mar 1871)
  7th: Gavin Campbell (20 Mar 1871-19 Oct 1922)
  8th: Iain Edward Herbert Campbell (19 Oct 1922-10 May 1923)
  9th: Charles William Campbell (10 May 1923-5 May 1959)
10th: John Romer Boreland Campbell (5 May 1959-1995)

Baron Glyn, of Farnborough, co. Berks    [United Kingdom, 1953]
  1st: Ralph George Campbell Glyn (29 Jun 1953-1 May 1960)

Baron Godolphin, of Farnham Royal, co. Buckingham    [United Kingdom, 1832]
  1st: Francis Godolphin Osborne (14 May 1832-15 Feb 1850)
  2nd: George Godolphin Osborne (15 Feb 1850-8 Aug 1872)
  3rd: George Godolphin Osborne (8 Aug 1872-23 Dec 1895)
  4th: George Godolphin Osborne (23 Dec 1895-10 May 1927)
  5th: John Francis Godophin Osborne (10 May 1927-26 Jul 1963)
  6th: Francis D'Arcy Godolphin Osborne (Jul 1963-20 Mar 1964)

Lord Goldielands    [Scotland, 1706]
  1st: Henry Scott (29 Mar 1706-25 Dec 1730)
  2nd: Francis Scott (25 Dec 1730-11 May 1739)
  3rd: Henry Scott (11 May 1739-31 Jan 1740)
  4th: Henry Scott (31 Jan 1740-10 Sep 1807)

Lord Gordon of Badenoch    [Scotland, 1599]
  1st: George Gordon (17 Apr 1599-13 Jun 1636)
  2nd: George Gordon (13 Jun 1636-22 Mar 1649)
  3rd: Lewis Gordon (25 Mar 1651-Dec 1653)
  4th: George Gordon (Dec 1653-7 Dec 1716)
  5th: Alexander Gordon (7 Dec 1716-28 Nov 1728)
  6th: Cosmo George Gordon (28 Nov 1728-5 Aug 1752)
  7th: Alexander Gordon (5 Aug 1752-17 Jun 1827)
  8th: George Gordon (17 Jun 1827-28 May 1836)
  9th: George Gordon (28 May 1836-17 Jun 1853)
10th: Charles Gordon (17 Jun 1853-18 Sep 1863)
11th: Charles Gordon (18 Sep 1863-20 Feb 1937)
12th: Douglas Charles Lindsey Gordon (20 Feb 1937-1987)
13th: Granville Charles Gomer Gordon (1987- )

Baron Gordon of Huntly, co. Gloucester    [Great Britain, 1784]
  1st: Alexander Gordon (7 Jul 1784-17 Jun 1827)
  2nd: George Gordon (11 Apr 1807-28 May 1836)

Lord Gordon of Strathavon and Glenlivet    [Scotland, 1660]
  1st: Charles Gordon (10 Sep 1660-Mar 1681)
  2nd: Charles Gordon (Mar 1681-Apr 1702)
  3rd: John Gordon (Apr 1702-7 Apr 1732)
  4th: Charles Gordon (7 Apr 1732-28 Dec 1794)
  5th: George Gordon (28 Dec 1794-17 Jun 1853)
  6th: Charles Gordon (17 Jun 1853-18 Sep 1863)
  7th: Charles Gordon (18 Sep 1863-20 Feb 1937)
  8th: Douglas Charles Lindsey Gordon (20 Feb 1937-1987)
  9th: Granville Charles Gomer Gordon (1987- )

Baron Gore of Manor Gore, co. Donegal    [Ireland, 1764]
  1st: Ralph Gore (30 Jun 1764-1802)

Baron Gorell, of Brampton, co. Derby    [United Kingdom, 1909]
  1st: John Gorell Barnes (16 Feb 1909-22 Apr 1913)
  2nd: Henry Gorell Barnes (22 Apr 1913-16 Jan 1917)
  3rd: Ronald Gorell Barnes (16 Jan 1917-2 May 1963)
  4th: Timothy John Radcliffe Barnes (2 May 1963-25 Sep 2007)
  5th: John Picton Gorell Barnes (2003- )

Baron Goring of Hurstpierpoint, co. Sussex    [England, 1628]
  1st: George Goring (14 Apr 1628-6 Jan 1663)
  2nd: Charles Goring (6 Jan 1663-3 Mar 1671)

Lord Gormanston of Whitewood    [Ireland, 1370]
15th: Jenico Preston (1800-10 Feb 1860)

Baron Gormanston of Whitewood, co. Meath    [United Kingdom, 1868]
  1st: Edward Anthony John Preston (8 Dec 1868-28 Sep 1876)
  2nd: Jenico William Joseph Preston (28 Sep 1876-29 Oct 1907)
  3rd: Jenico Edward Joseph Preston (29 Oct 1907-7 Nov 1925)
  4th: Jenico William Richard Preston (7 Nov 1925-9 Jun 1940)
  5th: Jenico Nicholas Dudley Preston (9 Jun 1940- )

Baron Gosford of Market Hill, co. Armagh    [Ireland, 1776]
  1st: Archibald Acheson (20 Jul 1776-5 Sep 1790)
  2nd: Arthur Acheson (5 Sep 1790-14 Jan 1807)
  3rd: Archibald Acheson (14 Jan 1807-27 Mar 1849)
  4th: Archibald Acheson (27 Mar 1849-15 Jun 1864)
  5th: Archibald Brabazon Sparrow Acheson (15 Jun 1864-11 Apr 1922)
  6th: Archibald Charles Montagu Brabazon Acheson (11 Apr 1922-20 Mar 1954)
  7th: Archibald Alexander John Stanley Acheson (20 Mar 1954-17 Feb 1966)
  8th: Charles David Alexander John Sparrow Acheson (17 Feb 1966- )

Baron Gough of ChinKangFoo, in China and of Maharajpore and the Sutlej in the East Indies    [United Kingdom, 1846]
  1st: Hugh Gough (25 Apr 1846-2 Mar 1869)
  2nd: George Stephens Gough (2 Mar 1869-31 May 1895)
  3rd: Hugh Gough (31 May 1895-14 Oct 1919)
  4th: Hugh William Gough (14 Oct 1919-4 Dec 1951)
  5th: Shane Hugh Maryon Gough (4 Dec 1951- )

Baron Gowrie, of Canberra, Australia and of Dirleton, co. East Lothian    [United Kingdom, 1935]
  1st: Alexander Gore Arkwright Hore-Ruthven (20 Dec 1935-2 May 1955)
  2nd: Alexander Patrick Greysteil Hore-Ruthven (2 May 1955- )

Lord Graham    [Scotland, 1403]
  6th: John Graham (9 Nov 1608-14 Nov 1626)

Lord Graham    [Scotland, 1445]
  1st: Patrick Graham (bt 1432-1445-bt 1466-1478)
  2nd: William Graham (a 24 Jun 1466-1472)
  3rd: William Graham (1472-9 Sep 1513)
  4th: William Graham (9 Sep 1513-24 May 1571)
  5th: John Graham (24 May 1571-9 Nov 1608)
  7th: James Graham (14 Nov 1626-21 May 1650)
  8th: James Graham (21 May 1650-Feb 1669)
  9th: James Graham (Feb 1669-25 Apr 1684)
10th: James Graham (25 Apr 1684-7 Jan 1742)
11th: William Graham (7 Jan 1742-23 Sep 1790)
12th: James Graham (23 Sep 1790-30 Dec 1836)
13th: James Graham (30 Dec 1836-30 Dec 1874)
14th: Douglas Beresford Malise Ronald Graham (30 Dec 1874-10 Dec 1925)
15th: James Graham (Dec 1925-20 Jan 1954)
16th: James Angus Graham (20 Jan 1954-10 Feb 1992)
17th: James Graham (1992- )

Lord Graham and Mugdock    [Scotland, 1644]
  1st: James Graham (6 May 1644-21 May 1650)
  2nd: James Graham (21 May 1650-Feb 1669)
  3rd: James Graham (Feb 1669-25 Apr 1684)
  4th: James Graham (25 Apr 1684-7 Jan 1742)
  5th: William Graham (7 Jan 1742-23 Sep 1790)
  6th: James Graham (23 Sep 1790-30 Dec 1836)
  7th: James Graham (30 Dec 1836-30 Dec 1874)
  8th: Douglas Beresford Malise Ronald Graham (30 Dec 1874-10 Dec 1925)
  9th: James Graham (Dec 1925-20 Jan 1954)
10th: James Angus Graham (20 Jan 1954-10 Feb 1992)
11th: James Graham (1992- )

Baron Graham of Belford, co. Northumberland    [Great Britain, 1722]
  1st: David Graham (23 May 1722-30 Sep 1731)
  2nd: William Graham (30 Sep 1731-23 Sep 1790)
  3rd: James Graham (23 Sep 1790-30 Dec 1836)
  4th: James Graham (30 Dec 1836-30 Dec 1874)
  5th: Douglas Beresford Malise Ronald Graham (30 Dec 1874-10 Dec 1925)
  6th: James Graham (Dec 1925-20 Jan 1954)
  7th: James Angus Graham (20 Jan 1954-10 Feb 1992)
  8th: James Graham (1992- )

Lord Graham of Esk    [Scotland, 1681]
  1st: Richard Graham (12 May 1681-22 Nov 1695)
  2nd: Edward Graham (22 Dec 1695-1710)
  3rd: Charles Graham (1710-22 Feb 1739)

Baron Granard of Castle Donnington, co. Leicester    [United Kingdom, 1806]
  1st: George Forbes (24 Feb 1806-9 Jun 1837)
  2nd: George Arthur Hastings Forbes (9 Jun 1837-25 Aug 1889)
  3rd: Bernard Arthur William Patrick Hastings Forbes (25 Aug 1889-10 Sep 1948)
  4th: Arthur Patrick Hastings Forbes (10 Sep 1948-1992)
  5th: Peter Arthur Edward Hastings Forbes (1992- )

Baron Grantchester, of Knightsbridge in the City of Westminster    [United Kingdom, 1953]
  1st: Alfred Jesse Taylor (30 Jun 1953-2 Jul 1976)
  2nd: Kenneth Bent Suenson-Taylor (2 Jul 1976-12 Aug 1995)
  3rd: Christopher John Suenson-Taylor (12 Aug 1995- )

Baron Grantham, of Grantham, co. Lincoln    [Great Britain, 1761]
  1st: Thomas Robinson (7 Apr 1761-30 Sep 1770)
  2nd: Thomas Robinson (30 Sep 1770-20 Jul 1786)
  3rd: Thomas Philip Grey (20 Jul 1786-14 Nov 1859)
  4th: George Frederick Samuel Robinson (28 Jan 1859-9 Jul 1909)
  5th: Frederick Oliver Robinson (9 Jul 1909-22 Sep 1923)

Lord Grantley, Baron of Markenfield, co. York    [Great Britain, 1782]
  1st: Fletcher Norton (9 Apr 1782-1 Jun 1789)
  2nd: William Norton (1 Jan 1789-12 Nov 1822)
  3rd: Fletcher Norton (12 Nov 1822-28 Aug 1875)
  4th: Thomas Brindsley Norton (28 Aug 1875-24 Jul 1877)
  5th: John Richard Brinsley Norton (24 Jul 1877-5 Aug 1943)
  6th: Richard Henry Brinsley Norton (5 Aug 1943-17 Jul 1954)
  7th: John Richard Brinsley Norton (17 Jul 1954-1995)
  8th: Richard William Brindsley Norton (1995- )

Baron Granville of Kilkhampton and Bideford    [England, 1661]
  1st: John Granville (20 Apr 1661-22 Aug 1701)
  2nd: Charles Granville (22 Aug 1701-4 Sep 1701)
  3rd: William Henry Granville (4 Sep 1701-17 May 1711)

Lord Graves, Baron of Gravesend    [Ireland, 1794]
  3rd: William Thomas Graves (7 Feb 1830-20 Mar 1870)
  4th: Clarence Edward Graves (20 Mar 1870-29 Jan 1904)

Lord Graves, Baron of Gravesend, co. Londonderry    [Ireland, 1794]
  1st: Thomas Graves (24 Oct 1794-9 Feb 1802)

Lord Graves, Baron of Gravesend, co. Londonerry    [Ireland, 1794]
  2nd: Thomas North Graves (9 Feb 1802-7 Feb 1830)
  5th: Henry Cyril Percy Graves (29 Jan 1904-13 Jan 1914)
  6th: Clarence Percy Rivers Graves (13 Jan 1914-1 Mar 1937)
  7th: Henry Algernon Claude Graves (1 Mar 1937-6 Nov 1963)
  8th: Peter George Wellesley Graves (6 Nov 1963-1994)
  9th: Evelyn Paget Graves (1994-6 Dec 2002)
10th: Timothy Evelyn Graves (6 Dec 2002- )

Lord Gray    [Scotland, 1445]
  1st: Andrew Gray (b 5 Jul 1445-c 1469)
  2nd: Andrew Gray (c 1469-Feb 1514)
  3rd: Patrick Gray (Feb 1514-Apr 1541)
  4th: Patrick Gray (Apr 1541-1584)
  5th: Patrick Gray (1584-b 10 Mar 1608)
  6th: Patrick Gray (b 10 Mar 1608-4 Sep 1611)
  7th: Andrew Gray (4 Sep 1611-1663)
  8th: Patrick Gray (1663-Jan 1711)
  9th: John Gray (27 Feb 1707-10 Jan 1724)
10th: John Gray (10 Jan 1724-15 Dec 1738)
11th: John Gray (15 Dec 1738-28 Aug 1782)
12th: Charles Gray (28 Aug 1782-18 Dec 1786)
13th: William John Gray (18 Dec 1786-12 Dec 1807)
14th: Francis Gray (12 Dec 1807-20 Aug 1842)
15th: John Gray (20 Aug 1842-31 Jan 1867)
16th: Madelina Gray (31 Jan 1867-20 Feb 1869)
17th: Margaret Grant (20 Feb 1869-27 May 1878)
18th: George Philip Stuart (27 May 1878-16 Mar 1895)
19th: Eveleen Pounden (16 Mar 1895-24 Dec 1918)
20th: James McLaren Stuart Gray (24 Dec 1918-2 May 1919)
21st: Ethel Eveleen Gray-Campbell (2 May 1919-2 Oct 1946)
22nd: Angus Diarmid Ian Campbell-Gray (2 Oct 1946-29 Apr 2003)
23rd: Andrew Godfrey Diarmid Stuart Campbell-Gray (29 Apr 2003- )

Baron Greene, of Holmbury St. Mary, co. Surrey    [United Kingdom, 1941]
  1st: Wilfred Arthur Greene (16 Jul 1941-16 Apr 1952)

Baron Greenhill, of Townhead in the City of Glsagow    [United Kingdom, 1950]
  1st: Ernest Greenhill (8 Jul 1950-18 Feb 1967)
  2nd: Stanley Greenhill (18 Feb 1967-28 Sep 1989)
  3rd: Maclolm Greenhill (28 Sep 1989- )

Baron Greenock, of Greenock, co. Renfrew    [United Kingdom, 1807]
  1st: William Schaw Cathcart (9 Nov 1807-16 Jun 1843)
  2nd: Charles Murray Cathcart (16 Jun 1843-16 Jul 1859)
  3rd: Alan Frederick Cathcart (16 Jul 1859-30 Oct 1905)
  4th: Alan Cathcart (30 Oct 1905-2 Sep 1911)
  5th: George Cathcart (2 Sep 1911-19 Nov 1927)
  6th: Alan Cathcart (19 Nov 1927-15 Jun 1999)
  7th: Charles Alan Andrew Cathcart (15 Jun 1999- )

Baron Greenway, of Stanbridge Earls, co. Southampton    [United Kingdom, 1927]
  1st: Charles Greenway (18 Jan 1927-17 Dec 1934)
  2nd: Charles Kelvynge Greenway (17 Dec 1934-30 Apr 1963)
  3rd: Charles Paul Greenway (30 Apr 1963-14 Sep 1975)
  4th: Ambrose Charles Drexel Greenway (14 Sep 1975- )

Baron Greenwich    [United Kingdom, 1947]
  1st: Philip Mountbatten (19 Nov 1947- )

Baroness Greenwich, co. Kent    [Great Britain, 1767]
  1st: Caroline Campbell (28 Aug 1767-11 Jan 1794)

Baron Greenwood, of Llanbister, co. Radnor    [United Kingdom, 1929]
  1st: Thomas Hamar Greenwood (31 Aug 1929-10 Sep 1948)
  2nd: David Henry Hamar Greenwood (10 Sep 1948-30 Jul 1998)
  3rd: Michael Henry Hamar Greenwood (30 Jul 1998-7 Jul 2003)

Baron Grenfell, of Kilvey, co. Glamorgan    [United Kingdom, 1902]
  1st: Francis Wallace Grenfell (19 Jul 1902-27 Jan 1925)
  2nd: Pascoe Christian Victor Francis Grenfell (27 Jan 1925-24 Sep 1976)
  3rd: Julian Pascoe Francis St. Leger Grenfell (24 Sep 1976- )

Baron Grenville    [Great Britain, 1790]
  1st: William Wyndham Grenville (25 Nov 1790-12 Jan 1834)

Baron Gretton, of Stapleford, co. Leicester    [United Kingdom, 1944]
  1st: John Gretton (27 Jan 1944-2 Jun 1947)
  2nd: John Frederic Gretton (2 Jun 1947-26 Mar 1982)
  3rd: John Henrik Gretton (26 Mar 1982-1989)
  4th: John Lysander Gretton (1989- )

Lord Grey, of Powis    [England, 1455]
  4th: Edward Grey ( -2 Jul 1551)

Lord Grey, of Rotherfield    [England, 1338]
  4th: Robert Grey

Baron Grey de Radcliffe, in the County Palatine of Lancaster    [United Kingdom, 1875]
  1st: Arthur Edward Holland Grey Egerton (14 Jun 1875-18 Jan 1885)

Baron Grey de Wilton, co. Hereford    [Great Britain, 1784]
  1st: Thomas Egerton (15 May 1784-23 Sep 1814)

Baron Grey of Groby, co. Leicester    [England, 1603]
  2nd: Henry Grey ( -1673)

Baron Grey of Howick, co. Northumberland    [United Kingdom, 1801]
  1st: Charles Grey (23 Jun 1801-14 Nov 1807)
  2nd: Charles Grey (14 Nov 1807-17 Jul 1845)
  3rd: Henry George Grey (17 Jul 1845-9 Oct 1894)
  4th: Albert Henry George Grey (9 Oct 1894-29 Aug 1917)
  5th: Charles Robert Grey (29 Aug 1917-2 Apr 1963)
  6th: Richard Fleming George Charles Grey (2 Apr 1963-10 Sep 2013)
  7th: Philip Kent Grey (10 Sep 2013- )

Baron Grey of Warke, co. Northumberland    [England, 1624]
  1st: William Grey (11 Feb 1624- )

Lord Greystoke    [England, 1321]
  1st: Ralph Greystoke (1321-1323)
  2nd: William Greystoke

Baron Gridley, of Stockport, co. Palatine of Chester    [United Kingdom, 1955]
  1st: Arnold Babb Gridley (10 Jan 1955-27 Jul 1965)
  2nd: Arnold Hudson Gridley (27 Jul 1965-15 Jun 1996)
  3rd: Richard David Arnold Gridley (15 Jun 1996- )

Lord Griffin, of Braybrook, Northamptonshire    [England, 1299]
11th: Thomas Griffin (15 May 1509-27 Aug 1566)

Baron Grimston of Westbury, of Westbury, co. Wilts    [United Kingdom, 1964]
  1st: Robert Villiers Grimston (11 Dec 1964-8 Dec 1979)
  2nd: Robert Walter Sigismund Grimston (8 Dec 1979-16 Jun 2003)
  3rd: Robert John Sylvester Grimston (16 Jul 2003- )

Baron Grimthorpe, of Grimthorpe, in the East Riding, co. York    [United Kingdom, 1886]
  1st: Edmund Beckett (17 Feb 1886-29 Apr 1905)
  2nd: Ernest William Beckett (29 Apr 1905-9 May 1917)
  3rd: Ralph William Ernest Beckett (9 May 1917-22 Feb 1963)
  4th: Christopher John Beckett (22 Feb 1963-6 Jul 2003)
  5th: Edward John Beckett (6 Jul 2003- )

Baron Grinstead, of Grinstead, co. Wilts    [United Kingdom, 1815]
  1st: John Willoughby Cole (11 Aug 1815-31 Mar 1840)
  2nd: William Willoughby Cole (31 Mar 1840-12 Nov 1886)
  3rd: Lowry Egerton Cole (12 Nov 1886-28 Apr 1924)
  4th: John Henry Michael Cole (28 Apr 1924-19 Feb 1963)
  5th: David Lowry Cole (19 Feb 1963-30 May 1989)
  6th: Andrew John Gilbraith Cole (30 May 1989- )

Baron Grosvenor of Eaton, co. Chester    [Great Britain, 1761]
  1st: Richard Grosvenor (8 Apr 1761-5 Aug 1802)
  2nd: Robert Grosvenor (5 Aug 1802-17 Feb 1845)
  3rd: Richard Grosvenor (17 Feb 1845-31 Oct 1869)
  4th: Hugh Lupus Grosvenor (17 Feb 1845-22 Dec 1899)
  5th: Hugh Richard Arthur Grosvenor (22 Dec 1899-19 Jul 1953)
  6th: William Grosvenor (19 Jul 1953-22 Feb 1963)
  7th: Gerald Hugh Grosvenor (22 Feb 1963-25 Feb 1967)
  8th: Robert George Grosvenor (25 Feb 1967-19 Feb 1979)
  9th: Gerald Cavendish Grosvenor (19 Feb 1979- )

Baron of Guernsey    [England, 1703]
  1st: Heneage Finch (15 Mar 1703-22 Jul 1719)
  2nd: Heneage Finch (22 Jul 1719-29 Jun 1757)
  3rd: Heneage Finch (29 Jun 1757-9 Mar 1777)
  4th: Heneage Finch (9 May 1777-21 Oct 1812)
  5th: Heneage Finch (21 Oct 1812-3 Jan 1859)
  6th: Heneage Finch (3 Jan 1859-10 Jan 1871)
  7th: Heneage Finch (10 Jan 1871-13 Jan 1885)
  8th: Charles Wightwick Finch (13 Jan 1885-16 Sep 1924)
  9th: Heneage Michael Charles Finch (16 Sep 1924-28 May 1940)
10th: Charles Daniel Finch-Knightley (28 May 1940-20 Mar 1958)
11th: Charles Ian Finch-Knightley (20 Mar 1958-19 Feb 2008)
12th: Heneage Charles Finch-Knightley (19 Feb 2008- )

Baron of Guilford, co. Surrey    [England, 1683]
  1st: Francis North (27 Sep 1683-5 Sep 1685)
  2nd: Francis North (5 Sep 1685-17 Oct 1729)
  3rd: Francis North (17 Oct 1729-4 Aug 1790)
  4th: Frederick North (4 Aug 1790-5 Aug 1792)
  5th: George Augustus North (5 Aug 1792-20 Apr 1802)
  6th: Francis North (20 Apr 1802-11 Jan 1817)
  7th: Frederick North (11 Jan 1817-14 Oct 1827)
  8th: Francis North (14 Oct 1827-29 Jan 1861)
  9th: Dudley Francis North (29 Jan 1861-19 Dec 1885)
10th: Frederick George North (19 Dec 1885-9 Nov 1949)
11th: Edward Francis North (9 Nov 1949-26 Mar 1999)
12th: Piers Edward Brownlow North (26 Mar 1999- )

Baron Gwydyr, of Gwydr, co. Carnarvon    [Great Britain, 1796]
  1st: Peter Burrell (16 Jun 1796-9 Jun 1820)
  2nd: Peter Robert Drummond-Burrell (29 Jun 1820-22 Feb 1865)
  3rd: Alberic Drummond-Willoughby (22 Feb 1865-26 Aug 1870)
  4th: Peter Robert Burrell (26 Aug 1870-3 Apr 1909)
  5th: Willoughby Merrik Campbell Burrell (3 Apr 1909-13 Feb 1915)

Baron Hacking, of Chorley, co. Lancaster    [United Kingdom, 1945]
  1st: Douglas Hewitt Hacking (2 Jul 1945- )
  2nd: Douglas Eric Hacking (29 Jul 1950-7 Nov 1971)
  3rd: Douglas David Hacking (7 Nov 1971- )

Lord Haddo, Methlick, Tarves and Kellie    [Scotland, 1682]
  1st: George Gordon (30 Nov 1682-20 Apr 1720)
  2nd: William Gordon (20 Apr 1720-30 Mar 1746)
  3rd: George Gordon (30 Mar 1745-13 Aug 1801)
  4th: George Hamilton-Gordon (13 Aug 1801-14 Dec 1860)
  5th: George John James Hamilton-Gordon (14 Dec 1860-22 Mar 1864)
  6th: George Hamilton-Gordon (22 Mar 1864-27 Jan 1870)
  7th: John Campbell Hamilton-Gordon (27 Jan 1870-7 Mar 1934)
  8th: George Gordon (7 Mar 1934-6 Jan 1965)
  9th: Dudley Gladstone Gordon (6 Jan 1965-16 Apr 1972)
10th: David George Ian Alexander Gordon (16 Apr 1972-13 Sep 1974)
11th: Archibald Victor Dudley Gordon (13 Sep 1974-7 Sep 1984)
12th: Alastair Ninian John Gordon (7 Sep 1984-19 Aug 2002)
13th: Alexander George Gordon (19 Aug 2002- )

Baron Haden-Guest, of Saling, co. Essex    [United Kingdom, 1950]
  1st: Leslie Haden-Guest (2 Feb 1950-20 Aug 1960)
  2nd: Stephen Haden-Guest (20 Aug 1960-21 Dec 1974)
  3rd: Richard Haden-Guest (21 Dec 1974-1987)
  4th: Peter Haden-Guest (1987-15 Apr 1996)
  5th: Christopher Haden-Guest (15 Apr 1996- )

Baron Haig, of Bemersyde, co. Berwick    [United Kingdom, 1919]
  1st: Douglas Haig (29 Sep 1919-30 Jan 1928)
  2nd: George Alexander Eugene Douglas Haig (30 Jan 1928-9 Jul 2009)
  3rd: Alexander Douglas Derrick Haig (9 Jul 2009- )

Lord Hailes    [Scotland, 1453]
  1st: Patrick Hepburn (bt 1452-1453-a 6 Dec 1482)
  2nd: Patrick Hepburn (c 1483-18 Oct 1508)
  3rd: Adam Hepburn (18 Oct 1508-9 Sep 1513)
  4th: Patrick Hepburn (9 Sep 1513-Sep 1556)
  5th: James Hepburn (Sep 1556-14 Apr 1578)

Lord Hailes    [Scotland, 1581]
  1st: Francis Stewart (16 Jun 1581-4 Nov 1613)

Baron Hailes, of Prestonkirk, East Lothian    [United Kingdom, 1957]
  1st: Patrick George Thomas Buchan-Hepburn (15 Feb 1957-5 Nov 1974)

Baron Hailey, of Shahpur in the Punjab and Newport Pagnell, co. Buckingham    [United Kingdom, 1936]
  1st: William Malcolm Hailey (15 Jul 1936-1 Jun 1969)

Baron Hailsham, of Hailsham, co. Sussex    [United Kingdom, 1928]
  1st: Douglas McGarel Hogg (5 Apr 1928-16 Aug 1950)
  2nd: Quintin McGarel Hogg (16 Aug 1950-12 Oct 2001)
  3rd: Douglas Martin Hogg (12 Oct 2001- )

Baron Haldon, of Haldon, co. Devon    [United Kingdom, 1880]
  1st: Lawrence Palk (29 May 1880-22 Mar 1883)
  2nd: Lawrence Hesketh Palk (22 Mar 1883-31 Dec 1903)
  3rd: Lawrence William Palk (31 Dec 1903-12 Jan 1933)
  4th: Lawrence Edward Broomfield Palk (12 Jan 1933-16 Aug 1938)
  5th: Edward Arthur Palk (16 Aug 1938-11 Jan 1939)

Baron Haliburton of Windsor, in Nova Scotia    [United Kingdom, 1898]
  1st: Arthur Lawrence Haliburton (13 Jun 1898-21 Apr 1907)

Baron Halifax, co. York    [England, 1700]
  1st: Charles Montagu (13 Dec 1700-19 May 1715)

Baron Halifax, co. York    [England, 1715]
  2nd: George Montague (19 May 1715-9 May 1739)
  3rd: George Montague-Dunk (9 May 1739-8 Jun 1771)

Baron Halsbury, of Halsbury, co. Devon    [United Kingdom, 1885]
  1st: Hardinge Stanley Giffard (26 Jun 1885-11 Dec 1921)
  2nd: Hardinge Goulburn Giffard (11 Dec 1921-15 Sep 1943)
  3rd: John Anthony Hardinge Giffard (15 Sep 1943-14 Jan 2000)
  4th: Adam Edward Giffard (14 Jan 2000-31 Dec 2011)

Lord Hamilton    [Scotland, 1445]
  1st: James Hamilton (28 Jun 1445-6 Nov 1479)
  2nd: James Hamilton (6 Nov 1479-bt 1529-1529)
  3rd: James Hamilton (bt 1529-1529-22 Jan 1575)
  4th: James Hamilton (22 Jan 1575-Mar 1609)
  5th: James Hamilton (Mar 1609-2 Mar 1625)
  6th: James Hamilton (2 Mar 1625-9 Mar 1649)

Lord Hamilton, Baron of Glenawly, co. Fermanagh    [Ireland, 1661]
  1st: Hugh Hamilton (2 Mar 1661-Apr 1678)
  2nd: William Hamilton (Apr 1678-Feb 1681)

Lord Hamilton, Baron of Strabane, co. Tyrone    [Ireland, 1617]
  1st: James Hamilton (8 May 1617-c 1670)
  2nd: Claud Hamilton (14 Aug 1634-14 Jun 1638)
  3rd: James Hamilton (14 Jun 1638-16 Jun 1655)
  4th: George Hamilton (16 Jun 1655-14 Apr 1668)
  5th: Claud Hamilton (14 Apr 1668-Aug 1691)
  6th: Charles Hamilton (24 May 1692-Jun 1701)
  7th: James Hamilton (Jun 1701-28 Nov 1734)
  8th: James Hamilton (28 Nov 1734-11 Jan 1744)
  9th: James Hamilton (11 Jan 1744-9 Oct 1789)
10th: John James Hamilton (9 Oct 1789-27 Jan 1818)
11th: James Hamilton (27 Jan 1818-31 Oct 1885)
12th: James Hamilton (31 Oct 1885-3 Jan 1913)
13th: James Albert Edward Hamilton (3 Jan 1913-12 Sep 1953)
14th: James Edward Hamilton (12 Sep 1953-4 Jun 1979)
15th: James Hamilton (4 Jun 1979- )

Baron Hamilton of Dalzell, co. Lanark    [United Kingdom, 1866]
  2nd: Gavin George Hamilton (15 Oct 1900-23 Jun 1952)
  3rd: John d'Henin Hamilton (23 Jun 1952-1990)
  4th: James Leslie Hamilton (1990-28 Sep 2006)
  5th: Gavin Goulburn Hamilton (28 Sep 2006- )

Baron Hamilton of Dalzell, co. Lanark    [United Kingdom, 1886]
  1st: John Glencairn Carter Hamilton (14 Aug 1886-15 Oct 1900)

Baroness Hamilton of Hameldon, co. Leicester    [Great Britain, 1776]
  1st: Elizabeth Gunning (20 May 1776-20 Dec 1790)
  2nd: Douglas Hamilton (20 Dec 1790-2 Aug 1799)
  3rd: George William Campbell (2 Aug 1799-22 Oct 1839)
  4th: John Douglas Edward Henry Campbell (22 Oct 1839-25 Apr 1847)
  5th: George Douglas Campbell (25 Apr 1847-24 Apr 1900)
  6th: John George Edward Henry Douglas Sutherland Campbell (24 Apr 1900-2 May 1914)
  7th: Niall Diarmid Campbell (2 May 1914-20 Aug 1949)
  8th: Ian Douglas Campbell (20 Aug 1949-7 Apr 1973)
  9th: Ian Campbell (7 Apr 1973-21 Apr 2001)
10th: Torquhil Ian Campbell (21 Apr 2001- )

Baron Hamilton of Stackallan    [Ireland, 1715]
  1st: Gustavus Hamilton (20 Oct 1715-16 Sep 1723)
  2nd: Gustavus Hamilton (16 Sep 1723-20 Apr 1746)
  3rd: Frederick Hamilton (20 Apr 1746-2 Jan 1772)
  4th: Richard Hamilton (2 Jan 1772-30 Jul 1789)
  5th: Gustavus Hamilton (30 Jul 1789-29 Feb 1816)
  6th: Gustavus Hamilton (26 Mar 1823-30 Mar 1855)
  7th: Gustavus Frederick John James Hamilton-Russell (30 Mar 1855-27 Oct 1872)
  8th: Gustavus Russell Hamilton-Russell (27 Oct 1872-30 Dec 1907)
  9th: Gustavus William Hamilton-Russell (30 Dec 1907-18 Jan 1942)
10th: Gustavus Michael George Hamilton-Russell (18 Jan 1942-14 Dec 1995)
11th: Gustavus Michael Stucley Hamilton-Russell (14 Dec 1995- )

Baron Hamilton of Wishaw, co. Lanark    [United Kingdom, 1831]
  1st: Robert Montgomery Hamilton (10 Sep 1831-22 Dec 1868)

Baron Hammond of Kirkella, in the town and county of the town of Kingston-upon-Hull    [United Kingdom, 1874]
  1st: Edmund Hammond (5 Mar 1874-29 Apr 1890)

Baron Hampton of Hampton Lovett and of Westwood, co. Worcester    [United Kingdom, 1874]
  1st: John Somerset Pakington (6 Mar 1874-9 Apr 1880)
  2nd: John Slaney Pakington (9 Apr 1880-26 Apr 1893)
  3rd: Herbert Perrot Murray Pakington (26 Apr 1893-17 Mar 1906)
  4th: Herbert Stuart Pakington (17 Mar 1906-30 Oct 1962)
  5th: Humphrey Arthur Pakington (30 Oct 1962-17 Feb 1974)
  6th: Richard Humphrey Russell Pakington (17 Feb 1974-9 Jul 2003)
  7th: John Humphrey Arnott Pakington (9 Jul 2003- )

Baron Hankey, of The Chart, co. Surrey    [United Kingdom, 1939]
  1st: Maurice Pascal Alers Hankey (3 Feb 1939-25 Jan 1963)
  2nd: Robert Maurice Alers Hankey (25 Jan 1963-28 Oct 1996)
  3rd: Donald Robin Alers Hankey (28 Oct 1996- )

Baron Hanmer of Hanmer and Flint, co. Flint    [United Kingdom, 1872]
  1st: John Hanmer (1 Oct 1872-8 Mar 1881)

Baron Hanworth, of Hanworth, co. Middlesex    [United Kingdom, 1926]
  1st: Ernest Murray Pollock (28 Jan 1926-22 Oct 1936)
  2nd: David Bertram Pollock (22 Oct 1936-31 Aug 1996)
  3rd: David Stephen Geoffrey Pollock (31 Aug 1996- )

Baron Harberton of Carbery, co. Kildare    [Ireland, 1783]
  1st: Arthur Pomeroy (10 Oct 1783-9 Apr 1798)
  2nd: Henry Pomeroy (9 Apr 1798-30 Nov 1829)
  3rd: Arthur James Pomeroy (30 Nov 1829-27 Sep 1832)
  4th: John Pomeroy (27 Sep 1832-4 Jul 1833)
  5th: John James Pomeroy (4 Jul 1833-5 Oct 1862)
  6th: James Spencer Pomeroy (5 Oct 1862-4 Dec 1912)
  7th: Ernest Arthur George Pomeroy (4 Dec 1912-22 Apr 1944)
  8th: Ralph Legge Pomeroy (22 Apr 1944-4 Jul 1956)
  9th: Henry Ralph Martyn Pomeroy (4 Jul 1956-1980)
10th: Thomas de Vautort Pomeroy (1980-12 Mar 2004)
11th: Henry Robert Pomeroy (12 Mar 2004- )

Baron Harborough, of Harborough, co. Leicester    [Great Britain, 1714]
  1st: Bennet Sherard (19 Oct 1714-16 Oct 1732)
  2nd: Philip Sherard (16 Oct 1732-20 Jul 1758)
  3rd: Bennet Sherard (20 Jul 1758-23 Feb 1770)
  4th: Robert Sherard (23 Feb 1770-21 Apr 1799)
  5th: Philip Sherard (21 Apr 1799-10 Dec 1807)
  6th: Robert Sherard (10 Dec 1807-28 Jul 1859)

Baron Harding of Petherton, of Nether Compton, co. Dorset    [United Kingdom, 1958]
  1st: Allan Francis John Harding (15 Jan 1958-1989)
  2nd: John Charles Harding (1989- )

Baron Hardinge of Penhurst, co. Kent    [United Kingdom, 1910]
  1st: Charles Hardinge (21 Jul 1910-2 Aug 1944)
  2nd: Alexander Henry Louis Hardinge (2 Aug 1944-29 May 1960)
  3rd: George Edward Charles Hardinge (29 May 1960-14 Jul 1997)
  4th: Julian Alexander Hardinge (14 Jul 1997- )

Baron Hardwicke, of Hardwicke, co. Gloucester    [Great Britain, 1733]
  2nd: Philip Yorke (6 Mar 1764-16 May 1790)
  3rd: Philip Yorke (16 May 1796-18 Nov 1834)
  4th: Charles Philip Yorke (18 Nov 1834-17 Sep 1873)
  5th: Charles Philip Yorke (17 Sep 1873-18 May 1897)
  6th: Albert Edward Philip Henry Yorke (18 May 1897-29 Nov 1904)
  7th: John Manners Yorke (29 Nov 1904-13 Mar 1909)
  8th: Charles Alexander Yorke (13 Mar 1909-1 Feb 1936)
  9th: Philip Grantham Yorke (1 Feb 1936-31 Dec 1974)
10th: Joseph Philip Sebastion Yorke (31 Dec 1974- )

Baron Hare of Convamore, co. Cork    [United Kingdom, 1869]
  1st: William Hare (8 Dec 1869-5 Jun 1924)
  2nd: Richard Granville Hare (5 Jun 1924-16 Nov 1931)
  3rd: William Francis Hare (16 Nov 1931-12 Mar 1997)
  4th: Francis Michael Hare (12 Mar 1997- )

Baron Harlech, of Harlech, co. Merioneth    [United Kingdom, 1876]
  1st: John Ralph Ormsby-Gore (14 Jan 1876-15 Jun 1876)
  2nd: William Richard Ormsby-Gore (15 Jun 1876-26 Jun 1904)
  3rd: George Ralph Charles Ormsby-Gore (26 Jun 1904-8 May 1938)
  4th: William George Arthur Ormsby-Gore (8 May 1938-14 Feb 1964)
  5th: William David Ormsby-Gore (14 Feb 1964-1985)
  6th: Francis David Ormsby-Gore (1985- )

Baron Harmsworth, of Egham, Surrey    [United Kingdom, 1939]
  1st: Cecil Bisshopp Harmsworth (4 Feb 1939-13 Aug 1948)
  2nd: Cecil Desmond Bernard Harmsworth (13 Aug 1948-1990)
  3rd: Thomas Harold Raymond Harmsworth (1990- )

Baron Harrington, co. Northampton    [Great Britain, 1730]
  1st: William Stanhope (6 Jan 1730-8 Dec 1756)
  2nd: William Stanhope (8 Dec 1756-1 Apr 1779)
  3rd: Charles Stanhope (1 Apr 1779-5 Sep 1829)
  4th: Charles Stanhope (5 Sep 1829-3 Mar 1851)
  5th: Leicester Fitzgerald Charles Stanhope (3 Mar 1851-7 Sep 1862)
  6th: Sydney Seymour Hyde Stanhope (7 Sep 1862-22 Feb 1866)
  7th: Charles Wyndham Stanhope (22 Feb 1866-26 Jun 1881)
  8th: Charles Augustus Stanhope (26 Jun 1881-5 Feb 1917)
  9th: Dudley Henry Eden Stanhope (5 Feb 1917-13 Nov 1928)
10th: Charles Joseph Leicester Stanhope (13 Nov 1928-16 Nov 1929)
11th: William Henry Leicester Stanhope (16 Nov 1929-12 Apr 2009)
12th: Charles Henry Leicester Stanhope (12 Apr 2009- )

Baron Harris of Seringapatam and Mysore, in the East Indies, and of Belmont, co. Kent    [United Kingdom, 1815]
  1st: George Harris (11 Aug 1815-19 May 1829)
  2nd: William George Harris (19 May 1829-30 May 1845)
  3rd: George Francis Robert Harris (30 May 1845-23 Nov 1872)
  4th: George Robert Canning Harris (23 Nov 1872-24 Mar 1932)
  5th: George St. Vincent Harris (24 Mar 1932-1984)
  6th: George Robert John Harris (1984-17 Sep 1995)
  7th: Derek Marshall Harris Harris (17 Sep 1995-30 Jun 1996)
  8th: Anthony Thomas Scott Harris (30 Jun 1996- )

Baron Harrowby, of Harrowby, co. Lincoln    [Great Britain, 1776]
  1st: Nathaniel Ryder (20 May 1776-20 Jun 1803)
  2nd: Dudley Ryder (20 Jun 1803-26 Dec 1847)
  3rd: Dudley Ryder (26 Dec 1847-19 Nov 1882)
  4th: Dudley Francis Stuart Ryder (19 Nov 1882-26 Mar 1900)
  5th: Henry Ryder (26 Mar 1900-11 Dec 1900)
  6th: John Herbert Dudley Ryder (11 Dec 1900-30 Mar 1956)
  7th: Dudley Ryder (30 Mar 1956-1987)
  8th: Dudley Danvers Granville Coutts Ryder (1987-9 Oct 2007)
  9th: Dudley Adrian Conroy Ryder (9 Oct 2007- )

Baron Hartismere, of Hartismere, Suffolk    [United Kingdom, 1866]
  1st: John Henniker-Major (13 Jul 1866-16 Apr 1870)
  2nd: John Major Henniker-Major (16 Jul 1870-27 Jun 1902)
  3rd: Charles Henry Chandos Henniker-Major (27 Jun 1902-4 Feb 1956)
  4th: John Ernest de Grey Henniker-Major (4 Feb 1956-9 Feb 1980)
  5th: John Patrick Edward Chandos Henniker-Major (9 Feb 1980-29 Apr 2004)
  6th: Mark Ian Philip Chandos Henniker-Major (29 Apr 2004- )

Baron Hartland, of Strokestown, co. Roscommon    [Ireland, 1800]
  2nd: Thomas Mahon (4 Jan 1819-8 Dec 1835)
  3rd: Maurice Mahon (8 Dec 1835-11 Nov 1845)

Baron Harvey of Tasburgh, of Tasburgh, co. Norfolk    [United Kingdom, 1954]
  1st: Oliver Charles Harvey Harvey (3 Jul 1954-29 Nov 1968)
  2nd: Peter Charles Oliver Harvey (29 Nov 1968-18 Apr 2010)
  3rd: Charles John Giuseppe Harvey (18 Apr 2010- )

Lord Harwich, Baron of Harwich, co. Essex    [Great Britain, 1756]
  1st: Wills Hill (17 Nov 1756-7 Oct 1793)
  2nd: Arthur Hill (7 Oct 1793-7 Sep 1801)
  3rd: Arthur Blundell Sandys Trumbull Hill (7 Sep 1801-12 Apr 1845)
  4th: Arthur Wills Blundell Sandys Trumbull Windsor Hill (12 Apr 1845-6 Aug 1868)
  5th: Arthur Wills Blundell Sandys Roden Hill (6 Aug 1868-31 Mar 1874)
  6th: Arthur Wills John Wellington Trumbull Hill (31 Mar 1874-29 May 1918)
  7th: Arthur Wills Percy Wellington Blundell Trumbull Sandys Hill (29 May 1918-28 Mar 1989)
  8th: Arthur Robin Ian Hill (28 Mar 1989-18 Dec 2003)
  9th: Arthur Francis Nicholas Wills Ian Hill (18 Dec 2003- )

Baron Harwood, of Harewood, co. York    [Great Britain, 1796]
  1st: Edward Lascelles (18 Jun 1796-3 Apr 1820)
  2nd: Henry Lascelles (3 Apr 1820-24 Nov 1841)
  3rd: Henry Lascelles (24 Nov 1841-22 Feb 1857)
  4th: Henry Thynne Lascelles (22 Feb 1857-24 Jun 1892)
  5th: Henry Ulick Lascelles (24 Jun 1892-6 Oct 1929)
  6th: Henry George Charles Lascelles (6 Oct 1929-23 May 1947)
  7th: George Henry Hubert Lascelles (24 May 1947-10 Jul 2011)
  8th: David Henry George Lascelles (10 Jul 2011- )

Baron Haryngton of Exton, co. Rutland    [England, 1603]
  1st: John Harington (21 Jul 1603-23 Aug 1613)
  2nd: John Harington (23 Aug 1613-27 Feb 1614)

Lord Hastings    [England, 1461]
  2nd: Edward Hastings (13 Jun 1483-bt 1506-1506)
  3rd: George Hastings (8 Nov 1506-24 Mar 1544)
  4th: Francis Hastings (24 Mar 1544-23 Jun 1560)
  5th: Henry Hastings (23 Jan 1559-14 Dec 1595)
  6th: George Hastings (14 Dec 1595-31 Dec 1604)
  7th: Henry Hastings (31 Dec 1604-14 Nov 1643)
  8th: Ferdinando Hastings (Oct 1640-13 Feb 1656)
  9th: Theophilus Hastings (13 Feb 1656-30 May 1701)
10th: George Hastings (30 May 1701-22 Feb 1705)
11th: Theophilus Hastings (22 Feb 1705-13 Oct 1747)
12th: Elizabeth Hastings (2 Oct 1789-11 Apr 1808)
12th: Francis Hastings (13 Oct 1747-2 Oct 1789)
13th: Francis Rawdon-Hastings (11 Apr 1808-28 Nov 1826)

Baron Hastings of Loughborough    [England, 1558]
  1st: Edward Hastings (19 Jan 1558-5 Mar 1572)

Baron Hatherley, of Down Hatherley, co. Gloucester    [United Kingdom, 1868]
  1st: William Page Wood (9 Dec 1868-10 Jul 1881)

Baron Hatherton, of Hatherton, co. Stafford    [United Kingdom, 1835]
  1st: Edward John Littleton (11 May 1835-4 May 1863)
  2nd: Edward Richard Littleton (4 May 1863-3 Apr 1888)
  3rd: Edward George Percy Littleton (3 Apr 1888-24 Aug 1930)
  4th: Edward Charles Rowley Littleton (24 Aug 1930-10 Nov 1944)
  5th: Edward Thomas Walhouse Littleton (10 Nov 1944-13 Nov 1969)
  6th: John Walter Stuart Littleton (13 Nov 1969-27 Jun 1973)
  7th: Thomas Charles Tasman Littleton (27 Jun 1973-1985)
  8th: Edward Charles Littleton (1985- )

Baron Haversham, of Bracknell, co. Berks    [United Kingdom, 1906]
  1st: Arthur Divett Hayter (11 Jan 1906-10 May 1917)

Baron Haversham, of Haversham, co. Buckingham    [England, 1696]
  1st: John Thompson (4 May 1696-1 Nov 1710)
  2nd: Maurice Thompson (1 Nov 1710-11 Apr 1745)

Baron Hawke of Towton, co. York    [Great Britain, 1776]
  1st: Edward Hawke (20 May 1776-17 Oct 1781)
  2nd: Martin Bladen Hawke (17 Oct 1781-27 Mar 1805)
  3rd: Edward Hawke-Harvey (27 Mar 1805-29 Nov 1824)
  4th: Edward William Hawke-Harvey (29 Nov 1824-8 Jan 1869)
  5th: Stanhope Hawke-Harvey (8 Jan 1869-5 May 1870)
  6th: Edward Henry Julius Hawke (5 May 1870-5 Dec 1887)
  7th: Martin Bladen Hawke (5 Dec 1887-10 Oct 1938)
  8th: Edward Julian Hawke (10 Oct 1938-4 Sep 1939)
  9th: Bladen Wilmer Hawke Hawke (4 Sep 1939-1985)
10th: Julian Stanhope Theodore Hawke (1985-1992)
11th: Edward George Hawke (1992-2 Dec 2009)
12th: William Martin Theodore Hawke (2 Dec 2009- )

Baron Hawkesbury, of Hawkesbury, co. Gloucester    [Great Britain, 1786]
  1st: Charles Jenkinson (21 Aug 1786-17 Dec 1808)
  2nd: Robert Bankes Jenkinson (15 Nov 1803-4 Dec 1828)
  3rd: Charles Cecil Cope Jenkinson (4 Dec 1828-3 Sep 1851)

Baron Hawkesbury of Haselbech, co. Northampton and of Ollerton, Sherwood Forest, co. Nottingham    [United Kingdom, 1893]
  2nd: Arthur William de Brito Savile Foljambe (23 Mar 1907-15 May 1941)
  3rd: Gerald William Frederick Savile Foljambe (15 May 1941-27 Jul 1967)
  4th: Robert Anthony Edward St. Andrew Savile Foljambe (27 Jul 1962-13 Mar 1969)
  5th: Edward Peter Bertram Savile Foljambe (13 Mar 1969- )

Lord Hay    [Scotland, 1430]
  1st: William Haye (b Mar 1430-1437)
  2nd: William Hay (1437-15 Nov 1461)
  3rd: Nicholas Hay (1461-1470)
  4th: William Hay (1470-14 Jan 1507)
  5th: William Hay (14 Jan 1507-9 Sep 1513)
  6th: William Hay (9 Sep 1513-28 Jul 1522)
  7th: William Hay (28 Jul 1522-11 Apr 1541)
  8th: George Hay (11 Apr 1541-30 Jan 1574)
  9th: Andrew Hay (30 Jan 1574-8 Oct 1585)
10th: Francis Hay (8 Oct 1585-16 Jul 1631)
11th: William Hay (16 Jul 1631-7 Dec 1636)
12th: Gilbert Hay (8 Feb 1637-Mar 1674)
13th: John Hay (Mar 1674-30 Dec 1704)
14th: Charles Hay (30 Dec 1704-13 Oct 1717)
15th: Mary Hay (13 Oct 1717-19 Aug 1758)
16th: James Hay (19 Aug 1758-3 Jul 1778)
17th: George Hay (3 Jul 1778-14 Jun 1798)
18th: William Hay (14 Jul 1798-26 Jan 1819)
19th: William George Hay (26 Jan 1819-19 Apr 1846)
20th: William Harry Hay (19 Apr 1846-3 Dec 1891)
21st: Charles Gore Hay (3 Dec 1891-8 Jul 1927)
22nd: Victor Alexander Sereld Hay (8 Jul 1927-20 Feb 1928)
23rd: Josslyn Victor Hay (20 Feb 1928-24 Jan 1941)
24th: Diana Denyse Hay (24 Jan 1941-17 May 1978)
25th: Merlin Sereld Victor Gilbert Hay (17 May 1978- )

Lord Hay    [Scotland, 1606]
  1st: James Hay (1 Jun 1606-25 Apr 1636)
  2nd: James Hay (25 Apr 1636-30 Oct 1660)

Lord Hay of Kinfauns    [Scotland, 1627]
  1st: George Hay (4 May 1627-16 Dec 1634)

Lord Hay of Kinfauns    [Scotland, 1633]
  1st: George Hay (25 May 1633-16 Dec 1634)
  2nd: George Hay (16 Dec 1634-5 Oct 1644)
  3rd: George Hay (5 Oct 1644-c 20 Nov 1649)
  4th: William Hay (c 20 Nov 1649-c Mar 1677)
  5th: George Hay (c May 1677-1687)
  6th: William Hay (1687-10 May 1709)
  7th: Thomas Hay (31 Dec 1697-5 Jan 1719)
  8th: George Henry Hay (5 Jan 1719-28 Jul 1758)
  9th: Thomas Hay (29 Jul 1758-27 Dec 1787)
10th: Robert Auriol Hay-Drummond (27 Dec 1787-12 Apr 1804)
11th: Thomas Robert Hay-Drummond (12 Apr 1804-18 Feb 1866)
12th: George Hay-Drummond (18 Feb 1866-30 Jan 1897)
13th: Archibald FitzRoy George Hay-Drummond (30 Jan 1897-7 Feb 1916)
14th: George Harley Hay-Drummond (7 Feb 1916-18 Mar 1938)
15th: Arthur William George Patrick Hay (18 Mar 1938-7 Jun 2013)
16th: Charles William Harley Hay (7 Jun 2013- )

Baron Hay of Pedwardine, co. Hereford    [Great Britain, 1711]
  1st: George Henry Hay (31 Dec 1711-28 Jul 1758)
  2nd: Thomas Hay (29 Jul 1758-27 Dec 1787)
  3rd: Robert Auriol Hay-Drummond (27 Dec 1787-12 Apr 1804)
  4th: Thomas Robert Hay-Drummond (12 Apr 1804-18 Feb 1866)
  5th: George Hay-Drummond (18 Feb 1866-30 Jan 1897)
  6th: Archibald FitzRoy George Hay-Drummond (30 Jan 1897-7 Feb 1916)
  8th: George Harley Hay-Drummond (7 Feb 1916-18 Mar 1938)
  8th: Arthur William George Patrick Hay (18 Mar 1938-7 Jun 2013)
  9th: Charles William Harley Hay (7 Jun 2013- )

Baron Hay of Sawley, co. York    [England, 1615]
  1st: James Hay (29 Jun 1615-25 Apr 1636)
  2nd: James Hay (25 Apr 1636-30 Oct 1660)

Lord Hay of Yester    [Scotland, 1488]
  1st: John Hay (29 Jan 1488-bt 1508-1508)
  2nd: John Hay (b 23 Oct 1508-9 Sep 1513)
  3rd: John Hay (9 Sep 1513-bt 1543-1543)
  4th: John Hay (c Jul 1543-b 30 Jan 1556)
  5th: William Hay (b 30 Jan 1556-Aug 1586)
  6th: William Hay (Aug 1586-c 29 May 1591)
  7th: James Hay (c 29 May 1591-3 Feb 1609)
  8th: John Hay (3 Feb 1609-25 May 1653)
  9th: John Hay (25 May 1653-11 Aug 1697)
10th: John Hay (11 Aug 1697-20 Apr 1713)
11th: Charles Hay (20 Apr 1713-17 Dec 1715)
12th: John Hay (17 Dec 1715-9 Dec 1762)
13th: George Hay (9 Dec 1762-4 Oct 1770)
14th: George Hay (4 Oct 1770-16 Nov 1787)
15th: George Hay (16 Nov 1787-9 Aug 1804)
16th: George Hay (9 Aug 1804-10 Oct 1876)
17th: Arthur Hay (10 Oct 1876-29 Dec 1878)
18th: William Montagu Hay (29 Dec 1878-25 Nov 1911)
19th: William George Montagu Hay (25 Nov 1911-30 Mar 1967)
20th: David George Montagu Hay (30 Mar 1967-23 Jan 1979)
21st: Edward Douglas John Hay (23 Jan 1979-1 Feb 2005)
22nd: Charles David Montagu Hay (1 Feb 2005- )

Baron Hayter, of Chislehurst, co. Kent    [United Kingdom, 1927]
  1st: George Hayter Chubb (29 Jan 1927-7 Nov 1946)
  2nd: Charles Archibald Chubb (7 Nov 1946-3 Mar 1967)
  3rd: George Hayter Chubb (3 Mar 1967-2 Sep 2003)
  4th: George William Michael Chubb (2 Sep 2003- )

Baron Hazlerigg, of Noseley Hall, co. Leicester    [United Kingdom, 1945]
  1st: Arthur Grey Hazlerigg (12 Feb 1945-25 May 1949)
  2nd: Arthur Grey Hazlerigg (25 May 1949-30 Sep 2002)
  3rd: Arthur Grey Hazlerigg (30 Sep 2002- )

Baron Headfort, of Headfort, co. Meath    [Ireland, 1760]
  1st: Thomas Taylour (6 Sep 1760-14 Feb 1795)
  2nd: Thomas Taylour (14 Dec 1795-24 Oct 1829)
  3rd: Thomas Taylour (24 Oct 1829-6 Dec 1870)
  4th: Thomas Taylour (6 Dec 1870-22 Jul 1894)
  5th: Geoffrey Thomas Taylour (22 Jul 1894-29 Jan 1943)
  6th: Terence Geoffrey Thomas Taylour (29 Jan 1943-24 Oct 1960)
  7th: Thomas Geoffrey Charles Michael Taylour (24 Oct 1960-21 Oct 2005)
  8th: Thomas Michael Ronald Christopher Taylour (21 Oct 2005- )

Baron Heathfield of Gibraltar, of Heathfield, Sussex    [Great Britain, 1787]
  1st: George Augustus Eliott (14 Jun 1787-6 Jul 1790)
  2nd: Francis Augustus Eliott (6 Jul 1790-26 Jan 1813)

Baron of Hedon, co. York    [Great Britain, 1742]
  1st: William Pulteney (14 Jul 1742-8 Jul 1764)

Baron Hemingford, of Watford, co. Herts    [United Kingdom, 1943]
  1st: Dennis Henry Herbert (1 Feb 1943-10 Dec 1947)
  2nd: Dennis George Ruddock Herbert (10 Dec 1947-Jun 1982)
  3rd: Dennis Nicholas Herbert Herbert (Jun 1982- )

Baron Hemphill, of Rathkenny and Cashel, co. Tipperary    [United Kingdom, 1906]
  1st: Charles Hare Hemphill (12 Jan 1906-4 Mar 1908)
  2nd: Stanhope Charles John Hemphill (4 Mar 1908-26 Mar 1919)
  3rd: Fitzroy Hemphill (26 Mar 1919-25 Nov 1930)
  4th: Martyn Charles Andrew Hemphill (25 Nov 1930-19 Mar 1957)
  5th: Peter Patrick Fitzroy Martyn-Hemphill (19 Mar 1957-6 Apr 2012)
  6th: Charles Andrew Martin Martyn-Hemphill (6 Apr 2012- )

Baron Henderson of Ardwick, of Morton Park, Carlisle    [United Kingdom, 1950]
  1st: Joseph Henderson (22 Jan 1950-26 Feb 1950)

Baron Heneage, of Hainton, co. Lincoln    [United Kingdom, 1896]
  1st: Edward Heneage (8 Jun 1896-10 Aug 1922)
  2nd: George Edward Heneage (10 Aug 1922-26 Jan 1954)
  3rd: Thomas Robert Heneage (26 Jan 1954-19 Feb 1967)

Baron Henley of Chardstock, co. Dorset    [Great Britain, 1799]
  1st: Morton Frederick Eden (9 Nov 1799-6 Dec 1830)

Baron Henley of Chardstock, co. Dorset    [Ireland, 1799]
  2nd: Robert Henry Henley (6 Dec 1830-3 Feb 1841)
  3rd: Anthony Henley (3 Feb 1841-27 Nov 1898)
  4th: Frederic Henley (27 Nov 1898-23 Dec 1923)
  5th: Anthony Ernest Henley (23 Dec 1923-23 Oct 1925)
  6th: Francis Robert Eden (23 Oct 1925-21 Apr 1962)
  7th: Michael Francis Eden (21 Apr 1962-20 Dec 1977)
  8th: Oliver Michael Robert Eden (20 Dec 1977- )

Baron Henniker of Stratford-upon-Slaney, co. Wicklow    [Ireland, 1800]
  1st: John Henniker (31 Jul 1800-18 Apr 1803)
  2nd: John Henniker-Major (18 Apr 1803-5 Dec 1821)
  3rd: John Minet Henniker-Major (5 Dec 1821-22 Jul 1832)
  4th: John Henniker-Major (22 Jul 1832-16 Apr 1870)
  5th: John Major Henniker-Major (16 Jul 1870-27 Jun 1902)
  6th: Charles Henry Chandos Henniker-Major (27 Jun 1902-4 Feb 1956)
  7th: John Ernest de Grey Henniker-Major (4 Feb 1956-9 Feb 1980)
  8th: John Patrick Edward Chandos Henniker-Major (9 Feb 1980-29 Apr 2004)
  9th: Mark Ian Philip Chandos Henniker-Major (29 Apr 2004- )

Baron Herbert of Chirbury, co. Salop    [United Kingdom, 1804]
  1st: Edward Clive (14 May 1804-16 May 1839)

Baron Herries, of Caerlaverock Castle, co. Dumfries and of Everingham, in the East Riding, co. York    [United Kingdom, 1884]
  1st: Marmaduke Francis Constable-Maxwell (10 Nov 1884-5 Oct 1908)

Lord Herries of Terregles    [Scotland, 1490]
  1st: Herbert Herries (3 Feb 1490-fr 1502-1505)
  2nd: Andrew Herries (c 1505-9 Sep 1513)
  3rd: William Herries (9 Feb 1513-26 Sep 1543)
  4th: Agnes Herries (26 Sep 1543-14 Mar 1594)
  5th: William Maxwell (14 Mar 1594-10 Oct 1603)
  6th: John Maxwell (10 Oct 1603-c May 1631)
  7th: John Maxwell (1631-bt 1677-1677)
  8th: Robert Maxwell (1677-b 23 Mar 1683)
  9th: William Maxwell (b 23 Mar 1683-20 Mar 1744)
10th: William Constable-Maxwell (23 Jun 1858-12 Nov 1876)
11th: Marmaduke Francis Constable-Maxwell (12 Nov 1876-5 Oct 1908)
12th: Gwendoline Mary Herries (5 Oct 1908-28 Aug 1945)
13th: Bernard Marmaduke Fitzalan-Howard (28 Aug 1945-30 Jan 1975)
14th: Anne Elizabeth Fitzalan-Howard (30 Jan 1975- )

Baron Herschell of the City of Durban    [United Kingdom, 1886]
  1st: Farrar Herschell (8 Feb 1886-1 Mar 1899)
  2nd: Richard Farrer Herschell (1 Mar 1899-14 Oct 1929)
  3rd: Rognvald Richard Farrer Herschell (14 Oct 1929-26 Oct 2008)

Baron Hervey of Ickworth, Suffolk    [England, 1703]
  1st: John Hervey (23 Mar 1703-20 Jan 1751)
  2nd: John Hervey (11 Jun 1733-5 Aug 1743)
  3rd: George William Hervey (5 Aug 1743-18 Mar 1775)
  4th: Augustus John Hervey (18 Mar 1775-23 Sep 1779)
  5th: Frederick Augustus Hervey (23 Sep 1779-8 Jul 1803)
  6th: Frederick William Hervey (8 Jul 1803-15 Feb 1859)
  7th: Frederick William Hervey (15 Feb 1859-30 Oct 1864)
  8th: Frederick William John Hervey (30 Oct 1864-7 Aug 1907)
  9th: Frederick William Fane Hervey (7 Aug 1907-24 Oct 1951)
10th: Herbert Arthur Robert Hervey (24 Oct 1951-5 Apr 1960)
11th: Victor Frederick Cochrane Hervey (5 Apr 1960-10 Mar 1985)
12th: Frederick William John Augustus Hervey (10 Mar 1985-10 Jan 1999)
13th: Frederick William Augustus Hervey (10 Jan 1999- )

Baron Hervey of Kidbrooke, co. Kent    [England, 1628]
  1st: Henry Hervey (27 Feb 1628-Jul 1642)

Baron Hervey of Rosse, co. Wexford    [Ireland, 1620]
  1st: Henry Hervey (5 Aug 1620-Jul 1642)

Baron Hesketh, of Hesketh, in the County Palatine of Lancaster    [United Kingdom, 1935]
  1st: Thomas Fermor-Hesketh (25 Jan 1935-20 Jul 1944)
  2nd: Frederick Fermor-Hesketh (20 Jul 1944-10 Jun 1955)
  3rd: Thomas Alexander Fermor-Hesketh (10 Jun 1955- )

Baron Hewart, of Bury, co. Lancs    [United Kingdom, 1922]
  1st: Gordon Hewart (24 Mar 1922-5 May 1943)
  2nd: Hugh Vaughan Hewart (5 May 1943-23 Jul 1964)

Baron Heytesbury of Heytesbury, co. Wilts    [United Kingdom, 1828]
  1st: William à Court (23 Jan 1828-31 May 1860)
  2nd: William Henry Ashe Holmes à Court (31 May 1860-21 Apr 1891)
  3rd: William Frederick Holmes à Court (21 Apr 1891-15 Aug 1903)
  4th: Leonard Holmes à Court (15 Aug 1903-2 Feb 1949)
  5th: William Leonard Frank Holmes à Court (2 Feb 1949-27 Nov 1971)
  6th: Francis William Holmes à Court (27 Nov 1971-5 Oct 2004)
  7th: James William Holmes à Court (5 Oct 2004- )

Baron Hicks of Ilmington, co. Warwick    [England, 1628]
  1st: Baptist Hicks (5 May 1628-18 Oct 1629)
  2nd: Edward Noel (18 Oct 1629-8 Mar 1643)
  3rd: Baptist Noel (8 Mar 1643-29 Oct 1682)
  4th: Edward Noel (29 Oct 1682-Jan 1689)
  5th: Wriothesley Baptist Noel (Jan 1689-21 Sep 1690)
  6th: Baptist Noel (21 Sep 1690-16 Apr 1714)
  7th: Baptist Noel (16 Apr 1714-21 Mar 1751)
  8th: Baptist Noel (21 Mar 1751-27 May 1759)
  9th: Henry Noel (27 May 1759-8 Apr 1798)

Baron Hill of Almaraz, and of Hardwicke, co. Salop.    [United Kingdom, 1814]
  1st: Rowland Hill (17 May 1814-10 Dec 1842)

Baron Hill of Almaraz and of Hardwicke, co. Salop.    [United Kingdom, 1816]
  1st: Rowland Hill (16 Jan 1816-10 Dec 1842)
  2nd: Rowland Hill (10 Dec 1842-2 Jan 1875)
  3rd: Rowland Clegg-Hill (2 Jan 1875-1895)
  9th: Peter David Raymond Charles Clegg-Hill (17 Mar 2003- )

Baron Hill of Almarez and of Hardwicke, co. Salop.    [United Kingdom, 1816]
  4th: Rowland Richard Clegg-Hill (30 Mar 1895-19 Dec 1923)
  5th: Francis William Clegg-Hill (19 Dec 1923-6 Jul 1924)
  6th: Charles Rowland Clegg-Hill (6 Jul 1924-3 May 1957)
  7th: Gerald Rowland Clegg-Hill (3 May 1957-4 May 1974)
  8th: Anthony Rowland Clegg-Hill (5 May 1974-b 17 Mar 2003)

Baron Hill of Kilwarlin, co. Down    [Ireland, 1717]
  1st: Trevor Hill (21 Aug 1717-3 May 1742)
  2nd: Wills Hill (3 May 1742-7 Oct 1793)
  3rd: Arthur Hill (7 Oct 1793-7 Sep 1801)
  4th: Arthur Blundell Sandys Trumbull Hill (7 Sep 1801-12 Apr 1845)
  5th: Arthur Wills Blundell Sandys Trumbull Windsor Hill (12 Apr 1845-6 Aug 1868)
  6th: Arthur Wills Blundell Sandys Roden Hill (6 Aug 1868-31 Mar 1874)
  7th: Arthur Wills John Wellington Trumbull Hill (31 Mar 1874-29 May 1918)
  8th: Arthur Wills Percy Wellington Blundell Trumbull Sandys Hill (29 May 1918-28 Mar 1989)
  9th: Arthur Robin Ian Hill (28 Mar 1989-18 Dec 2003)
10th: Arthur Francis Nicholas Wills Ian Hill (18 Dec 2003- )

Baron Hill of Olderfleet, of Belvior, co. Down and Brynkinalt    [Ireland, 1766]
  1st: Arthur Hill-Trevor (17 Feb 1766-30 Jan 1771)
  2nd: Arthur Hill-Trevor (30 Jan 1771-14 Dec 1837)
  3rd: Arthur Hill-Trevor (14 Dec 1837-11 Aug 1862)

Lord Hillhouse    [Scotland, 1697]
  1st: John Hamilton (14 Apr 1697-3 Dec 1744)
  2nd: Anne Hamilton (3 Dec 1744-21 Apr 1748)
  3rd: William Douglas (21 Apr 1748-23 Dec 1810)

Baron Hillingdon of Hillingdon, co. Middlesex    [United Kingdom, 1886]
  1st: Charles Henry Mills (15 Feb 1886-3 Apr 1898)
  2nd: Charles William Mills (3 Apr 1898-6 Apr 1919)
  3rd: Arthur Robert Mills (6 Apr 1919-5 Dec 1952)
  4th: Charles Hedworth Mills ( -1978)

Baron Hindlip of Hindlip, co. Worcester and of Alsop-en-le-Dale, co. Derby    [United Kingdom, 1886]
  1st: Henry Allsopp (16 Feb 1886-3 Apr 1887)
  2nd: Samuel Charles Allsopp (3 Apr 1887-12 Jul 1897)
  3rd: Charles Allsopp (12 Jul 1897-2 Dec 1931)
  4th: Charles Samuel Victor Allsopp (2 Dec 1931-30 Mar 1966)
  5th: Henry Richard Allsopp (30 Mar 1966-1993)
  6th: Charles Henry Allsopp (1993- )

Baron Hirst, of Witton, co. Warwick    [United Kingdom, 1934]
  1st: Hugo Hirst (28 Jun 1934-22 Jan 1943)

Baron Hives, of Duffield, co. Derby    [United Kingdom, 1950]
  1st: Ernest Hives (7 Jul 1950-24 Apr 1965)
  2nd: John Warwick Hives (24 Apr 1965-8 Oct 1997)
  3rd: Matthew Peter Hives (8 Oct 1997- )

Baron Hobart of Blickling, Norfolk    [Great Britain, 1728]
  1st: John Hobart (28 May 1728-22 Sep 1756)
  2nd: John Hobart (22 Sep 1756-3 Aug 1793)
  3rd: George Hobart (3 Aug 1793-14 Oct 1804)
  4th: Robert Hobart (30 Nov 1798-4 Feb 1816)
  5th: George Robart Hampden-Hobart (4 Feb 1816-1 Feb 1849)
  6th: Augustus Edward Hobart-Hampden (1 Feb 1849-29 Oct 1885)
  7th: Sidney Carr Hobart-Hampden-Mercer-Henderson (29 Oct 1885-15 Jan 1930)
  8th: John Hampden Mercer-Henderson (15 Jan 1930-2 Jan 1963)
  9th: Vere Frederick Cecil Hobart-Hampden (2 Jan 1963-19 Apr 1983)
10th: George Miles Hobart-Hampden (19 Apr 1983- )

Baron Hobhouse, of Hadspen, co. Somerset    [United Kingdom, 1885]
  1st: Arthur Hobhouse (2 Jul 1885-6 Dec 1904)

Baron Holand    [England, 1354]
  1st: Thomas Holand (Mar 1354-c 27 Dec 1360)

Baron Holden, of Alston, co. Cumberland    [United Kingdom, 1908]
  1st: Angus Holden (4 Jul 1908-25 Mar 1912)
  2nd: Ernest Illingworth Holden (25 Mar 1912-30 Jan 1937)
  3rd: Angus William Eden Holden (30 Jan 1937-6 Jul 1951)

Lord Holland, Baron of Holland    [Great Britain, 1762]
  2nd: Stephen Fox (24 Jul 1774-26 Dec 1774)
  3rd: Henry Richard Vassall Fox (26 Dec 1774-22 Oct 1840)
  4th: Henry Edward Fox (22 Oct 1840-18 Dec 1859)

Lord Holland, Baroness of Holland    [Great Britain, 1762]
  1st: Georgiana Carolina Lennox (3 May 1762-24 Jul 1774)

Baron Holland of Foxley, co. Wilts    [Great Britain, 1763]
  1st: Henry Fox (17 Apr 1763-1 Jul 1774)
  2nd: Stephen Fox (1 Jul 1774-26 Dec 1774)
  3rd: Henry Richard Vassall Fox (26 Dec 1774-22 Oct 1840)
  4th: Henry Edward Fox (22 Oct 1840-18 Dec 1859)

Baron Hollenden, of Leigh, co. Kent    [United Kingdom, 1912]
  1st: Samuel Morley (9 Feb 1912-18 Feb 1929)
  2nd: Geoffrey Hope-Morley (18 Feb 1929-19 Oct 1977)
  3rd: Gordon Hope Hope-Morley (19 Oct 1977-12 Apr 1999)
  4th: Ian Hampden Hope-Morley (12 Apr 1999- )

Baron Holmpatrick, of Holm Patrick, co. Dublin    [United Kingdom, 1897]
  1st: Ion Trant Hamilton (27 Jul 1897-6 Mar 1898)
  2nd: Hans Wellesley Hamilton (6 Mar 1898-5 Sep 1942)
  3rd: James Hans Hamilton (5 Sep 1942-1991)
  4th: Hans James David Hamilton (1991- )

Lord Home    [Scotland, 1473]
  1st: Alexander Home (2 Aug 1473-bt 1490-1491)
  2nd: Alexander Home (c 1491-9 Sep 1506)
  3rd: Alexander Home (9 Sep 1506-8 Oct 1516)
  4th: George Home (12 Aug 1522-c 15 Apr 1549)
  5th: Alexander Home (c 15 Apr 1549-1575)
  6th: Alexander Home (25 Jul 1578-5 Apr 1619)
  7th: James Home (5 Apr 1619-c Feb 1633)
  8th: James Home (Feb 1633-Dec 1666)
  9th: Alexander Home (Dec 1666-1674)
10th: James Home (1674-1687)
11th: Charles Home (1687-22 Jul 1706)
12th: Alexander Home (22 Jul 1706-1720)
13th: William Home (1720-28 Apr 1761)
14th: Alexander Home (28 Apr 1761-8 Oct 1786)
15th: Alexander Ramey-Home (8 Oct 1786-21 Oct 1841)
16th: Cospatrick Alexander Home (21 Oct 1841-4 Jul 1881)
17th: Charles Alexander Douglas-Home (4 Jul 1881-30 Apr 1918)
18th: Charles Cospatrick Archibald Douglas-Home (30 Apr 1918-11 Jul 1951)
19th: Alexander Frederick Douglas-Home (11 Jul 1951-9 Oct 1995)
20th: David Alexander Cospatrick Douglas-Home (9 Oct 1995- )

Baron of Hoo, co. Kent    [England, Jacobite]
  1st: William Villiers (Apr 1716-13 Jul 1721)

Lord Hoo, of Hoo in the county of Bedford and of Hastings in the county of Sussex    [England, 1448]
  1st: Thomas Hoo (2 Jun 1448-13 Feb 1455)

Baron Hood of Avalon, co. Somerset    [United Kingdom, 1892]
  1st: Arthur William Acland Hood (22 Feb 1892-15 Nov 1901)

Baron Hood of Catherington    [Ireland, 1782]
  1st: Samuel Hood (2 Sep 1782-27 Jan 1816)
  2nd: Henry Hood (27 Jan 1816-25 Jan 1836)
  3rd: Samuel Hood-Tibbits (15 Jan 1836-8 May 1846)
  4th: Francis Wheler Hood (8 May 1846-27 Apr 1907)
  5th: Grosvenor Arthur Alexander Hood (27 Apr 1907-26 Apr 1933)
  6th: Samuel Hood (26 Apr 1933-13 Oct 1981)
  7th: Alexander Lambert Hood (13 Oct 1981-2 Oct 1999)
  8th: Henry Lyttelton Alexander Hood (2 Oct 1999- )

Baroness Hood of Catherington, co. Southampton    [Great Britain, 1795]
  1st: Susannah Linzee (27 Mar 1795-25 May 1806)
  2nd: Henry Hood (25 May 1806-25 Jan 1836)
  3rd: Samuel Hood-Tibbits (15 Jan 1836-8 May 1846)
  4th: Francis Wheler Hood (8 May 1846-27 Apr 1907)
  5th: Grosvenor Arthur Alexander Hood (27 Apr 1907-26 Apr 1933)
  6th: Samuel Hood (26 Apr 1933-13 Oct 1981)
  7th: Alexander Lambert Hood (13 Oct 1981-2 Oct 1999)
  8th: Henry Lyttelton Alexander Hood (2 Oct 1999- )

Lord Hope    [Scotland, 1703]
  1st: Charles Hope (15 Apr 1703-26 Feb 1742)
  2nd: John Hope (26 Feb 1742-12 Feb 1781)
  3rd: James Hope Johnstone (12 Feb 1781-29 May 1817)
  4th: John Hope (29 May 1817-27 Aug 1823)
  5th: John Hope (27 Aug 1823-8 Apr 1843)
  6th: John Alexander Hope (8 Apr 1843-1 Apr 1873)
  7th: John Adrian Louis Hope (1 Apr 1873-29 Feb 1908)
  8th: Victor Alexander John Hope (29 Feb 1908-5 Jan 1952)
  9th: Charles William Frederick Hope (5 Jan 1952-1987)
10th: Adrian John Charles Hope (1987- )

Baron Hopetoun of Hopetoun, co. Linlithgow    [Scotland, 1809]
  1st: James Hope Johnstone (3 Feb 1809-29 May 1817)

Baron Hore-Belisha, of Devonport, co. Devon    [United Kingdom, 1954]
  1st: Leslie Hore-Belisha (14 Jan 1954-16 Feb 1957)

Baron Horne, of Stirkoke, co. Caithness    [United Kingdom, 1919]
  1st: Henry Sinclair Horne (8 Oct 1919-15 Aug 1929)

Baron Hotham of South Dalton    [Ireland, 1797]
  1st: William Hotham (17 Mar 1797-7 May 1813)
  2nd: Beaumont Hotham (7 May 1813-4 Mar 1814)
  3rd: Beaumont Hotham (4 Mar 1814-12 Dec 1870)
  4th: Charles Hotham (12 Dec 1870-29 May 1872)
  5th: John Hotham (29 May 1872-13 Dec 1907)
  6th: Frederick William Hotham (13 Dec 1907-7 Oct 1923)
  7th: Henry Frederick Hotham (7 Oct 1923-18 Nov 1967)
  8th: Henry Durand Hotham (18 Nov 1967- )

Baron Hothfield of Hothfield, co. Kent    [United Kingdom, 1881]
  1st: Henry James Tufton (11 Oct 1881-29 Oct 1926)
  2nd: John Sackville Richard Tufton (29 Oct 1926-21 Dec 1952)
  3rd: Henry Hastings Sackville Thanet Tufton (21 Dec 1952-20 Aug 1961)
  4th: Thomas Sackville Tufton (20 Aug 1961-1986)
  5th: George William Anthony Tufton (1986-1991)
  6th: Anthony Charles Sackville Tufton (1991- )

Baron of Houghton    [Great Britain, 1742]
  1st: Robert Walpole (6 Feb 1742-18 Mar 1745)

Lord Houghton, of Great Houghton, West Riding Yorkshire    [United Kingdom, 1863]
  1st: Richard Monckton Milnes (20 Aug 1863-11 Aug 1885)
  2nd: Robert Offley Ashburton Crewe-Milnes (11 Aug 1885-20 Jun 1945)

Baron Houghton of Houghton, co. Nottingham    [England, 1616]
  1st: John Holles (9 Jul 1616-4 Oct 1637)
  2nd: John Holles (4 Oct 1637-2 Jan 1666)
  3rd: Gilbert Holles (2 Jan 1666-16 Jan 1689)
  4th: John Holles (16 Jan 1689-15 Jul 1711)

Baron Howard of Charleton, Wilts    [England, 1622]
  1st: Thomas Howard (22 Jan 1622-16 Jul 1669)
  2nd: Charles Howard (30 Nov 1640-Apr 1679)
  3rd: Thomas Howard (Apr 1679-12 Apr 1706)
  4th: Henry Bowes Howard (12 Apr 1706-21 Mar 1757)

Baron Howard of Effingham, co. Surrey    [England, 1554]
  1st: William Howard (11 Mar 1554-21 Jan 1573)
  2nd: Charles Howard (21 Jan 1573-14 Dec 1624)
  3rd: William Howard ( -28 Nov 1615)
  4th: Charles Howard (14 Dec 1624-3 Oct 1642)
  5th: Charles Howard (3 Oct 1642-26 Apr 1681)
  6th: Francis Howard (26 Apr 1681-30 Mar 1695)
  7th: Thomas Howard (30 Mar 1695-13 Jul 1725)
  8th: Francis Howard (13 Jul 1725-12 Feb 1743)
  9th: Thomas Howard (12 Feb 1743-19 Nov 1763)
10th: Thomas Howard (19 Nov 1763-19 Nov 1791)
11th: Richard Howard (19 Nov 1791-10 Dec 1816)
12th: Kenneth Alexander Howard (10 Dec 1816-13 Feb 1845)
13th: Henry Howard (13 Feb 1845-5 Feb 1889)
14th: Henry Howard (5 Feb 1889-4 May 1898)
15th: Henry Alexander Gordon Howard (4 May 1898-6 May 1927)
16th: Gordon Frederick Henry Charles Howard (6 May 1927-7 Jul 1946)
17th: Mowbray Henry Gordon Howard (7 Jul 1946-23 Feb 1996)
18th: David Peter Mowbray Algernon Howard (22 Feb 1996- )

Baron Howard of Penrith, of Gowbarrow, co. Cumberland    [United Kingdom, 1930]
  1st: Esme William Howard (10 Jul 1930-1 Aug 1939)
  2nd: Francis Philip Howard (1 Aug 1939-13 Nov 1999)
  3rd: Philip Esme Howard (13 Nov 1999- )

Baron Howden of Grimston and Spaldington and of Cradockstown, co. Kildare    [Ireland, 1819]
  1st: John Francis Cradock (19 Oct 1819-Jul 1839)
  2nd: John Hobart Caradoc (26 Jul 1839-9 Oct 1873)

Baron Howden of Howden and Grimston, co. Yorks    [United Kingdom, 1831]
  1st: John Francis Cradock (10 Sep 1831-Jul 1839)
  2nd: John Hobart Caradoc (26 Jul 1839-9 Oct 1873)

Baron Howe of Langar, co. Nottingham    [Great Britain, 1788]
  1st: Richard Howe (19 Aug 1788-5 Aug 1799)
  2nd: Sophia Charlotte Howe (5 Aug 1799-3 Dec 1835)
  3rd: Richard William Penn Curzon-Howe (3 Dec 1835-12 May 1870)
  4th: George Augustus Frederick Louis Curzon-Howe (12 May 1870-4 Feb 1876)
  5th: Richard William Penn Curzon-Howe (4 Feb 1876-25 Sep 1900)
  6th: Richard George Penn Curzon (25 Sep 1900-10 Jan 1929)
  7th: Francis Richard Henry Penn Curzon (10 Jan 1929-1 Sep 1964)
  7th: Edward Richard Assheton Penn Curzon (1 Sep 1964-29 May 1984)
  9th: Frederick Richard Penn Curzon (29 May 1984- )

Baron Howick of Glendale, of Howick, co. Northumberland    [United Kingdom, 1960]
  1st: Charles Evelyn Baring (8 Feb 1960-10 Mar 1973)
  2nd: Charles Evelyn Baring (10 Mar 1973- )

Baron Howland of Streatham, Surrey    [England, 1695]
  1st: William Russell (13 Jun 1695-7 Sep 1700)
  2nd: Wriothesley Russell (7 Sep 1700-26 May 1711)
  3rd: Wriothesley Russell (26 May 1711-23 Oct 1732)
  4th: John Russell (23 Oct 1732-14 Jan 1771)
  5th: Francis Russell (14 Jan 1771-2 Mar 1802)
  6th: John Russell (2 Mar 1802-20 Oct 1839)
  7th: Francis Russell (15 Jan 1833-14 May 1861)
  8th: William Russell (14 May 1861-27 May 1872)
  9th: Francis Charles Hastings Russell (27 May 1872-14 Jan 1891)
10th: George William Francis Sackville Russell (14 Jan 1891-23 Mar 1893)
11th: Herbrand Arthur Russell (23 Mar 1893-27 Aug 1940)
12th: Hastings William Sackville Russell (27 Aug 1940-9 Oct 1953)
13th: John Ian Robert Russell (9 Oct 1953-25 Oct 2002)
14th: Henry Robin Ian Russell (25 Oct 2002-13 Jun 2003)
15th: Andrew Ian Henry Russell (13 Jun 2003- )

Baron Howth    [Ireland, 1440]
  1st: Christopher St. Lawrence (c 1440-fr 1462-1464)
  2nd: Robert St. Lawrence (c 1464-1486)
  3rd: Nicholas St. Lawrence (1486-10 Jul 1526)
  4th: Christopher St. Lawrence (10 Jul 1526-20 Apr 1542)
  5th: Edward St. Lawrence (20 Apr 1542-2 Jul 1549)
  6th: Richard St. Lawrence (2 Jul 1549-1558)
  7th: Christopher St. Lawrence (1558-24 Oct 1589)
  8th: Nicholas St. Lawrence (24 Oct 1589- )
  9th: Christopher St. Lawrence (c 11 May 1607-24 Oct 1619)
10th: Nicholas St. Lawrence (24 Oct 1619-1644)
11th: Thomas St. Lawrence (1644-bt 1649-1649)
12th: William St. Lawrence (1649-17 Jun 1671)
13th: Thomas St. Lawrence (17 Jun 1671-30 May 1727)
14th: William St. Lawrence (30 May 1727-4 Apr 1748)
15th: Thomas St. Lawrence (4 Apr 1748-29 Sep 1801)
16th: William St. Lawrence (29 Sep 1801-4 Apr 1822)
17th: Thomas St. Lawrence (4 Apr 1822-4 Feb 1874)
18th: William Ulick Tristram St. Lawrence (4 Feb 1874-9 Mar 1909)

Baron Howth of Howth, co. Dublin    [United Kingdom, 1881]
  1st: William Ulick Tristram St. Lawrence (7 Oct 1881-9 Mar 1909)

Baron Hume of Berwick    [England, 1604]
  1st: George Home (7 Jul 1604-20 Jan 1611)

Baron Hume of Berwick    [Great Britain, 1776]
  1st: Alexander Hume-Campbell (20 May 1776-9 Mar 1781)

Baron Hungarton, of Hungarton, co. Leicester    [United Kingdom, 1951]
  1st: Archibald Crawford (7 Feb 1951-14 Jun 1966)

Baron Hunsdon of Hunsdon, co. Hertford    [England, 1559]
  1st: Henry Carey (13 Jan 1559-23 Jul 1596)
  2nd: George Carey (23 Jul 1596-8 Sep 1603)
  3rd: John Carey (8 Sep 1603-c Apr 1617)
  4th: John Carey (17 Apr 1617-Apr 1666)
  5th: John Carey (3 Nov 1640-26 May 1677)
  6th: Robert Carey (26 May 1677-1692)
  7th: Robert Carey (1692-11 Sep 1702)
  8th: William Ferdinand Carey (11 Mar 1708-12 Jun 1765)

Baron Hunsdon of Hunsdon, of Briggens, co. Hertford    [United Kingdom, 1923]
  1st: Herbert Cokayne Gibbs (24 Jul 1923-22 May 1935)
  2nd: Walter Durant Gibbs (22 May 1935-30 May 1969)
  3rd: Anthony Durant Gibbs (30 May 1969-25 Jan 1986)
  4th: Vicary Tyser Gibbs (25 Jan 1986- )

Baron Hunsdon of Scutterskelfe, co. York    [United Kingdom, 1832]
  1st: Lucius Bentinck Cary (15 May 1832-12 Mar 1884)

Baron Huntingfield of Heveningham Hall    [Ireland, 1796]
  1st: Joshua Vanneck (7 Jul 1796-15 Aug 1816)
  2nd: Joshua Vanneck (15 Aug 1816-10 Aug 1844)
  3rd: Charles Andrew Vanneck (10 Aug 1844-21 Sep 1897)
  4th: Joshua Charles Vanneck (21 Sep 1897-13 Jan 1915)
  5th: William Charles Arcedeckne Vanneck (13 Jan 1915-20 Nov 1969)
  6th: Gerard Charles Arcedeckne Vanneck (20 Nov 1969-1 May 1994)
  7th: Joshua Charles Vanneck (1 May 1994- )

Lord Huntingtower, co. Perth    [Scotland, 1643]
  1st: William Murray (3 Aug 1643-c 11 Sep 1653)
  2nd: Elizabeth Murray (Sep 1653-4 Jun 1698)
  3rd: Lionel Tollemache (4 Jun 1698-23 Feb 1727)
  4th: Lionel Tollemache (23 Feb 1727-10 Mar 1770)
  5th: Lionel Tollemache (10 Mar 1770-22 Feb 1799)
  6th: Wilbraham Tollemache (22 Feb 1799-9 Mar 1821)
  7th: Louisa Tollemache (9 Mar 1821-22 Sep 1840)
  8th: Lionel William John Tollemache (22 Sep 1840-23 Sep 1878)
  9th: William John Manners Tollemache (23 Sep 1878-22 Nov 1935)
10th: Wenefryde Agatha Scott (22 Nov 1935-2 Jun 1975)
11th: Rosamund Agnes Greaves (2 Jun 1975-Dec 2003)
12th: Katherine Greaves (Dec 2003-8 Nov 2011)
13th: John Peter Grant (8 Nov 2011- )

Baron Hutchinson of Alexandria and Knocklofty, co. Tipperary    [United Kingdom, 1801]
  1st: John Hely Hutchinson (5 Dec 1801-29 Jun 1832)

Baron Hutchison of Montrose, of Kirkcaldy, co. Fife    [United Kingdom, 1932]
  1st: Robert Hutchison (30 Jun 1932-13 Jun 1950)

Baron Hyde of Hindon, co. Wilts    [England, 1660]
  1st: Edward Hyde (3 Nov 1660-19 Dec 1674)
  2nd: Henry Hyde (19 Dec 1674-31 Oct 1709)
  3rd: Edward Hyde (31 Oct 1709-31 Mar 1723)
  4th: Henry Hyde (31 Mar 1723-10 Dec 1753)
  5th: Henry Hyde (23 Jan 1751-26 Apr 1753)

Baron Hyde of Hindon, co. Wilts    [Great Britain, 1756]
  1st: Thomas Villiers (3 Jun 1756-11 Dec 1786)
  2nd: Thomas Villiers (11 Dec 1786-7 Mar 1824)
  3rd: John Charles Villiers (7 Mar 1824-22 Dec 1838)
  4th: George William Villiers (22 Dec 1838-27 Jun 1870)
  5th: Edward Hyde Villiers (27 Jun 1870-2 Oct 1914)
  6th: George Herbert Hyde Villiers (2 Oct 1914-13 Dec 1955)
  7th: George Frederick Laurence Hyde Villiers (13 Dec 1955-4 Jul 2009)
  8th: George Edward Laurence Villiers (4 Jul 2009- )

Baron Hylton of Hylton, co. Palatine of Durham and of Petersfield, co. Southampton    [United Kingdom, 1866]
  1st: William George Hylton Jolliffe (9 Jul 1866-1 Jun 1876)
  2nd: Hedworth Hylton Jolliffe (1 Jun 1876-31 Oct 1899)
  3rd: Hylton George Hylton Jolliffe (31 Oct 1899-26 May 1945)
  4th: William George Hervey Jolliffe (26 May 1945-14 Nov 1967)
  5th: Raymond Hervey Jolliffe (14 Nov 1967- )

Baron Hyndley, of Meads, co. Sussex    [United Kingdom, 1931]
  1st: John Scott Hindley (21 Jan 1931-5 Jan 1963)

Baron Ibrackan    [Ireland, 1756]
  1st: Percy Wyndham-O'Brien (11 Dec 1756-21 Jul 1774)

Baron of Ibracken    [Ireland, 1543]
  1st: Donough O'Brien (1 Jul 1543-1 Apr 1553)
  2nd: Conor O'Brien (1 Apr 1553-Jan 1591)
  3rd: Donough O'Brien (Jan 1591-5 Sep 1624)
  4th: Henry O'Brien (31 Mar 1613-b 22 Apr 1639)
  5th: Barnabas O'Brien (b 22 Apr 1639-c 12 Nov 1657)
  6th: Henry O'Brien (c Nov 1657-2 May 1691)
  7th: Henry O'Brien (2 May 1691-20 Apr 1741)

Lord Ilchester, co. Somerset, Baron of Woodford Strangways, co. Dorset    [Great Britain, 1741]
  1st: Stephen Fox-Strangways (11 May 1741-29 Sep 1776)
  2nd: Henry Thomas Fox-Strangways (29 Sep 1776-5 Sep 1802)
  3rd: Henry Stephen Fox-Strangways (5 Sep 1802-3 Jan 1858)
  4th: William Thomas Horner Fox-Strangways (3 Jan 1858-10 Jan 1865)
  5th: Henry Edward Fox-Strangways (10 Jan 1865-6 Dec 1905)
  6th: Giles Stephen Holland Fox-Strangways (6 Dec 1905-29 Oct 1959)
  7th: Edward Henry Charles James Fox-Strangways (29 Oct 1959-21 Aug 1964)
  8th: Walter Angelo Fox-Strangways (21 Aug 1964-4 Oct 1970)
  9th: Maurice Vivian de Touffreville Fox-Strangways (4 Oct 1970-2 Jul 2006)
10th: Robin Maurice Fox-Strangways (2 Jul 2006- )

Lord Ilchester and Stavordale, Baron of Redlynch, co. Somerset    [Great Britain, 1747]
  1st: Stephen Fox-Strangways (12 Jan 1747-29 Sep 1776)
  2nd: Henry Thomas Fox-Strangways (29 Sep 1776-5 Sep 1802)
  3rd: Henry Stephen Fox-Strangways (5 Sep 1802-3 Jan 1858)
  4th: William Thomas Horner Fox-Strangways (3 Jan 1858-10 Jan 1865)
  5th: Henry Edward Fox-Strangways (10 Jan 1865-6 Dec 1905)
  6th: Giles Stephen Holland Fox-Strangways (6 Dec 1905-29 Oct 1959)
  7th: Edward Henry Charles James Fox-Strangways (29 Oct 1959-21 Aug 1964)
  8th: Walter Angelo Fox-Strangways (21 Aug 1964-4 Oct 1970)
  9th: Maurice Vivian de Touffreville Fox-Strangways (4 Oct 1970-2 Jul 2006)
10th: Robin Maurice Fox-Strangways (2 Jul 2006- )

Baron Iliffe, of Yattendon, co. Berks    [United Kingdom, 1933]
  1st: Edward Mauger Iliffe (22 Jun 1933-25 Jul 1960)
  2nd: Edward Langton Iliffe (25 Jul 1960-15 Feb 1996)
  3rd: Robert Peter Richard Iliffe (15 Feb 1996- )

Baron Ilkeston, of Ilkeston, co. Derby    [United Kingdom, 1910]
  1st: Balthazar Walter Foster (14 Jul 1910-31 Jan 1913)
  2nd: Balthazar Stephen Sargant Foster (31 Jan 1913-4 Jan 1952)

Baron Illingworth, of Denton, West Riding of co. Yorks    [United Kingdom, 1921]
  1st: Albert Holden Illingworth (4 Jun 1921-23 Jan 1942)

Baron of Imanney, in the Province of Connaught    [Ireland, 1628]
  1st: Richard Bourke (23 Aug 1628-12 Nov 1635)
  2nd: Ulrick Bourke (12 Nov 1635-29 Apr 1658)

Baron Inchcape, of Strathnaver, co. Sutherland    [United Kingdom, 1911]
  2nd: Kenneth Mackay (23 May 1932-21 Jun 1939)
  3rd: Kenneth James William Mackay (21 Jun 1939-17 Mar 1994)
  4th: Kenneth Peter Lyle Mackay (17 Mar 1994- )

Baron of Inchiquin    [Ireland, 1543]
  1st: Murrough O'Brien (1 Jul 1543-fr 1551-1551)
  2nd: Dermod O'Brien (Oct 1551-31 Jan 1552)
  3rd: Murrough Macdermot O'Brien (31 Jan 1552-20 Apr 1573)
  4th: Murrough O'Brien (20 Apr 1573-29 Jul 1597)
  5th: Dermot O'Brien (29 Jul 1597-29 Dec 1624)
  6th: Morrogh O'Brien (29 Dec 1624-9 Sep 1674)
  7th: William O'Brien (9 Sep 1674-Jan 1692)
  8th: William O'Brien (Jan 1692-24 Dec 1719)
  9th: William O'Brien (24 Dec 1719-18 Jul 1777)
10th: Murrough O'Brien (18 Jul 1777-10 Feb 1808)
11th: William O'Brien (10 Feb 1808-21 Aug 1846)
12th: James O'Brien (21 Aug 1846-3 Jul 1855)
13th: Lucius O'Brien (11 Apr 1862-22 Mar 1872)
14th: Edward Donough O'Brien (22 Mar 1872-9 Apr 1900)
15th: Lucius William O'Brien (9 Apr 1900-9 Dec 1929)
16th: Donough Edward Foster O'Brien (9 Dec 1929-19 Oct 1968)
17th: Phaedrig Lucius Ambrose O'Brien (19 Oct 1968-1982)
18th: Conor Myles John O'Brien (1982- )

Baron Inchyra, of St. Madoes, co. Perth    [United Kingdom, 1962]
  1st: Frederick Hoyer Millar (2 Feb 1962-1989)
  2nd: Robert Charles Reneke Hoyer Millar (1989-27 Jun 2011)
  3rd: Christian James Charles Hoyer Millar (27 Jun 2011- )

Baron Inglewood, of Hutton-in-the-Forest, co. Cumberland    [United Kingdom, 1956]
  1st: William Morgan Fletcher-Vane (17 Jan 1956-1989)

Baron Inglewood, of Hutton-in-the-Forest, co. Cumberland    [United Kingdom, 1964]
  2nd: William Richard Fletcher-Vane (1989- )

Baron of Innerdale, co. Cumberland    [England, 1619]
  1st: James Hamilton (16 Jun 1619-2 Mar 1625)
  2nd: James Hamilton (2 Mar 1625-9 Mar 1649)
  3rd: William Hamilton (9 Mar 1649-12 Sep 1651)

Lord Innerkeithing    [Scotland, 1660]
11th: Henry James Scrymgeour (31 Jul 1952-29 Jun 1983)
12th: Alexander Henry Scrymgeour (29 Jun 1983- )

Lord Innermeath    [Scotland, 1469]
  1st: Walter Stewart (30 Nov 1469-bt 1481-1489)
  2nd: Thomas Stewart (c 1488-9 Sep 1513)
  3rd: Richard Stewart (9 Sep 1513-1532)
  4th: John Stewart (1532-Jan 1570)
  5th: James Stewart (Jan 1570-14 Feb 1586)
  6th: John Stewart (b May 1579-bt 1603-1603)
  7th: James Stewart (bt 1603-1603-1625)

Lord of Inverary, Mull, Morvern and Tirie    [Scotland, 1701]
  1st: Archibald Campbell (23 Jun 1701-25 Sep 1703)
  2nd: John Campbell (25 Sep 1703-4 Oct 1743)
  3rd: Archibald Campbell (4 Oct 1743-15 Apr 1761)
  4th: John Campbell (15 Apr 1761-9 Nov 1770)
  5th: John Campbell (9 Nov 1770-24 May 1806)
  6th: George William Campbell (24 May 1806-22 Oct 1839)
  7th: John Douglas Edward Henry Campbell (22 Oct 1839-25 Apr 1847)
  8th: George Douglas Campbell (25 Apr 1847-24 Apr 1900)
  9th: John George Edward Henry Douglas Sutherland Campbell (24 Apr 1900-2 May 1914)
10th: Niall Diarmid Campbell (2 May 1914-20 Aug 1949)
11th: Ian Douglas Campbell (20 Aug 1949-7 Apr 1973)
12th: Ian Campbell (7 Apr 1973-21 Apr 2001)
13th: Torquhil Ian Campbell (21 Apr 2001- )

Lord Inverbervie, of co. Kincardine    [Scotland, 1641]
  1st: Robert Arbuthnott (16 Nov 1641-10 Oct 1655)
  2nd: Robert Arbuthnott (10 Oct 1655-16 Jun 1682)
  3rd: Robert Arbuthnott (16 Jun 1682-c Aug 1694)
  4th: Robert Arbuthnott (Aug 1694-8 May 1710)
  5th: John Arbuthnott (8 May 1710-8 May 1756)
  6th: John Arbuthnott (8 May 1756-20 Apr 1791)
  7th: John Arbuthnott (20 Apr 1791-27 Feb 1800)
  8th: John Arbuthnott (27 Feb 1800-10 Jan 1860)
  9th: John Arbuthnott (10 Jan 1860-26 May 1891)
10th: John Arbuthnott (26 May 1891-30 Nov 1895)
11th: David Arbuthnott (30 Nov 1895-24 May 1914)
12th: William Arbuthnott (24 May 1914-8 Nov 1917)
13th: Walter Charles Warner Arbuthnott (8 Nov 1917-9 Aug 1920)
14th: John Oglivy Arbuthnott (9 Aug 1920-17 Oct 1960)
15th: Robert Keith Arbuthnott (17 Oct 1960-15 Dec 1966)
16th: John Campbell Arbuthnott (15 Dec 1966-14 Jul 2012)
17th: John Keith Oxley Arbuthnott (14 Jul 2012- )

Baron Inverchapel, of Loch Eck, co. Argyll    [United Kingdom, 1946]
  1st: John Kerr Clark Kerr (5 Apr 1946-5 Jul 1951)

Baron Inverclyde of Castle Wemyss, co. Renfrew    [United Kingdom, 1897]
  1st: John Burns (28 Jul 1897-12 Feb 1901)
  2nd: George Arbuthnot Burns (12 Feb 1901-8 Oct 1905)
  3rd: James Cleland Burns (8 Oct 1905-16 Aug 1919)
  4th: John Alan Burns (16 Aug 1919-17 Jun 1957)

Baron Inverforth, of Southgate, co. Middlesex    [United Kingdom, 1919]
  1st: Andrew Weir (5 Feb 1919-17 Sep 1955)
  2nd: Andrew Alexander Morton Weir (17 Sep 1955-17 Nov 1975)
  3rd: Andrew Charles Roy Weir (17 Nov 1975-6 Jun 1982)
  4th: Andrew Peter Weir (6 Jun 1982- )

Baron Invernairn, of Strathnairn, co. Inverness    [United Kingdom, 1921]
  1st: William Beardmore (15 Jan 1921-9 Apr 1936)

Baron Irnham of Luttrellstown, co. Dublin    [Ireland, 1768]
  1st: Simon Luttrell (13 Oct 1768-14 Jan 1787)
  2nd: Henry Lawes Luttrell (14 Jan 1787-25 Apr 1821)
  3rd: John Luttrell-Olmius (25 Apr 1821-19 Mar 1829)

Baron Ironside, of Archangel and of Ironside, co. Aberdeen    [United Kingdom, 1941]
  1st: William Edmund Ironside (29 Jan 1941-23 Sep 1959)
  2nd: Edmund Oslac Ironside (23 Sep 1959- )

Baron Irwin, of Kirby Underdale, co. York    [United Kingdom, 1925]
  1st: Edward Frederick Lindley Wood (22 Dec 1925-23 Dec 1959)
  2nd: Charles Ingram Courtenay Wood (23 Dec 1959-19 Mar 1980)
  3rd: Charles Edward Peter Neil Wood (19 Mar 1980- )

Lord of the Isles    [Scotland, 1476]
  1st: John Macdonald (10 Jul 1476-1498)

Lord of the Isles    [England, 1594]
  1st: Henry Frederick Stuart (19 Feb 1594-6 Nov 1612)

Baron Islington, of Islington, co. London    [United Kingdom, 1910]
  1st: John Poynder Dickson-Poynder (27 Apr 1910-6 Dec 1936)

Baron Ismay, of Wormington, co. Gloucester    [United Kingdom, 1947]
  1st: Hastings Lionel Ismay (14 Jan 1947-17 Dec 1965)

Baron Iveagh of Iveagh, co. Down    [United Kingdom, 1891]
  1st: Edward Cecil Guinness (19 Jan 1891-7 Oct 1927)
  2nd: Rupert Edward Cecil Lee Guinness (7 Oct 1927-14 Sep 1967)
  3rd: Arthur Francis Benjamin Guinness (14 Sep 1967-c 18 Jun 1992)
  4th: Arthur Edward Rory Guinness (1992- )

Baron Jackson, of Glewstone, co. Hereford    [United Kingdom, 1945]
  1st: William Frederick Jackson (6 Jul 1945-2 May 1954)

Baron James of Hereford, co. Hereford    [United Kingdom, 1895]
  1st: Henry James (5 Aug 1895-18 Aug 1911)

Baron of James-Towne, co. Longford    [Ireland, 1689]
  1st: George Hewett (9 Apr 1689-2 Dec 1689)

Lord Jedburgh    [Scotland, 1622]
  1st: Andrew Kerr (2 Feb 1622-a 20 Apr 1633)
  2nd: Alexander Kerr (a 20 Apr 1633-c 1650)
  3rd: John Kerr (c 1650-fr 1669-1670)
  4th: Robert Kerr (b 1670-4 Aug 1692)
  5th: William Kerr (4 Aug 1692-28 Feb 1722)
  6th: William Kerr (28 Feb 1722-28 Jul 1767)
  7th: William Henry Kerr (28 Jul 1767-12 Apr 1775)
  8th: William John Kerr (12 Apr 1775-4 Jan 1815)
  9th: William Kerr (4 Jan 1815-27 Apr 1824)
10th: John William Robert Kerr (27 Apr 1824-14 Nov 1841)
11th: William Schomberg Robert Kerr (14 Nov 1841-4 Jul 1870)
12th: Schomberg Henry Kerr (6 Jul 1870-17 Jan 1900)
13th: Robert Henry Schomberg Kerr (17 Jan 1900-16 Mar 1930)
14th: Philip Henry Kerr (16 Mar 1930-12 Dec 1940)
15th: Peter Francis Walter Kerr (12 Dec 1940-11 Oct 2004)
16th: Michael Andrew Foster Jude Kerr (11 Oct 2004- )

Baron Jeffreys, of Burkham, co. Southampton    [United Kingdom, 1952]
  1st: George Darell Jeffreys (12 Jul 1952-19 Dec 1960)
  2nd: Mark George Christopher Jeffreys (19 Dec 1960-1986)
  3rd: Christopher Henry Mark Jeffreys (12 Feb 1986- )

Baron Jeffreys of Wem, co. Salop.    [England, 1685]
  1st: George Jeffreys (16 May 1685-18 Apr 1689)
  2nd: John Jeffreys (18 Apr 1689-9 May 1703)

Baron Jermyn, of St. Edmundsbury, co. Suffolk    [England, 1643]
  1st: Henry Jermyn (8 Sep 1643-1683)
  2nd: Thomas Jermyn (1683-1703)

Baron Jessel, of Westminster, co. London    [United Kingdom, 1924]
  1st: Herbert Merton Jessel (8 Jan 1924-1 Nov 1950)
  2nd: Edward Herbert Jessel (1 Nov 1950-13 Jun 1990)

Lord Johnston of Lochwood    [Scotland, 1633]
  1st: James Johnstone (20 Jun 1633-Apr 1653)
  2nd: James Johnstone (1 Oct 1653-17 Jul 1672)

Lord Johnston of Lochwood, Lochmaben, Moffatdale and Evandale    [Scotland, 1661]
  1st: James Johnstone (13 Feb 1661-17 Jul 1672)

Lord Johnston of Lochwood, Lochmaben, Moffatdale and Evandale    [Scotland, 1662]
  1st: James Johnstone (23 Apr 1662-17 Jul 1672)
  2nd: William Johnstone (17 Jul 1672-14 Jan 1721)
  3rd: James Johnstone (14 Jan 1721-10 Feb 1730)
  4th: George van den Bempdé-Johnstone (10 Feb 1730-29 Apr 1792)

Lord Johnston of Lochwood, Lochmaben, Moffatdale and Evandale    [Scotland, 1701]
  1st: William Johnstone (24 Jun 1701-14 Jan 1721)
  2nd: James Johnstone (14 Jan 1721-10 Feb 1730)
  3rd: George van den Bempdé-Johnstone (10 Feb 1730-29 Apr 1792)

Lord Johnston of Lochwood, Moffatdale and Evandale    [Scotland, 1643]
  1st: James Johnstone (18 Mar 1643-Apr 1653)
  2nd: James Johnstone (1 Oct 1653-17 Jul 1672)

Lord Johnstone    [Scotland, 1662]
  5th: James Hope Johnstone (29 Apr 1792-29 May 1817)
  6th: Anne Hope Johnstone (29 May 1816-28 Aug 1818)
  7th: John James Hope Johnstone (28 Aug 1818-11 Jul 1876)
  8th: John James Hope Johnstone (11 Jul 1876-26 Dec 1912)
  9th: Evelyn Wentworth Hope Johnstone (26 Dec 1912-26 Oct 1964)
10th: Percy Wentworth Hope Johnstone (26 Oct 1964-5 Apr 1983)
11th: Patrick Andrew Wentworth Hope Johnstone (1985- )

Baron Joicey, of Chester-le-Street, co. Durham    [United Kingdom, 1906]
  1st: James Joicey (13 Jan 1906-21 Nov 1936)
  2nd: James Arthur Joicey (21 Nov 1936-24 Jul 1940)
  3rd: Hugh Edward Joicey (24 Jul 1940-14 Oct 1966)
  4th: Michael Edward Joicey (14 Oct 1966-1993)
  5th: James Michael Joicey (1993- )

Baron Jones of Navan, co. Neath    [Ireland, 1628]
  1st: Roger Jones (25 Aug 1628-1643)
  2nd: Arthur Jones (1643-7 Jan 1670)
  3rd: Richard Jones (7 Jan 1670-5 Jan 1712)
  4th: Charles Wilkinson Jones (16 Oct 1759-20 Apr 1797)
  5th: Charles Jones (20 Apr 1797-20 Dec 1800)
  6th: Thomas Jones (20 Dec 1800-4 Jul 1820)
  7th: Thomas Heron Jones (4 Jul 1820-13 Nov 1885)

Baron Jowitt    [United Kingdom, 1945]
  1st: William Allen Jowitt (2 Aug 1945-16 Aug 1957)

Baron Keane, of Ghuznee in Afghanistan and Cappoquin, co. Waterford    [United Kingdom, 1839]
  1st: John Keane (23 Dec 1839-26 Aug 1844)
  2nd: Edward Arthur Wellington Keane (26 Aug 1844-25 Jul 1882)
  3rd: John Manly Arbuthnot Keane (25 Jul 1882-27 Nov 1901)

Lord Keith    [Scotland, 1451]
  1st: William Keith (b Jul 1451-fr 1482-1483)
  2nd: William Keith (b 1483-fr 1526-1527)
  3rd: William Keith (c 1527-7 Oct 1581)
  4th: George Keith (7 Oct 1581-2 Apr 1623)
  5th: William Keith (2 Apr 1623-28 Oct 1635)
  6th: William Keith (28 Oct 1635-Mar 1671)
  7th: George Keith (Mar 1671-Mar 1694)
  8th: William Keith (1694-27 May 1712)
  9th: George Keith (1712-23 May 1778)

Lord Keith    [Scotland, 1677]
11th: Ethel Sydney Keith-Falconer (3 Mar 1930-21 Sep 1974)

Baron Keith, of Banheath, co. Dumbarton    [United Kingdom, 1803]
  1st: George Keith Elphinstone (17 Sep 1803-10 Mar 1823)
  2nd: Margaret Mercer Elphinstone (10 Mar 1823-11 Nov 1867)

Baron Keith, of Stonehaven Marischal    [Ireland, 1797]
  1st: George Keith Elphinstone (16 Mar 1797-10 Mar 1823)
  2nd: Margaret Mercer Elphinstone (10 Mar 1823-11 Nov 1867)

Baron Keith, of Stonehaven Marischal, co. Kincardine    [United Kingdom, 1801]
  1st: George Keith Elphinstone (15 Dec 1801-10 Mar 1823)

Lord Keith of Inverurie and Keith Hall    [Scotland, 1677]
  1st: John Keith (26 Jun 1677-12 Apr 1715)
  2nd: William Keith (12 Apr 1715-5 Dec 1718)
  3rd: John Keith (5 Dec 1718-22 Nov 1758)
  4th: William Keith (22 Nov 1758-22 Nov 1761)
  5th: Anthony Adrian Keith-Falconer (23 May 1778-30 Aug 1804)
  6th: William Keith-Falconer (30 Aug 1804-1812)
  7th: Anthony Adrian Keith-Falconer (1812-11 Jul 1844)
  8th: Francis Alexander Keith-Falconer (11 Jul 1844-18 Jul 1880)
  9th: Algernon Hawkins Thomond Keith-Falconer (18 Jul 1880-3 Mar 1930)
10th: Arthur George Keith-Falconer (3 Mar 1930-25 May 1966)
12th: James Ian Keith (21 Sep 1974-1989)
13th: Michael Canning William John Keith (1989-30 Oct 2004)
14th: James William Falconer Keith (30 Oct 2004- )

Baron Kelhead, of Kelhead, co. Dumfries    [United Kingdom, 1893]
  1st: Francis Archibald Douglas (22 Jun 1893-19 Oct 1894)

Baron Kelvin, of Largs    [United Kingdom, 1892]
  1st: William Thomson (23 Feb 1892-17 Dec 1907)

Baron Kemsley, of Farnham Royal, co. Buckingham    [United Kingdom, 1936]
  1st: James Gomer Berry (3 Feb 1936-6 Feb 1968)
  2nd: Geoffrey Lionel Berry (6 Feb 1968-28 Feb 1999)
  3rd: Richard Gomer Berry Berry (28 Feb 1999- )

Baron Kenilworth, of Kenilworth, co. Warwick    [United Kingdom, 1937]
  1st: John Davenport Siddeley (10 Jun 1937-3 Nov 1953)
  1st: Cyril Davenport Siddeley (3 Nov 1953-11 Aug 1971)
  4th: John Randle Siddeley (1981- )

Baron Kenlis of Kenlis, co. Meath    [United Kingdom, 1831]
  1st: Thomas Taylour (10 Sep 1831-6 Dec 1870)
  2nd: Thomas Taylour (6 Dec 1870-22 Jul 1894)
  3rd: Geoffrey Thomas Taylour (22 Jul 1894-29 Jan 1943)
  4th: Terence Geoffrey Thomas Taylour (29 Jan 1943-24 Oct 1960)
  5th: Thomas Geoffrey Charles Michael Taylour (24 Oct 1960-21 Oct 2005)
  6th: Thomas Michael Ronald Christopher Taylour (21 Oct 2005- )

Baron Kenmare of Castlerosse, co. Kerry    [United Kingdom, 1841]
  1st: Valentine Browne (17 Mar 1841-31 Oct 1853)

Baron Kenmare of Killarney, co. Kerry    [United Kingdom, 1856]
  1st: Thomas Browne (12 Mar 1856-26 Dec 1871)
  2nd: Valentine Augustus Browne (26 Dec 1871-9 Feb 1905)
  3rd: Valentine Charles Browne (9 Feb 1905-14 Nov 1941)
  4th: Valentine Edward Charles Browne (14 Nov 1941-20 Sep 1943)
  5th: Gerald Ralph Desmond Browne (20 Sep 1943-14 Feb 1952)

Lord Kennedy    [Scotland, 1458]
  1st: Gilbert Kennedy (fr 1457-1458-a 6 Mar 1479)
  2nd: John Kennedy (c 1480-bt 1508-1509)
  3rd: David Kennedy (bt 1508-1509-9 Sep 1513)
  4th: Gilbert Kennedy (9 Sep 1513-bt 1527-1527)
  5th: Gilbert Kennedy (Aug 1527-28 Nov 1558)
  6th: Gilbert Kennedy (28 Nov 1558-14 Dec 1576)
  7th: John Kennedy (14 Dec 1576-Oct 1615)
  8th: John Kennedy (25 Jul 1616-Apr 1668)
  9th: John Kennedy (22 Sep 1668-23 Jul 1701)
10th: John Kennedy (23 Jul 1701-7 Aug 1759)
11th: Thomas Kennedy (27 Jan 1762-30 Nov 1775)
12th: David Kennedy (30 Nov 1775-18 Dec 1792)
13th: Archibald Kennedy (18 Dec 1792-30 Dec 1794)
14th: Archibald Kennedy (30 Dec 1794-8 Sep 1846)
15th: Archibald Kennedy (8 Sep 1846-20 Mar 1870)
16th: Archibald Kennedy (20 Mar 1870-9 Apr 1938)
17th: Archibald Kennedy (9 Apr 1938-27 Feb 1943)
18th: Charles Kennedy (27 Feb 1943-1 Jun 1956)
19th: Angus Kennedy (1 Jun 1956-31 May 1957)
20th: Archibald David Kennedy (31 May 1957-7 Apr 1994)
21st: Archibald Angus Charles Kennedy (7 Apr 1994- )

Baron Kennet, of the Dene, co. Wilts    [United Kingdom, 1935]
  1st: Edward Hilton Young (15 Jul 1935-11 Jul 1960)
  2nd: Wayland Hilton Young (11 Jul 1960-7 May 2009)
  3rd: William Aldus Thoby Young (7 May 2009- )

Baron Kenry, co. Limerick    [United Kingdom, 1866]
  1st: Edwin Richard Wyndham-Quin (16 Jun 1866-6 Oct 1871)
  2nd: Windham Thomas Wyndham-Quin (6 Oct 1871-14 Jun 1926)

Baron Kensington    [Ireland, 1776]
  1st: William Edwardes (28 Jul 1776-13 Dec 1801)
  2nd: William Edwardes (13 Dec 1801-10 Aug 1852)
  3rd: William Edwardes (10 Aug 1852-1 Jan 1872)
  4th: William Edwardes (1 Jan 1872-7 Oct 1896)
  5th: William Edwardes (7 Oct 1896-24 Jun 1900)
  6th: Hugh Edwardes (24 Jun 1900-3 Mar 1938)
  7th: William Edwardes (4 Mar 1938-1981)
  8th: Hugh Ivor Edwardes (29 Jun 1937- )

Baron Kensington of Kensington, co. Middlesex    [United Kingdom, 1886]
  1st: William Edwardes (23 Mar 1886-7 Oct 1896)
  2nd: William Edwardes (7 Oct 1896-24 Jun 1900)
  3rd: Hugh Edwardes (24 Jun 1900-3 Mar 1938)
  4th: William Edwardes (4 Mar 1938-1981)
  5th: Hugh Ivor Edwardes (29 Jun 1937- )

Baron Kenswood, of St. Marylebone, co. London    [United Kingdom, 1951]
  1st: Ernest Albert Whitfield (27 Jun 1951-21 Apr 1963)
  2nd: John Michael Howard Whitfield (21 Apr 1963- )

Baron Kenyon, Baron of Gredington, co. Flint    [Great Britain, 1788]
  1st: Lloyd Kenyon (9 Jun 1788-1802)
  2nd: George Kenyon (4 Apr 1802-25 Feb 1855)
  3rd: Lloyd Kenyon (25 Feb 1855-14 Jul 1869)
  4th: Lloyd Tyrell-Kenyon (14 Jul 1869-30 Nov 1927)
  5th: Lloyd Tyrell-Kenyon (30 Nov 1927-1993)
  6th: Lloyd Tyrell-Kenyon (1993- )

Baron Ker of Kersheugh, co. Roxburgh    [United Kingdom, 1821]
  1st: William Kerr (17 Jul 1821-27 Apr 1824)
  2nd: John William Robert Kerr (27 Apr 1824-14 Nov 1841)
  3rd: William Schomberg Robert Kerr (14 Nov 1841-4 Jul 1870)
  4th: Schomberg Henry Kerr (6 Jul 1870-17 Jan 1900)
  5th: Robert Henry Schomberg Kerr (17 Jan 1900-16 Mar 1930)
  6th: Philip Henry Kerr (16 Mar 1930-12 Dec 1940)
  7th: Peter Francis Walter Kerr (12 Dec 1940-11 Oct 2004)
  8th: Michael Andrew Foster Jude Kerr (11 Oct 2004- )

Lord Ker of Newbattle    [Scotland, 1631]
  1st: William Kerr (31 Oct 1631-Oct 1675)
  2nd: Robert Kerr (Oct 1675-15 Feb 1703)
  3rd: William Kerr (15 Feb 1703-28 Feb 1722)
  4th: William Kerr (28 Feb 1722-28 Jul 1767)
  5th: William Henry Kerr (28 Jul 1767-12 Apr 1775)
  6th: William John Kerr (12 Apr 1775-4 Jan 1815)
  7th: William Kerr (4 Jan 1815-27 Apr 1824)
  8th: John William Robert Kerr (27 Apr 1824-14 Nov 1841)
  9th: William Schomberg Robert Kerr (14 Nov 1841-4 Jul 1870)
10th: Schomberg Henry Kerr (6 Jul 1870-17 Jan 1900)
11th: Robert Henry Schomberg Kerr (17 Jan 1900-16 Mar 1930)
12th: Philip Henry Kerr (16 Mar 1930-12 Dec 1940)
13th: Peter Francis Walter Kerr (12 Dec 1940-11 Oct 2004)
14th: Michael Andrew Foster Jude Kerr (11 Oct 2004- )

Lord Ker of Newbottle, Oxnam, Jedburgh, Dolphinstoun and Nisbet    [Scotland, 1701]
  1st: Robert Kerr (23 Jun 1701-15 Feb 1703)
  2nd: William Kerr (15 Feb 1703-28 Feb 1722)
  3rd: William Kerr (28 Feb 1722-28 Jul 1767)
  4th: William Henry Kerr (28 Jul 1767-12 Apr 1775)
  5th: William John Kerr (12 Apr 1775-4 Jan 1815)
  6th: William Kerr (4 Jan 1815-27 Apr 1824)
  7th: John William Robert Kerr (27 Apr 1824-14 Nov 1841)
  8th: William Schomberg Robert Kerr (14 Nov 1841-4 Jul 1870)
  9th: Schomberg Henry Kerr (6 Jul 1870-17 Jan 1900)
10th: Robert Henry Schomberg Kerr (17 Jan 1900-16 Mar 1930)
11th: Philip Henry Kerr (16 Mar 1930-12 Dec 1940)
12th: Peter Francis Walter Kerr (12 Dec 1940-11 Oct 2004)
13th: Michael Andrew Foster Jude Kerr (11 Oct 2004- )

Lord Kerr of Nisbet, Langnewton and Dolphinstoun    [Scotland, 1633]
  1st: Robert Kerr (24 Jun 1633-a 9 Dec 1654)
  2nd: Charles Kerr (c 9 Dec 1654-bt 1690-1690)
  3rd: Robert Kerr (11 Sep 1690-15 Feb 1703)

Lord Kerr of Nisbet, Langnewtoun and Dolphinstoun    [Scotland, 1633]
  4th: William Kerr (15 Feb 1703-28 Feb 1722)
  5th: William Kerr (28 Feb 1722-28 Jul 1767)
  6th: William Henry Kerr (28 Jul 1767-12 Apr 1775)
  7th: William John Kerr (12 Apr 1775-4 Jan 1815)
  8th: William Kerr (4 Jan 1815-27 Apr 1824)
  9th: John William Robert Kerr (27 Apr 1824-14 Nov 1841)
10th: William Schomberg Robert Kerr (14 Nov 1841-4 Jul 1870)
11th: Schomberg Henry Kerr (6 Jul 1870-17 Jan 1900)
12th: Robert Henry Schomberg Kerr (17 Jan 1900-16 Mar 1930)
13th: Philip Henry Kerr (16 Mar 1930-12 Dec 1940)
14th: Peter Francis Walter Kerr (12 Dec 1940-11 Oct 2004)
15th: Michael Andrew Foster Jude Kerr (11 Oct 2004- )

Baron of Kerry and Lixnaw    [Ireland, 1295]
  1st: Maurice Thomas (c 1295-a 14 Apr 1305)
  2nd: Nicholas Maurice (1305-1317)
  3rd: Maurice Nicholas (1317-Oct 1339)
  4th: John Nicholas (Oct 1339-c 1378)
  5th: Maurice John (c 1378-c 1398)
  6th: Patrick Maurice (c 1398- )
  7th: Thomas FitzMaurice ( -1469)
  8th: Edmond FitzMaurice (1469-1510)
  9th: Edmond FitzMaurice (1510-Nov 1541)
10th: Patrick FitzMaurice (Nov 1541-c 1542)
11th: Edmond FitzMaurice (c 1542-c 1543)
12th: Thomas FitzMaurice (c 1543-c 1543)
13th: Gerald FitzMaurice (c 1543-1543)
14th: Thomas FitzMaurice (c Jul 1550-16 Dec 1590)
15th: Patrick FitzMaurice (16 Dec 1590-12 Aug 1600)
16th: Thomas FitzMaurice (12 Aug 1600-3 Jun 1630)
17th: Patrick FitzMaurice (3 Jun 1630-c Jan 1661)
18th: William FitzMaurice (c Jan 1661-Mar 1697)
19th: Thomas FitzMaurice (Mar 1697-16 Mar 1741)
20th: William FitzMaurice (16 Mar 1741-4 Apr 1747)
21st: Francis Thomas FitzMaurice (4 Apr 1747-4 Jul 1818)
22nd: Henry Petty-FitzMaurice (4 Jul 1818-31 Jan 1863)
23rd: Henry Petty-FitzMaurice (31 Jan 1863-5 Jul 1866)
24th: Henry Charles Keith Petty-FitzMaurice (5 Jul 1866-3 Jun 1927)
25th: Henry William Edmund Petty-FitzMaurice (3 Jun 1927-5 Mar 1936)
25th: Charles Hope Petty-FitzMaurice (5 Mar 1936-20 Aug 1944)
27th: George John Charles Mercer Nairne Petty-FitzMaurice (20 Aug 1944-25 Aug 1999)
28th: Charles Maurice Petty-FitzMaurice (25 Aug 1999- )

Baron Kershaw, of Prestwich, co. Palatine of Lancaster    [United Kingdom, 1947]
  1st: Fred Kershaw (20 Jan 1947-5 Feb 1961)
  2nd: Herbert Kershaw (5 Feb 1961-18 Jul 1961)
  3rd: Edward Aubrey Kershaw (18 Jul 1961-22 Feb 1962)
  4th: Edward John Kershaw (22 Feb 1962- )

Baron Kesteven, of Casewick, co. Lincoln    [United Kingdom, 1868]
  1st: John Trollope (15 Apr 1868-17 Dec 1874)
  2nd: John Henry Trollope (17 Dec 1874-23 Jul 1915)
  3rd: Thomas Carew Trollope (23 Jul 1915-5 Nov 1915)

Baron Keyes, of Zeebrugge and of Dover, Kent    [United Kingdom, 1943]
  1st: Roger John Brownlow Keyes (22 Jan 1943-26 Dec 1945)
  2nd: Roger George Bowlby Keyes (26 Dec 1945-4 Mar 2005)
  3rd: Charles William Packe Keyes (4 Mar 2005- )

Baron Keynes, of Tilton, co. Sussex    [United Kingdom, 1942]
  1st: John Maynard Keynes (14 Jul 1942-21 Apr 1946)

Lord Kilbirny and Drumry    [Scotland, 1703]
  1st: John Lindsay-Crawford (26 Nov 1703-24 Dec 1708)
  2nd: Patrick Lindsay-Crawford (24 Dec 1708-24 May 1735)
  3rd: John Lindsay-Crawford (24 May 1735-22 Sep 1739)
  4th: George Lindsay-Crawford (22 Sep 1739-11 Aug 1781)
  5th: George Lindsay-Crawford (11 Aug 1781-30 Jan 1808)
  6th: David Lindsay (30 Jan 1808-c May 1809)
  7th: Patrick Lindsay (May 1809-14 Mar 1839)
  8th: Henry Bethune (14 Mar 1839-19 Feb 1851)
  9th: John Trotter Bethune (19 Feb 1851-12 May 1894)
10th: David Clarke Bethune (12 May 1894-20 Mar 1917)
11th: Reginald Lindesay-Bethune (20 Mar 1917-14 Jan 1939)
12th: Archibald Lionel Bethune (14 Jan 1939-15 Oct 1943)
13th: William Tucker Lindesay-Bethune (15 Oct 1943-1985)
14th: David Lindesay-Bethune (1985-1989)
15th: James Randolph Lindesay-Bethune (1989- )

Lord Kilbirny, Kingsburn and Drumry    [Scotland, 1703]
  1st: John Lindsay-Crawford (10 Apr 1703-24 Dec 1708)

Baron Kilbracken, of Killegar, co. Leitrim    [United Kingdom, 1909]
  1st: John Arthur Godley (8 Dec 1909-27 Jun 1932)
  2nd: Hugh John Godley (27 Jun 1932-13 Oct 1950)
  3rd: John Raymond Godley (13 Oct 1950-14 Aug 2006)
  4th: Christopher John Godley (14 Aug 2006- )

Baron Kilconnel of Garbally, co. Galway    [Ireland, 1797]
  1st: William Power Keating Trench (25 Nov 1797-27 Apr 1805)
  2nd: Richard Le Poer Trench (27 Apr 1805-24 Nov 1837)
  3rd: William Thomas Le Poer Trench (24 Nov 1837-26 Apr 1872)
  4th: Richard Somerset Le Poer Trench (26 Apr 1872-29 May 1891)
  5th: William Frederick Le Poer Trench (29 May 1891-16 Feb 1929)
  6th: Richard Frederick John Donough Le Poer Trench (16 Feb 1929-5 Jun 1971)
  7th: Greville Sydney Rochfort Le Poer Trench (5 Jun 1971-15 Sep 1975)
  8th: William Francis Brinsley Le Poer Trench (15 Sep 1975-18 May 1995)
  9th: Nicholas Power Richard Le Poer Trench (18 May 1995- )

Baron Kilcullen, co. Kildare    [Ireland, 1535]
  1st: Thomas Eustace (Sep 1535-31 Jul 1549)
  2nd: Rowland Eustace (31 Jul 1549-31 Mar 1578)
  3rd: James Eustace (31 Mar 1578-25 Nov 1585)

Baron Kildare of Kildare, co. Kildare    [United Kingdom, 1870]
  1st: Charles William FitzGerald (3 May 1870-10 Feb 1887)
  2nd: Gerald FitzGerald (10 Feb 1887-1 Dec 1893)
  3rd: Maurice FitzGerald (1 Dec 1893-4 Feb 1922)
  4th: Edward FitzGerald (4 Feb 1922-8 Mar 1976)
  5th: Gerald FitzGerald (8 Mar 1976-3 Dec 2004)
  6th: Maurice FitzGerald (3 Dec 2004- )

Baron Killanin, of Galway, co. Galway    [United Kingdom, 1900]
  1st: Michael Morris (15 Jun 1900-8 Sep 1901)
  2nd: Martin Henry FitzPatrick Morris (8 Sep 1901-11 Aug 1927)
  3rd: Michael Morris (11 Aug 1927-25 Apr 1999)
  4th: George Redmond FitzPatrick Morris (25 Apr 1999- )

Baron of Killard, co. Clare    [Ireland, 1727]
  1st: John Monckton (17 Jul 1727-15 Jul 1751)
  3rd: Henry William Monckton-Arundell (1772-2 Mar 1774)
  4th: Robert Monckton-Arundell (2 Mar 1774-23 Jul 1810)
  5th: William George Monckton (23 Jul 1810-2 Feb 1834)
  6th: George Edward Arundell Monckton-Arundell (2 Feb 1834-6 Feb 1876)
  7th: George Edward Milnes Monckton-Arundell (6 Feb 1876-7 Mar 1931)
  8th: George Vere Arundell Monckton-Arundell (7 Mar 1931-27 Mar 1943)
  9th: Simon George Robert Monckton-Arundell (27 Mar 1943-1 Jan 1971)
10th: William Arundell Monckton-Arundell (1 Jan 1971-15 Aug 1977)
11th: Edmund Savile Monckton-Arundell (15 Aug 1977-1980)
12th: George Rupert Monckton (1980- )

Baron Killarney    [United Kingdom, 1920]
  1st: George VI Windsor (3 Jun 1920-6 Feb 1952)

Baron Killearn, of Killearn, Stirling    [United Kingdom, 1943]
  1st: Miles Wedderburn Lampson (17 May 1943-18 Sep 1964)
  2nd: Graham Curtis Lampson (18 Sep 1964-27 Jul 1996)
  3rd: Victor Miles George Aldous Lampson (27 Jul 1996- )

Lord Killeen    [Ireland, 1449]
  1st: Christopher Plunket (c 1449-b 5 Jan 1463)
  2nd: Christopher Plunket (1463-b 1470)
  3rd: Edmond Plunket (b 1470-18 Aug 1510)
  8th: James Plunkett ( -13 Jan 1595)
  9th: Christopher Plunkett

Baron Killyleagh    [United Kingdom, 1986]
  1st: Andrew Albert Christian Edward Mountbatten-Windsor (23 Jul 1986- )

Baron Kilmaine, of the Neale, co. Mayo    [Ireland, 1789]
  1st: John Browne (21 Sep 1789-7 Jun 1794)
  2nd: James Caulfeild Browne (7 Jun 1794-23 May 1825)
  3rd: John Cavendish Browne (23 May 1825-13 Jan 1873)
  4th: Francis William Browne (13 Jan 1873-9 Nov 1907)
  5th: John Edward Deane Browne (9 Nov 1907-27 Aug 1946)
  6th: John Francis Archibald Browne (27 Aug 1946-26 Jul 1978)
  7th: John David Henry Browne (26 Jul 1978-12 Jan 2013)
  8th: John Francis Sandford Browne (12 Jan 2013- )

Baron Kilmarnock, of Kilmarnock, co. Ayr    [United Kingdom, 1831]
  1st: William George Hay (17 Jun 1831-19 Apr 1846)
  2nd: William Harry Hay (19 Apr 1846-3 Dec 1891)
  3rd: Charles Gore Hay (3 Dec 1891-8 Jul 1927)
  4th: Victor Alexander Sereld Hay (8 Jul 1927-20 Feb 1928)
  5th: Josslyn Victor Hay (20 Feb 1928-24 Jan 1941)
  6th: Gilbert Allan Rowland Boyd (24 Jan 1941-15 May 1975)
  7th: Alastair Ivor Gilbert Boyd (15 May 1975-19 Mar 2009)
  8th: Robin Jordan Boyd (19 Mar 2009- )

Lord Kilmaurs    [Scotland, 1464]
  1st: Alexander Cuninghame (fr 1463-1464-11 Jun 1488)
  2nd: Robert Cuninghame (Jun 1488-c 1490)
  3rd: Cuthbert Cuninghame (c 1490-fr 1540-1541)
  4th: William Cuninghame (c 1541-Mar 1548)
  5th: Alexander Cuninghame (Mar 1548-23 Dec 1574)
  6th: William Cuninghame (23 Dec 1574-fr 1576-1580)
  7th: James Cuninghame (Feb 1580-a Mar 1630)
  8th: William Cuninghame (c Mar 1630-Oct 1631)
  9th: William Cuninghame (Oct 1631-27 Jan 1665)
10th: Alexander Cuninghame (30 May 1664-26 May 1670)
11th: John Cuninghame (26 May 1670-14 Dec 1703)
12th: William Cuninghame (14 Dec 1703-14 Mar 1734)
13th: William Cuninghame (14 Mar 1734-9 Sep 1775)
14th: James Cuninghame (9 Sep 1775-30 Jan 1791)
15th: John Cuninghame (30 Jan 1791-24 Sep 1796)

Baron Kilmayden, co. Waterford    [Ireland, 1703]
  1st: Arthur St. Leger (23 Jun 1703-7 Jul 1727)
  2nd: Arthur St. Leger (7 Jul 1727-13 Mar 1734)
  3rd: Arthur Mohun St. Leger (13 Mar 1734-Aug 1750)
  4th: Hayes St. Leger (Aug 1750-25 Apr 1767)

Baron Kiltarton of Gort, co. Galway    [Ireland, 1810]
  1st: John Smyth (15 May 1810-23 May 1817)
  2nd: Charles Vereker (23 May 1817-11 Nov 1842)
  3rd: John Prendergast Vereker (11 Nov 1842-20 Oct 1865)
  4th: Standish Prendergast Vereker (20 Oct 1865-9 Jan 1900)
  5th: John Gage Prendergast Vereker (9 Jan 1900-15 Aug 1902)
  6th: John Standish Surtees Prendergast Vereker (15 Aug 1902-31 Mar 1946)
  7th: Standish Robert Gage Vereker (31 Mar 1946-1975)
  8th: Colin Leopold Prendergast Vereker (1975-6 Apr 1995)
  9th: Foley Robert Standish Prendergast Vereker (6 Apr 1995- )

Baron Kilworth, of Moore Park, co. Cork    [Ireland, 1764]
  1st: Stephen Moore (14 Jul 1764-1766)
  2nd: Stephen Moore (1766-14 May 1790)
  3rd: Stephen Moore (14 May 1790-27 Oct 1822)
  4th: Stephen Moore (Oct 1822-10 Oct 1883)
  5th: Stephen Moore (10 Oct 1883-9 Nov 1889)
  6th: Charles William More (9 Nov 1889-20 Feb 1898)
  7th: Edward George Augustus Harcourt Moore (20 Feb 1898-1 Apr 1915)

Baron Kimbolton of Kimbolton, co. Huntingdon    [England, 1620]
  1st: Henry Montagu (19 Dec 1620-7 Nov 1642)
  2nd: Edward Montagu (22 May 1626-5 May 1671)
  3rd: Robert Montagu (5 May 1671-14 Mar 1682)
  4th: Charles Montagu (14 Mar 1683-20 Jan 1722)
  5th: William Montagu (20 Jan 1722-21 Oct 1739)
  6th: Robert Montagu (21 Oct 1739-10 May 1762)
  7th: George Montagu (10 May 1762-2 Sep 1788)
  8th: William Montagu (2 Sep 1788-18 Mar 1843)
  9th: George Montagu (18 Mar 1843-18 Aug 1855)
10th: William Drogo Montagu (18 Aug 1855-22 Mar 1890)
11th: George Victor Drogo Montagu (22 Mar 1890-18 Aug 1892)
12th: William Angus Drogo Montagu (18 Aug 1892-9 Feb 1947)
13th: Alexander George Francis Drogo Montagu (9 Feb 1947-23 Nov 1977)
14th: Sidney Arthur Robin George Drogo Montagu (23 Nov 1977-1985)
15th: Angus Charles Drogo Montagu (1985-25 Jul 2002)
16th: Alexander Charles David Drogo Montagu (25 Jul 2002- )

Lord Kincleven    [Scotland, 1607]
  1st: John Stewart (10 Aug 1607-fr 1643-1646)

Baron Kindersley, of West Hoathly, co. Sussex    [United Kingdom, 1941]
  1st: Robert Molesworth Kindersley (28 Jan 1941-20 Jul 1954)
  2nd: Hugh Kenyon Molesworth Kindersley (20 Jul 1954-6 Oct 1976)
  3rd: Robert Hugh Molesworth Kindersley (6 Oct 1976-9 Oct 2013)
  4th: Rupert John Molesworth Kindersley (9 Oct 2013- )

Lord King, Baron of Ockham, co. Surrey    [Great Britain, 1725]
  1st: Peter King (29 May 1725-22 Jul 1734)
  2nd: John King (22 Jul 1734-10 Feb 1740)
  3rd: Peter King (10 Feb 1740-22 Mar 1754)
  4th: William King (22 Mar 1754-16 Apr 1767)
  6th: Peter King (4 Apr 1779-23 Nov 1793)
  7th: Peter King (23 Nov 1793-4 Jun 1833)
  8th: William King-Noel (4 Jun 1833-29 Dec 1893)
  9th: Ralph Gordon Noel King-Milbanke (29 Dec 1893-28 Aug 1906)
10th: Lionel Fortescue King (28 Aug 1906-5 Oct 1929)
11th: Peter Malcolm King (5 Oct 1929-4 Dec 1964)
12th: Peter Axel William Locke King (4 Dec 1964- )

Lord Kingsale    [Ireland, 1340]
13th: Patrick Courcy (c 1642-1663)
14th: John Courcy (1663-19 May 1667)
15th: Patrick Courcy (1667-1669)
16th: Almericus Courcy (1669-9 Feb 1720)
17th: Gerald Courcy (9 Feb 1720-1 Dec 1759)
18th: John Courcy (1 Feb 1762-3 Mar 1776)
19th: John Courcy (3 Mar 1776-24 May 1822)
20th: Thomas Courcy (24 May 1822-25 Jan 1832)
21st: John Stapleton Courcy (25 Jan 1832-7 Jan 1847)
22nd: John Constantine Courcy (7 Jan 1847-15 Jun 1865)
23rd: Michael Conrad Courcy (15 Jun 1865-15 Apr 1874)
24th: John Fitzroy Courcy (15 Apr 1874-20 Nov 1890)
25th: Michael William Courcy (20 Nov 1890-16 Nov 1895)
26th: Michael Constantine Courcy (16 Nov 1895-24 Jan 1931)
27th: Michael William Robert Courcy (24 Jan 1931-7 Nov 1969)
28th: John Courcy (7 Nov 1969-15 Sep 2005)
29th: Nevinson Mark Courcy (15 Sep 2005- )

Baron Kingsborough    [Ireland, 1748]
  1st: Robert King (13 Jun 1748-22 May 1755)

Baron Kingsdown, of Kingsdown, co. Kent    [United Kingdom, 1858]
  1st: Thomas Pemberton-Leigh (28 Aug 1858-7 Oct 1867)

Baron Kingston, of Kingston, co. Dublin    [Ireland, 1660]
  1st: John King (4 Sep 1660-1676)
  2nd: Robert King (1676-Dec 1693)
  3rd: John King (Dec 1693-15 Feb 1728)
  4th: James King (15 Feb 1728-26 Dec 1761)

Baron Kingston of Mitchelstown, co. Cork    [United Kingdom, 1821]
  1st: George King (17 Jul 1821-18 Oct 1839)
  2nd: Robert Henry King (18 Oct 1839-21 Jan 1867)
  3rd: James King (21 Jan 1867-8 Sep 1869)

Baron Kingston of Mitchelstown, co. Roscommon    [Ireland, 1800]
  5th: Henry Edwyn King-Tenison (13 Jan 1896-11 Jan 1946)

Baron Kingston of Rockingham, co. Roscommon    [Ireland, 1764]
  1st: Edward King (15 Jul 1764-8 Nov 1797)
  2nd: Robert King (8 Nov 1797-17 Apr 1799)
  3rd: George King (17 Apr 1799-18 Oct 1839)
  4th: Robert Henry King (18 Oct 1839-21 Jan 1867)
  5th: James King (21 Jan 1867-8 Sep 1869)
  6th: Robert King (8 Sep 1869-16 Oct 1869)
  7th: Robert Edward King (16 Oct 1869-21 Jun 1871)
  8th: Henry Newcomen King-Tenison (21 Jun 1871-13 Jan 1896)
  9th: Henry Edwyn King-Tenison (13 Jan 1896-11 Jan 1946)
10th: Robert Henry Ethelbert King-Tenison (11 Jan 1946-17 Jul 1948)
11th: Barclay Robert Edwin King-Tenison (17 Jul 1948-19 Mar 2002)
12th: Robert Charles Henry King-Tenison (19 Mar 2002- )

Lord Kinloss    [Scotland, 1602]
  1st: Edward Bruce (2 Feb 1602-14 Jan 1611)
  2nd: Edward Bruce (14 Jan 1611-Aug 1613)
  3rd: Thomas Bruce (Aug 1613-21 Dec 1663)
  4th: Robert Bruce (21 Dec 1663-20 Oct 1685)
  5th: Thomas Bruce (20 Oct 1685-16 Dec 1741)
  6th: Charles Bruce (16 Dec 1741-10 Feb 1747)
  7th: James Brydges (10 Feb 1747-29 Sep 1789)
  8th: Anne Elizabeth Brydes (29 Sep 1789-15 May 1836)
  9th: Richard Plantagenet Temple-Nugent-Brydges-Chandos-Grenville (15 May 1836-29 Jul 1861)
10th: Richard Plantagenet Campbell Temple-Nugent-Brydges-Chandos-Grenville (21 Jul 1868-26 Mar 1889)
11th: Mary Temple-Nugent-Brydges-Chandos-Grenville (26 Mar 1889-17 Oct 1944)
12th: Beatrice Mary Grenville Morgan-Grenville (17 Oct 1944-30 Sep 2012)
13th: Teresa Mary Nugent Grenville Freeman-Grenville (30 Sep 2012- )

Baron Kinnaird of Rossie, co. Perth    [United Kingdom, 1860]
  1st: George William Fox Kinnaird (1 Sep 1860-7 Jan 1878)
  2nd: Arthur Fitzgerald Kinnaird (7 Jan 1878-26 Apr 1887)

Baron Kinnear, of Spurness, co. Orkney    [United Kingdom, 1897]
  1st: Alexander Smith Kinnear (5 Feb 1897-20 Dec 1917)

Baron Kinross, of Glasclune, co. Haddington    [United Kingdom, 1902]
  1st: John Blair Balfour (15 Jul 1902-22 Jan 1905)
  2nd: Patrick Balfour (22 Jan 1905-28 Jul 1939)
  3rd: John Patrick Douglas Balfour (28 Jul 1939-4 Jun 1976)
  4th: David Andrew Balfour (4 Jun 1976-1985)
  5th: Christopher Patrick Balfour (1985- )

Baron Kintore of Kintore, co. Aberdeen    [United Kingdom, 1838]
  1st: Anthony Adrian Keith-Falconer (5 Jul 1838-11 Jul 1844)
  2nd: Francis Alexander Keith-Falconer (11 Jul 1844-18 Jul 1880)
  3rd: Algernon Hawkins Thomond Keith-Falconer (18 Jul 1880-3 Mar 1930)
  4th: Arthur George Keith-Falconer (3 Mar 1930-25 May 1966)

Lord of Kintyre    [Scotland, 1626]
  1st: James Campbell (22 Feb 1626-Sep 1645)
  2nd: Archibald Campbell (Sep 1645-27 May 1661)
  3rd: Archibald Campbell (16 Oct 1663-30 Jun 1685)
  4th: Archibald Campbell (1689-25 Sep 1703)
  5th: John Campbell (25 Sep 1703-4 Oct 1743)
  6th: Archibald Campbell (4 Oct 1743-15 Apr 1761)
  7th: John Campbell (15 Apr 1761-9 Nov 1770)
  8th: John Campbell (9 Nov 1770-24 May 1806)
  9th: George William Campbell (24 May 1806-22 Oct 1839)
10th: John Douglas Edward Henry Campbell (22 Oct 1839-25 Apr 1847)
11th: George Douglas Campbell (25 Apr 1847-24 Apr 1900)
12th: John George Edward Henry Douglas Sutherland Campbell (24 Apr 1900-2 May 1914)
13th: Niall Diarmid Campbell (2 May 1914-20 Aug 1949)
14th: Ian Douglas Campbell (20 Aug 1949-7 Apr 1973)
15th: Ian Campbell (7 Apr 1973-21 Apr 2001)
16th: Torquhil Ian Campbell (21 Apr 2001- )

Baron Kirkley, of Kirkley, co. Northumberland    [United Kingdom, 1930]
  1st: William Joseph Noble (21 Jan 1930-11 Sep 1935)

Baron Kirkwood, of Bearsden, co. Dunbarton    [United Kingdom, 1951]
  1st: David Kirkwood (22 Dec 1951-16 Apr 1955)
  2nd: David Kirkwood (16 Apr 1955-9 Mar 1970)
  3rd: David Harvie Kirkwood (9 Mar 1970- )

Baron Kitchener, of Khartoum, and of Aspall, Suffolk    [United Kingdom, 1898]
  1st: Horatio Herbert Kitchener (1 Nov 1898-5 Jun 1916)

Baron Knapton, of Queen's Co.    [Ireland, 1750]
  2nd: Thomas Vesey (25 Jul 1761-13 Oct 1804)
  3rd: John Vesey (13 Oct 1804-19 Oct 1855)
  4th: Thomas Vesey (19 Oct 1855-23 Dec 1875)
  5th: John Robert William Vesey (23 Dec 1875-6 Jul 1903)
  6th: Yvo Richard Vesey (6 Jul 1903-16 Aug 1958)
  7th: John Eustace Vesey (16 Aug 1958-13 Oct 1983)
  8th: Thomas Eustace Vesey (13 Oct 1983- )

Baron Knapton, of Queen's County    [Ireland, 1750]
  1st: John Denny Vesey (10 Apr 1750-25 Jul 1761)

Baron Knaresborough, of Kirby Hall, co. York    [United Kingdom, 1905]
  1st: Henry Meysey Meysey-Thompson (26 Dec 1905-3 Mar 1929)

Baron Knightley, of Fawsley, co. Northampton    [United Kingdom, 1892]
  1st: Rainald Knightley (23 Aug 1892-19 Dec 1895)

Baron Knollys, of Caversham, co. Oxford    [United Kingdom, 1902]
  1st: Francis Knollys (21 Jul 1902-15 Aug 1924)
  2nd: Edward George William Tyrwhitt Knollys (15 Aug 1924-3 Dec 1966)
  3rd: David Francis Dudley Knollys (3 Dec 1966- )

Baron Knollys of Greys, co. Oxford    [England, 1603]
  1st: William Knollys (13 May 1603-25 May 1632)
  2nd: Edward Knollys (25 May 1632-b Jun 1645)
  3rd: Nicholas Vaux (b Jun 1645-14 Mar 1674)

Baron Knutsford, of Knutsford, co. Chester    [United Kingdom, 1888]
  1st: Henry Thurstan Holland (23 Feb 1888-29 Jan 1914)
  2nd: Sydney George Holland (29 Jan 1914-27 Jul 1931)
  3rd: Arthur Henry Holland-Hibbert (27 Jul 1931-16 Jan 1935)
  4th: Thurstan Holland-Hibbert (16 Jan 1935-17 Feb 1976)
  5th: Julian Thurstan Holland-Hibbert (17 Feb 1976-1986)
  6th: Michael Holland-Hibbert (1986- )

Baron Kylsant, of Carmarthen, co. Carmarthen and of Amroth, co. Pembroke    [United Kingdom, 1923]
  1st: Owen Cosby Philipps (14 Feb 1923-5 Jun 1937)

Lord Lambart, Baron of Cavan, co. Cavan    [Ireland, 1618]
  1st: Oliver Lambart (17 Feb 1618-bt 1618-1618)
  2nd: Charles Lambart (c Jun 1618-25 Jun 1660)
  3rd: Richard Lambart (25 Jun 1660-b May 1691)
  4th: Charles Lambart (b May 1691-5 Dec 1702)
  5th: Richard Lambart (5 Dec 1702-8 Mar 1741)
  6th: Ford Lambart (10 Mar 1741-29 Sep 1772)
  7th: Richard Lambart (29 Sep 1772-2 Nov 1778)
  8th: Richard Ford William Lambart (2 Nov 1778-21 Nov 1837)
  9th: Frederick John William Lambart (21 Nov 1837-15 Dec 1887)
10th: Frederick Edward Gould Lambart (16 Dec 1887-14 Jul 1900)
11th: Frederick Rudolph Lambart (14 Jul 1900-28 Aug 1946)
12th: Horace Edward Samuel Sneade Lambart (28 Aug 1946-9 Dec 1950)
13th: Michael Edward Oliver Lambart (9 Dec 1950-17 Nov 1988)
14th: Roger Cavan Lambart (17 Nov 1988- )

Baron Lambourne, of Lambourne, co. Essex    [United Kingdom, 1917]
  1st: Amelius Richard Mark Lockwood (19 Jun 1917-26 Dec 1928)

Baron Lambury, of Northfield, co. Warwick    [United Kingdom, 1962]
  1st: Leonard Percy Lord (20 Mar 1962-13 Sep 1967)

Baron Lamington, of Lamington, co. Lanark    [United Kingdom, 1880]
  1st: Alexander Dundas Ross Cochrane-Wishart-Baillie (3 May 1880-15 Feb 1890)
  2nd: Charles Wallace Alexander Napier Cochrane-Baillie (15 Feb 1890-16 Sep 1940)
  3rd: Victor Alexander Brisbane William Cochrane-Baillie (16 Sep 1940-20 Sep 1951)

Baron Lanerton of Lanerton, co. Cumberland    [United Kingdom, 1874]
  1st: Edward Granville George Howard (8 Jan 1874-8 Oct 1880)

Baron Lang of Lambeth, of Lambeth, co. Surrey    [United Kingdom, 1942]
  1st: Cosmo Gordon Lang (2 Apr 1942-5 Dec 1945)

Baron Langford of Summerhill, co. Meath    [Ireland, 1800]
  1st: Clotworthy Rowley (31 Jul 1800-13 Sep 1825)
  2nd: Hercules Langford Rowley (13 Sep 1825-3 Jun 1839)
  3rd: Clotworthy Wellington William Robert Rowley (3 Jun 1839-19 Jul 1854)
  4th: Hercules Edward Rowley (19 Jul 1854-29 Oct 1919)
  5th: John Hercules William Rowley (29 Oct 1919-29 Sep 1922)
  6th: William Chambré Rowley (29 Sep 1922-22 Jan 1931)
  7th: Clotworthy Wellington Thomas Edward Rowley (22 Jan 1931-15 Jul 1952)
  8th: Arthur Langford Sholto Rowley (15 Jul 1952-19 Aug 1953)
  9th: Geoffrey Alexander Rowley-Conwy (19 Aug 1953- )

Baron Latham, of Hendon, co. Middlesex    [United Kingdom, 1942]
  1st: Charles Latham (16 Jan 1942-31 Mar 1970)

Lord Latymer    [England, 1432]
  1st: George Neville (25 Feb 1432-30 Dec 1469)
  2nd: Richard Neville (30 Dec 1469-Dec 1530)
  3rd: John Neville (Dec 1530-2 Mar 1543)
  4th: John Neville (2 Mar 1543-22 Apr 1577)
  5th: Francis Burdett Thomas Coutts-Nevill (11 Feb 1913-8 Jun 1923)
  6th: Hugh Burdett Money-Coutts (8 Jun 1923-23 Nov 1949)
  7th: Thomas Burdett Money-Coutts (23 Nov 1949-24 May 1987)
  8th: Hugo Nevill Money-Coutts (1987-10 Nov 2003)
  9th: Crispin James Alan Nevill Money-Coutts (10 Nov 2003- )

Baron Lauderdale of Thirlestane, co. Berwick    [United Kingdom, 1806]
  1st: James Maitland (22 Feb 1806-15 Sep 1839)
  2nd: James Maitland (15 Sep 1839-22 Aug 1860)
  3rd: Anthony Maitland (22 Aug 1860-22 Mar 1863)

Baron Lavington of Lavington    [Ireland, 1795]
  1st: Ralph Payne (1 Oct 1795-1 Aug 1807)

Baron Lawrence of Kingsgate, of Holland House, Kingsgate, co. Kent    [United Kingdom, 1923]
  1st: Charles Napier Lawrence (23 Jul 1923-17 Dec 1927)

Baron Lawrence of the Punjaub and of Grately, co. Southampton    [United Kingdom, 1869]
  1st: John Laird Mair Lawrence (3 Apr 1869-27 Jun 1879)
  2nd: John Hamilton Lawrence (27 Jun 1879-22 Aug 1913)
  3rd: Alexander Graham Lawrence (22 Aug 1913-24 Jun 1947)
  4th: John Anthony Edward Lawrence (24 Jun 1947-8 Oct 1968)
  5th: David John Downer Lawrence (8 Oct 1968- )

Baron Lawson, of Beamish, co. Durham    [United Kingdom, 1950]
  1st: John James Lawson (17 Mar 1950-3 Aug 1965)

Baron Layton, of Danehill, co. Sussex    [United Kingdom, 1947]
  1st: Walter Thomas Layton (16 Jan 1947-14 Feb 1966)
  2nd: Michael John Layton (14 Feb 1966-1989)
  3rd: Geoffrey Michael Layton (1989- )

Baron Leathers, of Purfleet, co. Essex    [United Kingdom, 1941]
  1st: Frederick James Leathers (19 May 1941-19 Mar 1965)
  2nd: Frederick Alan Leathers (19 Mar 1965-21 Jan 1996)
  3rd: Christopher Graeme Leathers (21 Jan 1996- )

Baron Lecale of Ardglass, co. Down    [Ireland, 1800]
  1st: Charles James FitzGerald (27 Dec 1800-18 Feb 1810)

Baron Lechmere of Evesham, co. Worcester    [Great Britain, 1721]
  1st: Nicholas Lechmere (4 Sep 1721-18 Jun 1727)

Baron Leconfield of Leconfield, in the East Riding of co. York    [United Kingdom, 1859]
  1st: George Wyndham (14 Apr 1859-18 Mar 1869)
  2nd: Henry Wyndham (18 Mar 1869-6 Jan 1901)
  3rd: Charles Henry Wyndham (6 Jan 1901-17 Apr 1952)
  4th: Hugh Archibald Wyndham (17 Apr 1952-6 Jul 1963)
  5th: Edward Scawen Wyndham (6 Jul 1963-1967)
  6th: John Edward Reginald Wyndham (1967-1973)
  7th: John Max Henry Scawen Wyndham (1973- )

Baron Lee of Fareham, of Chequers, co. Buckingham    [United Kingdom, 1918]
  1st: Arthur Hamilton Lee (9 Jul 1918-21 Jul 1947)

Baron Leigh of Stoneleigh, co. Warwick    [England, 1643]
  1st: Thomas Leigh (1 Jul 1643-22 Feb 1671)
  2nd: Thomas Leigh (22 Feb 1671-12 Nov 1710)
  3rd: Edward Leigh (12 Nov 1710-9 Mar 1738)
  4th: Thomas Leigh (9 Mar 1738-b 30 Nov 1749)
  5th: Thomas Leigh (30 Nov 1749-4 Jun 1786)

Baron Leigh of Stoneleigh, co. Warwick    [United Kingdom, 1839]
  1st: Chandos Leigh (11 May 1839-27 Sep 1850)
  2nd: William Henry Leigh (27 Sep 1850-21 Oct 1905)
  3rd: Francis Dudley Leigh (21 Oct 1905-16 May 1938)
  4th: Rupert William Dudley Leigh (16 May 1938-24 Jun 1979)
  5th: John Piers Leigh (24 Jun 1979-16 Sep 2003)
  6th: Christopher Dudley Piers Leigh (16 Sep 2003- )

Baron Leighton, of Stretton, co. Salop    [United Kingdom, 1896]
  1st: Frederic Leighton (24 Jan 1896-25 Jan 1896)

Baron Leighton of Saint Mellons, of St. Mellons, co. Monmouth    [United Kingdom, 1962]
  1st: George Leighton Seager (25 Jan 1962-17 Oct 1963)
  2nd: John Leighton Seager (17 Oct 1963-1998)
  3rd: Robert William Henry Leighton Seager (1998- )

Baron Leith of Fyvie, co. Aberdeen    [United Kingdom, 1905]
  1st: Alexander John Forbes-Leith (18 Dec 1905-14 Nov 1925)

Baron Leitrim, of Manor Hamilton, co. Leitrim    [Ireland, 1783]
  1st: Robert Clements (11 Oct 1783-27 Jul 1804)
  2nd: Nathaniel Clements (27 Jul 1804-31 Dec 1854)
  3rd: William Sydney Clements (31 Dec 1854-2 Apr 1871)
  4th: Robert Bermingham Clements (2 Apr 1878-5 Apr 1892)
  5th: Charles Clements (5 Apr 1892-9 Jun 1952)

Baron Leverhulme, of Bolton-le-Moors, co. Lancaster    [United Kingdom, 1917]
  1st: William Hesketh Lever (21 Jun 1917-7 May 1925)
  2nd: William Hulme Lever (7 May 1925-27 May 1949)
  3rd: Philip William Bryce Lever (27 May 1949-4 Jul 2000)

Baron Leveson of Stone, co. Stafford    [United Kingdom, 1814]
  1st: Granville Leveson-Gower (12 Aug 1814-8 Jan 1846)
  2nd: Granville George Leveson-Gower (8 Jan 1846-31 Mar 1891)
  3rd: Granville George Leveson-Gower (31 Mar 1891-21 Jul 1939)
  4th: William Spencer Leveson-Gower (21 Jul 1939-25 Jun 1953)
  5th: Granville James Leveson-Gower (25 Jun 1953-31 Oct 1996)
  6th: Granville George Fergus Leveson-Gower (31 Oct 1996- )

Baron Lifford of Lifford, co. Donegal    [Ireland, 1768]
  1st: James Hewitt (9 Jan 1768-28 Apr 1789)
  2nd: James Hewitt (28 Apr 1789-15 Apr 1830)
  3rd: James Hewitt (15 Apr 1830-22 Apr 1855)
  4th: James Hewitt (22 Apr 1855-20 Nov 1887)
  5th: James Wilfrid Hewitt (20 Nov 1887-20 Mar 1913)
  6th: Archibald Robert Hewitt (20 Mar 1913-22 May 1925)
  7th: Evelyn James Hewitt (22 May 1925-5 Apr 1954)
  8th: Alan William Wingfield Hewitt (5 Apr 1954-1987)
  9th: Edward James Wingfield Hewitt (1987- )

Baron Lilford of Lilford, co. Northampton    [Great Britain, 1797]
  1st: Thomas Powys (26 Oct 1797-26 Jan 1800)
  2nd: Thomas Powys (26 Jan 1800-4 Jul 1825)
  3rd: Thomas Atherton Powys (4 Jul 1825-15 Mar 1861)
  4th: Thomas Littleton Powys (15 Mar 1861-17 Jun 1896)
  5th: John Powys (17 Jun 1896-17 Dec 1945)
  6th: Stephan Powys (17 Dec 1945-19 Sep 1949)
  7th: Vernon George Powys (19 Sep 1949-3 Jan 2005)
  8th: Mark Vernon Powys (3 Jan 2005- )

Baron of Limerick    [Ireland, 1661]
  1st: Roger Palmer (11 Dec 1661-28 Jul 1705)

Lord Lindsay and Balneil    [Scotland, 1651]
  1st: Alexander Lindsay (9 Jan 1651-30 Aug 1659)
  2nd: Charles Lindsay (30 Aug 1659-15 Oct 1662)
  3rd: Colin Lindsay (15 Oct 1662-1722)
  4th: Alexander Lindsay (1722-25 Jul 1736)
  5th: James Lindsay (25 Jul 1736-20 Feb 1768)
  6th: Alexander Lindsay (20 Feb 1768-27 Mar 1825)
  7th: James Lindsay (27 Mar 1825-15 Dec 1869)
  8th: Alexander William Crawford Lindsay (15 Dec 1869-13 Dec 1880)
  9th: James Ludovic Lindsay (13 Dec 1880-31 Jan 1913)
10th: David Alexander Edward Lindsay (31 Jan 1913-8 Mar 1940)
11th: David Alexander Robert Lindsay (8 Mar 1940-13 Dec 1975)
12th: Robert Alexander Lindsay (13 Dec 1975- )

Lord Lindsay of Balcarres    [Scotland, 1633]
  1st: David Lindsay (27 Jun 1633-Mar 1642)
  2nd: Alexander Lindsay (Mar 1641-30 Aug 1659)
  3rd: Charles Lindsay (30 Aug 1659-15 Oct 1662)
  4th: Colin Lindsay (15 Oct 1662-1722)
  5th: Alexander Lindsay (1722-25 Jul 1736)
  6th: James Lindsay (25 Jul 1736-20 Feb 1768)
  7th: Alexander Lindsay (20 Feb 1768-27 Mar 1825)
  8th: James Lindsay (27 Mar 1825-15 Dec 1869)
  9th: Alexander William Crawford Lindsay (15 Dec 1869-13 Dec 1880)
10th: James Ludovic Lindsay (13 Dec 1880-31 Jan 1913)
11th: David Alexander Edward Lindsay (31 Jan 1913-8 Mar 1940)
12th: David Alexander Robert Lindsay (8 Mar 1940-13 Dec 1975)
13th: Robert Alexander Lindsay (13 Dec 1975- )

Baron Lindsay of Birker, of Low Ground, co. Cumberland    [United Kingdom, 1945]
  1st: Alexander Dunlop Lindsay (13 Nov 1945-18 Mar 1952)
  2nd: Michael Francis Morris Lindsay (18 Mar 1952-13 Feb 1994)
  3rd: James Francis Lindsay (13 Feb 1994- )

Lord Lindsay of the Byres    [Scotland, 1444]
  1st: John Lindsay (c Oct 1444-6 Feb 1482)
  2nd: David Lindsay (6 Feb 1482-1490)
  3rd: John Lindsay (1490-a 26 Oct 1498)
  4th: Patrick Lindsay (a 26 Oct 1498-a 8 Mar 1526)
  5th: John Lindsay (a 8 Mar 1526-c 17 Dec 1563)
  6th: Patrick Lindsay (c 17 Dec 1563-11 Dec 1589)
  7th: James Lindsay (11 Dec 1589-5 Nov 1601)
  8th: John Lindsay (5 Nov 1601-5 Nov 1609)
  9th: Robert Lindsay (5 Nov 1609-9 Jul 1616)
10th: John Lindsay (9 Jul 1616-1678)
11th: William Lindsay (1678-6 Mar 1698)
12th: John Lindsay (6 Mar 1698-4 Jan 1714)
13th: John Lindsay (4 Jan 1714-25 Dec 1749)
14th: George Lindsay-Crawford (24 Dec 1749-11 Aug 1781)
15th: George Lindsay-Crawford (11 Aug 1781-30 Jan 1808)
16th: David Lindsay (30 Jan 1808-c May 1809)
17th: Patrick Lindsay (May 1809-14 Mar 1839)
18th: Henry Bethune (14 Mar 1839-19 Feb 1851)
19th: John Trotter Bethune (19 Feb 1851-12 May 1894)
20th: David Clarke Bethune (12 May 1894-20 Mar 1917)
21st: Reginald Lindesay-Bethune (20 Mar 1917-14 Jan 1939)
22nd: Archibald Lionel Bethune (14 Jan 1939-15 Oct 1943)
23rd: William Tucker Lindesay-Bethune (15 Oct 1943-1985)
24th: David Lindesay-Bethune (1985-1989)
25th: James Randolph Lindesay-Bethune (1989- )

Baron Lingen, of Lingen, co. Hereford    [United Kingdom, 1885]
  1st: Ralph Robert Wheeler Lingen (3 Jul 1885-22 Jul 1905)

Baron Lisle of Mountnorth, co. Cork    [Ireland, 1758]
  1st: John Lysaght (18 Sep 1758-15 Jun 1781)
  2nd: John Lysaght (15 Jun 1781-9 Jan 1798)
  3rd: John Lysaght (8 Jan 1798-26 Nov 1834)
  4th: George Lysaght (26 Nov 1834-7 Jul 1868)
  5th: George William James Lysaght (18 Apr 1898-25 Feb 1919)
  5th: John Arthur Lysaght (7 Jul 1868-18 Apr 1898)
  7th: John Nicholas Horace Lysaght (25 Feb 1919-29 Dec 1997)
  8th: Patrick James Nolan Lysaght (1997-11 Nov 2003)
  9th: John Nicholas Geoffrey Lysaght (11 Nov 2003- )

Baron Lismore of Shanbally, co. Tipperary    [Ireland, 1785]
  1st: Cornelius O'Callaghan (27 Jun 1785-12 Jul 1797)
  2nd: Cornelius O'Callaghan (12 Jul 1797-30 May 1857)
  3rd: George Ponsonby O'Callaghan (30 May 1857-29 Oct 1898)

Baron Lismore of Shanbally Castle, co. Tipperary    [United Kingdom, 1838]
  1st: Cornelius O'Callaghan (6 Jul 1838-30 May 1857)
  2nd: George Ponsonby O'Callaghan (30 May 1857-29 Oct 1898)

Baron Lister, of Lyme Regis, co. Dorset    [United Kingdom, 1897]
  1st: Joseph Lister (6 Feb 1897-10 Feb 1912)

Lord Livingston    [Scotland, 1458]
  1st: James Livingston (1458-b 7 Nov 1467)

Lord Livingston of Almond    [Scotland, 1633]
  1st: James Livingston (19 Jun 1633-c Mar 1674)
  2nd: Alexander Livingston (Mar 1674-Aug 1685)
  3rd: Alexander Livingston (Aug 1685-Dec 1692)
  4th: James Livingston (Dec 1692-25 Apr 1723)

Baron Llangattock, of the Hendre, co. Monmouth    [United Kingdom, 1892]
  1st: John Allan Rolls (30 Aug 1892-24 Sep 1912)
  2nd: John McLean Rolls (24 Sep 1912-31 Oct 1916)

Baron Llewellin, of Upton, co. Dorset    [United Kingdom, 1945]
  1st: John Jestyn Llewellin (12 Sep 1945-24 Jan 1957)

Baron Lochee, of Gourie, co. Perth    [United Kingdom, 1908]
  1st: Edmund Robertson (22 May 1908-13 Sep 1911)

Baron Loftus of Loftus Hall, co. Wexford    [Ireland, 1751]
  1st: Nicholas Loftus (5 Oct 1751-31 Dec 1763)
  2nd: Nicholas Hume-Loftus (31 Dec 1763-31 Oct 1766)
  3rd: Nicholas Hume-Loftus (31 Oct 1766-12 Nov 1769)
  4th: Henry Loftus (12 Nov 1769-8 May 1783)

Baron Loftus of Loftus Hall, co. Wexford    [Ireland, 1785]
  1st: Charles Loftus (28 Jun 1785-22 Mar 1806)
  2nd: John Loftus (22 Mar 1806-26 Sep 1845)
  3rd: John Henry Loftus (26 Sep 1845-15 Jul 1857)
  4th: John Henry Wellington Graham Loftus (15 Jul 1857-3 Apr 1889)
  5th: John Henry Loftus (3 Apr 1889-18 Dec 1925)
  6th: George Herbert Loftus (18 Dec 1925-10 Apr 1935)
  7th: George Henry Wellington Loftus (10 Apr 1935-31 May 1969)
  8th: Charles John Tottenham (31 May 1969-1 Feb 2006)
  9th: Charles John Tottenham (1 Feb 2006- )

Baron Loftus of Long Loftus, co. York    [United Kingdom, 1801]
  1st: Charles Loftus (19 Jan 1801-22 Mar 1806)
  2nd: John Loftus (22 Mar 1806-26 Sep 1845)
  3rd: John Henry Loftus (26 Sep 1845-15 Jul 1857)
  4th: John Henry Wellington Graham Loftus (15 Jul 1857-3 Apr 1889)
  5th: John Henry Loftus (3 Apr 1889-18 Dec 1925)
  6th: George Herbert Loftus (18 Dec 1925-10 Apr 1935)
  7th: George Henry Wellington Loftus (10 Apr 1935-31 May 1969)
  8th: Charles John Tottenham (31 May 1969-1 Feb 2006)
  9th: Charles John Tottenham (1 Feb 2006- )

Baron Londesborough, in the East Riding, co. York    [United Kingdom, 1850]
  1st: Albert Denison Denison (4 Mar 1850-15 Jan 1860)
  2nd: William Henry Forester Denison (15 Jan 1860-19 Apr 1900)
  3rd: William Francis Henry Denison (19 Apr 1900-30 Oct 1917)
  4th: George Francis William Henry Denison (30 Oct 1917-12 Sep 1920)
  5th: Hugo William Cecil Denison (12 Sep 1920-17 Apr 1937)
  6th: Ernest William Denison (17 Apr 1937-31 Dec 1963)
  7th: Conyngham Charles Denison (31 Dec 1963-31 Oct 1967)
  8th: John Albert Lister Denison (31 Oct 1967-5 Apr 1968)
  9th: Richard John Denison (5 Apr 1968- )

Baron Londonderry    [Ireland, 1789]
  1st: Robert Stewart (20 Sep 1789-8 Apr 1821)
  2nd: Robert Stewart (6 Apr 1821-12 Aug 1822)
  3rd: Charles William Vane (12 Aug 1822-6 Mar 1854)
  4th: Frederick William Robert Stewart (6 Mar 1854-25 Nov 1872)
  5th: George Henry Robert Charles William Vane-Tempest (25 Nov 1872-6 Nov 1884)
  6th: Charles Stewart Vane-Tempest-Stewart (6 Nov 1884-8 Feb 1915)
  7th: Charles Stewart Henry Vane-Tempest-Stewart (8 Feb 1915-11 Feb 1949)
  8th: Edward Charles Robert Vane-Tempest-Stewart (11 Feb 1949-17 Oct 1955)
  9th: Alexander Charles Robert Vane-Tempest-Stewart (17 Oct 1955-20 Jun 2012)
10th: Frederick Aubrey Vane-Tempest-Stewart (20 Jun 2012- )

Baron Longford, co. Longford    [Ireland, 1756]
  1st: Thomas Pakenham (7 May 1756-30 Apr 1766)
  2nd: Edward Michael Pakenham (30 Mar 1766-3 Jun 1792)
  3rd: Thomas Pakenham (3 Jun 1792-24 May 1835)
  4th: Edward Michael Pakenham (24 May 1835-27 Mar 1860)
  5th: William Lygon Pakenham (27 Mar 1860-19 Apr 1887)
  6th: Thomas Pakenham (19 Apr 1887-21 Aug 1915)
  7th: Edward Arthur Henry Pakenham (21 Aug 1915-4 Feb 1961)
  8th: Francis Aungier Pakenham (4 Feb 1961-3 Aug 2001)
  9th: Thomas Frank Dermot Pakenham (3 Aug 2001- )

Lord Lord, Saint Maur    [England, 1314]
  7th: William Zouche (a 1432-15 Jan 1468)

Baron Loreburn, of Dumfries, co. Dumfries    [United Kingdom, 1906]
  1st: Robert Threshie Reid (8 Jan 1906-30 Nov 1923)

Lord Lorn    [Scotland, 1439]
  1st: Robert Stewart (b 5 Sep 1439-1449)
  2nd: John Stewart (c 1448-20 Dec 1463)
  3rd: Walter Stewart (20 Dec 1463-bt 1481-1489)

Lord Lorne    [Scotland, 1470]
  1st: Colin Campbell (17 Apr 1470-10 May 1493)
  2nd: Archibald Campbell (10 May 1493-9 Sep 1513)
  3rd: Colin Campbell (9 Sep 1513-9 Oct 1529)
  4th: Archibald Campbell (1529-bt 1558-1558)
  5th: Archibald Campbell (1558-12 Sep 1573)
  6th: Colin Campbell (12 Sep 1573-10 Sep 1584)
  7th: Archibald Campbell (10 Sep 1584-bt 1638-1638)
  8th: Archibald Campbell (1638-27 May 1661)
  9th: Archibald Campbell (16 Oct 1663-30 Jun 1685)
10th: Archibald Campbell (1689-25 Sep 1703)
11th: John Campbell (25 Sep 1703-4 Oct 1743)
12th: Archibald Campbell (4 Oct 1743-15 Apr 1761)
13th: John Campbell (15 Apr 1761-9 Nov 1770)
14th: John Campbell (9 Nov 1770-24 May 1806)
15th: George William Campbell (24 May 1806-22 Oct 1839)
16th: John Douglas Edward Henry Campbell (22 Oct 1839-25 Apr 1847)
17th: George Douglas Campbell (25 Apr 1847-24 Apr 1900)
18th: John George Edward Henry Douglas Sutherland Campbell (24 Apr 1900-2 May 1914)
19th: Niall Diarmid Campbell (2 May 1914-20 Aug 1949)
20th: Ian Douglas Campbell (20 Aug 1949-7 Apr 1973)
21st: Ian Campbell (7 Apr 1973-21 Apr 2001)
22nd: Torquhil Ian Campbell (21 Apr 2001- )

Lord Loudon    [Scotland, 1601]
10th: Henry Weysford Charles Plantagenet Rawdon-Hastings (bt 1851-1851-10 Nov 1868)

Baron Loughborough of Loughborough, co. Leicester    [England, 1643]
  1st: Henry Hastings (23 Oct 1643-10 Jan 1667)

Baron Louth    [Ireland, 1541]
  1st: Oliver Plunkett (15 Jun 1541-bt 1549-1553)
  2nd: Thomas Plunkett (b 1 May 1553-1 May 1571)
  3rd: Patrick Plunkett (1 May 1571-c 1 May 1578)
  4th: Oliver Plunkett (1 May 1578-5 Mar 1607)
  5th: Matthew Plunkett (5 Mar 1607- )
  6th: Oliver Plunkett (19 Jul 1629-c 1679)
  7th: Matthew Plunkett (c 1679-Sep 1689)
  8th: Oliver Plunkett (Sep 1689-1707)
  9th: Matthew Plunkett (1707- )
10th: Oliver Plunkett (20 Jun 1754-4 Mar 1763)
11th: Thomas Oliver Plunkett (1798-25 Jun 1823)
12th: Thomas Oliver Plunkett (25 Jun 1823-26 Jun 1849)
13th: Randal Percy Otway Plunkett (26 Jun 1849-19 Jul 1883)
14th: Randal Pilgrim Ralph Plunkett (19 Jul 1883-28 Oct 1941)
15th: Otway Randal Percy Oliver Plunkett (28 Oct 1941-3 Feb 1950)
16th: Otway Michael James Oliver Plunkett (3 Feb 1950-6 Jan 2013)
17th: Jonathan Oliver Plunkett (6 Jan 2013- )

Baron Lovaine    [Great Britain, 1784]
  1st: Hugh Percy (28 Jun 1784-6 Jun 1786)
  2nd: Algernon Percy (6 Jun 1786-21 Oct 1830)
  3rd: George Percy (21 Oct 1830-22 Aug 1867)

Lord Lovat    [Scotland, 1464]
  1st: Hugh Fraser (bt 1457-1464-fr 1499-1501)
  2nd: Thomas Fraser (b 30 Apr 1501-21 Oct 1524)
  3rd: Hugh Fraser (21 Oct 1524-15 Jul 1544)
  4th: Alexander Fraser (15 Jul 1544-Dec 1557)
  5th: Hugh Fraser (Dec 1557-bt 1576-1577)
  6th: Simon Fraser (1 Jan 1576-1633)
  7th: Hugh Fraser (1633-16 Feb 1646)
  8th: Hugh Fraser (16 Feb 1646-27 Apr 1672)
  9th: Hugh Fraser (27 Apr 1672-14 Sep 1696)
10th: Thomas Fraser (14 Sep 1696-May 1699)
11th: Simon Fraser (1730-9 Apr 1747)
12th: Thomas Alexander Fraser (13 Aug 1857-28 Jun 1875)
13th: Simon Fraser (28 Jun 1875-6 Sep 1887)
14th: Simon Joseph Fraser (6 Sep 1887-18 Feb 1933)
15th: Simon Christopher Joseph Fraser (18 Feb 1933-16 Mar 1995)
16th: Simon Christopher Joseph Fraser (16 Mar 1995- )

Baron Lovat of Lovat, co. Inverness    [United Kingdom, 1837]
  1st: Thomas Alexander Fraser (28 Jan 1837-28 Jun 1875)
  2nd: Simon Fraser (28 Jun 1875-6 Sep 1887)
  3rd: Simon Joseph Fraser (6 Sep 1887-18 Feb 1933)
  4th: Simon Christopher Joseph Fraser (18 Feb 1933-16 Mar 1995)
  5th: Simon Christopher Joseph Fraser (16 Mar 1995- )

Lord Lovel and Holland, Baron Lovel and Holland of Enmore, co. Somerset    [Great Britain, 1762]
  1st: John Perceval (7 May 1762-20 Dec 1770)
  2nd: John James Perceval (4 Dec 1770-25 Feb 1822)
  3rd: John Perceval (25 Feb 1822-31 Dec 1835)
  4th: Henry Frederick John James Perceval (31 Dec 1835-23 Dec 1841)
  5th: George James Perceval (23 Dec 1841-2 Aug 1874)
  6th: Charles George Perceval (2 Aug 1874-5 Sep 1897)
  7th: Augustus Arthur Perceval (5 Sep 1897-11 Aug 1910)
  8th: Charles John Perceval (11 Aug 1910-10 Jan 1929)
  9th: Frederick Joseph Trevelyan Perceval (10 Jan 1929-16 May 1932)
10th: Frederick George Moore Perceval (16 May 1932-10 Dec 2001)
11th: Thomas Frederick Gerald Perceval (10 Dec 2001-6 Nov 2011)

Baron Lovel of Minster Lovel    [Great Britain, 1728]
  1st: Thomas Coke (28 May 1728-20 Apr 1759)

Baron Lowther, of Lowther, co. Westmoreland    [Great Britain, 1784]
  1st: James Lowther (24 May 1784-24 May 1802)

Baron Lowther of Lowther, co. Westmorland    [England, 1696]
  1st: John Lowther (28 May 1696-10 Jul 1700)
  2nd: Richard Lowther (10 Jul 1700-1 Dec 1713)
  3rd: Henry Lowther (1 Dec 1713-12 Mar 1751)

Baron Lowther of Whitehaven    [Great Britain, 1797]
  1st: James Lowther (26 Oct 1797-24 May 1802)
  2nd: William Lowther (24 May 1802-19 Mar 1844)
  3rd: William Lowther (19 Mar 1844-4 Mar 1872)
  4th: Henry Lowther (4 Mar 1872-15 Aug 1876)
  5th: St. George Henry Lowther (15 Aug 1876-8 Feb 1882)
  6th: Hugh Cecil Lowther (8 Feb 1882-13 Apr 1944)
  7th: Lancelot Edward Lowther (13 Apr 1944-11 Mar 1953)
  8th: James Hugh William Lowther (6 Oct 1949-23 May 2006)
  9th: Hugh Clayton Lowther (23 May 2006- )

Baron Lucan of Castlebar, co. Mayo    [Ireland, 1776]
  1st: Charles Bingham (24 Jul 1776-29 Mar 1799)

Baron Lucas of Chilworth, of Chilworth, co. Southampton    [United Kingdom, 1946]
  1st: George William Lucas (27 Jun 1946-11 Oct 1967)
  2nd: Michael William George Lucas (11 Oct 1967-10 Nov 2001)
  3rd: Simon William Lucas (10 Nov 2001- )

Baroness Lucas of Crudwell, co. Wilts    [England, 1663]
  1st: Mary Lucas (7 May 1663-1 Nov 1700)
  2nd: Henry Grey (1 Nov 1700-5 Jun 1740)
  3rd: Anthony Grey (8 Nov 1718-21 Jul 1723)
  4th: Jemima Campbell (9 Oct 1723-10 Jan 1797)
  5th: Annabella Yorke (10 Jan 1797-4 May 1833)
  6th: Thomas Philip Grey (4 May 1833-14 Nov 1859)
  7th: Anne Florence Weddell (14 Nov 1859-25 Jul 1880)
  8th: Francis Thomas de Grey Cowper (25 Jul 1880-18 Jul 1905)
  9th: Auberon Thomas Herbert (19 Jul 1905-3 Nov 1916)
10th: Nan Ino Herbert (4 Nov 1916-23 Nov 1958)
11th: Anne Rosemary Cooper (23 Nov 1958-31 Dec 1991)
12th: Ralph Matthew Palmer (31 Dec 1991- )

Baron Lucas of Shenfield, co. Essex    [England, 1645]
  1st: John Lucas (13 Jan 1645-2 Jul 1671)
  2nd: Charles Lucas (2 Jul 1671-1688)
  3rd: Thomas Lucas (1688-1705)

Lord Lucy    [England, 1321]
  2nd: Thomas Lucy

Baron Ludlow, of Heywood, co. Wilts    [United Kingdom, 1897]
  1st: Henry Charles Lopes (26 Jul 1897-25 Dec 1899)
  2nd: Henry Ludlow Lopes (25 Dec 1899-8 Nov 1922)

Baron Lugard, of Abinger, co. Surrey    [United Kingdom, 1928]
  1st: Frederick John Dealtry Lugard (16 Mar 1928-11 Apr 1945)

Baron Luke, of Pavenham, co. Bedford    [United Kingdom, 1929]
  1st: George Lawson Johnston (9 Jul 1929-23 Feb 1943)
  2nd: Ian St. John Lawson Johnston (23 Feb 1943-25 May 1996)
  3rd: Arthur Charles St. John Lawson Johnston (25 May 1996- )

Lord Lumley    [England, 1384]
  1st: Ralph Lumley (1384-Jan 1400)

Lord of Lundie    [Scotland, 1642]
  1st: James Campbell (1642-Sep 1645)

Baron Lurgan, of Lurgon, co. Armagh    [United Kingdom, 1839]
  1st: Charles Brownlow (14 May 1839-2 Sep 1877)

Baron Luxborough of Shannon    [Ireland, 1745]
  1st: Robert Knight (8 Aug 1745-30 Mar 1772)

Baron Lyell, of Kinnordy, co. Forfar    [United Kingdom, 1914]
  1st: Leonard Lyell (4 Jul 1914-18 Sep 1926)
  2nd: Charles Antony Lyell (18 Sep 1926-27 Apr 1943)
  3rd: Charles Lyell (27 Apr 1943- )

Baron Lyle of Westbourne, of Canford Cliffs, Poole, co. Dorset    [United Kingdom, 1945]
  1st: Charles Ernest Leonard Lyle (13 Sep 1945-6 Mar 1954)
  2nd: Charles John Leonard Lyle (6 Mar 1954-1976)

Baron Lyons, of Christchurch, co. Hants    [United Kingdom, 1856]
  1st: Edmund Lyons (25 Jun 1856-23 Nov 1858)
  2nd: Richard Bickerton Pemell Lyons (23 Nov 1858-5 Dec 1887)

Lord Lyttelton, Baron of Frankley, co. Worcester    [Great Britain, 1794]
  1st: William Henry Lyttelton (13 Aug 1794-14 Sep 1808)
  2nd: George Fulke Lyttelton (14 Sep 1808-12 Nov 1828)
  3rd: William Henry Lyttelton (12 Nov 1828-30 Apr 1837)
  4th: George William Lyttelton (30 Apr 1837-19 Apr 1876)
  5th: Charles George Lyttelton (19 Apr 1876-9 Jun 1922)
  6th: John Cavendish Lyttelton (9 Jun 1922-31 Jul 1949)
  7th: Charles John Lyttelton (31 Jul 1949-20 Mar 1977)
  8th: John William Leonard Lyttelton (20 Mar 1977-13 Jul 2006)
  9th: Christopher Charles Lyttelton (13 Jul 2006- )

Baron Lyttelton of Frankley, co. Worcester    [Great Britain, 1756]
  2nd: Thomas Lyttelton (22 Aug 1773-27 Nov 1779)

Baron Lytton of Knebworth, co. Hertford    [United Kingdom, 1866]
  1st: Edward George Bulwer-Lytton (14 Jul 1866-18 Jan 1873)
  1st: Edward Robert Bulwer-Lytton (18 Jan 1873-24 Nov 1891)
  3rd: Victor Alexander George Robert Bulwer-Lytton (24 Nov 1891-25 Oct 1947)
  4th: Neville Stephen Lytton (25 Oct 1947-9 Feb 1951)
  5th: Noel Anthony Scawen Lytton-Milbanke (9 Feb 1951-1985)
  6th: John Peter Michael Scawen Lytton (1985- )

Baron Lyveden of Lyveden, co. Northampton    [United Kingdom, 1859]
  2nd: Fitzpatrick Henry Vernon (10 Nov 1873-25 Feb 1900)
  3rd: Courtenay Robert Percy Vernon (25 Feb 1900-25 Dec 1926)
  4th: Robert Fitzpatrick Courtenay Vernon (25 Dec 1926-9 Jan 1969)
  5th: Sidney Munroe Archibald Vernon (9 Jan 1969-19 Sep 1973)
  6th: Ronald Cecil Vernon (19 Sep 1973-12 Aug 1999)
  7th: Jack Leslie Vernon Vernon (12 Aug 1999- )

Baron Lyvedon of Lyvedon, co. Northampton    [United Kingdom, 1859]
  1st: Robert Vernon Smith (28 Jun 1859-10 Nov 1873)

Baron Mabane, of Rye, co. Sussex    [United Kingdom, 1962]
  1st: William Mabane (15 Jun 1962-16 Nov 1969)

Baron MacAndrew, of the Firth of Clyde    [United Kingdom, 1959]
  1st: Charles Glen MacAndrew (8 Dec 1959-11 Jan 1979)
  2nd: Colin Nevill Glen MacAndrew (11 Jan 1979-1989)
  3rd: Christopher Anthony Colin MacAndrew (1989- )

Baron MacDonnell, of Swinford, co. Mayo    [United Kingdom, 1908]
  1st: Anthony Patrick MacDonnell (2 Jul 1908-9 Jun 1925)

Baroness Macdonald of Earnscliffe, in the Province of Ontario and the Dominion of Canada    [United Kingdom, 1891]
  1st: Susan Agnes Bernard (14 Aug 1891-5 Sep 1920)

Baron Macdonald of Gwaenysgor, of Gwaenysgor, co. Flint    [United Kingdom, 1949]
  1st: Gordon Macdonald (13 Apr 1949-20 Jan 1966)
  2nd: Gordon Ramsay Macdonald (20 Jan 1966-27 Jan 2002)

Baron Macdonald of Slate, co. Antrim    [Ireland, 1776]
  1st: Alexander Macdonald (25 Jul 1776-12 Sep 1795)
  2nd: Alexander Wentworth Macdonald (12 Sep 1795-19 Jun 1824)
  3rd: Godfrey Bosville Macdonald (19 Jun 1824-13 Oct 1832)
  4th: Godfrey William Wentworth Bosville Macdonald (13 Oct 1832-25 Jul 1863)
  5th: Somerled James Brudenell Bosville Macdonald (25 Jul 1863-25 Dec 1874)
  6th: Ronald Archibald Bosville Macdonald (25 Dec 1874-20 Jan 1947)
  7th: Alexander Godfrey Macdonald (20 Jan 1947-29 Nov 1970)
  8th: Godfrey James Macdonald (29 Nov 1970- )

Lord Macdonell and Aross    [Scotland, 1660]
  1st: Aeneas Macdonald (20 Dec 1660-6 Dec 1680)

Lord Machansyre and Polmont    [Scotland, 1639]
  1st: William Hamilton (31 Mar 1639-12 Sep 1651)
  2nd: Anne Hamilton (12 Sep 1651-17 Oct 1716)
  3rd: James Hamilton (9 Jul 1698-15 Nov 1712)
  4th: James Hamilton (15 Nov 1712-2 Mar 1743)
  5th: James Hamilton (2 Mar 1743-17 Jan 1758)
  6th: James George Hamilton (17 Jan 1758-7 Jul 1769)
  7th: Douglas Hamilton (7 Jul 1769-2 Aug 1799)
  8th: Archibald Hamilton (2 Aug 1799-16 Feb 1819)
  9th: Alexander Hamilton (16 Feb 1819-18 Aug 1852)
10th: William Alexander Anthony Archibald Hamilton (18 Aug 1852-15 Jul 1863)
11th: William Alexander Louis Stephen Douglas-Hamilton (15 Jul 1863-16 May 1895)
12th: Alfred Douglas Douglas-Hamilton (16 May 1895-16 Mar 1940)
13th: Douglas Douglas-Hamilton (16 Mar 1940-1973)
14th: Angus Alan Douglas Douglas-Hamilton (1973-5 Jun 2010)
15th: Alexander Douglas Douglas-Hamilton (5 Jun 2010- )

Lord Mackenzie of Kintail    [Scotland, 1609]
  1st: Kenneth Mackenzie (17 Nov 1609-27 Feb 1611)
  2nd: Colin Mackenzie (27 Feb 1611-15 Apr 1633)
  3rd: George Mackenzie (15 Apr 1633-Aug 1651)
  4th: Kenneth Mackenzie (Aug 1651-Dec 1678)
  5th: Kenneth Mackenzie (Dec 1678-Jan 1701)
  6th: William Mackenzie (Jan 1701-8 Jan 1740)

Baron Mackintosh of Halifax, of Hethersett, co. Norfolk    [United Kingdom, 1948]
  1st: Harold Vincent Mackintosh (6 Feb 1948-27 Dec 1964)
  2nd: John Mackintosh (27 Dec 1964-2 Nov 1980)
  3rd: John Clive Mackintosh (2 Nov 1980- )

Baron Maclay, of Glasgow, co. Lanark    [United Kingdom, 1922]
  1st: Joseph Paton Maclay (21 Nov 1922-24 Apr 1951)
  2nd: Joseph Paton Maclay (24 Apr 1951-7 Nov 1969)
  3rd: Joseph Paton Maclay (7 Nov 1969- )

Lord Macleod and Castlehaven    [Scotland, 1685]
  1st: George Mackenzie (15 Apr 1685-27 Aug 1714)
  2nd: John Mackenzie (17 Aug 1714-20 Feb 1731)
  3rd: George Mackenzie (20 Feb 1731-28 Sep 1766)

Lord Macleod and Castlehaven    [Scotland, 1703]
  1st: George Mackenzie (1 Jan 1703-27 Aug 1714)
  2nd: John Mackenzie (17 Aug 1714-20 Feb 1731)
  3rd: George Mackenzie (20 Feb 1731-28 Sep 1766)

Baroness Macleod of Castle Leod, co. Cromartie    [United Kingdom, 1861]
  1st: Anne Hay-Mackenzie (21 Oct 1861-25 Nov 1888)
  2nd: Francis Mackenzie Sutherland-Leveson-Gower (25 Nov 1888-24 Nov 1893)
  3rd: Sibell Lilian Sutherland-Leveson-Gower (25 Feb 1895-20 May 1962)
  4th: Roderick Grant Francis Mackenzie (20 May 1962-13 Dec 1989)
  5th: John Ruaridh Grant Mackenzie (13 Dec 1989- )

Baron Macpherson of Drumochter, of Great Warley, co. Essex    [United Kingdom, 1951]
  1st: Thomas Macpherson (30 Jan 1951-11 Jun 1965)
  2nd: James Gordon Macpherson (11 Jun 1965-7 Sep 2008)
  3rd: James Anthony Macpherson (7 Sep 2008- )

Baron Maenan, of Ellesmere, co. Salop.    [United Kingdom, 1948]
  1st: William Francis Kyffin Taylor (29 Jun 1948-22 Sep 1951)

Baron Magheramorne of Magheramorne, co. Antrim    [United Kingdom, 1887]
  1st: James MacNaghten McGarel-Hogg (5 Jul 1887-27 Jun 1890)
  2nd: James Douglas McGarel-Hogg (27 Jun 1890-10 Mar 1903)
  3rd: Dudley Stuart McGarel-Hogg (10 Mar 1903-14 Mar 1946)
  4th: Ronald Tracey McGarel-Hogg (14 Mar 1946-21 Apr 1957)

Lord Maitland of Thirlestane    [Scotland, 1590]
  1st: John Maitland (17 May 1590-3 Oct 1595)
  2nd: John Maitland (3 Oct 1595-18 Jan 1645)
  3rd: John Maitland (18 Jan 1645-24 Aug 1682)
  4th: Charles Maitland (24 Aug 1682-9 Jun 1691)
  5th: Richard Maitland (9 Jun 1691-1695)
  6th: John Maitland (1695-30 Aug 1710)
  7th: Charles Maitland (30 Aug 1710-15 Jul 1744)
  8th: James Maitland (15 Jul 1744-17 Aug 1789)
  9th: James Maitland (17 Aug 1789-15 Sep 1839)
10th: James Maitland (15 Sep 1839-22 Aug 1860)
11th: Anthony Maitland (22 Aug 1860-22 Mar 1863)
12th: Thomas Maitland (22 Mar 1863-1 Sep 1878)
13th: Charles Barclay-Maitland (1 Sep 1878-13 Aug 1884)
14th: Frederick Henry Maitland (13 Aug 1884-1 Sep 1924)
15th: Frederick Colin Maitland (1 Sep 1924-14 Sep 1931)
16th: Ian Colin Maitland (14 Sep 1931-17 Feb 1953)
17th: Alfred Sydney Frederick Maitland (17 Feb 1953-27 Nov 1968)
18th: Patrick Francis Maitland (27 Nov 1968-2 Dec 2008)
19th: Ian Maitland (2 Dec 2008- )

Lord Makgill of Cousland    [Scotland, 1651]
  1st: James Makgill (19 Apr 1651-5 May 1663)
  2nd: Robert Makgill (5 May 1663-Dec 1705)
  3rd: David Makgill (Dec 1705-Sep 1717)
  4th: James Makgill (Sep 1717-b 26 Sep 1747)
  5th: John Makgill (26 Sep 1747-19 Apr 1762)
  6th: Arthur Makgill (19 Apr 1762-c Dec 1777)
  7th: George Makgill (c Dec 1777-26 Aug 1797)
  8th: John Makgill (26 Aug 1797-3 May 1817)
  9th: George Makgill (3 May 1817-21 Sep 1878)
10th: John Makgill (21 Sep 1878-14 Nov 1906)
11th: George Makgill (10 Nov 1906-17 Oct 1926)
12th: John Donald Alexander Arthur Makgill (1977-1986)
13th: George Hubbard Makgill (1986-3 Jan 2003)
14th: Ian Arthur Alexander Makgill (3 Jan 2003- )

Baron Malcolm of Poltalloch, co. Argyll    [United Kingdom, 1896]
  1st: John Wingfield Malcolm (9 Jun 1896-6 Mar 1902)

Baron Malmesbury, of Malmesbury, co. Wilts    [Great Britain, 1788]
  1st: James Harris (19 Sep 1788-21 Nov 1820)
  2nd: James Edward Harris (21 Nov 1820-10 Sep 1841)
  3rd: James Howard Harris (10 Sep 1841-17 May 1889)
  4th: Edward James Harris (17 Jul 1888-19 May 1899)
  5th: James Edward Harris (19 May 1899-12 Jun 1950)
  6th: William James Harris (12 Jun 1950-11 Nov 2000)
  7th: James Carleton Harris (11 Nov 2000- )

Baron Mamhead, of Exeter, co. Devon    [United Kingdom, 1931]
  1st: Robert Hunt Stapylton Dudley Lydston Newman (5 Dec 1931-2 Nov 1945)

Baron Mancroft, of Mancroft, in the City of Norwich    [United Kingdom, 1937]
  1st: Arthur Samuel (23 Feb 1937-17 Aug 1942)
  2nd: Stormont Mancroft Mancroft (17 Aug 1942-1987)
  3rd: Benjamin Lloyd Stormont Mancroft (1987- )

Baron Manners of Foston, co. Lincoln    [United Kingdom, 1807]
  1st: Thomas Manners-Sutton (20 Apr 1807-31 May 1842)
  2nd: John Thomas Manners-Sutton (31 May 1842-14 Nov 1864)
  3rd: John Thomas Manners (14 Nov 1864-19 Aug 1927)
  4th: Francis Henry Manners (19 Aug 1927-1972)
  5th: John Robert Cecil Manners (1972-28 May 2008)
  6th: John Hugh Robert Manners (2008- )

Baron Mansell of Margam    [Great Britain, 1712]
  1st: Thomas Mansell (1 Jan 1712-10 Dec 1723)
  2nd: Thomas Mansell (10 Dec 1723-29 Jan 1744)
  3rd: Christopher Mansell (29 Jan 1744-26 Nov 1744)
  4th: Bussy Mansell (26 Nov 1744-29 Nov 1750)

Lord Mansfield, Baron of Mansfield , co. Nottingham    [Great Britain, 1756]
  1st: William Murray (8 Nov 1756-20 Mar 1793)

Baron Manton, of Compton Verney, co. Warwick    [United Kingdom, 1922]
  1st: Joseph Watson (25 Jan 1922-13 Mar 1922)
  2nd: George Miles Watson (13 Mar 1922-10 Jun 1968)
  3rd: Joseph Rupert Eric Robert Watson (10 Jun 1968-8 Aug 2003)
  4th: Miles Ronald Marcus Watson (8 Aug 2003- )

Baron Marchamley, of Hawkstone, Shropshire    [United Kingdom, 1908]
  1st: George Whiteley Whiteley (3 Jul 1908-21 Oct 1925)
  1st: William Tattersall Whiteley (21 Oct 1925-17 Nov 1949)
  3rd: John William Tattersall Whiteley (17 Nov 1949-26 May 1994)
  4th: William Francis Whiteley (26 May 1994- )

Baron Marchwood, of Penang, and of Marchwood, co. Southampton    [United Kingdom, 1937]
  1st: Frederick George Penny (8 Jun 1937-1 Jan 1955)
  2nd: Peter George Penny (1 Jan 1955-6 Apr 1979)
  3rd: David George Staveley Penny (6 Apr 1979- )

Baron Margadale, of Isley, co. Argyll    [United Kingdom, 1965]
  1st: John Granville Morrison (1 Jan 1965-26 May 1996)
  2nd: James Ian Morrison (25 May 1996-6 Apr 2003)
  3rd: Alastair John Morrison (6 Apr 2003- )

Baron Marjoribanks, of Ladykirk    [United Kingdom, 1873]
  1st: David Robertson (12 Jun 1873-19 Jun 1873)

Baron Marks, of Woolwich, co. Kent    [United Kingdom, 1929]
  1st: George Croydon Marks (16 Jul 1929-24 Sep 1938)

Baron Marks of Broughton, of Sunningdale, co. Berks    [United Kingdom, 1961]
  1st: Simon Marks (10 Jul 1961-8 Dec 1964)
  2nd: Michael Marks (8 Dec 1964-9 Sep 1998)
  3rd: Simon Richard Marks (9 Sep 1998- )

Baron Marshall of Chipstead, of Chipstead, co. Surrey    [United Kingdom, 1921]
  1st: Horace Brooks Marshall (14 Jan 1921-29 Mar 1936)

Baron Martonmere, of Blackpool in the County Palatine of Lancaster    [United Kingdom, 1964]
  1st: John Roland Robinson (13 May 1964-May 1989)
  2nd: John Stephen Robinson (May 1989- )

Baron Maryborough of Maryborough    [United Kingdom, 1821]
  1st: William Wellesley-Pole (17 Jul 1821-22 Feb 1845)
  2nd: William Pole-Tylney-Long-Wellesley (22 Feb 1845-1 Jul 1857)
  3rd: William Richard Arthur Pole-Tylney-Long-Wellesley (1 Jul 1857-25 Jul 1863)

Baron Masham of Swinton, co. York    [United Kingdom, 1891]
  1st: Samuel Cunliffe-Lister (15 Jul 1891-2 Feb 1906)
  2nd: Samuel Cunliffe Cunliffe-Lister (2 Feb 1906-24 Jan 1917)
  3rd: John Cunliffe Cunliffe-Lister (24 Jan 1917-4 Jan 1924)

Baron Massy of Duntrileague, co. Limerick    [Ireland, 1776]
  1st: Hugh Massy (4 Aug 1776-30 Jan 1788)
  2nd: Hugh Massy (30 Jan 1788-10 May 1790)
  3rd: Hugh Massy (10 May 1790-20 Jun 1812)
  4th: Hugh Hamon Massy (20 Jun 1812-27 Feb 1836)
  5th: Hugh Hamon Ingoldsby Massy (27 Sep 1836-27 Feb 1874)
  6th: John Thomas William Massy (27 Feb 1874-28 Nov 1915)
  7th: Hugh Somerset John Massy (28 Nov 1915-20 Oct 1926)
  8th: Hugh Hamon Charles George Massy (20 Oct 1926-20 Mar 1958)
  9th: Hugh Hamon John Somerset Massy Massy (20 Mar 1958-5 Aug 1995)
10th: David Hamon Somerset Massy (5 Aug 1995- )

Baron Mathers, of Newtown St. Boswells, co. Roxborough    [United Kingdom, 1952]
  1st: George Mathers (30 Jan 1952-26 Sep 1965)

Baron de Mauley of Canford, co. Dorset    [United Kingdom, 1838]
  1st: William Francis Spencer Ponsonby (10 Jul 1838-16 May 1855)
  2nd: Charles Frederick Ashley Cooper Ponsonby (16 May 1855-24 Aug 1896)
  3rd: William Ashley Webb Ponsonby (24 Aug 1896-13 Apr 1918)
  4th: Maurice John George Ponsonby (13 Apr 1918-15 Mar 1945)
  5th: Hubert William Ponsonby (15 Mar 1945-13 Sep 1962)
  6th: Gerald John Ponsonby (13 Sep 1962-17 Oct 2002)
  7th: Rupert Charles Ponsonby (17 Oct 2002- )

Baron McCorquodale of Newton, in the County Palatine of Lancaster    [United Kingdom, 1955]
  1st: Malcolm Stewart McCorquodale (2 Sep 1955-25 Sep 1971)

Baron McEntee, of Walthamstow, co. Essex    [United Kingdom, 1951]
  1st: Valentine La Touche McEntee (26 Jun 1951-11 Feb 1953)

Baron McGowan, of Ardeer, co. Ayr    [United Kingdom, 1937]
  1st: Harry Duncan McGowan (24 Feb 1937-13 Jul 1961)
  2nd: Harry Wilson McGowan (13 Jul 1961-5 Jul 1986)
  3rd: Harry Duncan McGowan (5 Jul 1986-6 May 2003)
  4th: Harry John Charles McGowan (6 May 2003- )

Baron McNair, of Gleniffer, co. Renfrew    [United Kingdom, 1955]
  1st: Arnold Duncan McNair (4 Aug 1955-22 May 1975)
  2nd: Clement John McNair (22 May 1975-7 Aug 1989)
  3rd: Duncan James McNair (7 Aug 1989- )

Baron Medway of Hemsted Park, co. Kent    [United Kingdom, 1892]
  1st: Gathorne Gathorne-Hardy (22 Aug 1892-30 Oct 1906)
  2nd: John Stewart Gathorne-Hardy (30 Oct 1906-13 Jul 1911)
  3rd: Gathorne Gathorne-Hardy (13 Jul 1911-23 Dec 1915)
  4th: John David Gathorne-Hardy (23 Dec 1915-22 Nov 1978)
  5th: Gathorne Gathorne-Hardy (22 Nov 1978- )

Baron Melchett    [United Kingdom, 1928]
  1st: Alfred Moritz Mond (15 Jun 1928- )

Baron Meldrum of Morven, co. Aberdeen    [United Kingdom, 1815]
  1st: George Gordon (11 Aug 1815-17 Jun 1853)
  2nd: Charles Gordon (17 Jun 1853-18 Sep 1863)
  3rd: Charles Gordon (18 Sep 1863-20 Feb 1937)
  4th: Douglas Charles Lindsey Gordon (20 Feb 1937-1987)
  5th: Granville Charles Gomer Gordon (1987- )

Baron Melrose of Tyninghame, co. Haddington    [United Kingdom, 1827]
  1st: Thomas Hamilton (24 Jul 1827-1 Dec 1858)

Lord Melville of Monymaill    [Scotland, 1616]
  1st: Robert Melville (30 Apr 1616-1621)
  2nd: Robert Melville (1621-9 Mar 1635)
  3rd: John Melville (19 Mar 1635-22 May 1643)
  4th: George Melville (8 Apr 1690-20 May 1707)
  5th: David Leslie (20 May 1707-6 Jun 1728)
  6th: David Leslie (6 Jun 1728-Jun 1729)
  7th: Alexander Leslie (Jun 1729-2 Sep 1754)
  8th: David Leslie (2 Sep 1754-9 Jun 1802)
  9th: Alexander Leslie-Melville (9 Jun 1802-22 Feb 1820)
10th: David Leslie-Melville (22 Feb 1820-8 Oct 1860)
11th: John Thornton Leslie-Melville (8 Oct 1860-9 Sep 1876)
12th: Alexander Leslie-Melville (9 Sep 1876-22 Oct 1889)
13th: Ronald Ruthven Leslie Melville (22 Oct 1889-21 Aug 1906)
14th: John David Leslie Melville (21 Aug 1906-11 Jun 1913)
15th: Archibald Alexander Leslie Melville (11 Jun 1913-15 Jan 1947)
16th: Alexander Robert Leslie Melville (15 Jan 1947-7 Apr 2012)
17th: Alexander Ian Leslie Melville (7 Apr 2012- )

Baron Mendip of Mendip    [Great Britain, 1794]
  1st: Welbore Ellis (13 Aug 1794-2 Feb 1802)
  2nd: Henry Welbore Ellis (2 Feb 1802-13 Jul 1836)

Baron Meredyth, of Dollardstown, co. Meath    [United Kingdom, 1866]
  1st: William Meredyth Somerville (3 May 1866-7 Dec 1873)
  2nd: James Herbert Gustavus Meredyth Somerville (7 Dec 1873-8 Jan 1929)

Baron Merriman, of Knutsford in the County Palatine of Chester    [United Kingdom, 1941]
  1st: Frank Boyd Merriman (27 Jan 1941-18 Jan 1962)

Baron Meston, of Agra and Dunottar, co. Kincardine    [United Kingdom, 1919]
  1st: James Scorgie Meston (29 Nov 1919-7 Oct 1943)
  2nd: Dougall Meston (7 Oct 1943-2 Jan 1984)
  3rd: James Meston (2 Jan 1984- )

Lord Methven    [Scotland, 1528]
  1st: Henry Stewart (17 Jul 1528-a 10 Oct 1551)
  2nd: Henry Stewart (a 10 Oct 1551-3 Mar 1572)
  3rd: Henry Stewart (3 Mar 1572-c 1580)

Lord Milbroke, co. Bedford    [England, 1442]
  1st: John Cornwall (30 Jun 1442-11 Dec 1443)

Baron Mildmay of Flete, of Totnes, co. Devon    [United Kingdom, 1922]
  1st: Francis Bingham Mildmay (20 Nov 1922-8 Feb 1947)
  2nd: Anthony Bingham Mildmay (8 Feb 1947-12 May 1950)

Baron Milner, of St. James's London and Capetown in the Colony of Good Hope    [United Kingdom, 1901]
  1st: Alfred Milner (27 May 1901-13 May 1925)

Baron Milton, co. Kent    [England, 1689]
  1st: Henry Sydney (9 Apr 1689-8 Apr 1704)

Baron Minster of Minster Abbey, co. Kent    [United Kingdom, 1821]
  1st: Henry Conyngham (17 Jul 1821-28 Dec 1832)
  2nd: Francis Nathaniel Conyngham (11 Oct 1861-17 Jul 1876)
  3rd: George Henry Conyngham (17 Jul 1876-2 Jun 1882)
  4th: Henry Francis Conyngham (2 Jun 1882-28 Aug 1897)
  5th: Victor George Henry Francis Conyngham (28 Aug 1897-9 Nov 1918)
  6th: Frederick William Burton Conyngham (9 Nov 1918-1 Apr 1974)
  7th: Frederick William Henry Francis Conyngham (1 Apr 1974-3 Mar 2009)
  8th: Henry Vivien Pierpont Conyngham (3 Mar 2009- )

Baron Minto of Minto, co. Roxburgh    [Great Britain, 1797]
  1st: Gilbert Elliot-Murray-Kynynmound (20 Oct 1797-21 Jun 1814)
  2nd: Gilbert Elliot-Murray-Kynynmound (21 Jun 1814-31 Jul 1859)
  3rd: William Hugh Elliot-Murray-Kynynmound (31 Jul 1859-17 Mar 1891)
  4th: Gilbert John Elliot-Murray-Kynynmound (17 Mar 1891-1 Mar 1914)
  5th: Victor Gilbert Lariston Garnet Elliot-Murray-Kynynmound (1 Mar 1914-11 Jan 1975)
  6th: Gilbert Edward George Lariston Elliot-Murray-Kynynmound (11 Jan 1975-7 Sep 2005)
  7th: Gilbert Timothy George Lariston Elliot-Murray-Kynynmound (7 Sep 2005- )

Baron Monck of Potheridge, Beauchamp and Teyes    [England, 1660]
  1st: George Monck (7 Jul 1660-3 Jan 1670)
  2nd: Christopher Monck (3 Jan 1670-6 Oct 1688)

Baron Monckton of Serlby, co. Nottingham    [United Kingdom, 1887]
  1st: George Edward Milnes Monckton-Arundell (4 Jul 1887-7 Mar 1931)
  2nd: George Vere Arundell Monckton-Arundell (7 Mar 1931-27 Mar 1943)
  3rd: Simon George Robert Monckton-Arundell (27 Mar 1943-1 Jan 1971)
  4th: William Arundell Monckton-Arundell (1 Jan 1971-15 Aug 1977)
  5th: Edmund Savile Monckton-Arundell (15 Aug 1977-1980)
  6th: George Rupert Monckton (1980- )

Lord Montagu    [England, 1461]
  1st: John Neville (23 May 1461-14 Apr 1471)
  2nd: George Neville (14 Apr 1471-4 May 1483)

Lord Montagu    [England, 1514]
  1st: Henry Pole (12 Oct 1514-9 Jan 1539)

Baron Montagu of Boughton    [England, 1621]
  1st: Edward Montagu (29 Jun 1621-15 Jun 1644)
  2nd: Edward Montagu (15 Jun 1644-10 Jan 1684)
  3rd: Ralph Montagu (10 Jan 1684-9 Mar 1709)
  3rd: John Montagu (9 Mar 1709-5 Jul 1749)

Baron Montagu of Boughton, co. Northampton    [Great Britain, 1762]
  1st: John Montagu (8 May 1762-11 Apr 1770)

Baron Montagu of Boughton, co. Northampton    [Great Britain, 1786]
  1st: George Montagu (21 Aug 1786-23 May 1790)
  2nd: Henry James Montagu-Scott (23 May 1790-30 Oct 1845)

Baron de Montalt of Hawarden, co. Tipperary    [Ireland, 1776]
  1st: Thomas Maude (18 Jul 1776-17 May 1777)

Baron de Montalt of Hawarden, co. Tipperary    [Ireland, 1785]
  1st: Cornwallis Maude (29 Jun 1785-23 Aug 1803)
  2nd: Thomas Ralph Maude (23 Aug 1803-26 Feb 1807)
  3rd: Cornwallis Maude (26 Feb 1807-12 Oct 1856)
  4th: Cornwallis Maude (12 Oct 1856-9 Jan 1905)
  5th: Robert Henry Maude (9 Jan 1905-6 Sep 1908)
  6th: Robert Cornwallis Maude (6 Sep 1908-26 Aug 1914)
  7th: Eustace Wyndham Maude (26 Aug 1914-6 Apr 1958)
  8th: Robert Leslie Eustace Maude (6 Apr 1958-1991)
  9th: Robert Connan Wyndham Leslie Maude (1991- )

Lord Monteagle    [England, 1514]
  1st: Edward Stanley (21 May 1514-bt 1523-1523)
  2nd: Thomas Stanley (7 Apr 1523-25 Aug 1560)
  3rd: William Stanley (25 Aug 1560-10 Nov 1581)

Lord Montgomerie    [Scotland, 1445]
  1st: Alexander Montgomerie (c 3 Jul 1445-1470)
  2nd: Hugh Montgomerie (1470-Jun 1545)
  3rd: Hugh Montgomerie (Jun 1545-3 Sep 1546)
  4th: Hugh Montgomerie (3 Sep 1546-3 Jun 1585)
  5th: Hugh Montgomerie (3 Jun 1585-bt 1586-1586)
  6th: Hugh Montgomerie (Apr 1586-4 Sep 1612)
  7th: Alexander Montgomerie (4 Sep 1612-7 Jan 1661)
  8th: Hugh Montgomerie (7 Jan 1661-Feb 1669)
  9th: Alexander Montgomerie (1669-1701)
10th: Alexander Montgomerie (1701-18 Feb 1729)
11th: Alexander Montgomerie (18 Feb 1729-25 Oct 1769)
12th: Archibald Montgomerie (25 Oct 1769-30 Oct 1796)
13th: Hugh Montgomerie (30 Oct 1796-14 Dec 1819)
14th: Archibald Montgomerie (14 Dec 1819-4 Oct 1861)
15th: Archibald William Montgomerie (4 Oct 1861-30 Aug 1892)
16th: George Arnulph Montgomerie (30 Aug 1892-10 Aug 1919)
17th: Archibald Seton Montgomerie (10 Aug 1919-22 Apr 1945)
18th: Archibald William Alexander Montgomerie (22 Apr 1945-1966)
19th: Archibald George Montgomerie (1966- )

Baron Monypenny, 12th of Pitmilly    [United Kingdom, 1466]
12th: Thomas Monypenny (1466-1479)

Baron Monypenny, of Pitmilly, co. Fife    [United Kingdom, 1987]
30th: Peter John Gybbon-Monypenny (7 Oct 1987- )

Baron Moore of Mellefont, co. Louth    [Ireland, 1616]
  1st: Garret Moore (20 Jul 1616-9 Nov 1627)
  2nd: Charles Moore (9 Nov 1627-7 Aug 1643)
  3rd: Henry Moore (7 Aug 1643-12 Jan 1676)
  4th: Charles Moore (11 Jan 1675-18 Jun 1679)
  5th: Henry Hamilton-Moore (18 Jun 1679-7 Jun 1714)
  6th: Henry Moore (7 Jun 1714-28 May 1727)
  7th: Edward Moore (28 May 1727-28 Oct 1758)
  8th: Charles Moore (28 Oct 1758-22 Dec 1822)
  9th: Edward Moore (22 Dec 1822-6 Feb 1837)
10th: Henry Francis Seymour Moore (6 Feb 1837-29 Jun 1892)
11th: Ponsonby William Moore (29 Jun 1892-28 Oct 1908)
12th: Henry Charles Ponsonby Moore (28 Oct 1908-22 Nov 1957)
13th: Charles Garrett Ponsonby Moore (22 Nov 1957-1989)
14th: Henry Dermot Ponsonby Moore (1989- )

Baron Moore of Moore Place, co. Kent    [United Kingdom, 1801]
  1st: Charles Moore (17 Jan 1801-22 Dec 1822)
  2nd: Edward Moore (22 Dec 1822-6 Feb 1837)
  3rd: Henry Francis Seymour Moore (6 Feb 1837-29 Jun 1892)

Lord Mordington    [Scotland, 1641]
  1st: James Douglas (14 Nov 1641-11 Feb 1656)

Baron Moreton of Tortworth, co. Gloucester    [United Kingdom, 1837]
  1st: Thomas Reynolds-Moreton (28 Jan 1837-22 Jun 1840)
  2nd: Henry George Francis Reynolds-Moreton (22 Jun 1840-2 Jun 1853)
  3rd: Henry John Reynolds-Moreton (2 Jun 1853-28 Oct 1921)
  4th: Berkeley Basil Moreton (28 Oct 1921-7 Aug 1924)
  5th: Capel Henry Berkeley Reynolds Moreton (7 Aug 1924-17 Jun 1952)
  6th: Basil Howard Moreton (17 Jun 1952-1991)
  7th: David Leslie Moreton (1991- )

Baron of Mornington    [Ireland, 1746]
  1st: Richard Wesley (9 Jul 1746-31 Jan 1758)
  2nd: Garret Wesley (31 Jan 1758-22 May 1781)
  3rd: Richard Wellesley (22 May 1781-26 Sep 1842)
  4th: William Wellesley-Pole (26 Sep 1842-22 Feb 1845)
  5th: William Pole-Tylney-Long-Wellesley (22 Feb 1845-1 Jul 1857)
  6th: William Richard Arthur Pole-Tylney-Long-Wellesley (1 Jul 1857-25 Jul 1863)
  7th: Arthur Richard Wellesley (25 Jul 1863-13 Aug 1884)
  8th: Henry Wellesley (13 Aug 1884-8 Jun 1900)
  9th: Arthur Charles Wellesley (8 Jun 1900-18 Jun 1934)
10th: Arthur Charles Wellesley (18 Jun 1934-11 Dec 1941)
11th: Henry Valerian George Wellesley (11 Dec 1941-16 Sep 1943)
12th: Gerald Wellesley (16 Sep 1943-4 Jan 1972)
13th: Arthur Valerian Wellesley (4 Jan 1972- )

Baron Mottistone, of Mottistone, co. Southampton    [United Kingdom, 1933]
  1st: John Edward Bernard Seely (21 Jun 1933-7 Nov 1947)
  2nd: Henry John Alexander Seely (7 Nov 1947-18 Jan 1963)
  3rd: Arthur Patrick William Seely (18 Jan 1963-4 Dec 1966)
  4th: David Peter Seely (4 Dec 1966-24 Nov 2011)

Baron Mount Eagle, of Westport, co. Mayo    [Ireland, 1760]
  1st: John Browne (10 Sep 1760-4 Jul 1776)
  2nd: Peter Browne (4 Jul 1776-28 Dec 1780)
  3rd: John Denis Browne (28 Dec 1780-2 Jun 1809)

Baron Mount Sandford of Castlerea, co. Roscommon    [Ireland, 1800]
  1st: Henry Moore Sandford (31 Jul 1800-29 Dec 1814)
  2nd: Henry Sandford (29 Dec 1814-14 Jun 1828)

Baron Mount Stephen, of Mount Stephen, in the Province of British Columbia and Dominion of Canada, and of Dufftown, co. Banff    [United Kingdom, 1891]
  1st: George Stephen (23 Jun 1891-29 Nov 1921)

Baroness Mount Stuart of Wortley, co. York    [Great Britain, 1761]
  1st: Mary Wortley-Montagu (3 Apr 1761-6 Nov 1794)
  2nd: John Stuart (6 Nov 1794-16 Nov 1814)
  3rd: John Crichton-Stuart (16 Nov 1814-18 Mar 1848)
  4th: John Patrick Crichton-Stuart (18 Mar 1848-9 Oct 1900)
  5th: John Crichton-Stuart (9 Oct 1900-25 Apr 1947)
  6th: John Crichton-Stuart (25 Apr 1947-14 Aug 1956)
  7th: John Crichton-Stuart (14 Aug 1956-22 Jul 1993)
  8th: John Colum Crichton-Stuart (22 Jul 1993- )

Baron Mount Temple, of Lee, co. Southampton    [United Kingdom, 1932]
  1st: Wilfred William Ashley (13 Jan 1932-3 Jul 1939)

Baron Mount Temple of Mount temple, co. Sligo    [United Kingdom, 1880]
  1st: William Francis Cowper-Temple (25 May 1880-17 Oct 1888)

Baron Mountcastle, co. Tyrone    [Ireland, 1701]
  1st: James Hamilton (2 Dec 1701-28 Nov 1734)
  2nd: James Hamilton (28 Nov 1734-11 Jan 1744)
  3rd: James Hamilton (23 Mar 1736-9 Oct 1789)
  4th: John James Hamilton (9 Oct 1789-27 Jan 1818)
  5th: James Hamilton (27 Jan 1818-31 Oct 1885)
  6th: James Hamilton (31 Oct 1885-3 Jan 1913)
  7th: James Albert Edward Hamilton (3 Jan 1913-12 Sep 1953)
  8th: James Edward Hamilton (12 Sep 1953-4 Jun 1979)
  9th: James Hamilton (4 Jun 1979- )

Baron Mountevans    [United Kingdom, 1945]
  1st: Edward Ratcliffe Garth Russell Evans (12 Nov 1945-20 Aug 1958)

Baron Mountflorence of Florence Court, co. Fermanagh    [Ireland, 1760]
  1st: John Cole (8 Sep 1760-30 Nov 1767)
  2nd: William Willoughby Cole (30 Nov 1767-22 May 1803)
  3rd: John Willoughby Cole (22 May 1803-31 Mar 1840)
  4th: William Willoughby Cole (31 Mar 1840-12 Nov 1886)
  5th: Lowry Egerton Cole (12 Nov 1886-28 Apr 1924)
  6th: John Henry Michael Cole (28 Apr 1924-19 Feb 1963)
  7th: David Lowry Cole (19 Feb 1963-30 May 1989)
  8th: Andrew John Gilbraith Cole (30 May 1989- )

Baron Mountjoy, in the Isle of Wight    [Great Britain, 1711]
  1st: Thomas Windsor (31 Dec 1711-8 Jun 1738)
  2nd: Herbert Hickman-Windsor (8 Jun 1738-25 Jan 1758)

Baron Mountmorres, of Castlemorres, co. Kilkenny    [Ireland, 1756]
  1st: Hervey Morres (4 May 1756-6 Apr 1766)
  2nd: Hervey Redmond Morres (6 Apr 1776-17 Aug 1797)
  3rd: Francis Hervey Montmorency (17 Aug 1797-23 Mar 1833)
  4th: Hervey Montmorency (23 Mar 1833-23 Jan 1872)
  5th: William Browne Montmorency (23 Jan 1872-25 Sep 1880)
  6th: William Geoffrey Bouchard Montmorency (25 Sep 1880-2 Dec 1936)
  7th: Arthur Hervé Alberic Bouchard Montmorency (15 Oct 1931-15 Oct 1951)

Lord Mountstuart, Cumra and Inchmarnock    [Scotland, 1703]
  1st: James Stuart (14 Apr 1703-4 Jun 1710)
  2nd: James Stuart (4 Jun 1710-28 Jan 1723)
  3rd: John Stuart (28 Jan 1723-10 Mar 1792)
  4th: John Stuart (10 Mar 1792-16 Nov 1814)
  5th: John Crichton-Stuart (16 Nov 1814-18 Mar 1848)
  6th: John Patrick Crichton-Stuart (18 Mar 1848-9 Oct 1900)
  7th: John Crichton-Stuart (9 Oct 1900-25 Apr 1947)
  8th: John Crichton-Stuart (25 Apr 1947-14 Aug 1956)
  9th: John Crichton-Stuart (14 Aug 1956-22 Jul 1993)
10th: John Colum Crichton-Stuart (22 Jul 1993- )

Baron Moyarta    [Ireland, 1662]
  1st: Daniel O'Brien (11 Jul 1662-1663)
  2nd: Connor O'Brien (c 1666-c 1670)
  3rd: Daniel O'Brien (c 1670-c 1691)

Baron Muir Mackenzie, of Delvine, co. Perth    [United Kingdom, 1915]
  1st: Kenneth Augustus Muir Mackenzie (29 Jun 1915-22 May 1930)

Baron Mulgrave    [Ireland, 1767]
  1st: Constantine Phipps (1767-13 Sep 1775)

Baron Muncaster    [Ireland, 1783]
  1st: John Pennington (21 Oct 1783-8 Oct 1813)
  2nd: Lowther Pennington (8 Oct 1813-29 Jul 1818)
  3rd: Lowther Augustus John Pennington (29 Jul 1818-30 Apr 1838)
  4th: Gamel Augustus Pennington (30 Apr 1838-13 Jun 1862)
  5th: Josslyn Francis Pennington (13 Jun 1862-30 Mar 1917)

Baron Murray, of Stanley, co. Gloucester    [Great Britain, 1786]
  1st: John Murray (18 Aug 1786-29 Sep 1830)
  2nd: John Murray (29 Sep 1830-14 Sep 1846)
  3rd: George Augustus Frederick John Murray (14 Sep 1846-16 Jan 1864)
  4th: John James Hugh Henry Stewart-Murray (16 Jan 1864-20 Jan 1917)
  5th: John George Stewart-Murray (20 Jan 1917-16 Mar 1942)
  6th: James Thomas Stewart-Murray (16 Mar 1942-8 May 1957)

Lord Murray of Blair, Moulin and Tillemot    [Scotland, 1686]
  1st: Charles Murray (16 Aug 1686-19 Apr 1710)
  2nd: John Murray (19 Apr 1710-18 Apr 1752)
  3rd: William Murray (18 Apr 1752-1 Dec 1756)
  4th: John Murray (1 Dec 1756-25 Feb 1809)
  5th: George Murray (25 Feb 1809-11 Nov 1836)
  6th: Alexander Edward Murray (11 Nov 1836-15 Jul 1845)
  7th: Charles Adolphus Murray (15 Jul 1845-27 Aug 1907)
  8th: Alexander Edward Murray (27 Aug 1907-29 Jan 1962)
  9th: John Alexander Murray (29 Jan 1962-1980)
10th: Reginald Arthur Murray (1980-1981)
11th: Kenneth Randolph Murray (1981-28 Sep 1995)
12th: Malcolm Kenneth Murray (28 Sep 1995- )

Baron Murray of Elibank, of Elibank. co. Selkirk    [United Kingdom, 1912]
  1st: Alexander William Charles Oliphant Murray (13 Aug 1912-13 Sep 1920)

Lord Murray of Lochmaben    [Scotland, 1622]
  1st: John Murray (28 Jun 1622-22 Sep 1640)
  2nd: James Johnstone Murray (22 Sep 1640-28 Dec 1658)

Lord Murray of Tullibardine    [Scotland, 1604]
  1st: John Murray (25 Apr 1604-bt 1613-1613)
  2nd: William Murray (c Aug 1613-c Jul 1627)
  3rd: Patrick Murray (c Jul 1627-5 Sep 1644)
  4th: James Murray (5 Sep 1644-Jan 1670)
  5th: John Murray (Jan 1670-6 May 1703)
  6th: John Murray (6 May 1703-14 Nov 1724)
  7th: James Murray (9 Jul 1746-8 Jan 1764)
  8th: John Murray (8 Jan 1764-5 Nov 1774)
  9th: John Murray (5 Nov 1774-29 Sep 1830)
10th: John Murray (29 Sep 1830-14 Sep 1846)
11th: George Augustus Frederick John Murray (14 Sep 1846-16 Jan 1864)
12th: John James Hugh Henry Stewart-Murray (16 Jan 1864-20 Jan 1917)
13th: John George Stewart-Murray (20 Jan 1917-16 Mar 1942)
14th: James Thomas Stewart-Murray (16 Mar 1942-8 May 1957)
15th: George Iain Murray (8 May 1957-27 Feb 1996)
16th: John Murray (27 Feb 1996-15 May 2012)
17th: Bruce George Ronald Murray (15 May 2012- )

Lord Murray of Tynningham    [Scotland, 1625]
  1st: John Murray (13 Mar 1625-22 Sep 1640)
  2nd: James Johnstone Murray (22 Sep 1640-28 Dec 1658)

Lord Murray, Balvany and Gask    [Scotland, 1676]
  1st: John Murray (7 Feb 1676-6 May 1703)
  2nd: John Murray (6 May 1703-14 Nov 1724)
  3rd: James Murray (9 Jul 1746-8 Jan 1764)
  4th: John Murray (8 Jan 1764-5 Nov 1774)
  5th: John Murray (5 Nov 1774-29 Sep 1830)
  6th: John Murray (29 Sep 1830-14 Sep 1846)
  7th: George Augustus Frederick John Murray (14 Sep 1846-16 Jan 1864)
  8th: John James Hugh Henry Stewart-Murray (16 Jan 1864-20 Jan 1917)
  9th: John George Stewart-Murray (20 Jan 1917-16 Mar 1942)
10th: James Thomas Stewart-Murray (16 Mar 1942-8 May 1957)
11th: George Iain Murray (8 May 1957-27 Feb 1996)
12th: John Murray (27 Feb 1996-15 May 2012)
13th: Bruce George Ronald Murray (15 May 2012- )

Lord Murray, Balvenie and Gask, co. Perth    [Scotland, 1703]
  1st: John Murray (30 Jun 1703-14 Nov 1724)
  2nd: James Murray (9 Jul 1746-8 Jan 1764)
  3rd: John Murray (8 Jan 1764-5 Nov 1774)
  4th: John Murray (5 Nov 1774-29 Sep 1830)
  5th: John Murray (29 Sep 1830-14 Sep 1846)
  6th: George Augustus Frederick John Murray (14 Sep 1846-16 Jan 1864)
  7th: John James Hugh Henry Stewart-Murray (16 Jan 1864-20 Jan 1917)
  8th: John George Stewart-Murray (20 Jan 1917-16 Mar 1942)
  9th: James Thomas Stewart-Murray (16 Mar 1942-8 May 1957)
10th: George Iain Murray (8 May 1957-27 Feb 1996)
11th: John Murray (27 Feb 1996-15 May 2012)
12th: Bruce George Ronald Murray (15 May 2012- )

Lord Murray, Gask and Balquhidder    [Scotland, 1606]
  1st: John Murray (10 Jul 1606-bt 1613-1613)
  2nd: William Murray (c Aug 1613-c Jul 1627)

Lord Murray, Gask and Balquhidder    [Scotland, 1628]
  1st: Patrick Murray (30 Jan 1628-5 Sep 1644)
  2nd: James Murray (5 Sep 1644-Jan 1670)
  3rd: John Murray (Jan 1670-6 May 1703)
  4th: John Murray (6 May 1703-14 Nov 1724)
  5th: James Murray (9 Jul 1746-8 Jan 1764)
  6th: John Murray (8 Jan 1764-5 Nov 1774)
  7th: John Murray (5 Nov 1774-29 Sep 1830)
  8th: John Murray (29 Sep 1830-14 Sep 1846)
  9th: George Augustus Frederick John Murray (14 Sep 1846-16 Jan 1864)
10th: John James Hugh Henry Stewart-Murray (16 Jan 1864-20 Jan 1917)
11th: John George Stewart-Murray (20 Jan 1917-16 Mar 1942)
12th: James Thomas Stewart-Murray (16 Mar 1942-8 May 1957)
13th: George Iain Murray (8 May 1957-27 Feb 1996)
14th: John Murray (27 Feb 1996-15 May 2012)
15th: Bruce George Ronald Murray (15 May 2012- )

Baron Muskerry, co. Cork    [Ireland, 1781]
  1st: Robert Tilson Deane (5 Jan 1781-25 Jun 1818)
  2nd: John Thomas FitzMaurice Deane (25 Jun 1818-24 Dec 1824)
  3rd: Matthew FitzMaurice Deane (24 Dec 1824-19 May 1868)
  4th: Hamilton Matthew Tilson FitzMaurice Deane-Morgan (19 May 1868-9 Jun 1929)
  5th: Robert Matthew FitzMaurice Deane-Morgan (9 Jun 1929-12 Jul 1952)
  6th: Mathew Chichester Cecil FitzMaurice Deane-Morgan (12 Jul 1952-3 May 1954)
  7th: Matthew FitzMaurice Tilson Deane (3 May 1954-2 Nov 1966)
  8th: Hastings FitzMaurice Tilson Deane (2 Nov 1966-14 Oct 1988)
  9th: Robert FitzMaurice Deane (14 Oct 1988- )

Baron Naas of Naas, co. Kildare    [Ireland, 1776]
  1st: John Bourke (1 Aug 1776-2 Dec 1790)
  2nd: John Bourke (2 Dec 1790-20 Apr 1792)
  3rd: Joseph Deane Bourke (20 Apr 1792-20 Aug 1794)
  4th: John Bourke (20 Aug 1794-23 May 1849)
  5th: Robert Bourke (23 May 1849-12 Aug 1867)
  6th: Richard Southwell Bourke (12 Aug 1867-8 Feb 1872)
  7th: Dermot Robert Wyndham Bourke (8 Feb 1872-31 Dec 1927)
  8th: Walter Longley Bourke (31 Dec 1927-6 May 1939)
  9th: Ulick Henry Bourke (6 May 1939-17 Dec 1962)
10th: Terence Patrick Bourke (17 Dec 1962-22 Sep 2006)
11th: Charles Diarmuidh John Bourke (22 Sep 2006- )

Lord Napier of Merchistoun    [Scotland, 1627]
  1st: Archibald Napier (4 May 1627-Nov 1645)
  2nd: Archibald Napier ( -4 Sep 1658)
  5th: Margaret Napier (9 Jun 1688- )
13th: William Francis Cyril James Hamilton Napier ( -23 Aug 1954)

Lord Neville    [England, 1459]
  1st: John Neville (20 Nov 1459-29 Mar 1461)
  3rd: Ralph Neville (6 Oct 1472-6 Feb 1499)
  4th: Ralph Neville (6 Feb 1499-24 Apr 1549)
  5th: Henry Neville (24 Apr 1549-10 Feb 1564)
  6th: Charles Neville (10 Feb 1564-16 Nov 1601)

Lord Neville, of Essex    [England, 1311]
  1st: Hugh Neville (19 Dec 1311-b 27 May 1335)
  2nd: John Neville (b 27 May 1335-25 Jul 1358)

Lord Neville, of Raby    [England, 1295]
  1st: Ranulf Neville (24 Jun 1295-c 18 Apr 1331)
  2nd: Ralph Neville (a 18 Apr 1331-5 Aug 1367)
  3rd: John Neville (5 Aug 1367-17 Oct 1388)
  4th: Ralph Neville (17 Oct 1388-21 Oct 1425)
  5th: Ralph Neville (21 Oct 1425-3 Nov 1484)
  6th: Ralph Neville (3 Nov 1484-6 Feb 1499)
  7th: Ralph Neville (6 Feb 1499-24 Apr 1549)
  8th: Henry Neville (24 Apr 1549-10 Feb 1564)
  9th: Charles Neville (10 Feb 1564-16 Nov 1601)

Lord Neville of Halumshire    [England, 1383]
  1st: Thomas Neville (20 Aug 1383-24 Mar 1407)

Baron Newark of Newark-on-Trent, co. Nottingham    [Great Britain, 1796]
  2nd: Charles Herbert Pierrepont (17 Jun 1816-27 Oct 1860)
  3rd: Sydney William Herbert Pierrepont (27 Oct 1860-16 Jan 1900)
  4th: Charles William Sydney Pierrepont (16 Jan 1900-17 Jul 1926)
  5th: Evelyn Robert Pierrepont (17 Jul 1926-6 Apr 1940)
  6th: Gervas Evelyn Pierrepont (17 Jul 1926-13 Feb 1955)

Baron Newborough of Newborough, co. Wexford    [Ireland, 1715]
  1st: George Cholmondeley (12 Apr 1715-7 May 1733)
  2nd: George Cholmondeley (7 May 1733-10 Jun 1770)
  3rd: George James Cholmondeley (10 Jun 1770-10 Apr 1827)
  4th: George Horatio Cholmondeley (10 Apr 1827-8 May 1870)
  5th: William Henry Hugh Cholmondeley (8 May 1870-16 Dec 1884)
  6th: George Henry Hugh Cholmondeley (16 Dec 1884-16 Mar 1923)
  7th: George Horatio Charles Cholmondeley (16 Mar 1923-16 Sep 1968)
  8th: George Hugh Cholmondeley (16 Sep 1968-13 Mar 1990)
  9th: David George Philip Cholmondeley (13 Mar 1990- )

Lord Newbottle    [Scotland, 1591]
  1st: Mark Kerr (15 Oct 1591-8 Apr 1609)
  2nd: Robert Kerr (8 Apr 1609-6 Mar 1624)

Baron Newburgh, in the Isle of Anglesey    [Great Britain, 1716]
  1st: George Cholmondeley (10 Jul 1716-7 May 1733)
  2nd: George Cholmondeley (7 May 1733-10 Jun 1770)
  3rd: George James Cholmondeley (10 Jun 1770-10 Apr 1827)
  4th: George Horatio Cholmondeley (5 Jan 1822-8 May 1870)
  5th: William Henry Hugh Cholmondeley (8 May 1870-16 Dec 1884)
  6th: George Henry Hugh Cholmondeley (16 Dec 1884-16 Mar 1923)
  7th: George Horatio Charles Cholmondeley (16 Mar 1923-16 Sep 1968)
  8th: George Hugh Cholmondeley (16 Sep 1968-13 Mar 1990)
  9th: David George Philip Cholmondeley (13 Mar 1990- )

Baron of Newbury, co. Berks    [England, 1675]
  1st: Charles Fitzroy (10 Sep 1675-9 Sep 1730)
  2nd: William Fitzroy (9 Sep 1730-18 May 1774)

Baroness Newcomen    [Ireland, 1800]
  1st: Charlotte Newcomen (29 Jul 1800-16 May 1817)

Baron Newlands, of Newlands, and Barrowfield, in the county of the city of Glasgow, and of Mauldslie Castle, co. Lanark    [United Kingdom, 1898]
  1st: William Wallace Hozier (19 Jan 1898-30 Jan 1906)
  2nd: James Henry Cecil Hozier (30 Jan 1906-5 Sep 1929)

Baron of Newnham Paddockes, co. Warwick    [England, 1620]
  1st: William Feilding (30 Dec 1620-8 Apr 1643)
  2nd: Basil Feilding (21 Mar 1628-28 Nov 1675)
  3rd: William Feilding (28 Nov 1675-23 Aug 1685)
  4th: Basil Feilding (23 Aug 1685-18 Mar 1717)
  5th: William Feilding (18 Mar 1717-2 Aug 1755)
  6th: Basil Feilding (2 Aug 1755-14 Jul 1800)
  7th: William Basil Percy Feilding (14 Jul 1800-25 Jun 1865)
  8th: Rudolph William Basil Feilding (25 Jun 1865-10 Mar 1892)
  9th: Rudolph Robert Basil Aloysius Augustine Feilding (10 Mar 1892-25 Nov 1939)
10th: William Rudolph Stephen Feilding (25 Nov 1939-31 Dec 1966)
11th: William Rudolph Michael Feilding (31 Dec 1966-23 Mar 1995)
12th: Alexander Steven Rudolph Feilding (23 Mar 1995- )

Baron Newport of High Ercall, co. Shropshire    [England, 1642]
  1st: Richard Newport (14 Oct 1642-8 Feb 1651)
  2nd: Francis Newport (8 Feb 1651-19 Sep 1708)
  3rd: Richard Newport (19 Sep 1708-14 Jun 1723)
  4th: Henry Newport (14 Jun 1723-23 Dec 1734)
  5th: Thomas Newport (23 Dec 1734-18 Apr 1762)

Baron Newtown, co. Donegal    [Ireland, 1718]
  1st: Richard Tynley (24 Apr 1718-Mar 1750)
  2nd: John Child (Mar 1750-17 Sep 1784)

Baron Nicholson, of Roundhay, co. York    [United Kingdom, 1912]
  1st: Willliam Gustavus Nicholson (11 Jul 1912-13 Sep 1918)

Baron Niddry of Niddry, co. Linlithgow    [United Kingdom, 1814]
  1st: John Hope (17 May 1814-27 Aug 1823)
  2nd: John Hope (27 Aug 1823-8 Apr 1843)
  3rd: John Alexander Hope (8 Apr 1843-1 Apr 1873)
  4th: John Adrian Louis Hope (1 Apr 1873-29 Feb 1908)
  5th: Victor Alexander John Hope (29 Feb 1908-5 Jan 1952)
  6th: Charles William Frederick Hope (5 Jan 1952-1987)
  7th: Adrian John Charles Hope (1987- )

Baron Noel of Ridlington, co. Rutland    [England, 1617]
  1st: Edward Noel (23 Mar 1617-8 Mar 1643)
  2nd: Baptist Noel (8 Mar 1643-29 Oct 1682)
  3rd: Edward Noel (29 Oct 1682-Jan 1689)
  4th: Wriothesley Baptist Noel (Jan 1689-21 Sep 1690)
  5th: Baptist Noel (21 Sep 1690-16 Apr 1714)
  6th: Baptist Noel (16 Apr 1714-21 Mar 1751)
  7th: Baptist Noel (21 Mar 1751-27 May 1759)
  8th: Henry Noel (27 May 1759-8 Apr 1798)

Baron Noel of Ridlington, co. Rutland    [United Kingdom, 1841]
  1st: Charles Noel (16 Aug 1841-10 Jun 1866)
  2nd: Charles George Noel (10 Jun 1866-13 Aug 1881)
  3rd: Charles William Francis Noel (13 Aug 1881-17 Apr 1926)
  4th: Arthur Edward Joseph Noel (17 Apr 1926-27 Aug 1927)
  5th: Anthony Gerard Edward Noel (27 Aug 1927-29 Dec 2009)
  6th: Anthony Baptist Noel (29 Dec 2009- )

Baron Noel of Titchfield, co. Southampton    [England, 1661]
  2nd: Wriothesley Baptist Noel (Jan 1689-21 Sep 1690)
  3rd: Baptist Noel (21 Sep 1690-16 Apr 1714)
  4th: Baptist Noel (16 Apr 1714-21 Mar 1751)
  5th: Baptist Noel (21 Mar 1751-27 May 1759)
  6th: Henry Noel (27 May 1759-8 Apr 1798)

Baron Noel of Titchfield, co. Southampton    [England, 1681]
  1st: Edward Noel (3 Feb 1681-Jan 1689)

Baron Noel-Buxton    [United Kingdom, 1930]
  1st: Noel Edward Noel-Buxton (17 Jun 1930- )

Baron Nonsuch, co. Surrey    [England, 1670]
  1st: Barbara Villiers (3 Aug 1670-9 Oct 1709)
  2nd: Charles Fitzroy (9 Oct 1709-9 Sep 1730)
  3rd: William Fitzroy (9 Sep 1730-18 May 1774)

Baron Norman, of St. Clere, co. Kent    [United Kingdom, 1944]
  1st: Montagu Collet Norman (13 Oct 1944-4 Feb 1950)

Baron Normanbrook, of Chelsea, co. London    [United Kingdom, 1964]
  1st: Norman Craven Brook (24 Jan 1964-15 Jun 1967)

Baron Northbrook, of Stratton, co. Southampton    [United Kingdom, 1866]
  1st: Francis Thornhill Baring (4 Jan 1866-6 Sep 1866)
  2nd: Thomas George Baring (6 Sep 1866-15 Nov 1904)
  3rd: Francis George Baring (15 Nov 1904-12 Apr 1929)
  4th: Francis Arthur Baring (12 Apr 1929-15 Dec 1947)
  5th: Francis John Baring (15 Dec 1947-4 Dec 1990)
  6th: Francis Thomas Baring (4 Dec 1990- )

Baron Northcliffe, of the Isle of Thanet, co. Kent    [United Kingdom, 1905]
  1st: Alfred Charles William Harmsworth (27 Dec 1905-14 Aug 1922)

Baron Northcote, of Exeter, co. Devon    [United Kingdom, 1900]
  1st: Henry Stafford Northcote (20 Jan 1900-29 Sep 1911)

Baron Northington of Watford, co. Northampton    [United Kingdom, 1885]
  1st: Anthony Henley (28 Jun 1885-27 Nov 1898)
  2nd: Frederic Henley (27 Nov 1898-23 Dec 1923)
  3rd: Anthony Ernest Henley (23 Dec 1923-23 Oct 1925)
  4th: Francis Robert Eden (23 Oct 1925-21 Apr 1962)
  5th: Michael Francis Eden (21 Apr 1962-20 Dec 1977)
  6th: Oliver Michael Robert Eden (20 Dec 1977- )

Baron Northwick of Northwick Park, co. Worcester    [Great Britain, 1797]
  1st: John Rushout (26 Oct 1797-20 Oct 1800)
  2nd: John Rushout (20 Oct 1800-20 Jan 1859)
  3rd: George Rushout (20 Jan 1859-11 Nov 1887)

Baron Norton, of Norton-on-the-Moors, co. Stafford    [United Kingdom, 1878]
  1st: Charles Bowyer Adderley (16 Apr 1878-28 Mar 1905)
  2nd: Charles Leigh Adderley (28 Mar 1905-4 Dec 1926)
  3rd: Ralph Bowyer Adderley (4 Dec 1926-17 Oct 1933)
  4th: Ronald Woolstan Fleetwood Adderley (17 Oct 1933-4 Jan 1944)
  5th: Henry Arden Adderley (4 Jan 1944-1 Jan 1945)
  6th: Hubert Bowyer Arden Adderley (1 Jan 1945-17 Feb 1961)
  7th: John Arden Adderley (17 Feb 1961-1993)

Baron Nuffield of Nuffield, co. Oxford    [United Kingdom, 1934]
  1st: William Richard Morris (13 Jan 1934-22 Aug 1963)

Baron Nugent, of Carlanstown, co. Westmeath    [Ireland, 1767]
  1st: Robert Nugent (19 Jan 1767-14 Oct 1788)

Baron Nugent, of West Harling, co. Norfolk    [United Kingdom, 1960]
  1st: Terence Edmund Gascoigne Nugent (22 Aug 1960-1973)

Baroness Nugent of Carlanstown, co. Westmeath    [Ireland, 1800]
  1st: Mary Elizabeth Nugent (26 Dec 1800-16 Mar 1812)
  2nd: George Grenville (16 Mar 1813-27 Nov 1850)

Baron Nugent of Riverston, co. Westmeath    [Ireland, 1689]
  1st: Thomas Nugent (3 Apr 1689-2 Apr 1715)

Baron Nunburnholme, of the City of Kingston upon Hull    [United Kingdom, 1906]
  6th: Stephen Charles Wilson (20 Nov 2000- )

Baron O'Brien, of Kilfenora, co. Clare    [United Kingdom, 1900]
  1st: Peter O'Brien (16 Jun 1900-7 Sep 1914)

Baron O'Brien of Burren, co. Clare    [Ireland, 1634]
  2nd: William O'Brien (9 Sep 1674-Jan 1692)
  3rd: William O'Brien (Jan 1692-24 Dec 1719)
  4th: William O'Brien (24 Dec 1719-18 Jul 1777)
  5th: Murrough O'Brien (18 Jul 1777-10 Feb 1808)
  6th: William O'Brien (10 Feb 1808-21 Aug 1846)
  7th: James O'Brien (21 Aug 1846-3 Jul 1855)

Baron O'Brien of Burren, co. Clare    [Ireland, 1654]
  1st: Morrogh O'Brien (21 Oct 1654-9 Sep 1674)

Baron O'Grady, of Rockbarton, co. Limerick    [Ireland, 1831]
  1st: Standish O'Grady (28 Jan 1831-21 Apr 1840)
  2nd: Standish Darby O'Grady (21 Apr 1840-22 Jul 1848)
  3rd: Standish O'Grady (22 Jul 1848-10 Apr 1860)
  4th: Paget Standish O'Grady (10 Apr 1840-1877)
  5th: Hardress Standish O'Grady (1877-1918)
  6th: Frederick Standish O'Grady (1918-11 Oct 1927)
  7th: Hugh Hamon Massy O'Grady (11 Oct 1927-1930)
  8th: Richard O'Grady (1930-1943)
  9th: Standish Bruce O'Grady (1943-15 Oct 1955)

Baron O'Rourke of Carha, co. Leitrim    [Ireland, 1727]
  1st: Owen O'Rourke (24 May 1727- )

Baron Oakley of Caversham, co. Oxford    [United Kingdom, 1831]
  1st: George Cadogan (10 Sep 1831-15 Sep 1864)
  2nd: Henry Charles Cadogan (15 Sep 1864-8 Jun 1873)
  3rd: George Henry Cadogan (8 Jun 1873-6 Mar 1915)
  4th: Gerald Oakley Cadogan (6 Mar 1915-4 Oct 1933)
  5th: William Gerald Charles Cadogan (4 Oct 1933-4 Jul 1997)
  6th: Charles Gerald John Cadogan (4 Jul 1997- )

Baron Oaksey, of Oaksey, co. Wilts.    [United Kingdom, 1947]
  1st: Geoffrey Lawrence Lawrence (13 Jan 1947-28 Aug 1971)
  2nd: John Geoffrey Tristram Lawrence (28 Aug 1971-5 Sep 2012)
  3rd: Patrick John Tristram Lawrence (5 Sep 2012- )

Lord Ochiltree    [Scotland, 1615]
  1st: James Stewart (9 Jun 1615-a 1658)
  2nd: William Stewart (c 1659-12 Feb 1675)

Baron of Offaly    [Ireland, 1554]
  1st: Gerald FitzGerald (13 May 1554-16 Nov 1585)
  2nd: Henry FitzGerald (16 Nov 1585-1 Aug 1597)
  3rd: William FitzGerald (1 Aug 1597-c Apr 1599)

Baroness Offaly    [Ireland, 1599]
  1st: Lettice FitzGerald (c 1599-1 Dec 1658)
  2nd: George FitzGerald (1 Dec 1658-1660)
  3rd: Wentworth FitzGerald (1660-5 Mar 1664)
  4th: John FitzGerald (5 Mar 1664-9 Nov 1707)
  5th: Robert FitzGerald (9 Nov 1707-20 Feb 1744)
  6th: James FitzGerald (20 Feb 1744-19 Nov 1773)
  7th: William Robert FitzGerald (19 Nov 1773-20 Oct 1804)
  8th: Augustus Frederick FitzGerald (20 Oct 1804-10 Oct 1874)
  9th: Charles William FitzGerald (10 Oct 1874-10 Feb 1887)
10th: Gerald FitzGerald (10 Feb 1887-1 Dec 1893)
11th: Maurice FitzGerald (1 Dec 1893-4 Feb 1922)
12th: Edward FitzGerald (4 Feb 1922-8 Mar 1976)
13th: Gerald FitzGerald (8 Mar 1976-3 Dec 2004)
14th: Maurice FitzGerald (3 Dec 2004- )

Lord Ogilvy of Airlie    [Scotland, 1491]
  1st: James Ogilvy (28 Apr 1491-b 25 Sep 1504)
  2nd: John Ogilvy (1504-b 9 Jan 1506)
  3rd: James Ogilvy (b 9 Jan 1506-bt 1513-1524)
  4th: James Ogilvy (29 Nov 1524-bt 1547-1548)
  5th: James Ogilvy (b 13 Jul 1548-Oct 1606)
  7th: James Ogilvy (bt 1616-1618-1665)
  8th: James Ogilvy (1665-1703)
  9th: David Ogilvy (1704-1717)
10th: David Ogilvy (26 May 1826-20 Aug 1849)
11th: David Graham Drummond Ogilvy (20 Aug 1849-25 Sep 1881)
12th: David Stanley William Ogilvy (25 Sep 1881-11 Jun 1900)
13th: David Lyulph Gore Wolseley Ogilvy (11 Jun 1900-28 Dec 1968)
14th: David George Patrick Coke Ogilvy (28 Dec 1968- )

Lord Ogilvy of Alith and Lintrathen, co. Forfar    [Scotland, 1639]
  1st: James Ogilvy (2 Apr 1639-1665)
  2nd: James Ogilvy (1665-1703)
  3rd: David Ogilvy (1704-1717)
  4th: David Ogilvy (26 May 1826-20 Aug 1849)
  5th: David Graham Drummond Ogilvy (20 Aug 1849-25 Sep 1881)
  6th: David Stanley William Ogilvy (25 Sep 1881-11 Jun 1900)
  7th: David Lyulph Gore Wolseley Ogilvy (11 Jun 1900-28 Dec 1968)
  8th: David George Patrick Coke Ogilvy (28 Dec 1968- )

Lord Oliphant    [Scotland, 1464]
  1st: Laurence Oliphant (b 13 Jan 1464-b 1500)
  2nd: John Oliphant (b 1500-1516)
  3rd: Laurence Oliphant (1516-29 Mar 1566)
  4th: Laurence Oliphant (1566-16 Jan 1593)
  5th: Laurence Oliphant (1593-b Oct 1630)
  6th: Patrick Oliphant (1630-b 16 May 1674)
  7th: Charles Oliphant (c Oct 1674-b 2 May 1706)
  8th: Patrick Oliphant (c May 1706-14 Jan 1721)
  9th: William Oliphant (14 Jan 1721-27 Dec 1728)
10th: Francis Oliphant (27 Dec 1728-18 Apr 1748)

Lord Oliphant    [Scotland, 1633]
  1st: Patrick Oliphant (1633-b 16 May 1674)
  2nd: Charles Oliphant (c Oct 1674-b 2 May 1706)
  3rd: Patrick Oliphant (c May 1706-14 Jan 1721)
  4th: William Oliphant (14 Jan 1721-27 Dec 1728)
  5th: Francis Oliphant (27 Dec 1728-18 Apr 1748)

Baron Olivier, of Ramsden, co. Oxford    [United Kingdom, 1924]
  1st: Sydney Haldane Olivier (9 Feb 1924-15 Feb 1943)

Lord Oransay, Dunoon and Arase    [Scotland, 1706]
  1st: Archibald Campbell (19 Oct 1706-15 Apr 1761)

Baroness Oriel of Collon, co. Louth    [Ireland, 1790]
  1st: Margarita Amelia Burgh (5 Jun 1790-20 Jan 1824)

Baron Osborne of Kiveton, co. York    [England, 1673]
  1st: Thomas Osborne (15 Aug 1673-26 Jul 1712)
  2nd: Peregrine Osborne (b 26 Jul 1712-25 Jun 1729)
  3rd: Peregrine Hyde Osborne (25 Jun 1729-9 May 1731)
  4th: Thomas Osborne (25 Jun 1729-23 Mar 1789)
  5th: Francis Godolphin Osborne (23 Mar 1789-31 Jan 1799)
  6th: George William Frederick Osborne (31 Jan 1799-10 Jul 1838)
  7th: Francis Godolphin Darcy-Osborne (23 Jun 1838-12 May 1859)
  8th: George Godolphin Osborne (4 May 1859-8 Aug 1872)
  9th: George Godolphin Osborne (8 Aug 1872-23 Dec 1895)
10th: George Godolphin Osborne (23 Dec 1895-10 May 1927)
11th: John Francis Godophin Osborne (10 May 1927-26 Jul 1963)
12th: Francis D'Arcy Godolphin Osborne (Jul 1963-20 Mar 1964)

Baron Overstone, of Overstone and Fotheringay, both co. Northapton    [United Kingdom, 1850]
  1st: Samuel Jones Loyd (5 Mar 1850-17 Nov 1883)

Baron Overtoun, of Overtoun, co. Dumbarton    [United Kingdom, 1893]
  1st: John Campbell White (23 Jun 1893-15 Feb 1908)

Baron Oxenfoord of Cousland    [United Kingdom, 1841]
  1st: John Hamilton Dalrymple (16 Aug 1841-10 Jan 1853)

Lord Paget de Beaudesert    [England, 1549]
11th: Henry Paget (29 Apr 1854-7 Feb 1869)

Lord Paisley, co. Renfrew    [Scotland, 1587]
  1st: Claud Hamilton (29 Jul 1587-b 3 May 1621)
  2nd: James Hamilton (1621-c 1670)
  3rd: George Hamilton (c 1670-b 1683)
  4th: Claud Hamilton (c 1680-Aug 1691)
  5th: Charles Hamilton (Aug 1691-Jun 1701)
  6th: James Hamilton (Jun 1701-28 Nov 1734)
  7th: James Hamilton (28 Nov 1734-11 Jan 1744)
  8th: James Hamilton (11 Jan 1744-9 Oct 1789)
  9th: John James Hamilton (9 Oct 1789-27 Jan 1818)
10th: James Hamilton (27 Jan 1818-31 Oct 1885)
11th: James Hamilton (31 Oct 1885-3 Jan 1913)
12th: James Albert Edward Hamilton (3 Jan 1913-12 Sep 1953)
13th: James Edward Hamilton (12 Sep 1953-4 Jun 1979)
14th: James Hamilton (4 Jun 1979- )

Lord Paisley, Hamilton, Mountcashell and Kirkpatrick    [Scotland, 1606]
  1st: James Hamilton (10 Jul 1606-23 Mar 1618)
  2nd: James Hamilton (23 Mar 1618-c 1670)
  3rd: George Hamilton (c 1670-b 1683)
  4th: Claud Hamilton (c 1680-Aug 1691)
  5th: Charles Hamilton (Aug 1691-Jun 1701)
  6th: James Hamilton (Jun 1701-28 Nov 1734)
  7th: James Hamilton (28 Nov 1734-11 Jan 1744)
  8th: James Hamilton (11 Jan 1744-9 Oct 1789)
  9th: John James Hamilton (9 Oct 1789-27 Jan 1818)
10th: James Hamilton (27 Jan 1818-31 Oct 1885)
11th: James Hamilton (31 Oct 1885-3 Jan 1913)
12th: James Albert Edward Hamilton (3 Jan 1913-12 Sep 1953)
13th: James Edward Hamilton (12 Sep 1953-4 Jun 1979)
14th: James Hamilton (4 Jun 1979- )

Baron Pakenham, of Cowley, City of Oxford    [United Kingdom, 1945]
  1st: Francis Aungier Pakenham (12 Oct 1945-3 Aug 2001)
  2nd: Thomas Frank Dermot Pakenham (3 Aug 2001- )

Baron Palmer, of Reading, co. Berkshire    [United Kingdom, 1916]
  3rd: Raymond Cecil Palmer (6 Jun 1950-1990)

Baron Palmer, of Reading, co. Berkshire    [United Kingdom, 1933]
  1st: Samuel Ernest Palmer (24 Jun 1933-8 Dec 1948)
  2nd: Ernest Cecil Nottage Palmer (8 Dec 1948-6 Jun 1950)
  4th: Adrian Bailie Nottage Palmer (1990- )

Lord Panmure, of Bechin, and Navar, Forfar    [United Kingdom, 1831]
  1st: William Maule-Ramsay (10 Sep 1831-13 Apr 1852)
  2nd: Fox Maule-Ramsay (13 Apr 1852-6 Jul 1874)

Lord Parbroath    [Scotland, 1633]
  1st: John Lindsay (8 May 1633-1678)
  2nd: William Lindsay (1678-6 Mar 1698)
  3rd: John Lindsay (6 Mar 1698-4 Jan 1714)
  4th: John Lindsay (4 Jan 1714-25 Dec 1749)
  5th: George Lindsay-Crawford (24 Dec 1749-11 Aug 1781)
  6th: George Lindsay-Crawford (11 Aug 1781-30 Jan 1808)
  7th: David Lindsay (30 Jan 1808-c May 1809)
  8th: Patrick Lindsay (May 1809-14 Mar 1839)
  9th: Henry Bethune (14 Mar 1839-19 Feb 1851)
10th: John Trotter Bethune (19 Feb 1851-12 May 1894)
11th: David Clarke Bethune (12 May 1894-20 Mar 1917)
12th: Reginald Lindesay-Bethune (20 Mar 1917-14 Jan 1939)
13th: Archibald Lionel Bethune (14 Jan 1939-15 Oct 1943)
14th: William Tucker Lindesay-Bethune (15 Oct 1943-1985)
15th: David Lindesay-Bethune (1985-1989)
16th: James Randolph Lindesay-Bethune (1989- )

Baron Parker of Macclesfield, co. Chester    [Great Britain, 1716]
  1st: Thomas Parker (10 Mar 1716-28 Apr 1732)
  2nd: George Parker (21 Feb 1747-17 Mar 1764)
  3rd: Thomas Parker (17 Mar 1764-9 Feb 1795)
  4th: George Parker (9 Feb 1795-20 Mar 1842)
  5th: Thomas Parker (20 Mar 1842-31 Mar 1850)
  6th: Thomas Augustus Wolstenholme Parker (31 Mar 1850-24 Jul 1896)
  7th: George Loveden William Henry Parker (24 Jul 1896-20 Sep 1975)
  8th: George Roger Alexander Thomas Parker (20 Sep 1975-1992)
  9th: Richard Timothy George Mansfield Parker (1992- )

Baron Parmoor, of Frieth, co. Buckingham    [United Kingdom, 1914]
  1st: Charles Alfred Cripps (16 Jan 1914-30 Jun 1941)
  2nd: Alfred Henry Seddon Cripps (30 Jun 1941-12 Mar 1977)
  3rd: Frederick Heyworth Cripps (12 Mar 1977-5 Oct 1977)
  5th: Michael Leonard Seddon Cripps (12 Aug 2008- )

Baron Parr of Kendal    [England, 1539]
  1st: William Parr (1539-28 Oct 1571)

Baron Passfield, of Passfield Corner, co. Southampton    [United Kingdom, 1929]
  1st: Sidney James Webb (22 Jun 1929-13 Oct 1947)

Baron Paston, of Norfolk    [England, 1673]
  1st: Robert Paston (19 Aug 1673-8 Mar 1683)
  2nd: William Paston (8 Mar 1683-25 Dec 1732)

Baron Pauncefote, of Preston, co. Gloucester    [United Kingdom, 1899]
  1st: Julian Pauncefote (18 Aug 1899-24 May 1902)

Lord Pawlett of Basing    [Great Britain, 1717]
  1st: Charles Paulett (12 Apr 1717-26 Aug 1754)

Baron Peckover, of Wisbech, co. Cambridge    [United Kingdom, 1907]
  1st: Alexander Peckover (20 Jul 1907-21 Oct 1919)

Baron Pelham of Laughton, co. Sussex    [England, 1706]
  1st: Thomas Pelham (16 Dec 1706-23 Feb 1712)
  2nd: Thomas Pelham-Holles (23 Feb 1712-17 Nov 1768)

Baron Pelham of Stanmer, co. Sussex    [Great Britain, 1762]
  1st: Thomas Pelham-Holles (4 May 1762-17 Nov 1768)
  2nd: Thomas Pelham (17 Nov 1768-8 Jan 1805)
  3rd: Thomas Pelham (Jun 1801-4 Jul 1826)
  3rd: Henry Thomas Pelham (4 Jul 1826-15 Mar 1886)
  5th: Walter John Pelham (16 Mar 1886-28 May 1902)
  6th: Francis Godolphin Pelham (28 May 1902-21 Apr 1905)
  7th: Jocelyn Brudenell Pelham (21 Apr 1905-14 Nov 1926)
  8th: Francis Godolphin Henry Pelham (14 Nov 1926-22 Nov 1926)
  9th: John Buxton Pelham (22 Nov 1926-21 Feb 1944)
10th: John Nicholas Pelham (14 Apr 1944- )

Baron Pender, of Porthurnow, co. Cornwall    [United Kingdom, 1937]
  1st: John Cuthbert Denison-Pender (12 Jun 1937-4 Dec 1949)
  2nd: John Jocelyn Denison-Pender (4 Dec 1949-31 Mar 1965)
  3rd: John Willoughby Denison-Pender (31 Mar 1965- )

Baron Penrhyn of Llandegai, co. Carnarvon    [United Kingdom, 1866]
  7th: Simon Douglas-Pennant (8 Nov 2003- )

Baron Penrhyn of Llandegai, co. Carnavon    [United Kingdom, 1866]
  1st: Edward Gordon Douglas-Pennant (3 Aug 1866-31 Mar 1886)
  2nd: George Sholto Gordon Douglas-Pennant (31 Mar 1886-10 Mar 1907)
  3rd: Edward Sholto Douglas-Pennant (10 Mar 1907-27 Aug 1927)
  4th: Hugh Napier Douglas-Pennant (22 Aug 1927-26 Jun 1949)
  5th: Frank Douglas-Pennant (26 Jun 1949-3 Feb 1967)
  6th: Malcolm Frank Douglas-Pennant (3 Feb 1967-8 Nov 2003)

Baron Pentland, of Lyth, co. Caithness    [United Kingdom, 1909]
  1st: John Sinclair (15 Feb 1909-11 Jan 1925)
  2nd: Henry John Sinclair (11 Jan 1925-1984)

Baron Penzance, of Penzance, co. Cornwall    [United Kingdom, 1869]
  1st: James Plaisted Wilde (6 Apr 1869-9 Dec 1899)

Baron Perceval of Burton, co. Cork    [Ireland, 1715]
  1st: John Perceval (21 Apr 1715-1 May 1748)
  2nd: John Perceval (1 May 1748-20 Dec 1770)
  3rd: John James Perceval (4 Dec 1770-25 Feb 1822)
  4th: John Perceval (25 Feb 1822-31 Dec 1835)
  5th: Henry Frederick John James Perceval (31 Dec 1835-23 Dec 1841)
  6th: George James Perceval (23 Dec 1841-2 Aug 1874)
  7th: Charles George Perceval (2 Aug 1874-5 Sep 1897)
  8th: Augustus Arthur Perceval (5 Sep 1897-11 Aug 1910)
  9th: Charles John Perceval (11 Aug 1910-10 Jan 1929)
10th: Frederick Joseph Trevelyan Perceval (10 Jan 1929-16 May 1932)
11th: Frederick George Moore Perceval (16 May 1932-10 Dec 2001)
12th: Thomas Frederick Gerald Perceval (10 Dec 2001-6 Nov 2011)

Baron Percy of Newcastle, of Etchingham, co. Sussex    [United Kingdom, 1953]
  1st: Eustace Sutherland Campbell Percy (12 Feb 1953-3 Apr 1958)

Baron Perry, of Stock Harvard, co. Essex    [United Kingdom, 1938]
  1st: Perceval Lea Dewhurst Perry (28 Jan 1938-17 Jun 1956)

Baron Petersham, co. Surrey    [England, 1674]
  1st: John Maitland (25 Jun 1674-24 Aug 1682)

Baron Pethick-Lawrence, of Peaslake, co. Surrey    [United Kingdom, 1945]
  1st: Frederick William Pethick-Lawrence (16 Aug 1945-10 Sep 1961)

Baron Petre, of Writtle, co. Essex    [England, 1603]
  1st: John Petre (21 Jul 1603-11 Oct 1613)
  2nd: William Petre (11 Oct 1613-1637)
  3rd: Robert Petre (5 May 1637-23 Oct 1638)
  4th: William Petre (23 Oct 1638-5 Jan 1683)
  5th: John Petre (5 Jan 1683-Jan 1684)
  6th: Thomas Petre (22 Jan 1685-4 Jan 1706)
  7th: Robert Petre (4 Jan 1706-22 Mar 1713)
  8th: Robert James Petre (3 Jun 1713-2 Jul 1742)
  9th: Robert Edward Petre (4 Jul 1742-2 Jul 1801)
10th: Robert Edward Petre (2 Jul 1801-29 Mar 1809)
11th: William Henry Francis Petre (29 Mar 1809-3 Jul 1850)
12th: William Bernard Petre (3 Jul 1850-4 Jul 1884)
13th: William Joseph Petre (4 Jul 1884-8 May 1893)
14th: Bernard Henry Philip Petre (8 May 1893-16 Jun 1908)
15th: Philip Benedict Joseph Petre (16 Jun 1908-6 Dec 1908)
16th: Lionel George Carroll Petre (6 Dec 1908-30 Sep 1915)
17th: Joseph William Lionel Petre (30 Sep 1915-1989)
18th: John Patrick Lionel Petre (1989- )

Baron Phillimore, of Shiplake, co. Oxford    [United Kingdom, 1918]
  1st: Walter George Francis Phillimore (2 Jul 1918-13 Mar 1929)
  2nd: Walter Godfrey Phillimore (13 Mar 1929-28 Nov 1947)
  3rd: Robert Godfrey Phillimore (28 Nov 1947-1990)
  4th: Claud Stephen Phillimore (1990-29 Mar 1994)
  5th: Francis Stephen Phillimore (29 Mar 1994- )

Baron of Phillipstown, King's County    [Ireland, 1631]
  1st: Terence O'Dempsey (22 Dec 1631-a Feb 1637)
  2nd: Lewis O'Dempsey (c 1638-1683)
  3rd: Maximilian O'Dempsey (1683-30 Nov 1691)

Baron Piercy, of Burford, co. Oxford    [United Kingdom, 1945]
  1st: William Piercy (14 Nov 1945-7 Jul 1966)
  2nd: Nicholas Pelham Piercy (7 Jul 1966-22 Mar 1981)
  3rd: James William Piercy (22 Mar 1981- )

Baron Pigot of Patshull, co. Dublin    [Ireland, 1766]
  1st: George Pigot (18 Jan 1766-11 May 1777)

Baron Pirbright, of Pirbright, co. Surrey    [United Kingdom, 1895]
  1st: Henry Worms (15 Nov 1895-9 Jan 1903)

Baron Pirrie, of Belfast    [United Kingdom, 1906]
  1st: William James Pirrie (17 Jul 1906-6 Jun 1924)

Baron Playfair, of St. Andrews, co. Fife    [United Kingdom, 1892]
  1st: Lyon Playfair (3 Sep 1892-29 May 1898)
  2nd: George James Playfair (29 May 1898-26 Dec 1939)

Baron Plender, of Sundridge, co. Kent    [United Kingdom, 1931]
  1st: William Plender (20 Jan 1931-19 Jan 1946)

Baron Plumer, of Messines and of Bilton, co. York    [United Kingdom, 1919]
  1st: Herbert Charles Onslow Plumer (4 Oct 1919-16 Jul 1932)
  2nd: Thomas Hall Rokeby Plumer (16 Jul 1932-24 Feb 1944)

Baron Plunket, of Newton, co. Cork    [United Kingdom, 1827]
  8th: Robin Rathmore Plunket (28 May 1975-16 Nov 2013)
  9th: Tyrone Shaun Terence Plunket (16 Nov 2013- )

Baron Pollington of Longford, co. Longford    [Ireland, 1753]
  1st: John Savile (8 Nov 1753-17 Feb 1778)
  2nd: John Savile (17 Feb 1778-3 Feb 1830)
  3rd: John Savile (3 Feb 1830-25 Dec 1860)
  4th: John Charles George Savile (25 Dec 1860-17 Aug 1899)
  5th: John Horace Savile (17 Aug 1899-8 Jun 1916)
  6th: John Henry Savile (8 Jun 1916-16 Sep 1945)
  7th: John Raphael Wentworth Savile (16 Sep 1945-15 Jul 1980)
  8th: John Christopher George Savile (15 Jul 1980- )

Baron Poltimore, of Poltimore, co. Devon    [United Kingdom, 1831]
  1st: George Warwick Bampfylde (10 Sep 1831-19 Dec 1858)
  2nd: Augustus Frederick George Warwick Bampfylde (19 Dec 1858-3 May 1908)
  3rd: Coplestone Richard George Warwick Bampfylde (3 May 1908-2 Nov 1918)
  4th: George Wentworth Warwick Bampfylde (2 Nov 1918-13 Jul 1965)
  5th: Arthur Blackett Warwick Bampfylde (13 Jul 1965-10 Jun 1967)
  7th: Mark Coplestone Bampfylde (2 Jan 1969- )

Baron Poltimore, of co. Devon    [United Kingdom, 1831]
  6th: Hugh De Burgh Warwick Bampfylde (10 Jun 1967-26 Mar 1978)

Lord Polwarth    [Scotland, 1690]
  1st: Patrick Hume (26 Dec 1690-2 Aug 1724)
  2nd: Alexander Hume-Campbell (2 Aug 1724-27 Feb 1740)
  3rd: Hugh Hume-Campbell (27 Feb 1740-10 Jan 1794)
  4th: Anne Paterson (10 Jan 1794-11 Mar 1822)
  5th: Diana Hume-Campbell (11 Mar 1822-20 Jul 1827)
  6th: Hugh Hepburne-Scott (20 Jul 1827-29 Dec 1841)
  7th: Henry Francis Hepburne-Scott (29 Dec 1841-16 Aug 1867)
  8th: Walter Hugh Hepburne-Scott (16 Aug 1867-13 Jul 1920)
  9th: Walter George Hepburne-Scott (13 Jul 1920-24 Aug 1944)
10th: Henry Alexander Hepburne-Scott (24 Aug 1944-4 Jan 2005)
11th: Andrew Walter Hepburne-Scott (4 Jun 2005- )

Lord Polwarth of Polwarth, Rebraes and Greenlaw    [Scotland, 1697]
  1st: Patrick Hume (23 Apr 1697-2 Aug 1724)
  2nd: Alexander Hume-Campbell (2 Aug 1724-27 Feb 1740)
  3rd: Hugh Hume-Campbell (27 Feb 1740-10 Jan 1794)

Baron Ponsonby of Imokilly, co. Cork    [Ireland, 1806]
  1st: William Brabazon Ponsonby (13 Mar 1806-5 Nov 1806)
  2nd: John Ponsonby (5 Nov 1806-21 Feb 1855)
  3rd: William Ponsonby (21 Feb 1855-2 Oct 1861)
  4th: William Brabazon Ponsonby (2 Oct 1861-10 Sep 1866)

Baron Ponsonby of Shulbrede, co. Sussex    [United Kingdom, 1930]
  1st: Arthur Augustus William Harry Ponsonby (17 Jan 1930-24 Mar 1946)
  2nd: Matthew Henry Herbert Ponsonby (24 Mar 1946-1976)
  3rd: Thomas Arthur Ponsonby (1976-1990)
  4th: Frederick Matthew Thomas Ponsonby (1990- )

Baron Ponsonby of Sysonby, co. Leicester    [Great Britain, 1749]
  1st: Brabazon Ponsonby (12 Jun 1749-4 Jul 1758)
  2nd: William Ponsonby (4 Jul 1758-11 Mar 1793)
  3rd: Frederick Ponsonby (11 Mar 1793-3 Feb 1844)
  4th: John William Ponsonby (3 Feb 1844-16 May 1847)
  5th: John George Brabazon Ponsonby (16 May 1847-28 Jan 1880)
  6th: Frederick George Brabazon Ponsonby (28 Jan 1880-11 Mar 1895)
  7th: Walter William Brabazon Ponsonby (11 Mar 1895-24 Feb 1906)
  8th: Edward Ponsonby (24 Feb 1906-1 Dec 1920)
  9th: Vere Brabazon Ponsonby (1 Dec 1920-10 Mar 1956)
10th: Frederick Edward Neuflize Ponsonby (10 Mar 1956-5 Dec 1993)
11th: Arthur Mountifort Longfield Ponsonby (5 Dec 1993-5 Apr 2002)
12th: Myles Fitzhugh Longfield Ponsonby (5 Apr 2002- )

Baron Pontypridd, of Cardiff, co. Glamorgan    [United Kingdom, 1912]
  1st: Alfred Thomas (8 Feb 1912-14 Dec 1927)

Baron Poole, of Algate, London    [United Kingdom, 1958]
  1st: Oliver Brian Sanderson Poole (11 Jul 1958-1993)
  2nd: David Charles Poole (1993- )

Baron Porchester of Highclere, co. Southampton    [Great Britain, 1780]
  1st: Henry Herbert (17 Oct 1780-3 Jun 1811)
  2nd: Henry George Herbert (Jun 1811-16 Apr 1833)
  4th: Henry Howard Molyneux Herbert (10 Dec 1849-28 Jun 1890)
  5th: George Edward Stanhope Molyneux Herbert (28 Jun 1890-5 Apr 1923)
  6th: Henry George Alfred Marius Victor Francis Herbert (5 Apr 1923-22 Sep 1987)
  7th: Henry George Reginald Molyneux Herbert (22 Sep 1987-11 Sep 2001)
  8th: George Reginald Oliver Molyneux Herbert (11 Sep 2001- )

Baron Portal, of Laverstoke, co. Southampton    [United Kingdom, 1935]
  1st: Wyndham Raymond Portal (26 Jan 1935-6 May 1949)

Baron Portal of Hungerford, of Hungerford, co. Berkshire    [United Kingdom, 1945]
  1st: Charles Frederick Algernon Portal (17 Sep 1945-22 Apr 1971)
  2nd: Rosemary Ann Portal (22 Apr 1971-1990)

Baron Portsea, of Portsmouth, co. Southampton    [United Kingdom, 1934]
  1st: Bertram Godfrey Falle (12 Jan 1934-1 Nov 1948)

Baron le Power and Coroghmore, co. Waterford    [Ireland, 1535]
  1st: Richard Power (13 Sep 1535-10 Nov 1538)
  2nd: Piers Power (10 Nov 1538-16 Oct 1545)
  3rd: John Power (16 Oct 1545-8 Nov 1592)
  4th: Richard Power (8 Nov 1592-8 Aug 1607)
  5th: John Power (8 Aug 1607-1662)
  6th: Richard Power (1662-14 Oct 1690)
  7th: John Power (14 Oct 1690-14 Oct 1693)
  8th: James Power (14 Oct 1693-19 Aug 1704)
  9th: John Power (19 Aug 1704-20 Aug 1725)
10th: Henry Power (20 Aug 1725-5 May 1742)
11th: John Power (5 May 1742-May 1743)
12th: William Power (May 1743-5 Aug 1755)
13th: James Power (5 Aug 1755-1757)
14th: Edmond Power (1757- )
15th: William Power (b 28 Feb 1775-1813)
16th: Edmund Power (1813-29 May 1830)
17th: John William Power (29 May 1830-12 May 1851)
18th: Edmond James de Poher Poer (12 May 1851-30 Aug 1915)
19th: John William Rivallon de Poher Poer (30 Aug 1915-27 Mar 1939)

Baron Powis, of Powis Castle, co. Montgomery    [United Kingdom, 1804]
  1st: Edward Clive (14 May 1804-16 May 1839)

Lord Preston of Gormanston    [Ireland, 1370]
  1st: Robert Preston (c 1370-1396)
  2nd: Christopher Preston (1396- )
  3rd: Christopher Preston
  4th: Robert Preston ( -9 Apr 1503)
  5th: William Preston (9 Apr 1503-21 Feb 1532)
  6th: Jenico Preston (21 Sep 1532-1560)
  7th: Christopher Preston (1560-24 Jan 1600)
  8th: Jenico Preston (24 Jan 1600-14 Mar 1630)
  9th: Nicholas Preston (14 Mar 1630-28 Jul 1643)
10th: Jenico Preston (28 Jun 1643-17 Mar 1691)
11th: Jenico Preston (17 Mar 1691-1699)
12th: Anthony Preston (1679-25 Sep 1716)
13th: Jenico Preston (25 Sep 1716-31 Oct 1757)
14th: Anthony Preston (31 Oct 1757-8 Dec 1786)
16th: Edward Anthony John Preston (10 Feb 1860-28 Sep 1876)
17th: Jenico William Joseph Preston (28 Sep 1876-29 Oct 1907)
18th: Jenico Edward Joseph Preston (29 Oct 1907-7 Nov 1925)
19th: Jenico William Richard Preston (7 Nov 1925-9 Jun 1940)
20th: Jenico Nicholas Dudley Preston (9 Jun 1940- )

Baron Queenborough, of Queenborough, co. Kent    [United Kingdom, 1918]
  1st: Almeric Hugh Paget (18 Jan 1918-22 Sep 1949)

Baron Quibell, of Scunthorpe, co. Lincoln    [United Kingdom, 1945]
  1st: David John Kinsey Quibell (7 Jul 1945-16 Apr 1962)

Baron Quickswood, of Clothall, co. Hertford    [United Kingdom, 1941]
  1st: Hugh Richard Heathcote Gascoyne-Cecil (25 Jan 1941-10 Dec 1956)

Baron Raby of Raby Castle, co. Durham    [United Kingdom, 1833]
  1st: William Henry Vane (29 Jan 1833-29 Jan 1842)
  2nd: Henry Vane (29 Jan 1842-18 Jan 1864)
  3rd: William John Frederick Vane (18 Jan 1864-6 Sep 1864)
  4th: Harry George Powlett (6 Sep 1864-21 Aug 1891)

Baron Radstock, of Castle Town, Queen's County    [Ireland, 1800]
  1st: William Waldegrave (20 Dec 1800-20 Aug 1825)
  2nd: Granville George Waldegrave (20 Aug 1825-11 May 1857)
  3rd: Granville Augustus William Waldegrave (11 May 1857-8 Dec 1913)
  4th: Granville George Waldegrave (8 Dec 1913-2 Apr 1937)
  5th: Montague Waldegrave (2 Apr 1937-17 Sep 1953)

Baron Raglan, of Raglan, co. Monmouth    [United Kingdom, 1852]
  1st: FitzRoy James Henry Somerset (11 Oct 1852-28 Jun 1855)
  2nd: Richard Henry FitzRoy Somerset (28 Jun 1855-May 1884)
  3rd: George FitzRoy Henry Somerset (May 1884-24 Oct 1921)
  4th: FitzRoy Richard Somerset (24 Oct 1921-14 Sep 1964)
  5th: FitzRoy John Somerset (14 Sep 1964-24 Jan 2010)
  6th: Geoffrey Somerset (24 Jan 2010- )

Lord Raith, Monymaill and Balwearie    [Scotland, 1690]
  1st: George Melville (8 Apr 1690-20 May 1707)
  2nd: David Leslie (20 May 1707-6 Jun 1728)
  3rd: David Leslie (6 Jun 1728-Jun 1729)
  4th: Alexander Leslie (Jun 1729-2 Sep 1754)
  5th: David Leslie (2 Sep 1754-9 Jun 1802)
  6th: Alexander Leslie-Melville (9 Jun 1802-22 Feb 1820)
  7th: David Leslie-Melville (22 Feb 1820-8 Oct 1860)
  8th: John Thornton Leslie-Melville (8 Oct 1860-9 Sep 1876)
  9th: Alexander Leslie-Melville (9 Sep 1876-22 Oct 1889)
10th: Ronald Ruthven Leslie Melville (22 Oct 1889-21 Aug 1906)
11th: John David Leslie Melville (21 Aug 1906-11 Jun 1913)
12th: Archibald Alexander Leslie Melville (11 Jun 1913-15 Jan 1947)
13th: Alexander Robert Leslie Melville (15 Jan 1947-7 Apr 2012)
14th: Alexander Ian Leslie Melville (7 Apr 2012- )

Lord Ramsay of Carrington    [Scotland, 1633]
  1st: William Ramsay (29 Jun 1633-Nov 1672)
  2nd: George Ramsay (Nov 1672-11 Feb 1674)
  3rd: William Ramsay (c May 1674-a 28 Feb 1682)
  4th: George Ramsay (a Feb 1682-1696)
  5th: William Ramsay (1696-Oct 1710)
  6th: William Ramsay (Oct 1710-8 Dec 1739)
  7th: Charles Ramsay (8 Dec 1739-24 Jan 1764)
  8th: George Ramsay (29 Jan 1764-15 Nov 1787)
  9th: George Ramsay (4 Nov 1787-21 Mar 1838)
10th: James Andrew Ramsay (21 Mar 1838-22 Dec 1860)
11th: Fox Maule-Ramsay (22 Dec 1860-6 Jul 1874)
12th: George Ramsay (6 Jul 1874-20 Jul 1880)
13th: John William Ramsay (20 Jul 1880-25 Nov 1887)
14th: Arthur George Maule Ramsay (25 Nov 1887-23 Dec 1928)
15th: John Gilbert Ramsay (23 Dec 1928-3 May 1950)
16th: Simon Ramsay (3 May 1950-15 Jul 1999)
17th: James Hubert Ramsay (15 Jul 1999- )

Lord Ramsay of Dalhousie    [Scotland, 1619]
  1st: George Ramsay (5 Jan 1619-b 22 Jul 1629)
  2nd: William Ramsay (b 22 Jul 1629-Nov 1672)
  3rd: George Ramsay (Nov 1672-11 Feb 1674)
  4th: William Ramsay (c May 1674-a 28 Feb 1682)
  5th: George Ramsay (a Feb 1682-1696)
  6th: William Ramsay (1696-Oct 1710)
  7th: William Ramsay (Oct 1710-8 Dec 1739)
  8th: Charles Ramsay (8 Dec 1739-24 Jan 1764)
  9th: George Ramsay (29 Jan 1764-15 Nov 1787)
10th: George Ramsay (4 Nov 1787-21 Mar 1838)
11th: James Andrew Ramsay (21 Mar 1838-22 Dec 1860)
12th: Fox Maule-Ramsay (22 Dec 1860-6 Jul 1874)
13th: George Ramsay (6 Jul 1874-20 Jul 1880)
14th: John William Ramsay (20 Jul 1880-25 Nov 1887)
15th: Arthur George Maule Ramsay (25 Nov 1887-23 Dec 1928)
16th: John Gilbert Ramsay (23 Dec 1928-3 May 1950)
17th: Simon Ramsay (3 May 1950-15 Jul 1999)
18th: James Hubert Ramsay (15 Jul 1999- )

Baron Ramsay of Glenmark, co. Forfar    [United Kingdom, 1875]
  1st: George Ramsay (12 Jun 1875-20 Jul 1880)
  2nd: John William Ramsay (20 Jul 1880-25 Nov 1887)
  3rd: Arthur George Maule Ramsay (25 Nov 1887-23 Dec 1928)
  4th: John Gilbert Ramsay (23 Dec 1928-3 May 1950)
  5th: Simon Ramsay (3 May 1950-15 Jul 1999)
  6th: James Hubert Ramsay (15 Jul 1999- )

Lord Ramsay of Melrose    [Scotland, 1618]
  1st: George Ramsay (25 Aug 1618-b 22 Jul 1629)

Baron Ramsden, of Birkenshaw, West Riding of co. Yorks.    [United Kingdom, 1945]
  1st: Eugene Joseph Squire Hargreaves Ramsden (17 Jun 1945-9 Aug 1955)

Baron de Ramsey of Ramsey Abbey, co. Huntingdon    [United Kingdom, 1887]
  1st: Edward Fellowes (8 Jul 1887-9 Aug 1887)
  2nd: William Henry Fellowes (9 Aug 1887-8 May 1925)
  3rd: Ailwyn Edward Fellowes (22 Oct 1915-1993)
  4th: John Ailwyn Fellowes (1993- )

Baron Ranelagh, of Ranelagh, co. Wicklow    [Ireland, 1715]
  1st: Arthur Cole (18 Apr 1715-5 Oct 1754)

Baron Ranfurly of Ramphorlie, co. Renfrew    [United Kingdom, 1826]
  1st: Thomas Knox (6 Jul 1826-26 Apr 1840)
  2nd: Thomas Knox (26 Apr 1840-21 Mar 1858)
  3rd: Thomas Knox (21 Mar 1858-20 May 1858)
  4th: Thomas Granville Henry Stuart Knox (20 May 1858-10 May 1875)
  5th: Uchter John Mark Knox (10 May 1875-1 Oct 1933)
  6th: Thomas Daniel Knox (1 Oct 1933-1988)
  7th: Gerald Francoys Needham Knox (1988- )

Baron Rankeillour, of Buxted, co. Sussex    [United Kingdom, 1932]
  1st: James Fitzalan Hope (28 Jun 1932-14 Feb 1949)
  2nd: Arthur Oswald James Hope (14 Feb 1949-26 May 1958)
  3rd: Henry John Hope (26 May 1958-2 Dec 1967)
  4th: Peter Thomas More Hope (2 Dec 1967-12 Apr 2005)
  5th: Michael Richard Hope (12 Apr 2005- )

Baron Ranksborough, of Ranksborough in the County of Rutland    [United Kingdom, 1914]
  1st: John Fielden Brocklehurst (3 Jul 1914-28 Feb 1921)

Baron Rathcavan, of The Braid, co. Antrim    [Ireland, 1953]
  1st: Robert William Hugh O'Neill (11 Feb 1953-28 Nov 1982)
  2nd: Phelim Robert Hugh O'Neill (28 Nov 1982-20 Dec 1994)
  3rd: Hugh Detmar Torrens O'Neill (20 Dec 1994- )

Baron Rathdonnell, of Rathdonnell, co. Donegal    [Ireland, 1868]
  1st: John McClintock (21 Dec 1868-17 May 1879)
  2nd: Thomas Kane McClintock-Bunbury (17 May 1879-22 May 1929)
  3rd: Thomas Leopold McClintock-Bunbury (22 May 1929-28 Sep 1937)
  4th: William Robert McClintock-Bunbury (28 Sep 1937-13 Oct 1959)
  5th: Thomas Benjamin McClintock-Bunbury (13 Oct 1959- )

Baron of Rathdowne, co. Dublin    [Ireland, 1717]
  1st: Walter Chetwynd (29 Jun 1717-21 Feb 1736)
  2nd: John Chetwynd (21 Feb 1736-21 Jun 1767)
  3rd: William Richard Chetwynd (21 Jun 1767-3 Apr 1770)
  4th: William Chetwynd (3 Apr 1770-12 Nov 1791)
  5th: Richard Chetwynd (12 Nov 1791-27 Feb 1821)
  6th: Richard Walter Chetwynd (26 Mar 1829-6 Dec 1879)
  7th: Richard Walter Chetwynd (6 Dec 1879-23 Jan 1911)
  8th: Godfrey John Boyle Chetwynd (23 Jan 1911-22 Mar 1936)
  9th: Adam Duncan Chetwynd (22 Mar 1936-12 Jun 1965)
10th: Adam Richard John Casson Chetwynd (12 Jun 1965- )

Baron of Rathfarnham, co. Dublin    [Ireland, 1686]
  1st: Adam Loftus (29 Jan 1686-15 Sep 1691)

Baron Rathmore, of Shanganagh, co. Dublin    [United Kingdom, 1895]
  1st: David Robert Plunket (14 Nov 1895-22 Aug 1919)

Baron Ravensdale, of Ravensdale, co. Derby    [United Kingdom, 1911]
  1st: George Nathaniel Curzon (2 Nov 1911-20 Mar 1925)
  2nd: Mary Irene Curzon (20 Mar 1925-9 Feb 1966)

Baron Ravensworth    [United Kingdom, 1821]
  1st: Thomas Henry Liddell (17 Jul 1821-8 Mar 1855)
  2nd: Henry Thomas Liddell (7 Mar 1855-19 Mar 1878)
  3rd: Henry George Liddell (19 Mar 1878-22 Jul 1903)
  4th: Atholl Charles John Liddell (1903-7 Feb 1904)
  5th: Arthur Thomas Liddell (7 Feb 1904-12 Nov 1919)

Baron Ravensworth of Ravensworth Castle    [England, 1747]
  1st: Henry Liddell (29 Jun 1747-30 Jan 1784)

Baron Rawdon of Rawdon, co. York    [Great Britain, 1783]
  1st: Francis Rawdon-Hastings (4 Mar 1783-28 Nov 1826)

Baron Rawlinson, of Trent, co. Dorset    [United Kingdom, 1919]
  1st: Henry Seymour Rawlinson (6 Oct 1919-27 Mar 1925)

Lord Reay    [Scotland, 1628]
  1st: Donald Mackay (20 Jun 1628-1649)
  2nd: John Mackay (1649-a 1680)

Baron Reay, of Durness, co. Sutherland    [United Kingdom, 1881]
  1st: Donald James Mackay (8 Oct 1881-1 Aug 1921)

Baron Redesdale, of Redesdale, co. Northumberland    [United Kingdom, 1802]
  1st: John Freeman-Mitford (15 Feb 1802-16 Jan 1830)
  2nd: John Thomas Freeman-Mitford (16 Jan 1830-2 May 1886)

Baron Rendel of Hatchlands, co. Surrey    [United Kingdom, 1894]
  1st: Stuart Rendel (30 Mar 1894-4 Jun 1913)

Baron Revelstoke of Membland, co. Devon    [United Kingdom, 1885]
  1st: Edward Charles Baring (30 Jun 1885-17 Jul 1897)
  2nd: John Baring (17 Jul 1897-19 Apr 1929)
  3rd: Cecil Baring (19 Apr 1929-26 Jan 1934)
  4th: Rupert Baring (16 Jan 1934-18 Jul 1994)
  5th: John Baring (18 Jul 1994-5 Jun 2003)
  6th: James Cecil Baring (5 Jun 2003-7 Feb 2012)
  7th: Alexander Rupert Baring (7 Feb 2012- )

Baron Rhayader, of Rhayader, co. Radnor    [United Kingdom, 1932]
  1st: Leifchild Stratten Leif-Jones (25 Jan 1932-26 Sep 1939)

Baron Rhondda, of Llanwern, co. Monmouth    [United Kingdom, 1916]
  1st: David Alfred Thomas (28 Jan 1916-3 Jul 1918)

Baron Ribblesdale, of Gisburne Park, co. York    [Great Britain, 1797]
  1st: Thomas Lister (28 Oct 1797-22 Sep 1826)
  2nd: Thomas Lister (22 Sep 1826-10 Dec 1832)
  3rd: Thomas Lister (10 Dec 1832-25 Aug 1876)
  4th: Thomas Lister (25 Aug 1876-21 Oct 1925)

Baron of Richemount Grey    [England, 1450]
  1st: Thomas Grey (25 Jun 1450-c Dec 1461)

Baron Riddell, of Walton Heath, co. Surrey    [United Kingdom, 1920]
  1st: George Allardice Riddell (28 Jan 1920-5 Dec 1934)

Baron Rideau, of Ottawa and of Castle Derg, co. Tyrone    [United Kingdom, 1952]
  1st: Harold Rupert Leofic George Alexander (14 Mar 1952-16 Jun 1969)
  2nd: Shane William Desmond Alexander (16 Jun 1969- )

Baron Rivers, of Stratfield-Say, co. Southampton    [Great Britain, 1776]
  1st: George Pitt (20 May 1776-7 May 1803)
  2nd: George Pitt (7 May 1803-20 Jul 1828)

Baron Rivers of Sudeley Castle, co. Gloucester    [United Kingdom, 1802]
  1st: George Pitt (16 Mar 1802-7 May 1803)
  2nd: George Pitt (7 May 1803-20 Jul 1828)

Baron Riversdale of Rathcormuck, co. Cork    [Great Britain, 1783]
  1st: William Tonson (13 Oct 1783-4 Dec 1787)

Baron Robartes of Lanhydrock and of Truro, co. Cornwall    [United Kingdom, 1869]
  1st: Thomas James Agar-Robartes (13 Dec 1869-9 Mar 1882)
  2nd: Thomas Charles Agar-Robartes (9 Mar 1882-19 Jul 1930)

Baron Roberts, of Kandahar in Afghanistan and of the City of Waterford    [United Kingdom, 1892]
  1st: Frederick Sleigh Roberts (20 Feb 1892-14 Nov 1914)

Baron Robins, of Rhodesia and Chelsea    [United Kingdom, 1958]
  1st: Thomas Ellis Robins (10 Jul 1958-21 Jul 1962)

Baron Robinson, of Kielder Forest, co. Northumberland, and of Adelaide in the Commonwealth of Australia    [United Kingdom, 1947]
  1st: Roy Lister Robinson (15 Jul 1947-5 Sep 1952)

Baron Roche of Fermoy    [Ireland, 1461]
  3rd: David Roche ( -1539)

Baron Roe, of the Borough of Derby    [United Kingdom, 1917]
  1st: Thomas Roe (5 Jan 1917-7 Jun 1923)

Baron Rokeby, of Armagh    [Ireland, 1777]
  1st: Richard Robinson (26 Feb 1777-10 Oct 1794)
  2nd: Matthew Robinson-Morris (10 Oct 1794-30 Nov 1800)
  3rd: Morris Robinson (30 Nov 1800-May 1829)
  4th: Matthew Montagu (May 1829-1 Sep 1831)
  5th: Edward Montagu (1 Sep 1831-7 Apr 1847)
  6th: Henry Montagu (7 Apr 1847-25 May 1883)

Baron Rolle of Stevenstone, co. Devon    [Great Britain, 1796]
  1st: John Rolle (20 Jun 1796-1842)

Baron of Romney    [England, 1696]
  1st: Henry FitzJames (13 Jan 1696-16 Dec 1702)

Baron Rookwood, of Rookwood Hall, co. Essex    [United Kingdom, 1892]
  1st: Henry John Selwyn-Ibbetson (18 Jun 1892-15 Jan 1902)

Baron Rosmead, of Rosmead in co. of Westmeath and of Tafeberg in South Africa    [United Kingdom, 1896]
  1st: Hercules George Robert Robinson (11 Aug 1896-28 Oct 1897)
  2nd: Hercules Arthur Temple Robinson (28 Oct 1897-26 May 1933)

Baron Ross of Hawkhead, co. Renfrew    [United Kingdom, 1815]
  1st: George Boyle (11 Aug 1815-3 Jul 1843)
  2nd: James Carr-Boyle (3 Jul 1843-11 Mar 1869)
  3rd: George Frederick Boyle (11 Mar 1869-23 Apr 1890)

Baron Rossie, of Rossie, co. Perth    [United Kingdom, 1831]
  1st: George William Fox Kinnaird (23 Jun 1831-7 Jan 1878)

Baron Rossmore of Monaghan    [Ireland, 1796]
  1st: Robert Cuninghame (19 Oct 1796-6 Aug 1801)
  2nd: Warner William Westenra (23 Dec 1824-10 Aug 1842)
  3rd: Henry Robert Westenra (10 Aug 1842-1 Dec 1860)
  4th: Henry Cairns Westenra (1 Dec 1860-28 Mar 1874)
  4th: Derrick Warner William Westenra (28 Mar 1874-31 Jan 1921)
  5th: William Westenra (31 Jan 1921-17 Oct 1958)
  8th: William Warner Westenra (17 Oct 1958- )

Baron Rossmore of Monaghan, co. Monaghan    [United Kingdom, 1838]
  1st: Warner William Westenra (7 Jul 1838-10 Aug 1842)
  2nd: Henry Robert Westenra (10 Aug 1842-1 Dec 1860)
  3rd: Henry Cairns Westenra (1 Dec 1860-28 Mar 1874)
  5th: Derrick Warner William Westenra (28 Mar 1874-31 Jan 1921)
  6th: William Westenra (31 Jan 1921-17 Oct 1958)
  7th: William Warner Westenra (17 Oct 1958- )

Baron Rotherham, of Broughton, co. Lancaster    [United Kingdom, 1910]
  1st: William Henry Holland (18 Jul 1910-15 Aug 1931)
  2nd: Stuart Lund Holland (26 Dec 1927-24 Jan 1950)

Baron Rothermere, of Hemsted, co. Kent    [United Kingdom, 1914]
  1st: Harold Sidney Harmsworth (17 Jan 1914-26 Nov 1940)
  2nd: Esmond Cecil Harmsworth (26 Nov 1940-12 Jul 1978)
  3rd: Vere Harold Esmond Harmsworth (12 Jul 1978-1 Sep 1998)
  4th: Harold Jonathan Esmond Vere Harmsworth (1 Sep 1998- )

Baron Rothschild, of Tring, co. Hertford    [United Kingdom, 1885]
  1st: Nathan Mayer Rothschild (29 Jun 1885-31 Mar 1915)
  2nd: Lionel Walter Rothschild (31 Mar 1915-27 Aug 1937)
  3rd: Nathaniel Mayer Victor Rothschild (27 Aug 1937-Mar 1990)
  4th: Nathaniel Charles Jacob Rothschild (Mar 1990- )

Baron Roundway, of Devizes, co. Wiltshire    [United Kingdom, 1916]
  1st: Charles Edward Hungerford Atholl Colston (30 Jun 1916-17 Jun 1925)
  2nd: Edward Murray Colston (17 Jun 1925-29 Mar 1944)

Baron Rowton, of Rowton Castle, co. Salop.    [United Kingdom, 1880]
  1st: Montagu William Lowry-Corry (6 May 1880-9 Nov 1903)

Baron Royden, of Frankby, in the co. Palatine of Chester    [United Kingdom, 1944]
  1st: Thomas Royden (28 Jan 1944-6 Nov 1950)

Baron Rushcliffe, of Blackfordby, co. Leicester    [United Kingdom, 1935]
  1st: Henry Bucknall Betterton (24 Jan 1935-18 Nov 1949)

Baron Russell    [England, 1539]
  1st: John Russell (9 Mar 1539-14 Mar 1555)
  2nd: Francis Russell (1 Mar 1553-28 Jul 1585)
  3rd: John Russell (Jan 1581-Jul 1584)
  4th: Edward Russell (28 Jul 1585-3 May 1627)
  5th: Francis Russell (3 May 1627-9 May 1641)
  6th: William Russell (9 May 1641-7 Sep 1700)
  7th: Wriothesley Russell (7 Sep 1700-26 May 1711)
  8th: Wriothesley Russell (26 May 1711-23 Oct 1732)
  9th: John Russell (23 Oct 1732-14 Jan 1771)
10th: Francis Russell (14 Jan 1771-2 Mar 1802)
11th: John Russell (2 Mar 1802-20 Oct 1839)
12th: Francis Russell (20 Oct 1839-14 May 1861)
13th: William Russell (14 May 1861-27 May 1872)
14th: Francis Charles Hastings Russell (27 May 1872-14 Jan 1891)
15th: George William Francis Sackville Russell (14 Jan 1891-23 Mar 1893)
16th: Herbrand Arthur Russell (23 Mar 1893-27 Aug 1940)
17th: Hastings William Sackville Russell (27 Aug 1940-9 Oct 1953)
18th: John Ian Robert Russell (9 Oct 1953-25 Oct 2002)
18th: Henry Robin Ian Russell (25 Oct 2002-13 Jun 2003)
19th: Andrew Ian Henry Russell (13 Jun 2003- )

Baron Russell of Thornhaugh, co. Northampton    [England, 1603]
  1st: William Russell (21 Jul 1603-9 Aug 1613)
  2nd: Francis Russell (9 Aug 1613-9 May 1641)
  3rd: William Russell (9 May 1641-7 Sep 1700)
  4th: Wriothesley Russell (7 Sep 1700-26 May 1711)
  5th: Wriothesley Russell (26 May 1711-23 Oct 1732)
  6th: John Russell (23 Oct 1732-14 Jan 1771)
  7th: Francis Russell (14 Jan 1771-2 Mar 1802)
  8th: John Russell (2 Mar 1802-20 Oct 1839)
  9th: Francis Russell (20 Oct 1839-14 May 1861)
10th: William Russell (14 May 1861-27 May 1872)
11th: Francis Charles Hastings Russell (27 May 1872-14 Jan 1891)
12th: George William Francis Sackville Russell (14 Jan 1891-23 Mar 1893)
13th: Herbrand Arthur Russell (23 Mar 1893-27 Aug 1940)
14th: Hastings William Sackville Russell (27 Aug 1940-9 Oct 1953)
15th: John Ian Robert Russell (9 Oct 1953-25 Oct 2002)
16th: Henry Robin Ian Russell (25 Oct 2002-13 Jun 2003)
17th: Andrew Ian Henry Russell (13 Jun 2003- )

Baron Rutherford of Nelson, of Cambridge, co. Cambridge    [United Kingdom, 1931]
  1st: Ernest Rutherford (22 Jan 1931-19 Oct 1937)

Lord Ruthven    [Scotland, 1488]
  1st: William Ruthven (29 Jan 1488-a 12 Jul 1528)
  2nd: William Ruthven (a 12 Jul 1528-b 29 Oct 1552)
  3rd: Patrick Ruthven (b 29 Oct 1552-13 May 1566)
  4th: William Ruthven (13 May 1566-2 May 1584)
  5th: James Ruthven (1586-1588)
  6th: John Ruthven (1588-5 Aug 1600)

Lord Ruthven of Ettrick    [Scotland, 1639]
  1st: Patrick Ruthven (1639-2 Feb 1651)

Lord Ruthven of Freeland    [Scotland, 1651]
  1st: Thomas Ruthven (fr 1651-1651-6 May 1671)
  2nd: David Ruthven (6 May 1671-Apr 1701)
  3rd: Jean Ruthven (Apr 1701-Apr 1722)
  4th: Isabel Ruthven (Apr 1722-23 Jun 1732)
  5th: James Ruthven (23 Jun 1732-3 Jul 1783)
  6th: James Ruthven (3 Jul 1783-27 Dec 1789)
  7th: James Ruthven (27 Dec 1789-27 Jul 1853)
  8th: Mary Elizabeth Thornton Ruthven (27 Jul 1853-13 Feb 1864)
  9th: Walter James Hore-Ruthven (13 Feb 1864-28 Feb 1921)
10th: Walter Patrick Hore-Ruthven (28 Feb 1921-16 Apr 1956)
11th: Bridget Helen Hore-Ruthven (6 Apr 1956-17 Apr 1982)
12th: Charles James Ruthven Howard (17 Apr 1982-28 Nov 1994)
13th: George William Beaumont Howard (28 Nov 1994- )

Baron Ruthven of Gowrie, of Gowrie, co. Perth    [United Kingdom, 1919]
  1st: Walter James Hore-Ruthven (28 Oct 1919-28 Feb 1921)
  2nd: Walter Patrick Hore-Ruthven (28 Feb 1921-16 Apr 1956)
  3rd: Alexander Patrick Greysteil Hore-Ruthven (16 Apr 1956- )

Lord Saint Colme    [Scotland, 1611]
  1st: Henry Stewart (7 Mar 1611-12 Jul 1612)
  2nd: James Stewart (20 Jul 1590-c 1620)

Lord Saint Colme    [Scotland, 1620]
  1st: James Stuart (26 Feb 1620-6 Aug 1638)
  2nd: James Stuart (6 Aug 1638-4 Mar 1653)
  3rd: Alexander Stuart (4 Mar 1653-1 Nov 1700)
  4th: Charles Stuart (1 Nov 1700-7 Oct 1735)
  5th: Francis Stuart (7 Oct 1735-11 Dec 1739)
  6th: James Stuart (11 Dec 1739-5 Jul 1767)
  8th: Francis Stuart (28 Aug 1810-12 Jan 1848)
  8th: Francis Stuart (5 Jul 1767-28 Aug 1810)
  9th: Francis Stuart (12 Jan 1848-6 May 1859)
10th: John Stuart (6 May 1859-8 Nov 1867)
11th: Archibald George Stuart (8 Nov 1867-12 Feb 1872)
12th: George Philip Stuart (12 Feb 1872-16 Mar 1895)
13th: Edmund Archibald Stuart (16 Mar 1895-11 Jun 1901)
14th: Francis James Stuart (11 Jun 1901-20 Nov 1909)
15th: Morton Gray Stuart (20 Nov 1909-19 Apr 1930)
16th: Francis Douglas Stuart (19 Apr 1930-9 Jul 1943)
17th: Archibald John Morton Stuart (9 Jul 1943-27 Mar 1974)
18th: Douglas John Moray Stuart (27 Mar 1974-23 Sep 2011)
19th: John Douglas Stuart (23 Sep 2011- )

Baron Saint George of Hatley Saint George, in the counties of Roscommon and Leitrim    [Ireland, 1715]
  1st: George St. George (18 Apr 1715-4 Aug 1735)

Baron Saint Helens    [Ireland, 1791]
  1st: Alleyne FitzHerbert (26 Jan 1791-19 Feb 1839)

Baron Saint Helens, of Saint Helens, co. Palantine of Lancaster    [United Kingdom, 1964]
  1st: Michael Henry Colins Hughes-Young (30 Dec 1964-27 Dec 1980)

Baron Saint Helens, of St. Helens, co. Southampton    [United Kingdom, 1801]
  1st: Alleyne FitzHerbert (31 Jul 1801-19 Feb 1839)

Baron Saltersford, of Saltersford, co. Chester    [Great Britain, 1796]
  1st: James Stopford (7 Jun 1796-30 Mar 1810)
  2nd: James George Stopford (30 Mar 1810-15 Jun 1835)
  3rd: James Thomas Stopford (15 Jun 1835-20 Nov 1858)
  4th: James George Henry Stopford (20 Nov 1858-28 Nov 1914)
  5th: James Walter Milles Stopford (28 Nov 1914-18 Jul 1933)
  6th: James Richard Neville Stopford (18 Jul 1933-25 Jan 1957)
  7th: James Montagu Burgoyne Stopford (25 Jan 1957-23 Jul 1975)
  8th: James Patrick Montagu Burgoyne Winthrop Stopford (23 Jul 1975- )

Baron Sanderson, of Armthorpe, co. York    [United Kingdom, 1905]
  1st: Thomas Henry Sanderson (20 Dec 1905-24 Mar 1923)

Baron Sanderson, of Hunmanby, co. York    [United Kingdom, 1930]
  1st: Henry Sanderson Furniss (18 Jun 1930-25 Mar 1939)

Baron Sandford, of Sandford, co. Salop.    [United Kingdom, 1891]
  1st: Francis Sandford (1 Jan 1891-31 Dec 1893)

Baron Sandys, of the Vyne    [England, 1523]
  1st: William Sandys (27 Apr 1523- )

Baroness Sandys of Ombersley, co. Worcester    [United Kingdom, 1802]
  1st: Mary Sandys (19 Jun 1802-1 Aug 1836)

Baron Sankey, of Moreton, co. Gloucester    [United Kingdom, 1929]
  1st: John Sankey (21 Jun 1929-6 Feb 1948)

Lord of Sanquhar    [Scotland, 1622]
  1st: William Crichton (2 Feb 1622-fr 1642-1643)
  2nd: William Crichton (c 1643-1691)
  3rd: William Crichton (1691-28 Feb 1694)
  4th: Penelope Crichton (28 Feb 1694-6 Mar 1742)
  5th: William Dalrymple-Crichton (6 Mar 1742-27 Jul 1768)
  6th: Patrick MacDowall-Crichton (27 Jul 1768-7 Apr 1803)
  7th: John Crichton-Stuart (16 Nov 1814-18 Mar 1848)
  8th: John Patrick Crichton-Stuart (18 Mar 1848-9 Oct 1900)
  9th: John Crichton-Stuart (9 Oct 1900-25 Apr 1947)
10th: John Crichton-Stuart (25 Apr 1947-14 Aug 1956)
11th: John Crichton-Stuart (14 Aug 1956-22 Jul 1993)
12th: John Colum Crichton-Stuart (22 Jul 1993- )

Baron de Saumarez, in the Island of Guernsey    [United Kingdom, 1831]
  1st: James Saumarez (15 Sep 1831-9 Oct 1836)
  2nd: James Saumarez (9 Oct 1836-9 Apr 1863)
  3rd: John St. Vincent Saumarez (9 Apr 1863-8 Jan 1881)
  4th: James St. Vincent Saumarez (8 Jan 1881-25 Apr 1937)
  5th: James St. Vincent Broke Saumarez (25 Apr 1937-16 Jan 1969)
  6th: James Victor Broke Saumarez (16 Jan 1969-1991)
  7th: Eric Douglas Saumarez (1991- )

Baron Saunders of Deeps, co. Wexford    [Ireland, 1758]
  1st: Arthur Gore (15 Aug 1758-17 Apr 1773)
  2nd: Arthur Saunders Gore (17 Apr 1773-8 Oct 1809)
  3rd: Arthur Saunders Gore (8 Oct 1809-20 Jan 1837)
  4th: Philip Yorke Gore (20 Jan 1837-25 Jun 1884)
  5th: Arthur Saunders William Charles Fox Gore (25 Jun 1884-14 Mar 1901)
  6th: Arthur Jocelyn Charles Gore (14 Mar 1901-19 Dec 1958)
  7th: Arthur Paul John James Charles Gore (19 Dec 1958-28 Dec 1958)
  8th: Arthur Strange Kattendyke David Archibald Gore (28 Dec 1958-23 Feb 1983)
  9th: Arthur Desmond Colquhoun Gore (23 Feb 1983- )

Baron Saunderson of Bantry, co. Cork    [Ireland, 1627]
  1st: Nicholas Saunderson (11 Jul 1627-17 May 1631)
  2nd: Nicholas Saunderson (17 May 1631-13 Nov 1640)
  3rd: Nicholas Saunderson (13 Nov 1640-1641)
  4th: Peregrine Saunderson (1641-1650)
  5th: George Saunderson (1650-27 May 1714)
  6th: James Saunderson (27 May 1714-23 May 1723)

Baron Saunderson of Saxby, co. Lincoln    [Great Britain, 1714]
  1st: James Saunderson (19 Oct 1714-23 May 1723)

Baron Saye and Sele    [England, 1603]
  1st: Richard Fiennes (9 Aug 1603-b 6 Feb 1613)
  2nd: William Fiennes (c 6 Feb 1613-14 Apr 1662)
  3rd: James Fiennes (14 Apr 1662-15 Mar 1674)
  4th: Cecil Twisleton ( -1723)
  5th: Fiennes Twisleton (1723-4 Sep 1730)
  6th: John Twisleton (4 Sep 1730-1763)
  7th: Thomas Twisleton (29 Jun 1781-1 Jul 1788)
  8th: Gregory William Eardley-Twisleton-Fiennes (1 Jul 1788-13 Nov 1844)
  9th: William Thomas Eardley-Twisleton-Fiennes (13 Nov 1844-31 Mar 1847)
10th: Frederick Benjamin Twisleton-Wykeham-Fiennes (31 Mar 1847-26 May 1887)
11th: John Twisleton-Wykeham-Fiennes (26 May 1887-8 Oct 1907)
12th: Geoffrey Cecil Twisleton-Wykeham-Fiennes (8 Oct 1907-2 Feb 1937)
13th: Geoffrey Rupert Cecil Twisleton-Wykeham-Fiennes (2 Feb 1937-18 Feb 1949)
14th: Ivo Murray Twisleton-Wykeham-Fiennes (18 Feb 1949-21 Oct 1968)
15th: Nathaniel Thomas Allen Fiennes Fiennes (21 Oct 1968- )

Baron Schuster, of Cerne, co. Dorset    [United Kingdom, 1944]
  1st: Claud Schuster (28 Jun 1944-28 Jun 1956)

Lord Scone    [Scotland, 1604]
  1st: David Murray (7 Jul 1604-27 Aug 1631)
  2nd: Mungo Murray (27 Aug 1631-b 11 Mar 1642)
  3rd: James Johnstone Murray (Mar 1642-28 Dec 1658)
  4th: David Murray (28 Dec 1658-14 Jul 1668)
  5th: David Murray (14 Jul 1668-9 Nov 1731)
  6th: David Murray (9 Nov 1731-1748)
  7th: David Murray (1748-1 Sep 1796)
  8th: David William Murray (1 Sep 1796-11 Feb 1840)
  9th: William David Murray (11 Feb 1840-2 Aug 1898)
10th: William David Murray (2 Aug 1898-29 Apr 1906)
11th: Alan David Murray (29 Apr 1906-14 Mar 1935)
12th: Mungo David Malcolm Murray (14 Mar 1935-2 Sep 1971)
13th: William David Mungo James Murray (2 Sep 1971- )

Lord Scott of Buccleuch    [Scotland, 1606]
  1st: Walter Scott (18 Mar 1606-15 Dec 1611)
  2nd: Walter Scott (15 Dec 1611-20 Nov 1633)
  3rd: Francis Scott (20 Nov 1633-22 Nov 1651)
  4th: Mary Scott (25 Nov 1651-12 Mar 1661)
  5th: Anne Scott (12 Mar 1661-6 Feb 1732)
  6th: Francis Scott (6 Feb 1732-22 Apr 1751)
  7th: Henry Scott (22 Apr 1751-11 Jan 1812)
  8th: Charles William Henry Montagu-Scott (11 Jan 1812-20 Apr 1819)
  9th: Walter Francis Montagu Douglas Scott (20 Apr 1819-16 Apr 1884)
10th: William Henry Walter Montagu Douglas Scott (16 Apr 1884-5 Nov 1914)
11th: John Charles Montagu Douglas Scott (5 Nov 1914-19 Oct 1935)
12th: Walter John Montagu Douglas Scott (19 Oct 1935-4 Oct 1973)
13th: Walter Francis John Montagu Douglas Scott (4 Oct 1973-4 Sep 2007)
14th: Richard Walter John Montagu Douglas Scott (4 Sep 2007- )

Lord Scott of Quhitchester and Eskdaill    [Scotland, 1619]
  1st: Walter Scott (16 Mar 1619-20 Nov 1633)
  2nd: Francis Scott (20 Nov 1633-22 Nov 1651)
  3rd: Mary Scott (25 Nov 1651-12 Mar 1661)
  4th: Anne Scott (12 Mar 1661-6 Feb 1732)
  5th: Francis Scott (6 Feb 1732-22 Apr 1751)
  6th: Henry Scott (22 Apr 1751-11 Jan 1812)
  7th: Charles William Henry Montagu-Scott (11 Jan 1812-20 Apr 1819)
  8th: Walter Francis Montagu Douglas Scott (20 Apr 1819-16 Apr 1884)
  9th: William Henry Walter Montagu Douglas Scott (16 Apr 1884-5 Nov 1914)
10th: John Charles Montagu Douglas Scott (5 Nov 1914-19 Oct 1935)
11th: Walter John Montagu Douglas Scott (19 Oct 1935-4 Oct 1973)
12th: Walter Francis John Montagu Douglas Scott (4 Oct 1973-4 Sep 2007)
13th: Richard Walter John Montagu Douglas Scott (4 Sep 2007- )

Baron Scott of Tindall, Northumberland    [England, 1663]
  1st: James Scott (14 Feb 1663-15 Jul 1685)
  2nd: Francis Scott (22 Mar 1743-22 Apr 1751)
  3rd: Henry Scott (22 Apr 1751-11 Jan 1812)
  4th: Charles William Henry Montagu-Scott (11 Jan 1812-20 Apr 1819)
  5th: Walter Francis Montagu Douglas Scott (20 Apr 1819-16 Apr 1884)
  6th: William Henry Walter Montagu Douglas Scott (16 Apr 1884-5 Nov 1914)
  7th: John Charles Montagu Douglas Scott (5 Nov 1914-19 Oct 1935)
  8th: Walter John Montagu Douglas Scott (19 Oct 1935-4 Oct 1973)
  9th: Walter Francis John Montagu Douglas Scott (4 Oct 1973-4 Sep 2007)
10th: Richard Walter John Montagu Douglas Scott (4 Sep 2007- )

Lord Scott of Whitchester and Eskdale    [Scotland, 1663]
  1st: James Scott (20 Apr 1663-15 Jul 1685)
  2nd: Francis Scott (6 Feb 1732-22 Apr 1751)
  3rd: Henry Scott (22 Apr 1751-11 Jan 1812)
  4th: Charles William Henry Montagu-Scott (11 Jan 1812-20 Apr 1819)
  5th: Walter Francis Montagu Douglas Scott (20 Apr 1819-16 Apr 1884)
  6th: William Henry Walter Montagu Douglas Scott (16 Apr 1884-5 Nov 1914)
  7th: John Charles Montagu Douglas Scott (5 Nov 1914-19 Oct 1935)
  8th: Walter John Montagu Douglas Scott (19 Oct 1935-4 Oct 1973)
  9th: Walter Francis John Montagu Douglas Scott (4 Oct 1973-4 Sep 2007)
10th: Richard Walter John Montagu Douglas Scott (4 Sep 2007- )

Lord Scrimgeour    [Scotland, 1641]
  1st: John Scrymgeour (15 Nov 1641-7 Mar 1643)
  2nd: James Scrymgeour (7 Mar 1643-1644)
  3rd: John Scrymgeour (1644-23 Jun 1668)
  4th: John Scrymgeour (23 Jun 1668-1698)
13th: Henry James Scrymgeour (31 Jul 1952-29 Jun 1983)
14th: Alexander Henry Scrymgeour (29 Jun 1983- )

Lord Scrimgeour and Innerkeithing    [Scotland, 1660]
  1st: John Scrymgeour (Sep 1660-23 Jun 1668)
  2nd: John Scrymgeour (23 Jun 1668-1698)

Lord Seaforth, Baron Mackenzie of Kintail, co. Ross    [Great Britain, 1797]
  1st: Francis Humberston Mackenzie (26 Oct 1797-11 Jan 1815)

Baron Seaforth, of Brahan in Urray, in the County of Ross and Cromarty    [United Kingdom, 1921]
  1st: James Alexander Francis Humberston Stewart-Mackenzie (19 Jan 1921-3 Mar 1923)

Baron Seaton of Seaton, co. Devon    [United Kingdom, 1839]
  1st: John Colborne (14 Dec 1839-17 Apr 1863)
  2nd: James Colborne (17 Apr 1863-11 Oct 1888)
  3rd: John Reginald Upton Eliott-Drake-Colborne (11 Oct 1888-11 Aug 1933)
  4th: James Ulysses Graham Raymond Colborne-Vivian (11 Aug 1933-12 Mar 1955)

Baron Segrave of Berkeley Castle, co. Gloucester    [United Kingdom, 1831]
  1st: William FitzHardinge Berkeley (10 Sep 1831-10 Oct 1857)

Lord Seton    [Scotland, 1451]
  1st: George Seton (c 22 Mar 1451-c 15 Jul 1478)
  2nd: George Seton (c Jul 1478-fr 1507-1508)
  3rd: George Seton (c 1507-9 Sep 1513)
  4th: George Seton (9 Sep 1513-17 Jul 1549)
  5th: George Seton (17 Jul 1549-8 Jan 1586)
  6th: Robert Seton (8 Jan 1586-22 Mar 1603)
  7th: Robert Seton (22 Mar 1603- )
  8th: George Seton (26 Jun 1606-fr 1650-1650)
  9th: George Seton (Dec 1650-6 Mar 1704)
10th: George Seton (6 Mar 1704-19 Dec 1749)

Baron of Settrington, co. York    [England, 1613]
  1st: Ludovic Stuart (6 Oct 1613-16 Feb 1624)

Baron of Settrington, co. York    [England, 1675]
  1st: Charles Lennox (9 Aug 1675-27 May 1723)
  2nd: Charles Lennox (27 May 1723-8 Aug 1750)
  3rd: Charles Lennox (8 Aug 1750-29 Dec 1806)
  4th: Charles Lennox (29 Dec 1806-28 Aug 1819)
  5th: Charles Gordon-Lennox (28 Aug 1819-21 Oct 1860)
  6th: Charles Henry Gordon-Lennox (21 Oct 1860-27 Sep 1903)
  7th: Charles Henry Gordon-Lennox (27 Sep 1903-18 Jan 1928)
  8th: Charles Henry Gordon-Lennox (18 Jan 1928-7 May 1935)
  9th: Frederick Charles Gordon-Lennox (7 May 1935-2 Nov 1989)
10th: Charles Henry Gordon Lennox (1989- )

Baron Shand, of Woodhouse, co. Dumfries    [United Kingdom, 1892]
  1st: Alexander Burns Shand (20 Aug 1892-6 Mar 1904)

Baron Shandon, of the City of Cork    [United Kingdom, 1918]
  1st: Ignatius John O'Brien (1 Jul 1918-10 Sep 1930)

Baron Sheffield, of Dunamore, co. Meath    [Ireland, 1781]
  1st: John Baker Holroyd (9 Jan 1781-30 May 1821)
  2nd: George Augustus Frederick Charles Holroyd (30 May 1821-5 Apr 1876)
  3rd: Henry North Holroyd (5 Apr 1876-21 Apr 1909)

Baron Sheffield, of Roscommon, co. Roscommon    [Ireland, 1783]
  1st: John Baker Holroyd (20 Sep 1783-30 May 1821)
  2nd: George Augustus Frederick Charles Holroyd (30 May 1821-5 Apr 1876)
  3rd: Henry North Holroyd (5 Apr 1876-21 Apr 1909)

Baron Sheffield, of Sheffield, co. Yorks    [United Kingdom, 1802]
  1st: John Baker Holroyd (29 Jul 1802-30 May 1821)
  2nd: George Augustus Frederick Charles Holroyd (30 May 1821-5 Apr 1876)
  3rd: Henry North Holroyd (5 Apr 1876-21 Apr 1909)

Baron Shepherd    [United Kingdom, 1946]
  1st: George Shepherd (1946-1954)

Baron Sherard, of Leitrim    [Ireland, 1627]
  1st: William Sherard (10 Jul 1627-16 Apr 1640)
  2nd: Bennet Sherard (16 Apr 1640-30 Jan 1700)
  3rd: Bennet Sherard (1700-16 Oct 1732)
  4th: Philip Sherard (16 Oct 1732-20 Jul 1758)
  5th: Bennet Sherard (20 Jul 1758-23 Feb 1770)
  6th: Robert Sherard (23 Feb 1770-21 Apr 1799)
  7th: Philip Sherard (21 Apr 1799-10 Dec 1807)
  8th: Robert Sherard (10 Dec 1807-28 Jul 1859)
  9th: Philip Castel Sherard (28 Jul 1859-16 Feb 1896)
10th: Castel Sherard (16 Feb 1896-5 Oct 1902)
11th: Philip Halton Sherard (5 Oct 1901-1 May 1924)
12th: Robert Castel Sherard (1 May 1924-14 Jun 1931)

Baron Sherwood, of Calverton, co. Nottingham    [United Kingdom, 1941]
  1st: Hugh Michael Seely (14 Aug 1941-1 Apr 1970)

Baron of Shingay, co. Cambridge    [England, 1697]
  1st: Edward Russell (7 May 1697-26 Nov 1727)

Baron Shute of Becket, co. Berks    [United Kingdom, 1880]
  1st: George William Barrington (17 Apr 1880-6 Nov 1886)
  2nd: Percy Barrington (6 Nov 1886-29 Apr 1901)
  3rd: Walter Bulkeley Barrington (29 Apr 1901-12 Sep 1933)
  4th: William Reginald Shute Barrington (12 Sep 1933-4 Oct 1960)
  5th: Patrick William Daines Barrington (4 Oct 1960-6 Apr 1990)

Baron Siddeley, of Kenilworth, co. Warwick    [United Kingdom, 1937]
  3rd: John Tennant Davenport Siddeley (11 Aug 1971-1981)

Baron Silchester, co. Southampton    [United Kingdom, 1821]
  1st: Thomas Pakenham (17 Jul 1821-24 May 1835)
  2nd: Edward Michael Pakenham (24 May 1835-27 Mar 1860)
  3rd: William Lygon Pakenham (27 Mar 1860-19 Apr 1887)
  4th: Thomas Pakenham (19 Apr 1887-21 Aug 1915)
  5th: Edward Arthur Henry Pakenham (21 Aug 1915-4 Feb 1961)
  6th: Francis Aungier Pakenham (4 Feb 1961-3 Aug 2001)
  7th: Thomas Frank Dermot Pakenham (3 Aug 2001- )

Baron Simon of Wythenshawe, of Didsbury in the City of Manchester    [United Kingdom, 1947]
  1st: Roger Simon (17 Jan 1947-3 Oct 1960)

Baron Simonds, of Sparsholt, co. Southampton    [United Kingdom, 1952]
  1st: Gavin Turnbull Simonds (24 Jun 1952-28 Jun 1971)

Lord Sinclair    [Scotland, 1449]
  1st: William Sinclair (1449-b 21 May 1480)
  2nd: William Sinclair (b 1480-c 14 Jul 1487)
  3rd: Henry Sinclair (1487-9 Sep 1513)
  4th: William Sinclair (9 Sep 1513-a 17 Jul 1570)
  6th: Henry Sinclair (21 Oct 1601-1602)
  7th: James Sinclair (1602-1607)
  8th: Patrick Sinclair (1607-fr 1615-1617)
  9th: John Sinclair (bt 1615-1617-10 Nov 1674)
10th: Henry St. Clair (10 Nov 1674-1723)
11th: John St. Clair (c Mar 1723-2 Nov 1750)
11th: Charles St. Clair (1762- )
12th: James St. Clair (2 Nov 1750-30 Nov 1762)
13th: Henry St. Clair (30 Nov 1762-Jan 1766)
14th: James St. Clair (Jan 1766-14 May 1789)
15th: Margaret Paterson (14 May 1789- )
16th: Grizel Maria Thomson ( -5 Jul 1795)
17th: John Anstruther-Thomson (5 Jul 1795-10 Apr 1833)
18th: John Anstruther-Thomson (10 Apr 1833-8 Oct 1904)
19th: Charles Frederick St. Clair Anstruther (1904-21 Oct 1925)
20th: Grizel Margaret St. Clair (21 Oct 1925-10 May 1970)
21st: John Anstruther Carl Knutsson Bonde (10 May 1970- )

Lord Sinclair    [Scotland, 1677]
  1st: Henry St. Clair (1 Jun 1677-1723)

Baron Skelmersdale    [United Kingdom, 1828]
  1st: Edward Bootle-Wilbraham (30 Jan 1828-3 Apr 1853)
  2nd: Edward Bootle-Wilbraham (3 Apr 1853-19 Nov 1898)
  3rd: Edward George Bootle-Wilbraham (19 Nov 1898-15 Mar 1910)
  4th: Edward William Bootle-Wilbraham (15 Mar 1910-6 Feb 1930)

Baron Skene, of Skene, co. Aberdeen    [United Kingdom, 1857]
  1st: James Duff (1 Oct 1857-7 Aug 1879)

Baron Snell, of Plumstead, co. Kent    [United Kingdom, 1931]
  1st: Henry Snell (23 Mar 1931-21 Apr 1944)

Baron of Snowdon    [Great Britain, 1727]
  1st: Frederick Louis Hanover (26 Jul 1727-20 Mar 1751)

Baron Soberton, of Soberton, co. Southampton    [United Kingdom, 1806]
  1st: Thomas Anson (17 Feb 1806-31 Jul 1818)
  2nd: Thomas William Anson (31 Jul 1818-18 Mar 1854)
  3rd: Thomas George Anson (18 Mar 1854-7 Jan 1892)
  4th: Thomas Francis Anson (7 Jan 1892-29 Jul 1918)
  5th: Thomas Edward Anson (29 Jul 1918-14 Sep 1960)
  6th: Thomas Patrick John Anson (14 Sep 1960-11 Nov 2005)
  7th: Thomas William Robert Hugh Anson (11 Nov 2005- )

Baron Solway, of Kinmount, co. Dumfries    [United Kingdom, 1833]
  1st: Charles Douglas (7 Jun 1833-3 Dec 1837)

Baron of Somerhill    [England, 1624]
  1st: Richard Bourke (3 Apr 1624-12 Nov 1635)
  2nd: Ulrick Bourke (12 Nov 1635-29 Apr 1658)

Baron Somerhill, of Somerhill, Kent    [United Kingdom, 1826]
  1st: Ulick John Burgh (4 Jul 1826-10 Apr 1874)
  2nd: Herbert George Burgh-Canning (10 Apr 1874-12 Apr 1916)

Lord Somerville    [Scotland, 1444]
  2nd: John Somerville (1456-Nov 1491)
  3rd: John Somerville (1492- )
  4th: Hugh Somerville ( -1549)
  5th: James Somerville (1549-1569)
  6th: Hugh Somerville (1569-1597)
  7th: Gilbert Somerville (1597-1618)
  8th: Hugh Somerville (1618-Apr 1640)
  9th: James Somerville (1640-3 Jan 1677)
10th: James Somerville (3 Jan 1677-1690)
11th: James Somerville (1690-1700)
12th: James Somerville (1700-14 Dec 1765)
13th: James Somerville (1742-1796)
14th: John Southey Somerville (1796-5 Oct 1819)
15th: Mark Somerville (1819-3 Jun 1842)
16th: Kenelm Somerville (3 Jun 1842-19 Oct 1864)
17th: Hugh Somerville (19 Oct 1864-17 Nov 1868)
18th: Aubrey John Somerville (17 Nov 1868-28 Aug 1870)

Lord Somerville    [Scotland, 1445]
  1st: William Somerville (bt 1445-1445-20 Aug 1456)

Lord Sommers, Baron of Evesham, co. Worcester    [Great Britain, 1784]
  1st: Charles Cocks (17 May 1784-30 Jan 1806)
  2nd: John Sommers Cocks (30 Jan 1806-5 Jan 1841)
  3rd: John Sommers Somers-Cocks (5 Jan 1841-5 Oct 1852)
  4th: Charles Somers Somers-Cocks (5 Oct 1852-26 Sep 1883)
  5th: Philip Reginald Cocks (26 Sep 1883-30 Sep 1899)
  6th: Arthur Herbert Tennyson Cocks (30 Sep 1899-14 Jul 1944)
  7th: Arthur Percy Somers Cocks (14 Jul 1944-8 Feb 1953)
  8th: John Patrick Somers Cocks (8 Feb 1953-15 Feb 1995)
  9th: Philip Sebastian Somers Cocks (15 Feb 1995- )

Baron Soulbury    [United Kingdom, 1941]
  1st: Herwald Ramsbotham (6 Aug 1941-1971)

Baron Southwark, of Southwark, co. London    [United Kingdom, 1910]
  1st: Richard Knight Causton (13 Jul 1910-23 Feb 1929)

Baron Southwell of Castle Mattress, co. Limerick    [Ireland, 1717]
  1st: Thomas Southwell (4 Sep 1717-4 Aug 1720)
  2nd: Thomas Southwell (4 Aug 1720-19 Nov 1766)
  3rd: Thomas George Southwell (19 Nov 1766-29 Aug 1780)
  4th: Thomas Arthur Southwell (29 Aug 1780-15 Feb 1796)
  5th: Thomas Anthony Southwell (15 Feb 1796-29 Feb 1860)
  6th: Thomas Arthur Joseph Southwell (29 Feb 1860-26 Apr 1878)
  7th: Arthur Robert Pyers Southwell (26 Apr 1878-5 Oct 1944)
  8th: Robert Arthur William Joseph Southwell (5 Oct 1944-18 Nov 1960)
  9th: Pyers Anthony Joseph Southwell (18 Nov 1960- )

Baron Southwood, of Fernhurst, co. Sussex    [United Kingdom, 1937]
  1st: Julius Salter Elias (11 Jun 1937-10 Apr 1946)

Baron Spencer of Althorp    [Great Britain, 1761]
  1st: John Spencer (3 Apr 1761-31 Oct 1783)
  2nd: George John Spencer (31 Oct 1783-10 Nov 1834)
  3rd: John Charles Spencer (10 Nov 1834-1 Oct 1845)
  4th: Frederick Spencer (1 Oct 1845-27 Dec 1857)
  5th: John Poyntz Spencer (27 Dec 1857-13 Aug 1910)
  6th: Charles Robert Spencer (13 Aug 1910-26 Sep 1922)
  7th: Albert Edward John Spencer (26 Sep 1922-9 Jun 1975)
  8th: Edward John Spencer (9 Jun 1975-29 Mar 1992)
  9th: Charles Edward Maurice Spencer (29 Mar 1992- )

Baron Spencer of Wormleighton    [England, 1603]
  1st: Robert Spencer (21 Jul 1603-25 Oct 1627)
  2nd: William Spencer (25 Oct 1627-19 Dec 1636)
  3rd: Henry Spencer (19 Dec 1636-20 Sep 1643)
  4th: Robert Spencer (20 Sep 1643-28 Sep 1702)
  5th: Charles Spencer (28 Sep 1702-19 Apr 1722)
  6th: Robert Spencer (19 Apr 1722-15 Sep 1729)
  7th: Charles Spencer (15 Sep 1729-20 Oct 1758)
  8th: George Spencer (20 Oct 1758-29 Jan 1817)
  9th: George Spencer-Churchill (12 Mar 1806-5 Mar 1840)
10th: George Spencer-Churchill (5 Mar 1840-1 Jul 1857)
11th: John Winston Spencer-Churchill (1 Jul 1857-5 Jul 1883)
12th: George Charles Spencer-Churchill (16 Apr 1883-9 Nov 1892)
13th: Charles Richard John Spencer-Churchill (9 Nov 1892-30 Jun 1934)
14th: John Albert Edward William Spencer-Churchill (30 Jun 1934-11 Mar 1972)
15th: John George Vanderbilt Henry Spencer-Churchill (10 Mar 1972-16 Oct 2014)
16th: Charles James Spencer-Churchill (16 Oct 2014- )

Lord Spynie    [Scotland, 1590]
  1st: Alexander Lindsay (4 Nov 1590-c 16 Jun 1607)
  2nd: Alexander Lindsay (Jun 1607-1646)
  3rd: George Lindsay ( -c Jan 1671)

Baron St. Audries, of St. Audries, co. Somerset    [United Kingdom, 1911]
  1st: Alexander Fuller-Acland-Hood (22 Jun 1911-4 Jun 1917)
  2nd: Alexander Peregrine Fuller-Acland-Hood (4 Jun 1917-16 Oct 1971)

Baron St. George, of Hatley St. George, co. Roscommon    [Ireland, 1763]
  1st: St. George Ussher St. George (24 May 1763-2 Jan 1775)

Baron St. Helier, of St. Helier, Jersey    [United Kingdom, 1905]
  1st: Francis Henry Jeune (23 Feb 1905-9 Apr 1905)

Baron St. John of Battersea, co. Lincoln    [Great Britain, 1716]
10th: Nicholas Alexander Mowbray St. John (May 2011- )

Baron St. John of Battersea, co. Surrey    [Great Britain, 1716]
  1st: Henry St. John (2 Jul 1716-8 Apr 1742)
  2nd: John St. John (8 Oct 1742-26 Nov 1748)
  3rd: Frederick St. John (19 Jun 1748-5 May 1787)
  4th: George Richard St. John (5 May 1787-11 Dec 1824)
  5th: Henry St. John (18 Dec 1824-1 Oct 1851)
  6th: Henry St. John (18 Dec 1824-7 Nov 1899)
  7th: Vernon Henry St. John (7 Nov 1899-1 May 1974)
  8th: Kenneth Oliver Musgrave St. John (1 May 1974-5 Jul 2010)
  9th: Henry FitzRoy St. John (5 Jul 2010-May 2011)

Baron St. John of Lydiard Tregoze, co. Wilts    [Great Britain, 1712]
  1st: Henry St. John (7 Jul 1712-12 Dec 1751)
  2nd: Frederick St. John (12 Dec 1751-5 May 1787)
  3rd: George Richard St. John (5 May 1787-11 Dec 1824)
  4th: Henry St. John (18 Dec 1824-1 Oct 1851)
  5th: Henry St. John (1 Oct 1851-7 Nov 1899)
  6th: Vernon Henry St. John (7 Nov 1899-1 May 1974)
  7th: Kenneth Oliver Musgrave St. John (1 May 1974-5 Jul 2010)
  8th: Henry FitzRoy St. John (5 Jul 2010-May 2011)
  9th: Nicholas Alexander Mowbray St. John (May 2011- )

Baron St. Levan of St. Michaels Mount, co. Cornwall    [United Kingdom, 1887]
  1st: John St. Aubyn (4 Jul 1887-14 May 1908)
  2nd: John Townshend St. Aubyn (14 May 1908-10 Nov 1940)
  3rd: Francis Cecil Ord St. Aubyn (10 Nov 1940-10 Jul 1978)
  4th: John Francis Arthur St. Aubyn (10 Jul 1978-7 Apr 2013)
  5th: James Piers Southwell St. Aubyn (7 Apr 2013- )

Baron St. Liz    [England, 1665]
  1st: Basil Feilding (2 Feb 1665-28 Nov 1675)
  2nd: William Feilding (28 Nov 1675-23 Aug 1685)
  3rd: Basil Feilding (23 Aug 1685-18 Mar 1717)
  4th: William Feilding (18 Mar 1717-2 Aug 1755)
  5th: Basil Feilding (2 Aug 1755-14 Jul 1800)
  6th: William Basil Percy Feilding (14 Jul 1800-25 Jun 1865)
  7th: Rudolph William Basil Feilding (25 Jun 1865-10 Mar 1892)
  8th: Rudolph Robert Basil Aloysius Augustine Feilding (10 Mar 1892-25 Nov 1939)
  9th: William Rudolph Stephen Feilding (25 Nov 1939-31 Dec 1966)
10th: William Rudolph Michael Feilding (31 Dec 1966-23 Mar 1995)
11th: Alexander Steven Rudolph Feilding (23 Mar 1995- )

Baron Stalbridge, of Stalbridge, co. Dorset    [United Kingdom, 1886]
  1st: Richard de Aquila Grosvenor (22 Mar 1886-18 May 1912)
  2nd: Hugh Grosvenor (18 May 1912-24 Dec 1949)

Baron Stamfordham, of Stamfordham, co. Northumberland    [United Kingdom, 1911]
  1st: Arthur John Bigge (23 Jun 1911-24 Apr 1922)

Baron Stanhope of Elvaston, co. Derby    [Great Britain, 1717]
  1st: James Stanhope (3 Jul 1717-5 Feb 1721)
  2nd: Philip Stanhope (5 Feb 1721-7 Mar 1786)
  3rd: Charles Stanhope (1786-15 Dec 1816)
  4th: Philip Henry Stanhope (15 Dec 1816-2 Mar 1855)
  5th: Philip Henry Stanhope (2 Mar 1855-24 Dec 1875)
  6th: Arthur Philip Stanhope (24 Dec 1875-10 Apr 1905)
  7th: James Richard Stanhope (19 Apr 1905-15 Aug 1967)

Lord Stanhope of Harrington, co. Northants.    [England, 1605]
  1st: John Stanhope (1605- )

Baron Stanhope of Shelford, co. Nottingham    [England, 1616]
  1st: Philip Stanhope (7 Nov 1616-12 Sep 1656)
  2nd: Philip Stanhope (12 Sep 1656-28 Jan 1714)
  3rd: Philip Stanhope (28 Jan 1714-27 Jan 1726)
  4th: Philip Dormer Stanhope (9 Feb 1726-24 Mar 1773)
  5th: Philip Stanhope (24 Mar 1773-29 Aug 1815)
  6th: George Stanhope (29 Aug 1815-1 Jun 1866)
  7th: George Philip Cecil Arthur Stanhope (1 Jun 1866-1 Dec 1871)
  8th: George Philip Stanhope (7 Jul 1873-19 Oct 1883)
  9th: Henry Edwyn Chandos Scudamore-Stanhope (19 Oct 1883-21 Jan 1887)
10th: Edwyn Francis Scudamore-Stanhope (21 Jan 1887-24 Jan 1933)
11th: Henry Athole Scudamore-Stanhope (24 Jan 1933-2 Nov 1935)
12th: Edward Henry Scudamore-Stanhope (2 Nov 1935-2 Aug 1952)
13th: James Richard Stanhope (2 Aug 1952-15 Aug 1967)

Baron Stanley of Bickerstaffe, co. Lancaster    [United Kingdom, 1832]
  1st: Edward Smith-Stanley (22 Dec 1832-30 Jun 1851)
  2nd: Edward Geoffrey Smith-Stanley (4 Nov 1844-23 Oct 1869)
  3rd: Edward Henry Stanley (23 Oct 1869-21 Apr 1893)
  4th: Edward George Villiers Stanley (14 Jul 1908-4 Feb 1948)
  4th: Frederick Arthur Stanley (21 Apr 1893-14 Jun 1908)
  5th: Edward John Stanley (1936-28 Nov 1994)
  6th: Edward Richard William Stanley (28 Nov 1994- )

Baron Stanley of Preston, co. Lancaster    [United Kingdom, 1886]
  1st: Frederick Arthur Stanley (27 Aug 1886-14 Jun 1908)
  2nd: Edward George Villiers Stanley (14 Jul 1908-4 Feb 1948)
  3rd: Edward John Stanley (1936-28 Nov 1994)
  3rd: Edward Richard William Stanley (28 Nov 1994- )

Baron Stanmore, of Great Stanmore, co. Middlesex    [United Kingdom, 1893]
  1st: Arthur Hamilton-Gordon (21 Aug 1893-30 Jan 1912)
  2nd: George Arthur Maurice Hamilton-Gordon (30 Jan 1912-13 Apr 1957)

Baroness Stawel of Somerton, co. Somerset    [Great Britain, 1760]
  1st: Mary Stawel (21 May 1760-29 Jul 1780)
  2nd: Henry Legge (29 Jul 1780-25 Aug 1820)

Baron Sterndale, of King Sterndale, co. Derby    [United Kingdom, 1918]
  1st: William Pickford (14 Nov 1918-17 Aug 1923)

Baron Stevenson, of Holmbury, co. Surrey    [United Kingdom, 1924]
  1st: James Stevenson (7 May 1924-10 Jun 1926)

Baron Stewart of Garlies, in the Stewartry of Kirkcudbright    [Great Britain, 1795]
  2nd: Randolph Stewart (27 Mar 1834-2 Jan 1873)
  3rd: Alan Plantagenet Stewart (2 Jan 1873-7 Feb 1901)
  4th: Randolph Henry Stewart (7 Feb 1901-7 Feb 1920)
  5th: Randolph Algernon Ronald Stewart (7 Feb 1920-13 Jun 1978)
  7th: Randolph Keith Reginald Stewart (13 Jun 1978- )

Lord Stewart of Ochiltree    [Scotland, 1543]
  1st: Andrew Stewart (15 Mar 1543-1548)
  2nd: Andrew Stewart (1549-21 Mar 1602)
  3rd: Andrew Stewart (21 Mar 1602-Jan 1629)

Baron Stewart of Ramalton, co. Donegal    [Ireland, 1683]
  1st: William Stewart (19 Mar 1683- )
  2nd: William Stewart (3 Aug 1692-10 Jan 1728)
  3rd: William Stewart (10 Jan 1728-14 Aug 1769)

Lord Stewart of Stewart's Court and Ballylawn, co. Donegal    [United Kingdom, 1814]
  1st: Charles William Vane (1 Jul 1814-6 Mar 1854)
  2nd: Frederick William Robert Stewart (6 Mar 1854-25 Nov 1872)
  3rd: George Henry Robert Charles William Vane-Tempest (25 Nov 1872-6 Nov 1884)
  4th: Charles Stewart Vane-Tempest-Stewart (6 Nov 1884-8 Feb 1915)
  5th: Charles Stewart Henry Vane-Tempest-Stewart (8 Feb 1915-11 Feb 1949)
  7th: Alexander Charles Robert Vane-Tempest-Stewart (17 Oct 1955-20 Jun 2012)
  8th: Frederick Aubrey Vane-Tempest-Stewart (20 Jun 2012- )

Baron Stewart of Stewart's Court and Ballylawn, co. Donegal    [Ireland, 1816]
  6th: Edward Charles Robert Vane-Tempest-Stewart (11 Feb 1949-17 Oct 1955)

Baron Stoke, co. Buckingham    [England, 1619]
  1st: John Villiers (19 Jul 1619-18 Feb 1658)

Baron Stonehaven, of Ury, co. Kincardine    [United Kingdom, 1925]
  1st: John Lawrence Baird (12 Jun 1925-20 Aug 1941)
  2nd: James Ian Keith (20 Aug 1941-1989)
  3rd: Michael Canning William John Keith (1989-30 Oct 2004)
  4th: James William Falconer Keith (30 Oct 2004- )

Baron Stowell of Stowell Park, co. Gloucester    [United Kingdom, 1821]
  1st: William Scott (17 Jul 1821-28 Jan 1836)

Lord de Strabolgi    [England, 1318]
  2nd: David Strathbogie ( -30 Nov 1335)

Baron Stradbally, Queen's County    [Ireland, 1768]
  1st: Dudley Alexander Sydney Cosby (14 Jul 1768-17 Jan 1774)

Lord le Strange, of Hunstanton, co. Norfolk    [England, 1629]
  7th: Roger Strange (2 Sep 1760-21 Apr 1762)

Baron Strathcarron, of Banchor, co. Inverness    [United Kingdom, 1936]
  1st: James Ian Macpherson (11 Jan 1936-14 Aug 1937)
  2nd: David William Anthony Blyth Macpherson (14 Aug 1937-31 Aug 2006)
  3rd: Ian David Patrick Macpherson (31 Aug 2006- )

Baron Strathclyde    [United Kingdom, ]
  1st: Thomas Dunlop Galbraith ( -1985)

Baron Strathclyde, of Sandyford, co. Lanark    [United Kingdom, 1914]
  1st: Alexander Ure (15 Jan 1914-2 Oct 1928)

Baron Strathcona and Mount Royal, of Glencoe, co. Argyll, and of Mount Royal, Quebec, Canada    [United Kingdom, 1897]
  1st: Donald Alexander Smith (23 Aug 1897-21 Jan 1914)

Baron Strathcona and Mount Royal, of Mount Royal, Quebec, Canada and of Glencoe, co. Argyll    [United Kingdom, 1900]
  1st: Donald Alexander Smith (26 Jun 1900-21 Jan 1914)
  2nd: Margaret Charlotte Smith (21 Jan 1914-18 Aug 1926)
  3rd: Donald Sterling Palmer Howard (1926-22 Feb 1959)
  4th: Donald Euan Palmer Howard (22 Feb 1959- )

Lord Strathdearn    [Scotland, 1563]
  1st: James Stewart (1563-20 Jan 1570)
  2nd: Elizabeth Stewart (21 Jan 1570-18 Nov 1591)
  3rd: James Stuart (18 Nov 1591-6 Aug 1638)
  4th: James Stuart (6 Aug 1638-4 Mar 1653)
  5th: Alexander Stuart (4 Mar 1653-1 Nov 1700)
  6th: Charles Stuart (1 Nov 1700-7 Oct 1735)
  7th: Francis Stuart (7 Oct 1735-11 Dec 1739)
  8th: James Stuart (11 Dec 1739-5 Jul 1767)
  9th: Francis Stuart (5 Jul 1767-28 Aug 1810)
10th: Francis Stuart (28 Aug 1810-12 Jan 1848)
11th: Francis Stuart (12 Jan 1848-6 May 1859)
12th: John Stuart (6 May 1859-8 Nov 1867)
13th: Archibald George Stuart (8 Nov 1867-12 Feb 1872)
14th: George Philip Stuart (12 Feb 1872-16 Mar 1895)
15th: Edmund Archibald Stuart (16 Mar 1895-11 Jun 1901)
16th: Francis James Stuart (11 Jun 1901-20 Nov 1909)
17th: Morton Gray Stuart (20 Nov 1909-19 Apr 1930)
18th: Francis Douglas Stuart (19 Apr 1930-9 Jul 1943)
19th: Archibald John Morton Stuart (9 Jul 1943-27 Mar 1974)
20th: Douglas John Moray Stuart (27 Mar 1974-23 Sep 2011)
21st: John Douglas Stuart (23 Sep 2011- )

Baroness Stratheden of Cupar, co. Fife    [United Kingdom, 1836]
  1st: Mary Elizabeth Scarlett (22 Jan 1836-25 Mar 1860)
  2nd: William Frederick Campbell (25 Mar 1860-21 Jan 1893)
  3rd: Hallyburton George Campbell (21 Jan 1893-26 Dec 1918)
  5th: Gavin Campbell (1981-1987)
  6th: Donald Campbell (1987-23 Oct 2011)
  7th: David Anthony Campbell (23 Oct 2011- )

Baron Stratheden of Cupar, co. Fife    [United Kingdom, 1936]
  4th: Alastair Campbell (26 Dec 1918-1981)

Baron Strathnairn of Strathnairn, co. Nairn and of Jhansi, in the East Indies    [United Kingdom, 1866]
  1st: Hugh Henry Rose (31 Jul 1866-16 Oct 1885)

Baron Strathspey, of Strathspey, co. Inverness    [United Kingdom, 1858]
  1st: John Charles Ogilvy-Grant (14 Aug 1858-18 Feb 1881)
  2nd: Ian Charles Ogilvy-Grant (18 Feb 1881-31 Mar 1884)

Baron Strathspey, of Strathspey, co. Inverness    [United Kingdom, 1884]
  1st: James Ogilvie-Grant (17 Jun 1884-5 Jun 1888)

Baron Strickland, of Sizreagh Castle, co. Westmorland    [United Kingdom, 1928]
  1st: Gerald Strickland (19 Jan 1928-22 Aug 1940)

Baron Stuart de Decies, of Dromana, within the Decies, co. Waterford    [United Kingdom, 1839]
  1st: Henry Villiers-Stuart (10 Mar 1839-23 Jan 1874)

Baron Stuart de Rothesay, of the Isle of Bute    [United Kingdom, 1828]
  1st: Charles Stuart (22 Jan 1828-6 Nov 1845)

Baron Stuart of Castle Stuart    [Great Britain, 1796]
  1st: Francis Stuart (4 Jun 1796-28 Aug 1810)

Baron Stuart of Castle Stuart    [Great Britain, 1810]
  2nd: Francis Stuart (28 Aug 1810-12 Jan 1848)
  3rd: Francis Stuart (12 Jan 1848-6 May 1859)
  4th: John Stuart (6 May 1859-8 Nov 1867)
  5th: Archibald George Stuart (8 Nov 1867-12 Feb 1872)
  6th: George Philip Stuart (12 Feb 1872-16 Mar 1895)
  7th: Edmund Archibald Stuart (16 Mar 1895-11 Jun 1901)
  8th: Francis James Stuart (11 Jun 1901-20 Nov 1909)
  9th: Morton Gray Stuart (20 Nov 1909-19 Apr 1930)
10th: Francis Douglas Stuart (19 Apr 1930-9 Jul 1943)
11th: Archibald John Morton Stuart (9 Jul 1943-27 Mar 1974)
12th: Douglas John Moray Stuart (27 Mar 1974-23 Sep 2011)
13th: John Douglas Stuart (23 Sep 2011- )

Baron Stuart of Leighton Bromswold, co. Huntingdon    [England, 1619]
  1st: Esmé Stuart (7 Jun 1619-30 Jul 1624)
  2nd: James Stuart (30 Jul 1624-30 Mar 1655)
  3rd: Esme Stuart (30 Mar 1655-10 Aug 1660)
  4th: Charles Stuart (10 Aug 1660-12 Dec 1672)

Baron Stuart of Newbury, co. Berks    [England, 1645]
  1st: Charles Stuart (10 Dec 1645-12 Dec 1672)

Baron Stuart of Wortley, of the City of Sheffield    [United Kingdom, 1917]
  1st: Charles Beilby Stuart-Wortley (1 Jan 1917-25 Apr 1926)

Baron Sudbury of Sudbury, co. Suffolk    [England, 1672]
  1st: Henry Fitzroy (16 Aug 1672-9 Oct 1690)
  2nd: Charles Fitzroy (9 Oct 1690-6 May 1757)
  3rd: Augustus Henry Fitzroy (6 May 1757-14 Mar 1811)
  4th: George Henry FitzRoy (14 Mar 1811-28 Sep 1844)
  5th: Henry FitzRoy (28 Sep 1844-26 Mar 1863)
  6th: William Henry Fitzroy (26 Mar 1863-21 May 1882)
  7th: Augustus Charles Lennox FitzRoy (21 May 1882-4 Dec 1918)
  8th: Alfred William Maitland FitzRoy (4 Dec 1918-10 Jan 1930)
  9th: John Charles William FitzRoy (10 Jan 1930-1 Aug 1936)
10th: Charles Alfred Euston FitzRoy (4 Aug 1936-11 Nov 1970)
11th: Hugh Denis Charles FitzRoy (11 Nov 1970-7 Apr 2011)
12th: Henry Oliver Charles FitzRoy (7 Apr 2011- )

Baron Sudley of Castle Gore, co. Mayo    [United Kingdom, 1884]
  1st: Arthur Saunders William Charles Fox Gore (7 Nov 1884-14 Mar 1901)
  2nd: Arthur Jocelyn Charles Gore (14 Mar 1901-19 Dec 1958)
  3rd: Arthur Paul John James Charles Gore (19 Dec 1958-28 Dec 1958)
  4th: Arthur Strange Kattendyke David Archibald Gore (28 Dec 1958-23 Feb 1983)
  5th: Arthur Desmond Colquhoun Gore (23 Feb 1983- )

Baroness Summerhill, co. Meath    [Ireland, 1766]
  1st: Elizabeth Ormsby Upton (19 Feb 1766-18 Dec 1791)
  2nd: Hercules Rowley (18 Dec 1791-24 Mar 1796)

Baron Sundridge, of Coomb Bank, Kent    [Great Britain, 1766]
  1st: John Campbell (23 Dec 1766-24 May 1806)
  2nd: George William Campbell (24 May 1806-22 Oct 1839)
  3rd: John Douglas Edward Henry Campbell (22 Oct 1839-25 Apr 1847)
  4th: George Douglas Campbell (25 Apr 1847-24 Apr 1900)
  5th: John George Edward Henry Douglas Sutherland Campbell (24 Apr 1900-2 May 1914)
  6th: Niall Diarmid Campbell (2 May 1914-20 Aug 1949)
  7th: Ian Douglas Campbell (20 Aug 1949-7 Apr 1973)
  8th: Ian Campbell (7 Apr 1973-21 Apr 2001)
  9th: Torquhil Ian Campbell (21 Apr 2001- )

Baron Sydenham, of Sydenham, co. Kent and of Toronto, in Canada    [United Kingdom, 1840]
  1st: Charles Edward Poulett-Thomson (19 Aug 1840-19 Sep 1841)

Baron Sydenham of Combe, of Dulverton, co. Somerset    [United Kingdom, 1913]
  1st: George Sydenham Clarke (12 Feb 1913-7 Feb 1933)

Baron Sydney, of Chiselhurst, co. Kent    [Great Britain, 1783]
  1st: Thomas Townshend (6 Mar 1783-30 Jun 1800)
  2nd: John Thomas Townshend (30 Jun 1800-20 Jan 1831)
  3rd: John Robert Townshend (20 Jan 1831-14 Feb 1890)

Baron Sydney, of Leix    [Ireland, 1768]
  1st: Dudley Alexander Sydney Cosby (14 Jul 1768-17 Jan 1774)

Baron Sydney of Penshurst, co. Kent    [England, 1603]
  1st: Robert Sydney (13 May 1603-13 Jul 1626)
  2nd: Robert Sydney (13 Jul 1626-2 Nov 1677)
  3rd: Philip Sydney (2 Nov 1677-6 Mar 1698)
  4th: Robert Sydney (11 Jul 1689-11 Nov 1702)
  5th: Philip Sydney (11 Nov 1702-24 Jul 1705)
  6th: John Sydney (24 Jul 1705-27 Feb 1737)
  7th: Jocelyn Sydney (27 Feb 1737-7 Jul 1743)

Baron de Tabley of Tabley House, co. Chester    [United Kingdom, 1826]
  1st: John Fleming Leicester (10 Jul 1826-18 Jun 1827)
  2nd: George Fleming Warren (18 Jun 1827-19 Oct 1887)
  3rd: John Byrne Leicester Warren (19 Oct 1887-22 Nov 1895)

Baron Tadcaster, of Tadcsater, co. York    [United Kingdom, 1826]
  1st: William O'Brien (3 Jul 1826-21 Aug 1846)

Baron Tarbert    [Ireland, ]
  1st: Dominick Roche ( -bt 1701-1702)

Lord Tarrinzean and Mauchline    [Scotland, 1633]
  1st: John Campbell (12 May 1633-15 Mar 1662)
  2nd: James Campbell (15 Mar 1662-1684)
  3rd: Hugh Campbell (1684-20 Nov 1731)
  4th: John Campbell (20 Nov 1731-27 Apr 1782)
  5th: James Mure-Campbell (27 Apr 1782-28 Apr 1786)
  6th: Flora Campbell (28 Apr 1786-8 Jan 1840)
  7th: George Augustus Francis Rawdon-Hastings (8 Jan 1840-13 Jan 1844)
  8th: Paulyn Reginald Serlo Rawdon-Hastings (13 Jan 1844-17 Jan 1851)
  9th: Henry Weysford Charles Plantagenet Rawdon-Hastings (bt 1851-1851-10 Nov 1868)
10th: Edith Maud Rawdon-Hastings (10 Nov 1868-23 Jan 1874)
11th: Charles Edward Rawdon-Hastings (23 Jan 1874-17 May 1920)
12th: Edith Maud Rawdon-Hastings (23 Feb 1923-24 Feb 1960)
13th: Barbara Huddleston Abney-Hastings (24 Feb 1960-1 Nov 2002)
14th: Michael Edward Abney-Hastings (1 Nov 2002-30 Jun 2012)
15th: Simon Michael Abney-Hastings (30 Jun 2012- )

Baron Templemore, of Templemore, co. Donegal    [United Kingdom, 1831]
  1st: Arthur Chichester (10 Sep 1831-26 Sep 1837)
  2nd: Harry Spencer Chichester (26 Sep 1837-10 Jun 1906)
  3rd: Arthur Henry Chichester (10 Jun 1906-28 Sep 1924)
  4th: Arthur Claud Spencer Chichester (28 Sep 1924-2 Oct 1953)
  5th: Dermot Richard Claud Chichester (2 Oct 1953-19 Apr 2007)
  6th: Arthur Patrick Chichester (19 Apr 2007- )

Baron Tenterden, of Hendon in the county of Middlesex    [United Kingdom, 1827]
  1st: Charles Abbott (30 Apr 1827-4 Nov 1832)
  2nd: John Henry Abbott (4 Nov 1832-10 Apr 1870)
  3rd: Charles Stuart Aubrey Abbott (10 Apr 1870-21 May 1928)
  3rd: Charles Stuart Henry Abbott (22 Sep 1882-16 Sep 1939)

Baron of Tewkesbury, co. Gloucester    [Great Britain, 1706]
  1st: George II Augustus Hanover (9 Nov 1706-25 Oct 1760)

Baron Tewkesbury, co. Gloucester    [United Kingdom, 1831]
  1st: George Augustus Frederick Fitz-Clarence (4 Jun 1831-20 Mar 1842)
  2nd: William George Fitz-Clarence (20 Mar 1842-30 Apr 1901)
  3rd: Geoffrey George Gordon Fitz-Clarence (30 Apr 1901-2 Feb 1902)
  4th: Aubrey Fitz-Clarence (2 Feb 1902-1 Jan 1928)
  5th: Geoffrey William Richard Hugh Fitz-Clarence (1 Jan 1928-27 Aug 1975)
  7th: Edward Charles Fitz-Clarence (27 Aug 1975-1983)
  7th: Anthony Charles Fitz-Clarence (1983-30 Dec 2000)

Lord Thirlestane and Boltoun    [Scotland, 1624]
  1st: John Maitland (14 Mar 1624-18 Jan 1645)
  2nd: John Maitland (18 Jan 1645-24 Aug 1682)
  3rd: Charles Maitland (24 Aug 1682-9 Jun 1691)
  4th: Richard Maitland (9 Jun 1691-1695)
  5th: John Maitland (1695-30 Aug 1710)
  6th: Charles Maitland (30 Aug 1710-15 Jul 1744)
  7th: James Maitland (15 Jul 1744-17 Aug 1789)
  8th: James Maitland (17 Aug 1789-15 Sep 1839)
  9th: James Maitland (15 Sep 1839-22 Aug 1860)
10th: Anthony Maitland (22 Aug 1860-22 Mar 1863)
11th: Thomas Maitland (22 Mar 1863-1 Sep 1878)
12th: Charles Barclay-Maitland (1 Sep 1878-13 Aug 1884)
13th: Frederick Henry Maitland (13 Aug 1884-1 Sep 1924)
14th: Frederick Colin Maitland (1 Sep 1924-14 Sep 1931)
15th: Ian Colin Maitland (14 Sep 1931-17 Feb 1953)
16th: Alfred Sydney Frederick Maitland (17 Feb 1953-27 Nov 1968)
17th: Patrick Francis Maitland (27 Nov 1968-2 Dec 2008)
18th: Ian Maitland (2 Dec 2008- )

Baron Thomond of Taplow, co. Bucks    [United Kingdom, 1801]
  1st: Murrough O'Brien (2 Oct 1801-10 Feb 1808)

Lord Thurlestane, Musselburgh and Boultoun    [Scotland, 1672]
  1st: John Maitland (26 Mar 1672-24 Aug 1682)

Baron Thurlow, of Ashfield, co. Suffolk    [Great Britain, 1778]
  1st: Edward Thurlow (3 Jun 1778-12 Sep 1806)

Baron Thurlow of Thurlow, of Thurlow, West Suffolk    [Great Britain, 1792]
  1st: Edward Thurlow (12 Jun 1792-12 Sep 1806)

Baron Thynne of Wermister, co. Wilts    [England, 1682]
  1st: Thomas Thynne (11 Dec 1682-28 Jul 1714)
  2nd: Thomas Thynne (28 Jul 1714-12 Jan 1751)
  3rd: Thomas Thynne (12 Jan 1751-19 Nov 1796)
  4th: Thomas Thynne (19 Nov 1796-27 Mar 1837)
  5th: Henry Frederick Thynne (27 Mar 1837-24 Jun 1837)
  6th: John Alexander Thynne (24 Jun 1837-20 Apr 1896)
  7th: Thomas Henry Thynne (20 Apr 1896-9 Jun 1946)
  8th: Henry Frederick Thynne (9 Jun 1946-30 Jun 1992)
  9th: Alexander George Thynn (30 Jun 1992- )

Lord of Torboulton    [Scotland, 1675]
  1st: Charles Lennox (9 Sep 1675-27 May 1723)
  2nd: Charles Lennox (27 May 1723-8 Aug 1750)
  3rd: Charles Lennox (8 Aug 1750-29 Dec 1806)
  4th: Charles Lennox (29 Dec 1806-28 Aug 1819)
  5th: Charles Gordon-Lennox (28 Aug 1819-21 Oct 1860)
  6th: Charles Henry Gordon-Lennox (21 Oct 1860-27 Sep 1903)
  7th: Charles Henry Gordon-Lennox (27 Sep 1903-18 Jan 1928)
  8th: Charles Henry Gordon-Lennox (18 Jan 1928-7 May 1935)
  9th: Frederick Charles Gordon-Lennox (7 May 1935-2 Nov 1989)
10th: Charles Henry Gordon Lennox (1989- )

Baron Torrington, co. Devon    [Great Britain, 1716]
  1st: Thomas Newport (20 Jun 1716-27 May 1719)

Baron Tracton, of Tracton Abbey, co. Cork    [Ireland, 1780]
  1st: James Dennis (13 Dec 1780-1782)

Baron Tredegar    [United Kingdom, 1859]
  1st: Charles Morgan Robinson Morgan (16 Apr 1859-16 Apr 1875)
  2nd: Godfrey Charles Morgan (16 Apr 1875-11 Mar 1913)
  3rd: Courtenay Charles Evan Morgan (11 Mar 1913-3 May 1934)
  4th: Evan Frederic Morgan (3 May 1934-27 Apr 1949)
  5th: Frederic George Morgan (27 Apr 1949-21 Aug 1954)
  6th: Frederick Charles John Morgan (21 Aug 1954-17 Nov 1962)

Baron Tregoz of Highworth, co. Wiltshire    [England, 1626]
  1st: Oliver St. John (21 May 1626-30 Dec 1630)

Baron Trench of Garbally, co. Galway    [United Kingdom, 1815]
  1st: Richard Le Poer Trench (4 Aug 1815-24 Nov 1837)
  2nd: William Thomas Le Poer Trench (24 Nov 1837-26 Apr 1872)
  3rd: Richard Somerset Le Poer Trench (26 Apr 1872-29 May 1891)
  4th: William Frederick Le Poer Trench (29 May 1891-16 Feb 1929)
  5th: Richard Frederick John Donough Le Poer Trench (16 Feb 1929-5 Jun 1971)
  6th: Greville Sydney Rochfort Le Poer Trench (5 Jun 1971-15 Sep 1975)
  7th: William Francis Brinsley Le Poer Trench (15 Sep 1975-18 May 1995)
  8th: Nicholas Power Richard Le Poer Trench (18 May 1995- )

Baron Trent, of Nottingham, co. Nottingham    [United Kingdom, 1929]
  1st: Jesse Boot (18 Mar 1929-13 Jun 1931)
  2nd: John Boot (13 Jun 1931-8 Mar 1956)

Baron Treowen, of Treowen and Llanarth, co. Monmouth    [United Kingdom, 1917]
  1st: Ivor John Caradoc Herbert (20 Jun 1917-18 Oct 1933)

Baron Trevethin, of Blaengawney, co. Monmouth    [United Kingdom, 1921]
  1st: Alfred Tristram Lawrence (24 Aug 1921-3 Aug 1936)
  2nd: Charles Trevor Lawrence (3 Aug 1936-25 Jun 1959)
  3rd: Geoffrey Lawrence Lawrence (25 Jun 1959-28 Aug 1971)
  4th: John Geoffrey Tristram Lawrence (28 Aug 1971-5 Sep 2012)
  5th: Patrick John Tristram Lawrence (5 Sep 2012- )

Baron Truro of Bowes, co. Middlesex    [United Kingdom, 1850]
  1st: Thomas Wilde (15 Jul 1850-11 Nov 1858)
  2nd: Charles Robert Claude Wilde (11 Nov 1858-27 Mar 1891)
  3rd: Thomas Montague Morrison Wilde (27 Mar 1891-8 Mar 1899)

Baron Tullamore of Charleville Forest, in King's County    [Ireland, 1797]
  1st: Charles William Bury (26 Nov 1797-31 Oct 1835)
  2nd: Charles William Bury (31 Oct 1835-14 Jul 1851)
  3rd: Charles William George Bury (14 Jul 1851-19 Jan 1859)
  4th: Charles William Francis Bury (19 Jan 1859-3 Nov 1874)
  5th: Alfred Bury (3 Nov 1874-26 Jun 1875)

Baron Turnour, of Shillinglee, co. Sussex    [United Kingdom, 1952]
  1st: Edward Turnour (15 Feb 1952-26 Aug 1962)

Baron Turvey    [Ireland, 1646]
  1st: Nicholas Barnewall (29 Jun 1646-20 Aug 1663)
  2nd: Henry Barnewall (20 Aug 1663-1 Jun 1688)
  3rd: Nicholas Barnewall (1 Jun 1688-14 Jun 1725)
  4th: Henry Benedict Barnewall (14 Jun 1725-11 Mar 1774)
  5th: George Barnewall (11 Mar 1774-5 Apr 1800)
  6th: Matthew Barnewall (1814-15 Nov 1834)

Baron Tweeddale of Yester, co. Haddington    [United Kingdom, 1881]
  1st: William Montagu Hay (6 Oct 1881-25 Nov 1911)
  2nd: William George Montagu Hay (25 Nov 1911-30 Mar 1967)
  3rd: David George Montagu Hay (30 Mar 1967-23 Jan 1979)
  4th: Edward Douglas John Hay (23 Jan 1979-1 Feb 2005)
  5th: Charles David Montagu Hay (1 Feb 2005- )

Baron Tweedmouth of Edington, co. Berwick    [United Kingdom, 1881]
  1st: Dudley Coutts Marjoribanks (12 Oct 1881-4 Mar 1894)
  2nd: Edward Marjoribanks (4 Mar 1894-15 Sep 1909)
  3rd: Dudley Churchill Marjoribanks (15 Sep 1909-23 Apr 1935)

Baron Tweedsmuir, of Elsfield, Oxford    [United Kingdom, 1935]
  1st: John Buchan (1 Jun 1935-12 Feb 1940)
  2nd: John Norman Stuart Buchan (11 Feb 1940-20 Jun 1996)
  3rd: William de l'Aigle Buchan (20 Jun 1996-29 Jun 2008)
  4th: John William de l'Aigle Buchan (29 Jun 2008- )

Baron of Tyaquin, co. Galway    [Ireland, 1687]
  1st: Ulick Bourke (2 Jun 1687-12 Jul 1691)

Baron Tyrawley, of Ballinrobe    [Ireland, 1797]
  1st: James Cuffe (7 Nov 1797-1821)

Baron Tyrrell of Avon, co. Southampton    [United Kingdom, 1929]
  1st: William George Tyrrell (24 Jul 1929-14 Mar 1947)

Lord Umfreville    [England, 1295]
  1st: Gilbert Umfreville (24 Jun 1295-b 13 Oct 1307)
  2nd: Robert Umfreville (c Oct 1307-Mar 1325)
  3rd: Gilbert Umfreville (Mar 1325-6 Jan 1381)

Baron Valentia, in Ireland    [Ireland, 1565]
  1st: Donald MacCarthy (24 Jun 1565-1597)

Baron Vane of Dungannon, co. Tyrone    [Ireland, 1720]
  1st: William Vane (13 Sep 1720-20 May 1734)
  2nd: William Holles Vane (20 May 1734-5 Apr 1789)

Baron Vansittart, of Denham, co. Buckingham    [United Kingdom, 1941]
  1st: Robert Gilbert Vansittart (3 Jul 1941-14 Feb 1957)

Lord Vaughan, Baron of Fethard, co. Tipperary    [Ireland, 1695]
  1st: John Vaughan (5 Jun 1695-20 Mar 1721)
  2nd: John Vaughan (20 Mar 1721-15 Jan 1741)
  3rd: Wilmot Vaughan (15 Jan 1741-4 Feb 1766)
  4th: Wilmot Vaughan (4 Feb 1766-6 Jan 1800)
  5th: Wilmot Vaughan (6 Jan 1800-6 May 1820)
  6th: John Vaughan (6 May 1820-18 May 1831)
  7th: Ernest Augustus Vaughan (18 May 1831-8 Nov 1873)
  8th: Ernest Augustus Malet Vaughan (8 Nov 1873-31 Mar 1888)
  9th: George Henry Arthur Vaughan (31 Mar 1888-4 Sep 1899)
10th: Ernest Edmund Henry Malet Vaughan (4 Sep 1899-30 Jun 1965)
11th: John David Malet Vaughan (30 Jun 1965-2 Sep 2014)
12th: David John Francis Malet Vaughan (2 Sep 2014- )

Baron Vaughan of Emlyn, co. Carmarthen    [England, 1643]
  1st: Richard Vaughan (25 Oct 1643-3 Dec 1686)
  2nd: John Vaughan (3 Dec 1686-16 Jan 1713)

Baron Vaughan of Mullengar, co. Westmeath    [Ireland, 1621]
  1st: John Vaughan (13 Jul 1621-6 May 1634)
  2nd: Richard Vaughan (6 May 1634-3 Dec 1686)
  3rd: John Vaughan (3 Dec 1686-16 Jan 1713)

Baron Ventry, of Ventry, co. Kerry    [Ireland, 1800]
  1st: Thomas Mullins (31 Jul 1800-11 Jan 1824)
  2nd: William Townsend Mullins (11 Jan 1824-5 Oct 1827)
  3rd: Thomas Townsend Aremberg Moleyns (5 Oct 1827-18 Jan 1868)
  4th: Dayrolles Blakeney Eveleigh-de Moleyns (18 Jan 1868-8 Feb 1914)
  5th: Frederick Rossmore Wauchope Eveleigh-de Moleyns (8 Feb 1914-22 Sep 1923)
  6th: Arthur William Eveleigh-de Moleyns (22 Sep 1923-6 Jul 1936)
  7th: Arthur Frederick Daubeney Olav Eveleigh-de Moleyns (6 Jul 1936-1987)
  8th: Andrew Wesley Daubeney de Moleyns (1987- )

Baron Verney of Belturbet, co. Cavan    [Ireland, 1703]
  1st: John Verney (16 Jun 1703-23 Jun 1717)
  2nd: Ralph Verney (23 Jun 1717-4 Oct 1752)
  3rd: Ralph Verney (4 Oct 1752-31 Mar 1791)

Baron of Verulam, co. Hertford    [England, 1618]
  1st: Francis Bacon (12 Jul 1618-9 Apr 1626)

Baron de Vesci of Abbey Leix, in Queen's County    [United Kingdom, 1884]
  1st: John Robert William Vesey (8 Nov 1884-6 Jul 1903)

Lord Vessy    [England, 1449]
  1st: Henry Bromflete (24 Jan 1449-16 Jan 1469)

Baron Vestey    [United Kingdom, 1922]
  1st: William Vestey (20 Jun 1922-10 Dec 1940)

Baron de Villiers, of Wynberg, in the province of the Cape of Good Hope, in the Union of South Africa    [United Kingdom, 1910]
  1st: John Henry Villiers (21 Sep 1910-2 Sep 1914)
  2nd: Charles Percy Villiers (2 Sep 1914-10 Feb 1934)
  3rd: Arthur Percy Villiers (10 Feb 1934-23 Mar 2001)
  4th: Alexander Charles Villiers (23 Mar 2001- )

Baron Villiers of Hoo, co. Kent    [England, 1661]
  1st: Edward Villiers (20 Mar 1661-25 Aug 1711)

Baron Villiers of Hoo, co. Kent    [England, 1691]
  2nd: William Villiers (25 Aug 1711-13 Jul 1721)
  3rd: William Villiers (13 Jul 1721-28 Aug 1769)
  4th: George Bussy Villiers (28 Aug 1769-22 Aug 1805)
  5th: George Child-Villiers (22 Aug 1805-3 Oct 1859)
  6th: George Augustus Frederick Child-Villiers (3 Oct 1859-24 Oct 1859)
  7th: Victor Albert George Child-Villiers (24 Oct 1859-31 May 1915)
  8th: George Henry Robert Child-Villiers (31 May 1915-31 Dec 1923)
  9th: George Francis Child-Villiers (31 Dec 1923-9 Aug 1998)
10th: George Francis William Child-Villiers (19 Mar 1998- )

Baron Wakefield of Hythe, co. Kent    [United Kingdom, 1930]
  1st: Charles Cheers Wakefield (20 Jan 1930-15 Jan 1941)

Baron Wakefield of Kendal, of Kendal, co. Westmorland    [United Kingdom, 1963]
  1st: William Wavell Wakefield (15 Nov 1963-1983)

Baron Waleran, of Uffculme, co. Devon    [United Kingdom, 1905]
  1st: William Hood Walrond (23 Dec 1905-17 May 1925)
  2nd: William George Hood Walrond (17 Mar 1925-4 Apr 1966)

Baron Wallscourt, of Ardfrey, co. Galway    [Ireland, 1800]
  2nd: Joseph Henry Blake (28 May 1803-11 Oct 1816)

Baron of Wallscourt, of Ardfry, co. Galway    [Ireland, 1800]
  1st: Joseph Henry Blake (31 Jul 1800-28 May 1803)
  3rd: Joseph Henry Blake (11 Oct 1816-1849)
  4th: Erroll Augustus Blake (27 May 1849-22 Jul 1918)
  5th: Charles William Joseph Henry Blake (22 Jul 1918-27 Apr 1920)

Baron Walpole, of Walpole, co. Norfolk    [Great Britain, 1723]
  1st: Robert Walpole (1 Jun 1723-31 Mar 1751)

Lord Wandell and Hartside    [Scotland, 1661]
  1st: Archibald Douglas (2 Oct 1661-11 Dec 1712)
  2nd: Archibald Douglas (11 Dec 1712-8 Dec 1715)

Baron Wandesford    [Ireland, 1707]
  1st: Christopher Wandesford (15 Mar 1707-15 Sep 1707)
  2nd: Christopher Wandesford (15 Sep 1707-23 Jun 1719)
  3rd: Christopher Wandesford (23 Jun 1719-8 May 1736)
  4th: George Wandesford (8 May 1736-25 Jun 1751)
  5th: John Wandesford (25 Jun 1751-12 Jan 1784)

Baron Wandsworth, of Wandsowrth, London    [United Kingdom, 1895]
  1st: Sydney James Stern (19 Jul 1895-10 Feb 1912)

Baron Wantage of Lockinge, co. Berkshire    [United Kingdom, 1885]
  1st: Robert James Lindsay-Loyd (23 Jul 1885-10 Jun 1901)

Baron Ward of Birmingham, co. Warwick    [England, 1644]
  1st: Humble Ward (23 Mar 1644-14 Oct 1670)
  2nd: Edward Ward (14 Oct 1670-3 Aug 1701)
  3rd: Edward Ward (3 Oct 1701-28 Mar 1704)
  4th: Edward Ward (16 Jun 1704-6 Sep 1731)
  5th: William Ward (6 Sep 1731-20 May 1740)
  6th: John Ward (20 May 1740-6 May 1774)
  7th: John Ward (6 May 1774-10 Oct 1788)
  8th: William Ward (10 Oct 1788-25 Apr 1823)
  9th: John William Ward (25 Apr 1823-6 Mar 1833)
10th: William Humble Ward (6 Mar 1833-6 Dec 1835)
11th: William Ward (6 Dec 1835-7 May 1885)
12th: William Humble Ward (7 May 1885-29 Jun 1932)
13th: William Humble Eric Ward (29 Jun 1932-26 Dec 1969)
14th: William Humble David Ward (26 Dec 1969-16 Nov 2013)
15th: William Humble David Jeremy Ward (16 Nov 2013- )

Baron Wardington, of Alnmouth, co. Northumberland    [United Kingdom, 1936]
  1st: John William Beaumont Pease (17 Jul 1936-7 Aug 1950)
  2nd: Christopher Henry Beaumont Pease (7 Aug 1950-7 Jul 2005)
  3rd: William Simon Pease (7 Jul 2005- )

Baron Wargrave, of Wargrave, co. Berks    [United Kingdom, 1922]
  1st: Edward Alfred Goulding (22 Nov 1922-17 Jul 1936)

Baron Waring, of Foots Cray Place, Foots Cray, co. Kent    [United Kingdom, 1922]
  1st: Samuel James Waring (18 Jul 1922-9 Jan 1940)

Baron Warrington of Clyffe, of Market Lavington, co. Wilts    [United Kingdom, 1926]
  1st: Thomas Rolls Warrington (25 Oct 1926-26 Oct 1937)

Baroness Waterpark, of Waterpark, co. Cork    [Ireland, 1792]
  1st: Sarah Bradshaw (15 Jun 1792-4 Aug 1807)
  2nd: Richard Cavendish (4 Aug 1807-1 Jun 1830)
  3rd: Henry Manners Cavendish (1 Jun 1830-31 Mar 1863)
  4th: Henry Anson Cavendish (31 Mar 1863-3 Aug 1912)
  5th: Charles Frederick Cavendish (3 Aug 1912-27 Jan 1932)
  6th: Henry Sheppard Hart Cavendish (27 Jan 1932-26 Nov 1948)
  7th: Frederick Caryll Philip Cavendish (26 Nov 1948-16 Oct 2013)
  8th: Roderick Alexander Cavendish (16 Oct 2013- )

Baron Waveney, of South Elmham, co. Suffolk    [United Kingdom, 1873]
  1st: Robert Alexander Shafto Adair (10 Apr 1873-5 Feb 1886)

Baron Wavertree, of Delamere, co. Chester    [United Kingdom, 1919]
  1st: William Hall Walker (27 Oct 1919-2 Feb 1933)

Baron Weardale of Stanhope, co. Durham    [United Kingdom, 1906]
  1st: Philip James Stanhope (10 Jan 1906-1 Mar 1923)

Baron Webb-Johnson, of Stoke-on-Trent, co. Stafford    [United Kingdom, 1948]
  1st: Alfred Edward Webb-Johnson (22 Jun 1948-28 May 1958)

Baron Weeks, of Ryton, co. Palatine of Durham    [United Kingdom, 1956]
  1st: Ronald Morce Weeks (31 May 1956-19 Aug 1960)

Baron Welby, of Allington, co. Lincoln    [United Kingdom, 1894]
  1st: Reginald Earle Welby (16 Apr 1894-29 Oct 1915)

Baron Welles of Dungannon, co. Tyrone    [Ireland, 1781]
  1st: Thomas Knox (8 Jan 1781-5 Nov 1818)
  2nd: Thomas Knox (5 Nov 1818-26 Apr 1840)
  3rd: Thomas Knox (26 Apr 1840-21 Mar 1858)
  4th: Thomas Knox (21 Mar 1858-20 May 1858)
  5th: Thomas Granville Henry Stuart Knox (20 May 1858-10 May 1875)
  6th: Uchter John Mark Knox (10 May 1875-1 Oct 1933)
  7th: Thomas Daniel Knox (1 Oct 1933-1988)
  8th: Gerald Francoys Needham Knox (1988- )

Baron Wellesley of Wellesley    [Great Britain, 1797]
  1st: Richard Wellesley (20 Oct 1797-26 Sep 1842)

Baron Wenlock, of Wenlock, co. Shropshire    [United Kingdom, 1831]
  1st: Robert Lawley (10 Sep 1831-10 Apr 1834)

Baron Wenlock, of Wenlock, co. Shropshire    [United Kingdom, 1839]
  1st: Paul Beilby Lawley-Thompson (13 May 1839-9 May 1852)
  2nd: Beilby Richard Lawley (9 May 1852-6 Nov 1880)
  3rd: Beilby Lawley (6 Nov 1880-15 Jan 1912)
  4th: Richard Thompson Lawley (15 Jan 1912-25 Jul 1918)
  5th: Algernon George Lawley (25 Jul 1918-14 Jun 1931)
  6th: Arthur Lawley (14 Jun 1931-14 Jun 1932)

Lord West    [England, 1322]
  4th: Richard West (27 Aug 1450-10 Mar 1476)
  5th: Thomas West (10 Mar 1476-11 Oct 1525)
  6th: Thomas West (11 Oct 1525-25 Sep 1554)

Baron Westcote of Ballymore, co. Longford    [Ireland, 1776]
  1st: William Henry Lyttelton (29 Apr 1776-14 Sep 1808)
  2nd: George Fulke Lyttelton (14 Sep 1808-12 Nov 1828)
  3rd: William Henry Lyttelton (12 Nov 1828-30 Apr 1837)
  4th: George William Lyttelton (30 Apr 1837-19 Apr 1876)
  5th: Charles George Lyttelton (19 Apr 1876-9 Jun 1922)
  6th: John Cavendish Lyttelton (9 Jun 1922-31 Jul 1949)
  7th: Charles John Lyttelton (31 Jul 1949-20 Mar 1977)
  8th: John William Leonard Lyttelton (20 Mar 1977-13 Jul 2006)
  9th: Christopher Charles Lyttelton (13 Jul 2006- )

Baron Wester Wemyss, of Wemyss, co. Fife    [United Kingdom, 1919]
  1st: Rosslyn Erskine Erskine-Wemyss (18 Nov 1919-24 May 1933)

Baron Weston-super-Mare    [United Kingdom, 1963]
  1st: Albert Victor Alexander (30 Jan 1963-11 Jan 1965)

Baron Whaddon of Whaddon, co. Bucks    [England, 1616]
  1st: George Villiers (27 Aug 1616-23 Aug 1628)
  2nd: George Villiers (23 Aug 1628-16 Apr 1687)

Baron Whitburgh, of Whitburgh, in the county of Midlothian    [United Kingdom, 1912]
  1st: Thomas Banks Borthwick (10 Dec 1912-29 Sep 1967)

Baron Wigan of Haigh Hall, co. Lancaster    [United Kingdom, 1826]
  1st: James Lindsay (5 Jul 1826-15 Dec 1869)
  2nd: Alexander William Crawford Lindsay (15 Dec 1869-13 Dec 1880)
  3rd: James Ludovic Lindsay (13 Dec 1880-31 Jan 1913)
  4th: David Alexander Edward Lindsay (31 Jan 1913-8 Mar 1940)
  5th: David Alexander Robert Lindsay (8 Mar 1940-13 Dec 1975)
  6th: Robert Alexander Lindsay (13 Dec 1975- )

Baron Williams, of Ynyshir, co. Glamorgan    [United Kingdom, 1948]
  1st: Thomas Edward Williams (24 Jun 1948-18 Feb 1966)

Baron Wilmot of Selmeston, co. Sussex    [United Kingdom, 1950]
  1st: John Wilmot (30 Jan 1950-22 Jul 1964)

Baron Wilson    [United Kingdom, 1946]
  1st: Henry Maitland Wilson (1946-31 Dec 1964)
  2nd: Patrick Maitland Wilson (1964- )

Baron Wimborne of Canford Magna, Dorset    [United Kingdom, 1880]
  1st: Ivor Bertie Guest (30 Apr 1880-22 Feb 1914)
  2nd: Ivor Churchill Guest (22 Feb 1914-14 Jun 1939)
  3rd: Ivor Grosvenor Guest (14 Jun 1939-7 Jan 1967)
  4th: Ivor Fox-Strangways Guest (7 Jan 1967-1993)
  5th: Ivor Mervyn Vigors Guest (1993- )

Baron Windsor    [England, 1529]
  2nd: William Windsor (c 1543-20 Aug 1558)
  3rd: Edward Windsor (20 Aug 1558-24 Jan 1574)
  4th: Frederick Windsor (24 Jan 1574-24 Dec 1585)
  5th: Henry Windsor (24 Dec 1585-6 Apr 1605)
  6th: Thomas Windsor (6 Apr 1605-6 Dec 1642)
  7th: Thomas Windsor Windsor (6 Dec 1642-3 Nov 1687)
  8th: Other Windsor (3 Nov 1687-26 Dec 1727)
  9th: Other Windsor (26 Dec 1727-23 Nov 1732)
10th: Other Lewis Windsor (23 Nov 1732-20 Apr 1771)
11th: Other Hickman Windsor (20 Apr 1771-12 Jun 1799)
12th: Other Archer Windsor (12 Jun 1799-10 Jul 1833)
13th: Harriet Clive Windsor (1855-9 Nov 1869)

Baron Windsor    [England, by writ]
  1st: Andrews Windsor (1529-c 1543)

Baron Winmarleigh, of Winmarleigh, co. Lancaster    [United Kingdom, 1874]
  1st: John Wilson Patten (16 Mar 1874-11 Jul 1892)

Baron Winster, of Witherslack, co. Westmorland    [United Kingdom, 1942]
  1st: Reginald Thomas Herbert Fletcher (4 Feb 1942-7 Jun 1961)

Baron Winterstoke, of Blagdon, co. Somerset    [United Kingdom, 1906]
  1st: William Henry Wills (1 Feb 1906-29 Jan 1911)

Baron Wise    [United Kingdom, ]
  1st: Frederick Wise ( -1969)

Baron Wittenham, of Wallingford, co. Berks    [United Kingdom, 1918]
  1st: George Denison Faber (29 Jun 1918-1 Feb 1931)

Baron Wodehouse of Kimberley, co. Norfolk    [Great Britain, 1797]
  1st: John Wodehouse (26 Oct 1797-29 May 1834)
  2nd: John Wodehouse (29 May 1834-29 May 1846)
  3rd: John Wodehouse (29 May 1846-8 Apr 1902)
  4th: John Wodehouse (8 Apr 1902-7 Jan 1932)
  5th: John Wodehouse (7 Jan 1932-16 Apr 1941)
  6th: John Wodehouse (16 Apr 1941-26 May 2002)
  7th: John Armine Wodehouse (26 May 2002- )

Baron Wolseley, of Cairo and Wolseley, co. Stafford    [United Kingdom, 1882]
  1st: Garnet Joseph Wolseley (25 Nov 1882-25 Mar 1913)

Baron Woodbridge, of Ipswich, co. Suffolk    [United Kingdom, 1932]
  1st: Arthur Charles Churchman (17 Jun 1932-3 Feb 1949)

Baron Woolavington, of Lavington, co. Sussex    [United Kingdom, 1922]
  1st: James Buchanan (24 Jan 1922-9 Aug 1935)

Baron Worlingham of Beccles, co. Suffolk    [United Kingdom, 1835]
  1st: Archibald Acheson (13 Jun 1835-27 Mar 1849)
  2nd: Archibald Acheson (27 Mar 1849-15 Jun 1864)
  3rd: Archibald Brabazon Sparrow Acheson (15 Jun 1864-11 Apr 1922)
  4th: Archibald Charles Montagu Brabazon Acheson (11 Apr 1922-20 Mar 1954)
  5th: Archibald Alexander John Stanley Acheson (20 Mar 1954-17 Feb 1966)
  6th: Charles David Alexander John Sparrow Acheson (17 Feb 1966- )

Baron Wotton, of Wotton, Kent    [England, 1650]
  1st: Charles Henry Kirkhoven (31 Aug 1650-5 Jan 1683)

Baron Wotton of Marley, co. Kent    [England, 1603]
  1st: Edward Wotton (13 May 1603-fr 1625-1626)
  2nd: Thomas Wotton (fr 1625-1626-2 Apr 1630)

Lord Wycombe, Baron of Chepping Wycombe, co. Bucks    [Great Britain, 1760]
  1st: John Petty (20 May 1760-14 May 1761)
  2nd: William Petty (14 May 1761-7 May 1805)
  3rd: John Henry Petty (7 May 1805-15 Nov 1809)
  4th: Henry Petty-FitzMaurice (15 Nov 1809-31 Jan 1863)
  5th: Henry Petty-FitzMaurice (14 Jul 1856-5 Jul 1866)
  6th: Henry Charles Keith Petty-FitzMaurice (5 Jul 1866-3 Jun 1927)
  7th: Henry William Edmund Petty-FitzMaurice (3 Jun 1927-5 Mar 1936)
  8th: Charles Hope Petty-FitzMaurice (5 Mar 1936-20 Aug 1944)
  9th: George John Charles Mercer Nairne Petty-FitzMaurice (20 Aug 1944-25 Aug 1999)
10th: Charles Maurice Petty-FitzMaurice (25 Aug 1999- )

Baron Wyfold, of Accrington, co. Palatine of Lancaster    [United Kingdom, 1919]
  1st: Robert Trotter Hermon-Hodge (17 May 1919-3 Jun 1937)
  2nd: Roland Herman Hermon-Hodge (3 Jun 1937-14 Oct 1942)
  3rd: Hermon Robert Fleming Hermon-Hodge (14 Oct 1942-8 Apr 1999)

Lord Yelverton    [Ireland, 1795]
  1st: Barry Yelverton (15 Jun 1795-19 Aug 1805)
  2nd: William Charles Yelverton (19 Aug 1805-28 Nov 1814)
  3rd: Barry John Yelverton (28 Nov 1814-24 Oct 1870)
  4th: William Charles Yelverton (24 Oct 1870-1 Apr 1883)
  5th: Barry Nugent Yelverton (1 Apr 1883-13 Feb 1885)
  6th: Algernon William Yelverton (13 Feb 1885-3 Sep 1910)

Baron Ystwyth, of Tan-y-Bwich, co. Cardigan    [United Kingdom, 1921]
  1st: Matthew Lewis Vaughan Davies (18 Jan 1921-21 Aug 1935)

Baron ffrench of Castle ffrench, co. Galway    [Ireland, 1798]
  2nd: Thomas Hamilton ffrench (20 Oct 1784- )
  3rd: Charles Austin ffrench (9 Dec 1814-25 Sep 1860)
  4th: Thomas ffrench (25 Sep 1860-20 Jan 1892)
  5th: Martin Joseph ffrench (20 Jan 1892-2 Nov 1893)
  6th: Charles Austin Thomas Robert ffrench (2 Nov 1893-4 Mar 1955)
  7th: Peter Martin Joseph Charles John ffrench (4 Mar 1955-1986)
  8th: Robuck John Peter Charles Mario ffrench (1986- )


    A total of 1701 of these titles have been held by 7829 individuals.