Earl of Abercorn    [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- )

Earl of Aberdeen    [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- )

Earl of Abergavenny, co. Monmouth    [Great Britain, 1784]
  1st: George Neville (17 May 1784-9 Sep 1785)
  2nd: Henry Nevill (9 Sep 1785-27 Mar 1843)
  3rd: John Nevill (27 Mar 1843-12 Apr 1845)
  4th: William Nevill (12 Apr 1845-17 Aug 1868)
  5th: William Nevill (17 Aug 1868-12 Dec 1915)
  6th: Reginald William Bransby Nevill (12 Dec 1915-13 Oct 1927)
  7th: Henry Gilbert Ralph Nevill (13 Oct 1927-10 Jan 1938)
  8th: Guy Temple Montacute Larnach-Nevill (10 Jan 1938-30 Mar 1954)
  9th: John Henry Guy Nevill (30 Mar 1954-23 Feb 2000)
10th: Christopher George Charles Nevill (23 Feb 2000- )

Earl of Abingdon, Berkshire    [England, 1682]
  1st: James Bertie (30 Nov 1682-22 May 1699)
  2nd: Montagu Venables-Bertie (22 May 1699-16 Jun 1743)
  3rd: Willoughby Bertie (16 Jun 1743-10 Jun 1760)
  4th: Willoughby Bertie (10 Jun 1760-26 Sep 1799)
  5th: Montagu Bertie (26 Sep 1799-16 Oct 1854)
  6th: Montagu Bertie (16 Oct 1854-8 Feb 1884)
  7th: Montagu Arthur Bertie (8 Feb 1884-10 Mar 1928)
  8th: Montagu Henry Edmund Cecil Towneley-Bertie (10 Mar 1928-11 Sep 1963)
  9th: Richard Henry Rupert Bertie (11 Sep 1963- )

Earl of Aboyne    [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- )

Earl of Ailesbury, Buckinghamshire    [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)

Earl of Ailesbury, Buckinghamshire    [Great Britain, 1776]
  1st: Thomas Brudenell-Bruce (10 Jun 1776-19 Apr 1814)
  2nd: Charles Brudenell-Bruce (19 Apr 1814-4 Jan 1856)
  3rd: George William Frederick Brudenell-Bruce (4 Jan 1856-6 Jan 1878)
  4th: Ernest Augustus Charles Brudenell-Bruce (6 Jan 1878-18 Oct 1886)
  5th: George William Thomas Brudenell-Bruce (18 Oct 1886-10 Apr 1894)
  6th: Henry Augustus Brudenell-Bruce (10 Apr 1894-10 Mar 1911)
  7th: George William James Chandos Brudenell-Bruce (10 Mar 1911-4 Aug 1961)
  8th: Chandos Sydney Cedric Brudenell-Bruce (4 Aug 1961-15 Jul 1974)
  9th: Michael Sydney Cedric Brudenell-Bruce (15 Jul 1974- )

Earl of Airlie    [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- )

Earl of Airth    [Scotland, 1633]
  1st: William Graham (28 Mar 1633-a 13 Apr 1661)
  2nd: William Graham (a Apr 1661-12 Sep 1694)

Earl of Albemarle    [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 (21 Feb 1891-28 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- )

Earl of Aldborough, of the Palatinate of Upper Ormond    [Ireland, 1777]
  1st: John Stratford (9 Feb 1777-29 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)

Earl Alexander of Hillsborough    [United Kingdom, 1963]
  1st: Albert Victor Alexander (30 Jan 1963-11 Jan 1965)

Earl Alexander of Tunis    [United Kingdom, 1952]
  1st: Harold Rupert Leofic George Alexander (14 Mar 1952-16 Jun 1969)
  2nd: Shane William Desmond Alexander (16 Jun 1969- )

Earl of Altamont, co. Mayo    [Ireland, 1771]
  1st: John Browne (4 Dec 1771-4 Jul 1776)
  2nd: Peter Browne (4 Jul 1776-28 Dec 1780)
  3rd: John Denis Browne (28 Dec 1780-2 Jun 1809)

Earl Amherst of Arracan, in the East Indies    [United Kingdom, 1826]
  1st: William Pitt Amherst (19 Dec 1826-13 Mar 1857)
  2nd: William Pitt Amherst (13 Mar 1857-26 Mar 1886)
  3rd: William Archer Amherst (26 Mar 1886-14 Aug 1910)
  4th: Hugh Amherst (14 Aug 1910-7 Mar 1927)
  5th: Jeffery John Archer Amherst (7 Mar 1927-4 Mar 1993)

Earl of Ancaster    [United Kingdom, 1892]
  1st: Gilbert Henry Heathcote-Drummond-Willoughby (22 Aug 1892-24 Dec 1910)
  2nd: Gilbert Heathcote-Drummond-Willoughby (24 Dec 1910-19 Sep 1951)
  3rd: Gilbert James Heathcote-Drummond-Willoughby (19 Sep 1951-29 Mar 1983)

Earl of Ancram    [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- )

Earl of Ancrame    [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)
  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- )

Earl of Anglesey, in Wales    [England, 1623]
  1st: Christopher Villiers (18 Apr 1623-3 Apr 1630)
  2nd: Charles Villiers (3 Apr 1630-c Feb 1661)

Earl of Anglesey, in Wales    [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)

Earl of Angus    [Scotland, 1115]
  1st: Dufugan (c 1115- )
  2nd: Gillbride ( -c 1187)
  3rd: Adam (1187-b 1198)
  4th: Gilchrist (b 1198-bt 1207-1211)
  5th: Duncan (bt 1207-1211-bt 1207-1214)
  6th: Malcolm (bt 1207-1214-bt 1237-1242)
  7th: Maud (bt 1237-1242- )
  8th: Gilbert Umfreville (c Jun 1267-b 13 Oct 1307)
  9th: Robert Umfreville (c Oct 1307-Mar 1325)
10th: Gilbert Umfreville (Mar 1325-6 Jan 1381)

Earl of Angus    [England, 1283]
  1st: Gilbert Umfreville (28 Jun 1283-b 13 Oct 1307)
  2nd: Robert Umfreville (c Oct 1307-Mar 1325)
  3rd: Gilbert Umfreville (Mar 1325-6 Jan 1381)

Earl of Angus    [Scotland, 1329]
  1st: John Stewart (15 Jun 1329-9 Dec 1331)
  2nd: Thomas Stewart (9 Dec 1331-1361)
  3rd: Thomas Stewart (c 1361-1377)
  3rd: Margaret Stewart (1361-b 23 Mar 1418)

Earl of Angus    [Scotland, 1389]
  1st: George Douglas (9 Apr 1389-a Sep 1402)
  2nd: William Douglas (1402-Oct 1437)
  3rd: James Douglas (Oct 1437-b 9 Sep 1446)
  4th: George Douglas (b 9 Sep 1446-14 Nov 1462)
  5th: Archibald Douglas (14 Nov 1462-bt 1513-1514)
  6th: Archibald Douglas (9 Sep 1513-Jan 1557)
  7th: David Douglas (Jan 1557-Jun 1557)
  8th: Archibald Douglas (Jun 1557-4 Aug 1588)
  9th: William Douglas (4 Aug 1588-1 Jul 1591)
10th: William Douglas (1 Jul 1591-3 Mar 1611)
11th: William Douglas (3 Mar 1611-19 Feb 1660)

Earl of Angus    [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- )

Earl of Annandale    [Scotland, 1625]
  1st: John Murray (13 Mar 1625-22 Sep 1640)
  2nd: James Johnstone Murray (22 Sep 1640-28 Dec 1658)

Earl of Annandale and Hartfell    [Scotland, 1661]
  1st: James Johnstone (13 Feb 1661-17 Jul 1672)

Earl of Annandale and Hartfell    [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)
  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- )

Earl Annesley, of Castlewellan, co. Down    [Ireland, 1789]
  1st: Francis Charles Annesley (17 Aug 1789-19 Dec 1802)
  2nd: Richard Annesley (19 Dec 1802-9 Nov 1824)
  3rd: William Richard Annesley (9 Nov 1824-25 Aug 1838)
  4th: William Richard Annesley (25 Aug 1838-10 Aug 1874)
  5th: Hugh Annesley (10 Aug 1874-15 Dec 1908)
  6th: Francis Annesley (15 Dec 1908-6 Nov 1914)
  7th: Walter Beresford Annesley (6 Nov 1914-7 Jul 1934)
  8th: Beresford Cecil Bingham Annesley (7 Jul 1934-29 Jun 1957)
  9th: Robert Annesley (29 Jun 1957-21 Feb 1979)
10th: Patrick Annesley (21 Feb 1979-2 Feb 2001)
11th: Philip Harrison Annesley (2 Feb 2001-11 Mar 2011)
12th: Michael Robert Annesley (11 Mar 2011- )

Earl of Antrim    [Ireland, 1620]
  1st: Randal Mac Sorley Mac Donnell (12 Dec 1620-10 Dec 1636)
  2nd: Randal Mac Donnell (10 Dec 1636-3 Feb 1682)
  3rd: Alexander Mac Donnell (3 Feb 1682-10 Dec 1699)
  4th: Randal Mac Donnell (c Jun 1699-19 Oct 1721)
  5th: Alexander Mac Donnell (19 Oct 1721-13 Oct 1775)
  6th: Randal William Mac Donnell (13 Oct 1775-29 Jul 1791)

Earl of Antrim    [Ireland, 1785]
  1st: Randal William Mac Donnell (19 Jun 1785-29 Jul 1791)
  2nd: Anne Katherine Mac Donnell (29 Jul 1791-30 Jun 1834)
  3rd: Charlotte MacDonnell (30 Jun 1834-26 Oct 1835)
  4th: Hugh Seymour McDonnell (26 Oct 1835-19 Jul 1855)
  5th: Mark McDonnell (19 Jul 1855-19 Dec 1869)
  6th: William Randal McDonnell (19 Dec 1869-19 Jul 1918)
  7th: Randal Mark Kerr McDonnell (19 Jul 1918-15 Jun 1932)
  8th: Randal John Somerled McDonnell (15 Jun 1932-26 Sep 1977)
  9th: Alexander Randal Mark McDonnell (26 Sep 1977- )

Earl of Ardglass    [Ireland, 1645]
  1st: Thomas Cromwell (15 Apr 1645-1653)
  2nd: Wingfield Cromwell (1653-3 Oct 1668)
  3rd: Thomas Cromwell (3 Oct 1668-11 Apr 1682)
  4th: Vere Essex Cromwell (11 Apr 1682-26 Nov 1687)

Earl of Argyll    [Scotland, 1457]
  1st: Colin Campbell (1457-10 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- )

Earl of Arlington    [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)

Earl of Armagh    [Great Britain, 1799]
  1st: Ernst August I Hannover (24 Apr 1799-18 Nov 1851)
  2nd: Georg V Hannover (18 Nov 1851-12 Jun 1878)
  3rd: Ernst August II Wilhelm Adolf Georg Friedrich Hannover (12 Jun 1878-14 Nov 1923)

Earl of Arran    [Scotland, 1467]
  1st: Thomas Boyd (26 Apr 1467-c 1473)

Earl of Arran    [Scotland, 1503]
  1st: James Hamilton (11 Aug 1503-bt 1529-1529)
  2nd: James Hamilton (bt 1529-1529-22 Jan 1575)
  3rd: James Hamilton (22 Jan 1575-Mar 1609)
  4th: James Hamilton (Mar 1609-2 Mar 1625)
  5th: James Hamilton (2 Mar 1625-9 Mar 1649)
  6th: William Hamilton (9 Mar 1649-12 Sep 1651)

Earl of Arran    [Scotland, 1581]
  1st: James Stewart (28 Oct 1581-5 Dec 1595)

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

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

Earl of Arran and Cambridge    [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- )

Earl of Arran of the Arran Islands, co. Galway    [Ireland, 1762]
  1st: Arthur Gore (12 Apr 1762-17 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- )

Earl of Arundel    [England, 1067]
  1st: Roger Montgomery (Dec 1067-27 Jul 1094)
  2nd: Hugh Montgomery (27 Jul 1094-1098)
  3rd: Robert Bellême (1098- )

Earl of Arundel    [England, 1138]
  1st: William Aubigny (c 1138-12 Oct 1176)
  2nd: William Aubigny (27 Jun 1190-24 Dec 1193)
  3rd: William Aubigny (24 Dec 1193-b 30 Mar 1221)
  4th: William Aubigny (30 Mar 1221-b 7 Aug 1224)
  5th: Hugh Aubigny (7 Aug 1224-7 May 1243)
  6th: John FitzAlan (27 Nov 1243-b 10 Nov 1267)
  7th: John FitzAlan (10 Dec 1267-18 Mar 1272)
  8th: Richard Fitzalan (18 Mar 1272-9 Mar 1302)
  9th: Edmund Fitzalan (9 Mar 1302-17 Nov 1326)
10th: Richard FitzAlan (1347-24 Jan 1376)
11th: Richard FitzAlan (24 Jan 1376-21 Sep 1397)
12th: Thomas Fitzalan (Oct 1400-13 Oct 1415)
13th: John Arundel (13 Oct 1415-21 Apr 1421)
14th: John Arundel (Nov 1433-12 Jun 1435)
15th: Humphrey FitzAlan (12 Jun 1435-24 Apr 1438)
16th: William Fitzalan (3 Dec 1441-1487)
17th: Thomas FitzAlan (c 1487-25 Oct 1524)
18th: William FitzAlan (25 Oct 1524-23 Jan 1544)
19th: Henry Fitzalan (23 Jan 1544-24 Feb 1580)
20th: Philip Howard (24 Feb 1580-19 Oct 1595)
21st: Thomas Howard (18 Apr 1604-4 Oct 1646)
22nd: Henry Frederick Howard (4 Oct 1646-17 Apr 1652)
23rd: Thomas Howard (17 Apr 1652-13 Dec 1677)

Earl of Arundel    [England, 1289]
  1st: Richard Fitzalan (1289-9 Mar 1302)

Earl of Ashburnham    [Great Britain, 1730]
  1st: John Ashburnham (14 May 1730-10 Mar 1737)
  2nd: John Ashburnham (10 Mar 1737-8 Apr 1812)
  3rd: George Ashburnham (8 Apr 1812-27 Oct 1830)
  4th: Bertram Ashburnham (27 Oct 1830-22 Jun 1878)
  5th: Bertram Ashburnham (22 Jun 1878-15 Jan 1913)
  6th: Thomas Ashburnham (15 Jan 1913-12 May 1924)

Earl of Athlone    [United Kingdom, 1890]
  1st: Albert Victor Christian Edward Saxe-Coburg and Gotha (24 May 1890-14 Jan 1892)

Earl of Athlone    [United Kingdom, 1917]
  1st: Alexander Augustus Frederick William Alfred George Cambridge (16 Jul 1917-16 Jan 1957)

Earl of Athlone, co. Roscommon    [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)

Earl of Atholl    [Scotland, 1115]
  1st: Madach (c 1115-bt 1142-1152)
  2nd: Malcolm (c 1150-bt 1194-1198)
  3rd: Henry (c 1190-b Jan 1211)
  4th: Isabel (c 1210-b 25 Sep 1237)
  5th: Patrick Galloway (c 1231-1242)
  6th: Fernelith (1242- )
  7th: Ada Hastings (c 1250-c 1266)
  8th: David Strathbogie (b Dec 1264-6 Aug 1270)
  9th: John Strathbogie (6 Aug 1270-7 Nov 1306)
10th: David Strathbogie (bt 1307-1308-28 Dec 1326)
11th: David Strathbogie (28 Dec 1326-30 Nov 1335)
12th: David Strathbogie (30 Nov 1335-10 Oct 1369)

Earl of Atholl    [Scotland, 1306]
  1st: Ralph Monthermer (12 Oct 1306-5 Apr 1325)

Earl of Atholl    [Scotland, 1320]
  1st: John Campbell (c 1320-19 Jul 1333)

Earl of Atholl    [Scotland, 1341]
  1st: William Douglas (18 Jul 1341-Aug 1353)

Earl of Atholl    [Scotland, 1342]
  1st: Robert II Stewart (16 Feb 1342-19 Apr 1390)

Earl of Atholl    [Scotland, 1398]
  1st: David Stewart (6 Sep 1398-26 Mar 1402)

Earl of Atholl    [Scotland, 1403]
  1st: Robert Stewart (2 Sep 1403-3 Sep 1420)

Earl of Atholl    [Scotland, 1404]
  1st: Walter Stewart (c 28 Apr 1404-26 Mar 1437)

Earl of Atholl    [Scotland, 1457]
  1st: John Stewart (c 1457-15 Sep 1512)
  2nd: John Stewart (15 Sep 1512-1521)
  3rd: John Stewart (1521-c Nov 1542)
  4th: John Stewart (c 1542-24 Apr 1579)
  5th: John Stewart (24 Apr 1579-25 Aug 1595)

Earl of Atholl    [Scotland, 1596]
  1st: John Stewart (6 Mar 1596-bt 1603-1603)
  2nd: James Stewart (bt 1603-1603-1625)

Earl of Atholl    [Scotland, 1629]
  1st: John Murray (17 Feb 1629-Jun 1642)
  2nd: John Murray (Jun 1642-6 May 1703)
  3rd: John Murray (6 May 1703-14 Nov 1724)
  4th: James Murray (9 Jul 1746-8 Jan 1764)
  5th: John Murray (8 Jan 1764-5 Nov 1774)
  6th: John Murray (5 Nov 1774-29 Sep 1830)
  7th: John Murray (29 Sep 1830-14 Sep 1846)
  8th: George Augustus Frederick John Murray (14 Sep 1846-16 Jan 1864)
  9th: John James Hugh Henry Stewart-Murray (16 Jan 1864-20 Jan 1917)
10th: John George Stewart-Murray (20 Jan 1917-16 Mar 1942)
11th: James Thomas Stewart-Murray (16 Mar 1942-8 May 1957)
12th: George Iain Murray (8 May 1957-27 Feb 1996)
13th: John Murray (27 Feb 1996-15 May 2012)
14th: Bruce George Ronald Murray (15 May 2012- )

Earl Attlee    [United Kingdom, 1955]
  1st: Clement Richard Attlee (16 Dec 1955-8 Oct 1967)
  2nd: Martin Richard Attlee (8 Oct 1967-27 Jul 1991)
  3rd: John Richard Attlee (27 Jul 1991- )

Earl of Auckland    [United Kingdom, 1839]
  1st: George Eden (21 Dec 1839-1 Jan 1849)

Earl of Aumale    [England, 1412]
  1st: Thomas Lancaster (9 Jul 1412-22 Mar 1421)

Earl of Ava, co. Down and Burma    [United Kingdom, 1888]
  1st: Frederick Temple Hamilton-Temple-Blackwood (17 Nov 1888-12 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)

Earl of Avon    [United Kingdom, 1961]
  1st: Robert Anthony Eden (12 Jul 1961-14 Jan 1977)
  2nd: Nicholas Eden (14 Jan 1977-17 Aug 1985)

Earl of Avondale    [Scotland, 1437]
  1st: James Douglas (c 1437-24 Mar 1443)
  2nd: William Douglas (24 Mar 1443-22 Feb 1452)
  3rd: James Douglas (22 Feb 1452-a 22 May 1491)

Earl of Aylesford, co. Kent    [Great Britain, 1714]
  1st: Heneage Finch (19 Oct 1714-22 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- )

Earl of Balcarres    [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- )

Earl Baldwin of Bewdley    [United Kingdom, 1937]
  1st: Stanley Baldwin (8 Jun 1937-14 Dec 1947)
  2nd: Oliver Ridsdale Baldwin (14 Dec 1947-10 Aug 1958)
  3rd: Arthur Windham Baldwin (10 Aug 1958-5 Jul 1976)
  4th: Edward Alfred Alexander Baldwin (5 Jul 1976- )

Earl of Balfour    [United Kingdom, 1922]
  1st: Arthur James Balfour (5 May 1922-19 Mar 1930)
  2nd: Gerald William Balfour (19 Mar 1930-14 Jan 1945)
  3rd: Robert Arthur Lytton Balfour (14 Jan 1945-28 Nov 1968)
  4th: Gerald Arthur James Balfour (28 Nov 1968-27 Jun 2003)
  5th: Roderick Francis Arthur Balfour (27 Jun 2003- )

Earl of Banbury, co. Oxford    [England, 1626]
  1st: William Knollys (18 Aug 1626-25 May 1632)
  2nd: Edward Knollys (25 May 1632-b Jun 1645)
  3rd: Nicholas Vaux (b Jun 1645-14 Mar 1674)
  4th: Charles Knollys (14 Mar 1674-26 Aug 1740)
  5th: Charles Knollys (26 Aug 1740-13 Mar 1771)
  6th: William Knollys (13 Mar 1771-29 Aug 1776)
  7th: Thomas Woods Knollys (29 Aug 1776-18 Mar 1793)
  8th: William Knollys (bt 1793-1813-20 Mar 1834)

Earl of Bandon    [Ireland, 1800]
  1st: Francis Bernard (29 Aug 1800-26 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)

Earl of Bantry, of Bantry, co. Cork    [Ireland, 1816]
  1st: Richard White (22 Jan 1816-2 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)

Earl of Barrymore, co. Cork    [Ireland, 1628]
  1st: David Barry (28 Feb 1628-29 Sep 1642)
  2nd: Richard Barry (29 Sep 1642-Nov 1694)
  3rd: Laurence Barry (Nov 1694-17 Apr 1699)
  4th: James Barry (17 Apr 1699-5 Jan 1748)
  5th: James Barry (5 Jan 1748-19 Dec 1751)
  6th: Richard Barry (19 Dec 1751-1 Aug 1773)
  7th: Richard Barry (1 Aug 1773-6 Mar 1793)
  8th: Henry Barry (6 Mar 1793-18 Dec 1823)

Earl of Bath    [England, 1486]
  1st: Philibert Chandée (6 Jan 1486- )

Earl of Bath    [England, 1536]
  1st: John Bourchier (9 Jul 1536-30 Apr 1539)
  2nd: John Bourchier (30 Apr 1539-10 Feb 1561)
  3rd: William Bourchier (10 Feb 1561-12 Jul 1623)
  4th: Edward Bourchier (12 Jul 1623-2 Mar 1637)
  5th: Henry Bourchier (2 Mar 1637-16 Aug 1654)

Earl of Bath    [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)

Earl of Bath    [Great Britain, 1742]
  1st: William Pulteney (14 Jul 1742-8 Jul 1764)

Earl of Bath, Somerset    [United Kingdom, 1803]
  1st: Henrietta Laura Pulteney (26 Oct 1803-14 Jul 1808)

Earl Bathurst of Bathurst, Sussex    [Great Britain, 1772]
  1st: Allen Bathurst (27 Aug 1772-16 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- )

Earl of Beaconsfield, Buckinghamshire    [United Kingdom, 1876]
  1st: Benjamin Disraeli (21 Aug 1876-19 Apr 1881)

Earl Beatty    [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- )

Earl Beauchamp    [United Kingdom, 1815]
  1st: William Lygon (1 Dec 1815-21 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)

Earl of Beaulieu    [Great Britain, 1784]
  1st: Edward Hussey-Montagu (8 Jul 1784-25 Nov 1802)

Earl of Bective, of Bective Castle, co. Meath    [Ireland, 1766]
  1st: Thomas Taylour (24 Oct 1766-14 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- )

Earl of Bedford    [England, 1138]
  1st: Hugh Meulan (1138- )

Earl of Bedford    [England, 1366]
  1st: Enguerrand VII Coucy (11 May 1366-18 Feb 1397)

Earl of Bedford    [England, 1550]
  1st: John Russell (19 Jan 1550-14 Mar 1555)
  2nd: Francis Russell (14 Mar 1555-28 Jul 1585)
  3rd: Edward Russell (28 Jul 1585-3 May 1627)
  4th: Francis Russell (3 May 1627-9 May 1641)
  5th: William Russell (9 May 1641-7 Sep 1700)
  6th: Wriothesley Russell (7 Sep 1700-26 May 1711)
  7th: Wriothesley Russell (26 May 1711-23 Oct 1732)
  8th: John Russell (23 Oct 1732-14 Jan 1771)
  9th: Francis Russell (14 Jan 1771-2 Mar 1802)
10th: John Russell (2 Mar 1802-20 Oct 1839)
11th: Francis Russell (20 Oct 1839-14 May 1861)
12th: William Russell (14 May 1861-27 May 1872)
13th: Francis Charles Hastings Russell (27 May 1872-14 Jan 1891)
14th: George William Francis Sackville Russell (14 Jan 1891-23 Mar 1893)
15th: Herbrand Arthur Russell (23 Mar 1893-27 Aug 1940)
16th: Hastings William Sackville Russell (27 Aug 1940-9 Oct 1953)
17th: 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- )

Earl of Belfast    [Ireland, 1791]
  1st: Arthur Chichester (4 Jul 1791-5 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- )

Earl of Bellomont, in our Kingdom of Ireland    [Ireland, 1689]
  1st: Richard Coote (2 Nov 1689-5 Mar 1701)
  2nd: Nanfan Coote (5 Mar 1701-14 Jun 1708)
  3rd: Richard Coote (14 Jun 1708-10 Feb 1766)

Earl of Bellomont, in our Kingdom of Ireland    [Ireland, 1767]
  1st: Charles Coote (4 Sep 1767-20 Oct 1800)

Earl of Bellomont, in our Kingdon of Ireland    [Ireland, 1680]
  1st: Charles Henry Kirkhoven (9 Dec 1680-5 Jan 1683)

Earl of Belmore    [Ireland, 1797]
  1st: Armar Lowry-Corry (30 Nov 1797-2 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- )

Earl of Belvidere, of co. Westmeath    [Ireland, 1756]
  1st: Robert Rochfort (29 Nov 1756-13 Nov 1774)
  2nd: George Rochfort (13 Nov 1774-13 May 1814)

Earl of Berkeley, co. Gloucester    [England, 1679]
  1st: George Berkeley (11 Sep 1679-14 Oct 1698)
  2nd: Charles Berkeley (14 Oct 1698-24 Sep 1710)
  3rd: James Berkeley (24 Sep 1710-17 Aug 1736)
  4th: Augustus Berkeley (17 Aug 1736-9 Jan 1755)
  5th: Frederick Augustus Berkeley (9 Jan 1755-8 Aug 1810)
  6th: Thomas Moreton FitzHardinge Berkeley (8 Aug 1810-27 Aug 1882)
  7th: George Lennox Rawdon Berkeley (27 Aug 1882-27 Aug 1888)
  8th: Randal Thomas Mowbray Berkeley (27 Aug 1888-15 Jan 1942)

Earl of Berkhamsted    [United Kingdom, 1917]
  1st: Alexander Albert Mountbatten (18 Jul 1917-23 Feb 1960)

Earl of Berkshire    [England, 1621]
  1st: Francis Norris (28 Jan 1621-29 Jan 1622)

Earl of Berkshire    [England, 1626]
  1st: Thomas Howard (5 Feb 1626-16 Jul 1669)
  2nd: Charles Howard (16 Jul 1669-Apr 1679)
  3rd: Thomas Howard (Apr 1679-12 Apr 1706)
  4th: Henry Bowes Howard (12 Apr 1706-21 Mar 1757)

Earl of Bessborough    [Ireland, 1739]
  1st: Brabazon Ponsonby (6 Oct 1739-4 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- )

Earl of Bessborough    [United Kingdom, 1937]
  1st: Vere Brabazon Ponsonby (2 Jun 1937-10 Mar 1956)
  2nd: Frederick Edward Neuflize Ponsonby (10 Mar 1956-5 Dec 1993)

Earl of Beverley, co. York    [Great Britain, 1790]
  1st: Algernon Percy (2 Nov 1790-21 Oct 1830)
  2nd: George Percy (21 Oct 1830-22 Aug 1867)

Earl of Bindon, Dorset    [Great Britain, 1706]
  1st: Henry Howard (30 Dec 1706-19 Sep 1718)
  2nd: Charles William Howard (19 Sep 1718-8 Feb 1722)

Earl of Birkenhead    [United Kingdom, 1922]
  1st: Frederick Edwin Smith (28 Nov 1922-30 Sep 1930)
  2nd: Frederick Winston Furneaux Smith (30 Sep 1930-10 Jun 1975)
  3rd: Frederick William Robin Smith (10 Jun 1975-16 Feb 1985)

Earl of Blesington    [United Kingdom, 1816]
  1st: Charles John Gardiner (12 Jan 1816-25 May 1829)

Earl of Blesington, co. Wicklow    [Ireland, 1745]
  1st: William Stewart (7 Dec 1745-14 Aug 1769)

Earl of Bolingbroke    [England, 1624]
  1st: Oliver St. John (28 Dec 1624-Jun 1646)
  2nd: Oliver St. John (Jun 1646-18 Mar 1688)
  3rd: Paulet St. John (18 Mar 1688-5 Oct 1711)

Earl of Bothwell    [Scotland, 1488]
  1st: Patrick Hepburn (17 Oct 1488-18 Oct 1508)
  2nd: Adam Hepburn (18 Oct 1508-9 Sep 1513)
  3rd: Patrick Hepburn (9 Sep 1513-Sep 1556)
  4th: James Hepburn (Sep 1556-14 Apr 1578)

Earl of Bothwell    [Scotland, 1581]
  1st: Francis Stewart (16 Jun 1581-4 Nov 1613)

Earl of Bradford, co. Shropshire    [England, 1694]
  1st: Francis Newport (11 May 1694-19 Sep 1708)
  2nd: Richard Newport (19 Sep 1708-14 Jun 1723)
  3rd: Henry Newport (14 Jun 1723-23 Dec 1734)
  4th: Thomas Newport (23 Dec 1734-18 Apr 1762)

Earl of Bradford, co. Shropshire    [United Kingdom, 1815]
  1st: Orlando Bridgeman (30 Nov 1815-7 Sep 1825)
  2nd: George Augustus Frederick Henry Bridgeman (7 Sep 1825-22 Mar 1865)
  3rd: Orlando George Charles Bridgeman (22 Mar 1865-9 Mar 1898)
  4th: George Cecil Orlando Bridgeman (9 Mar 1898-2 Jan 1915)
  5th: Orlando Bridgeman (2 Jan 1915-21 Mar 1957)
  6th: Gerald Michael Orlando Bridgeman (21 Mar 1959-30 Aug 1981)
  7th: Richard Thomas Orlando Bridgeman (30 Aug 1981- )

Earl Brassey, of Bulkeley, Lancashire    [United Kingdom, 1911]
  1st: Thomas Brassey (5 Jul 1911-23 Feb 1918)
  2nd: Thomas Allnutt Brassey (23 Feb 1918-12 Nov 1919)

Earl Breadalbane and Holland    [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)

Earl of the County of Brecknock    [United Kingdom, 1812]
  1st: John Jeffreys Pratt (7 Sep 1812-8 Oct 1840)
  2nd: George Charles Pratt (8 Oct 1840-6 Aug 1866)
  3rd: John Charles Pratt (6 Aug 1866-4 May 1872)
  4th: John Charles Pratt (4 May 1872-15 Dec 1943)
  5th: John Charles Henry Pratt (14 Dec 1943-22 Mar 1983)
  6th: David George Edward Henry Pratt (22 Mar 1983- )

Earl of Brentford, co. Middlesex    [England, 1644]
  1st: Patrick Ruthven (27 May 1644-2 Feb 1651)

Earl of Bridgwater    [England, 1538]
  1st: Henry Daubeney (19 Jul 1538-12 Apr 1548)

Earl of Bridgwater    [England, 1617]
  1st: John Egerton (27 May 1617-4 Dec 1649)
  2nd: John Egerton (4 Dec 1649-26 Oct 1686)
  3rd: John Egerton (26 Oct 1686-19 Mar 1701)
  4th: Scroop Egerton (19 Mar 1701-11 Jan 1745)
  5th: John Egerton (11 Jan 1745-26 Feb 1748)
  6th: Francis Egerton (26 Feb 1748-8 Mar 1803)
  7th: John William Egerton (8 Mar 1803-21 Oct 1823)
  8th: Francis Henry Egerton (21 Oct 1823-11 Feb 1829)

Earl of Bristol    [England, 1622]
  1st: John Digby (15 Sep 1622-21 Jan 1653)
  2nd: George Digby (21 Jan 1653-20 Mar 1677)
  3rd: John Digby (20 Mar 1677-18 Sep 1698)

Earl of Bristol    [Great Britain, 1714]
  1st: John Hervey (19 Oct 1714-20 Jan 1751)
  2nd: George William Hervey (20 Jan 1751-18 Mar 1775)
  3rd: Augustus John Hervey (18 Mar 1775-23 Sep 1779)
  4th: Frederick Augustus Hervey (23 Sep 1779-8 Jul 1803)
  5th: Frederick William Hervey (8 Jul 1803-15 Feb 1859)
  6th: Frederick William Hervey (15 Feb 1859-30 Oct 1864)
  7th: Frederick William John Hervey (30 Oct 1864-7 Aug 1907)
  8th: Frederick William Fane Hervey (7 Aug 1907-24 Oct 1951)
  9th: Herbert Arthur Robert Hervey (24 Oct 1951-5 Apr 1960)
10th: Victor Frederick Cochrane Hervey (5 Apr 1960-10 Mar 1985)
11th: Frederick William John Augustus Hervey (10 Mar 1985-10 Jan 1999)
12th: Frederick William Augustus Hervey (10 Jan 1999- )

Earl Brooke of Warwick Castle    [Great Britain, 1746]
  1st: Francis Greville (7 Jul 1746-6 Jul 1773)
  2nd: George Greville (6 Jul 1773-2 May 1816)
  3rd: Henry Richard Greville (2 May 1816-10 Aug 1853)
  4th: George Guy Greville (10 Aug 1853-2 Dec 1893)
  5th: Francis Richard Charles Guy Greville (2 Dec 1893-15 Jan 1924)
  6th: Leopold Guy Francis Maynard Greville (15 Jan 1924-31 Jan 1928)
  7th: Charles Guy Fulke Greville (31 Jan 1928-20 Jan 1984)
  8th: David Robin Francis Guy Greville (20 Jan 1984-20 Jan 1996)
  9th: Guy David Greville (20 Jan 1996- )

Earl Brownlow    [United Kingdom, 1815]
  1st: John Cust (17 Nov 1815-15 Sep 1853)
  2nd: John William Spencer Brownlow Egerton-Cust (3 Jan 1851-20 Feb 1867)
  3rd: Adelbert Wellington Brownlow Cust (20 Feb 1867-17 Mar 1921)

Earl Bruce of Whorlton, co. York    [United Kingdom, 1821]
  1st: Charles Brudenell-Bruce (17 Jul 1821-4 Jan 1856)
  2nd: George William Frederick Brudenell-Bruce (4 Jan 1856-6 Jan 1878)
  3rd: Ernest Augustus Charles Brudenell-Bruce (6 Jan 1878-18 Oct 1886)
  4th: George William Thomas Brudenell-Bruce (18 Oct 1886-10 Apr 1894)
  5th: Henry Augustus Brudenell-Bruce (10 Apr 1894-10 Mar 1911)
  6th: George William James Chandos Brudenell-Bruce (10 Mar 1911-4 Aug 1961)
  7th: Chandos Sydney Cedric Brudenell-Bruce (4 Aug 1961-15 Jul 1974)
  8th: Michael Sydney Cedric Brudenell-Bruce (15 Jul 1974- )

Earl of Buccleuch    [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- )

Earl of Buchan    [Scotland, 1115]
  1st: Gartnach (c 1115-a 1132)
  2nd: Eve (a 1132- )
  3rd: Roger
  4th: Fergus ( -b 1199)
  5th: Margaret (b 1199-bt 1242-1244)
  6th: Alexander Comyn (1233-b 6 Apr 1290)
  7th: John Comyn (1290-bt 1308-1308)

Earl of Buchan    [England, 1334]
  1st: Henry Beaumont (22 Jan 1334-b 10 Mar 1340)

Earl of Buchan    [Scotland, 1382]
  1st: Alexander Stewart (25 Jul 1382-24 Jul 1394)
  2nd: Robert Stewart (24 Jul 1394-3 Sep 1420)
  3rd: John Stewart (20 Sep 1406-17 Aug 1424)
  4th: Robert Stewart (17 Aug 1424-a 1431)

Earl of Buchan    [Scotland, 1444]
  1st: Mary Stewart (c 1444-20 Mar 1465)

Earl of Buchan    [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: James Erskine (b 1617-Jan 1640)
  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- )

Earl of Buckingham    [England, 1097]
  1st: Walter Giffard (c 1097-15 Jul 1102)
  2nd: Walter Giffard (15 Jul 1102-1164)

Earl of Buckingham    [England, 1377]
  1st: Thomas Woodstock (16 Jul 1377-8 Sep 1397)
  2nd: Anne Woodstock (1399-bt 1438-1438)
  3rd: Humphrey Stafford (16 Oct 1438-10 Jul 1460)
  4th: Henry Stafford (10 Jul 1460-2 Nov 1483)
  5th: Edward Stafford (2 Nov 1483-15 May 1521)

Earl of Buckingham    [England, 1617]
  1st: George Villiers (5 Jan 1617-23 Aug 1628)
  2nd: George Villiers (23 Aug 1628-16 Apr 1687)

Earl of Buckingham    [England, 1618]
  1st: Mary Beaumont (1 Jul 1618-19 Apr 1632)

Earl of Buckinghamshire    [Great Britain, 1746]
  1st: John Hobart (5 Sep 1746-22 Sep 1756)
  2nd: John Hobart (22 Sep 1756-3 Aug 1793)
  3rd: George Hobart (3 Aug 1793-14 Oct 1804)
  4th: Robert Hobart (14 Oct 1804-4 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- )

Earl of Burlington    [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- )

Earl of Burlington, co. York    [England, 1665]
  1st: Richard Boyle (20 Mar 1665-15 Jan 1698)
  2nd: Charles Boyle (13 Jan 1698-9 Feb 1704)
  3rd: Richard Boyle (9 Feb 1704-3 Dec 1753)

Earl of Bute    [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- )

Earl of Buxton    [United Kingdom, 1920]
  1st: Sydney Charles Buxton (8 Nov 1920-15 Oct 1934)

Earl Cadogan    [Great Britain, 1800]
  1st: Charles Sloane Cadogan (27 Dec 1800-3 Apr 1807)
  2nd: Charles Henry Sloane Cadogan (3 Apr 1807-23 Dec 1832)
  3rd: George Cadogan (23 Dec 1832-15 Sep 1864)
  4th: Henry Charles Cadogan (15 Sep 1864-8 Jun 1873)
  5th: George Henry Cadogan (8 Jun 1873-6 Mar 1915)
  6th: Gerald Oakley Cadogan (6 Mar 1915-4 Oct 1933)
  7th: William Gerald Charles Cadogan (4 Oct 1933-4 Jul 1997)
  8th: Charles Gerald John Cadogan (4 Jul 1997- )

Earl Cadogan, co. Denbigh    [Great Britain, 1718]
  1st: William Cadogan (8 May 1718-17 Jul 1726)

Earl Cairns    [United Kingdom, 1878]
  1st: Hugh MacCalmont Cairns (27 Sep 1878-2 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- )

Earl of Caithness    [Scotland, 1014]
  4th: Paul

Earl of Caithness    [Scotland, 1030]
  1st: Thorfinn II (c 1030-bt 1056-1065)
  2nd: Erlend (c 1056-1099)
  2nd: Paul (c 1056-1099)
  3rd: Haakon (c 1099- )
  3rd: Magnus (c 1099-1117)
  4th: Rognvald (a 1156-1158)
  5th: Harald I
  6th: Erlend Ugni
  6th: Harald Ugni (1158-1198)
  7th: Magnus (1232-1239)
  7th: Harald Maddadson (1198-1206)
  8th: Malcolm (1239- )
  8th: David Haraldssen (1206-1214)
  9th: John (b 1312-b 28 Oct 1312)
  9th: John Haraldssen (1214-1231)
10th: Freskin Moray ( -b 1269)
11th: Reynald Cheyne

Earl of Caithness    [Scotland, 1375]
  1st: David Stewart (b Nov 1375-b 5 Mar 1389)
  2nd: Eupheme Stewart (b 5 Mar 1389-15 Oct 1434)
  3rd: Walter Stewart (b Jul 1402-26 Mar 1437)
  4th: Alexander Stewart (c 1428-1431)

Earl of Caithness    [Scotland, 1430]
  1st: Alexander Stewart (15 May 1430-1431)
  2nd: Walter Stewart (1431-26 Mar 1437)

Earl of Caithness    [Scotland, 1452]
  1st: George Crichton (8 Jul 1452-Aug 1454)

Earl of Caithness    [Scotland, 1455]
  1st: William Sinclair (28 Aug 1455-b 21 May 1480)
  2nd: William Sinclair (c 1480-9 Sep 1513)
  3rd: John Sinclair (9 Sep 1513-18 May 1529)
  4th: George Sinclair (18 May 1529-9 Sep 1582)
  5th: George Sinclair (9 Sep 1582-Feb 1643)
  6th: George Sinclair (Feb 1643-May 1676)
  7th: George Sinclair (May 1676-1698)
  8th: John Sinclair (1698-1705)
  9th: Alexander Sinclair (1705-9 Dec 1765)
10th: William Sinclair (9 Dec 1765-29 Nov 1779)
11th: John Sinclair (29 Nov 1779-8 Apr 1789)
12th: James Sinclair (8 Apr 1789- )
13th: Alexander Campbell Sinclair (16 Jul 1823-24 Dec 1855)
14th: James Sinclair (24 Dec 1855-28 Mar 1881)
15th: George Philips Alexander Sinclair (28 Mar 1881-25 May 1889)
16th: James Augustus Sinclair (25 May 1889-20 Jan 1891)
17th: John Sutherland Sinclair (20 Jan 1891-30 May 1914)
18th: Norman Macleod Buchan (30 May 1914-25 Mar 1947)
19th: James Roderick Sinclair (25 Mar 1947-1965)
20th: Malcolm Ian Sinclair (8 May 1965- )

Earl of Caithness    [Scotland, 1677]
  1st: John Campbell (28 Jun 1677-19 Mar 1717)

Earl of Caledon, of Caledon, co. Tyrone    [Ireland, 1800]
  1st: James Alexander (29 Dec 1800-22 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- )

Earl of Callendar, Lord Livingston and Almond    [Scotland, 1641]
  1st: James Livingston (6 Oct 1641-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)

Earl of Cambridge    [England, 1340]
  1st: Wilhelm I Jülich (7 May 1340-Feb 1361)

Earl of Cambridge    [England, 1362]
  1st: Edmund Langley (13 Nov 1362-1 Aug 1402)
  2nd: Edward York (1 Aug 1402-25 Oct 1415)

Earl of Cambridge    [England, 1414]
  1st: Richard York (1 May 1414-5 Aug 1415)
  2nd: Richard Plantagenet (19 May 1426-30 Dec 1460)
  3rd: Edward IV Plantagenet (30 Dec 1460-9 Apr 1483)

Earl of Cambridge    [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)

Earl of Cambridge    [England, 1659]
  1st: Henry Stuart (13 May 1659-13 Sep 1660)

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

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

Earl Camden    [Great Britain, 1786]
  1st: Charles Pratt (13 May 1786-18 Apr 1794)
  2nd: John Jeffreys Pratt (18 Apr 1794-8 Oct 1840)
  3rd: George Charles Pratt (8 Oct 1840-6 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- )

Earl of Campbell and Cowall    [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- )

Earl of Camperdown of Lundie, co. Forfar and of Gleneagles, co. Perth    [United Kingdom, 1831]
  1st: Robert Dundas Duncan-Haldane (12 Sep 1831-22 Dec 1859)
  2nd: Adam Duncan-Haldane (22 Dec 1859-30 Jan 1867)
  3rd: Robert Adam Philips Haldane-Duncan (30 Jan 1859-5 Jun 1918)
  4th: George Alexander Philips Haldane-Duncan (5 Jun 1918-5 Dec 1933)

Earl Canning    [United Kingdom, 1859]
  1st: Charles John Canning (21 May 1859-17 Jun 1862)

Earl of Carbery, co. Cork    [Ireland, 1628]
  1st: John Vaughan (5 Aug 1628-6 May 1634)
  2nd: Richard Vaughan (6 May 1634-3 Dec 1686)
  3rd: John Vaughan (3 Dec 1686-16 Jan 1713)

Earl of Cardigan    [England, 1661]
  1st: Thomas Brudenell (20 Apr 1661-16 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- )

Earl of Carhampton    [Ireland, 1785]
  1st: Simon Luttrell (23 Jun 1785-14 Jan 1787)
  2nd: Henry Lawes Luttrell (14 Jan 1787-25 Apr 1821)
  3rd: John Luttrell-Olmius (25 Apr 1821-19 Mar 1829)

Earl of Carlingford, co. Louth    [Ireland, 1661]
  1st: Theobald Taaffe (26 Jun 1661-31 Dec 1677)
  2nd: Nicholas Taaffe (31 Dec 1677-1 Jul 1690)
  3rd: Francis Taaffe (2 Jul 1690-Aug 1704)
  4th: Theobald Taaffe (Aug 1704-24 Nov 1738)

Earl of Carlisle    [England, 1322]
  1st: Andrew Harcla (25 Mar 1322-3 Mar 1323)

Earl of Carlisle    [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- )

Earl of Carlisle, co. Cumberland    [England, 1622]
  1st: James Hay (13 Sep 1622-25 Apr 1636)
  2nd: James Hay (25 Apr 1636-30 Oct 1660)

Earl of Carnarvon    [England, 1628]
  1st: Robert Dormer (2 Aug 1628-20 Sep 1643)
  2nd: Charles Dormer (20 Sep 1643-29 Nov 1709)

Earl of Carnarvon    [Great Britain, 1714]
  1st: James Brydges (9 Oct 1714-9 Aug 1744)
  2nd: Henry Brydges (9 Aug 1744-28 Nov 1771)
  3rd: James Brydges (28 Nov 1771-29 Sep 1789)

Earl of The Town and County of Carnarvon    [Great Britain, 1793]
  1st: Henry Herbert (3 Jul 1793-3 Jun 1811)
  2nd: Henry George Herbert (Jun 1811-16 Apr 1833)
  3rd: Henry John George Herbert (16 Apr 1833-10 Dec 1849)
  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- )

Earl of Carnwath    [Scotland, 1639]
  1st: Robert Dalzell (21 Apr 1639-c Jun 1654)
  2nd: Gavin Dalzell (c Jun 1654-Jun 1674)
  3rd: James Dalzell (Jun 1674-1683)
  4th: John Dalzell (1683-7 Jun 1702)
  5th: Robert Dalzell (7 Jun 1702-4 Aug 1737)
  6th: Alexander Dalzell (1737-3 Apr 1787)
  6th: Robert Alexander Dalzell (26 May 1826-1 Jan 1839)
  7th: Thomas Henry Dalzell (1 Jan 1839-14 Dec 1867)
  8th: Henry Arthur Hew Dalzell (14 Dec 1867-13 Mar 1873)
  9th: Arthur Alexander Dalzell (13 Mar 1873-28 Apr 1875)
10th: Harry Burrard Dalzell (28 Apr 1875-1 Nov 1887)
11th: Robert Harris Dalzell (1 Nov 1887-8 Mar 1910)
12th: Ronald Arthur Dalzell (8 Mar 1910-11 Jul 1931)
13th: Arthur Edward Dalzell (11 Jul 1931-9 Mar 1941)

Earl of Carrick    [Scotland, 1186]
  1st: Duncan (c 1186-13 Jun 1250)
  2nd: Neil (13 Jun 1250-1256)
  3rd: Margaret (1256-b 9 Nov 1292)

Earl of Carrick    [Scotland, 1292]
  1st: Robert I Bruce (27 Oct 1292-7 Jun 1329)

Earl of Carrick    [Scotland, 1313]
  1st: Edward Bruce (b 24 Oct 1313-14 Oct 1318)

Earl of Carrick    [Scotland, 1328]
  1st: David II Bruce (bt 1328-1328-22 Feb 1371)

Earl of Carrick    [Scotland, 1330]
  1st: Alexander Bruce (c 1330-19 Jul 1333)

Earl of Carrick    [Scotland, 1362]
  1st: William Cunynghame (12 Sep 1362-bt 1396-1399)

Earl of Carrick    [Scotland, 1368]
  1st: Robert III Stewart (22 Jun 1368-4 Apr 1406)

Earl of Carrick    [Scotland, 1391]
  1st: David Stewart (bt 1390-1391-26 Mar 1402)

Earl of Carrick    [England, 1594]
  1st: Henry Frederick Stuart (19 Feb 1594-6 Nov 1612)

Earl of Carrick    [Scotland, 1602]
  1st: Robert Bruce Stuart (2 May 1602-27 May 1602)

Earl of Carrick, co. Tipperary    [Ireland, 1748]
  1st: Somerset Hamilton Butler (10 Jun 1748-15 Apr 1774)
  2nd: Henry Thomas Butler (15 Apr 1774-20 Jul 1813)
  3rd: Somerset Richard Butler (20 Jul 1813-4 Feb 1838)
  4th: Henry Thomas Butler (4 Feb 1838-16 Apr 1846)
  5th: Somerset Arthur Butler (16 Apr 1846-22 Dec 1901)
  6th: Charles Henry Somerset Butler (22 Dec 1901-6 Apr 1909)
  7th: Charles Ernest Alfred French Somerset Butler (6 Apr 1909-2 Nov 1931)
  8th: Theobald Walter Somerset Henry Butler (2 Nov 1931-31 Jul 1957)
  9th: Brian Stuart Theobald Somerset Caher Butler (31 Jul 1957-c 8 Oct 1992)
10th: David James Theobald Somerset Butler (1992-8 Jan 2008)
11th: Arion Thomas Piers Hamilton Butler (8 Jan 2008- )

Earl of Carrick, in Orkney    [Scotland, 1628]
  1st: John Stewart (22 Jul 1628-fr 1643-1646)

Earl Carrington    [United Kingdom, 1895]
  1st: Charles Robert Wynn-Carington (16 Jul 1895-13 Jun 1928)

Earl of Carysfort    [Ireland, 1789]
  1st: John Joshua Proby (20 Aug 1789-7 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)

Earl of Cassillis    [Scotland, 1509]
  1st: David Kennedy (23 Oct 1509-9 Sep 1513)
  2nd: Gilbert Kennedy (9 Sep 1513-bt 1527-1527)
  3rd: Gilbert Kennedy (Aug 1527-28 Nov 1558)
  4th: Gilbert Kennedy (28 Nov 1558-14 Dec 1576)
  5th: John Kennedy (14 Dec 1576-Oct 1615)
  6th: John Kennedy (25 Jul 1616-Apr 1668)
  7th: John Kennedy (22 Sep 1668-23 Jul 1701)
  8th: John Kennedy (23 Jul 1701-7 Aug 1759)
  9th: Thomas Kennedy (27 Jan 1762-30 Nov 1775)
10th: David Kennedy (30 Nov 1775-18 Dec 1792)
11th: Archibald Kennedy (18 Dec 1792-30 Dec 1794)
12th: Archibald Kennedy (30 Dec 1794-8 Sep 1846)
13th: Archibald Kennedy (8 Sep 1846-20 Mar 1870)
14th: Archibald Kennedy (20 Mar 1870-9 Apr 1938)
15th: Archibald Kennedy (9 Apr 1938-27 Feb 1943)
16th: Charles Kennedy (27 Feb 1943-1 Jun 1956)
17th: Angus Kennedy (1 Jun 1956-31 May 1957)
18th: Archibald David Kennedy (31 May 1957-7 Apr 1994)
19th: Archibald Angus Charles Kennedy (7 Apr 1994- )

Earl Castle Stewart, co. Tyrone    [Ireland, 1800]
  1st: Andrew Thomas Stewart (30 Dec 1800-26 Aug 1809)
  2nd: Robert Stewart (26 Aug 1809-10 Jun 1854)
  3rd: Edward Stewart (10 Jun 1854-20 Feb 1857)
  4th: Charles Andrew Knox Stewart (20 Feb 1857-12 Sep 1874)
  5th: Henry James Stuart-Richardson (12 Sep 1874-5 Jun 1914)
  6th: Andrew John Stuart (5 Jun 1914-7 Nov 1921)
  7th: Arthur Stuart (7 Nov 1921-5 Nov 1961)
  8th: Arthur Patrick Avondale Stuart (5 Nov 1961- )

Earl of Castlehaven, co. Cork    [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)

Earl of Castlemaine, co. Kerry    [Ireland, 1661]
  1st: Roger Palmer (11 Dec 1661-28 Jul 1705)

Earl Castleton of Sandbeck, co. York    [Great Britain, 1720]
  1st: James Saunderson (18 Jun 1720-23 May 1723)

Earl Cathcart    [United Kingdom, 1814]
  1st: William Schaw Cathcart (16 Jul 1814-16 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- )

Earl of Catherlough    [Ireland, 1763]
  1st: Robert Knight (14 May 1763-30 Mar 1772)

Earl of the County of Cavan    [Ireland, 1647]
  1st: Charles Lambart (1 Apr 1647-25 Jun 1660)
  2nd: Richard Lambart (25 Jun 1660-b May 1691)
  3rd: Charles Lambart (b May 1691-5 Dec 1702)
  4th: Richard Lambart (5 Dec 1702-8 Mar 1741)
  5th: Ford Lambart (10 Mar 1741-29 Sep 1772)
  6th: Richard Lambart (29 Sep 1772-2 Nov 1778)
  7th: Richard Ford William Lambart (2 Nov 1778-21 Nov 1837)
  8th: Frederick John William Lambart (21 Nov 1837-15 Dec 1887)
  9th: Frederick Edward Gould Lambart (16 Dec 1887-14 Jul 1900)
10th: Frederick Rudolph Lambart (14 Jul 1900-28 Aug 1946)
11th: Horace Edward Samuel Sneade Lambart (28 Aug 1946-9 Dec 1950)
12th: Michael Edward Oliver Lambart (9 Dec 1950-17 Nov 1988)
13th: Roger Cavan Lambart (17 Nov 1988- )

Earl Cave of Richmond    [United Kingdom, 1928]
  1st: Anne Estella Sarah Penfold Mathews (8 May 1928-7 Jan 1938)

Earl Cawdor of Castlemartin, co. Pembroke    [United Kingdom, 1827]
  1st: John Frederick Campbell (5 Oct 1827-7 Nov 1860)
  2nd: John Frederick Vaughan Campbell (7 Nov 1860-29 Mar 1898)
  3rd: Frederick Archibald Vaughan Campbell (29 Mar 1898-8 Feb 1911)
  4th: Hugh Frederick Vaughan Campbell (8 Feb 1911-7 Jan 1914)
  5th: John Duncan Vaughan Campbell (7 Jan 1914-1970)
  6th: Hugh John Vaughan Campbell (9 Jan 1970-20 Jun 1993)
  7th: Colin Robert Vaughan Campbell (1993- )

Earl of Charlemont, co. Armagh    [Ireland, 1763]
  1st: James Caulfeild (23 Dec 1763-4 Aug 1799)
  2nd: Francis William Caulfeild (4 Aug 1799-26 Dec 1863)
  3rd: James Molyneux Caulfeild (26 Dec 1863-12 Jan 1892)

Earl of Charleville    [Ireland, 1806]
  1st: Charles William Bury (16 Feb 1806-31 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)

Earl of Chatham, co. Kent    [Great Britain, 1766]
  1st: William Pitt (4 Aug 1766-11 May 1778)
  2nd: John Pitt (11 May 1778-24 Sep 1835)

Earl of Chester    [England, 1071]
  1st: Hugh Avranches (1071-27 Jul 1101)
  2nd: Richard Avranches (27 Jul 1101-25 Nov 1120)
  3rd: Hugh Kevelioc (16 Dec 1153-30 Jun 1181)
  4th: Ranulf Blundeville (1181-c 27 Oct 1232)

Earl of Chester    [England, 1121]
  1st: Ranulph Meschin (1121-17 Jan 1129)
  2nd: Ranulph Gernon (c 1129-16 Dec 1153)

Earl of Chester    [England, 1232]
  1st: John Scot (21 Nov 1232-5 Jun 1237)

Earl of Chester    [England, 1254]
  1st: Edward I 'Longshanks' (14 Feb 1254-7 Jul 1307)

Earl of Chester    [England, 1264]
  1st: Simon Montfort (24 Dec 1264-4 Aug 1265)

Earl of Chester    [England, 1284]
  1st: Alfonso England (1284-19 Aug 1284)

Earl of Chester    [England, 1301]
  1st: Edward II (7 Feb 1301-21 Sep 1327)

Earl of Chester    [England, 1312]
  1st: Edward III (24 Nov 1312-21 Jun 1377)

Earl of Chester    [England, 1333]
  1st: Edward Woodstock (18 Mar 1333-8 Jun 1376)

Earl of Chester    [England, 1376]
  1st: Richard II (10 Nov 1376-6 Jan 1400)

Earl of Chester    [England, 1399]
  1st: Henry V Plantagenet (15 Oct 1399-31 Aug 1422)

Earl of Chester    [England, 1454]
  1st: Edward Plantagenet (15 Mar 1454-4 May 1471)

Earl of Chester    [England, 1471]
  1st: Edward V Plantagenet (25 Jun 1471-a Nov 1483)

Earl of Chester    [England, 1489]
  1st: Arthur Tudor (29 Nov 1489-2 Apr 1502)

Earl of Chester    [England, 1504]
  1st: Henry VIII Tudor (18 Feb 1504-28 Jan 1547)

Earl of Chester    [England, 1610]
  1st: Henry Frederick Stuart (4 Jun 1610-6 Nov 1612)

Earl of Chester    [England, 1616]
  1st: Charles I Stuart (4 Nov 1616-30 Jan 1649)

Earl of Chester    [Great Britain, 1714]
  1st: George II Augustus Hanover (27 Sep 1714-25 Oct 1760)

Earl of Chester    [Great Britain, 1729]
  1st: Frederick Louis Hanover (8 Jan 1729-20 Mar 1751)

Earl of Chester    [Great Britain, 1751]
  1st: George III Hanover (20 Apr 1751-29 Jan 1820)

Earl of Chester    [Great Britain, 1762]
  1st: George IV Hanover (17 Aug 1762-26 Jun 1830)

Earl of Chester    [United Kingdom, 1841]
  1st: Edward VII Saxe-Coburg and Gotha (8 Dec 1841-6 May 1910)

Earl of Chester    [United Kingdom, 1901]
  1st: George V Windsor (9 Nov 1901-20 Jan 1936)

Earl of Chester    [United Kingdom, 1958]
  1st: Charles Philip Arthur George Mountbatten-Windsor (26 Jul 1958- )

Earl of Chesterfield    [England, 1660]
  1st: Catherine Wotton (29 May 1660-9 Apr 1667)

Earl of Chesterfield, co. Derby    [England, 1628]
  1st: Philip Stanhope (4 Aug 1628-12 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)

Earl of Chichester    [England, 1675]
  1st: Charles Fitzroy (10 Sep 1675-9 Sep 1730)
  2nd: William Fitzroy (9 Sep 1730-18 May 1774)

Earl of Chichester    [United Kingdom, 1801]
  1st: Thomas Pelham (2 Jun 1801-8 Jan 1805)
  2nd: Thomas Pelham (8 Jan 1805-4 Jul 1826)
  3rd: Henry Thomas Pelham (4 Jul 1826-15 Mar 1886)
  4th: Walter John Pelham (16 Mar 1886-28 May 1902)
  5th: Francis Godolphin Pelham (28 May 1902-21 Apr 1905)
  6th: Jocelyn Brudenell Pelham (21 Apr 1905-14 Nov 1926)
  7th: Francis Godolphin Henry Pelham (14 Nov 1926-22 Nov 1926)
  8th: John Buxton Pelham (22 Nov 1926-21 Feb 1944)
  9th: John Nicholas Pelham (14 Apr 1944- )

Earl of Chichester, co. Sussex    [England, 1644]
  1st: Francis Leigh (3 Jun 1644-21 Dec 1653)
  2nd: Thomas Wriothesley (21 Dec 1653-16 May 1667)

Earl of Cholmondeley, co. Chester    [England, 1706]
  1st: Hugh Cholmondeley (29 Dec 1706-18 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- )

Earl of Clanbrassill, co. Armagh    [Ireland, 1647]
  1st: James Hamilton (7 Jun 1647-20 Jun 1659)
  2nd: Henry Hamilton (20 Jun 1659-12 Jan 1675)

Earl of Clanbrassill, co. Armagh    [Ireland, 1756]
  1st: James Hamilton (24 Nov 1756-17 Mar 1758)
  2nd: James Hamilton (17 Mar 1758-6 Feb 1798)

Earl of Clancare    [Ireland, 1565]
  1st: Donald MacCarthy (24 Jun 1565-1597)

Earl of Clancarty, co. Cork    [Ireland, 1658]
  1st: Donough MacCarty (27 Nov 1658-4 Aug 1665)
  2nd: Charles James MacCarty (4 Aug 1665-22 Sep 1666)
  3rd: Callaghan MacCarty (22 Sep 1666-21 Nov 1676)
  4th: Donogh MacCarty (21 Nov 1676-1 Oct 1734)

Earl Clancarty, co. Cork    [Ireland, 1803]
  1st: William Power Keating Trench (11 Feb 1803-27 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- )

Earl of Clanricarde    [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 (17 Oct 1722-29 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)

Earl of Clanricarde, co. Galway    [Ireland, 1800]
  1st: John Thomas Burgh (29 Dec 1800-27 Jul 1808)
  2nd: Ulick John Burgh (27 Jul 1808-10 Apr 1874)
  3rd: Herbert George Burgh-Canning (10 Apr 1874-12 Apr 1916)
  4th: George Ulick Browne (12 Apr 1916-26 Feb 1935)
  5th: Ulick de Burgh Browne (26 Feb 1935-7 Jan 1941)

Earl of Clanwilliam    [Ireland, 1776]
  1st: John Meade (20 Jul 1776-19 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)
  8th: Patrick James Meade (24 Dec 2009- )

Earl of Clare    [Great Britain, 1714]
  1st: Thomas Pelham-Holles (19 Oct 1714-17 Nov 1768)

Earl of Clare    [Ireland, 1795]
  1st: John FitzGibbon (12 Jun 1795-28 Jan 1802)
  2nd: John FitzGibbon (28 Jan 1802-18 Aug 1851)
  3rd: Richard Hobart FitzGibbon (18 Aug 1851-10 Jan 1864)

Earl of Clare, co. Suffolk    [England, 1624]
  1st: John Holles (2 Nov 1624-4 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)

Earl of Clarence    [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)

Earl of Clarendon    [England, 1661]
  1st: Edward Hyde (20 Apr 1661-19 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)

Earl of Clarendon    [Great Britain, 1776]
  1st: Thomas Villiers (14 Jun 1776-11 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- )

Earl of Clermont, co. Louth    [Ireland, 1777]
  1st: William Henry Fortescue (10 Feb 1777-30 Sep 1806)

Earl of Cleveland, co.York    [England, 1626]
  1st: Thomas Wentworth (5 Feb 1626-25 Mar 1667)

Earl Clinton    [Great Britain, 1746]
  1st: Hugh Fortescue (5 Jul 1746-2 May 1751)

Earl of Clonmell, co. Tipperary    [Ireland, 1793]
  1st: John Henry Scott (20 Dec 1793-23 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)

Earl of Conway, co. Carnarvon    [England, 1679]
  1st: Edward Conway (3 Dec 1679-11 Aug 1683)

Earl Conyngham    [Ireland, 1797]
  1st: Henry Conyngham (27 Dec 1797-28 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- )

Earl Conyngham of Mount Charles, co. Donegal    [Ireland, 1781]
  1st: Henry Conyngham (4 Jan 1781-3 Apr 1781)

Earl of Cork    [Ireland, 1395]
  1st: Edward York (b 15 Jan 1395-25 Oct 1415)

Earl of the County of Cork    [Ireland, 1620]
  1st: Richard Boyle (16 Oct 1620-15 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- )

Earl of Cornwall    [England, 1227]
  1st: Richard (21 Aug 1227-2 Apr 1272)
  2nd: Edmund Cornwall (13 Oct 1272-24 Sep 1300)

Earl of Cornwallis    [Great Britain, 1753]
  1st: Charles Cornwallis (30 Jun 1753-23 Jun 1762)
  2nd: Charles Cornwallis (23 Jun 1762-5 Oct 1805)
  3rd: Charles Cornwallis (5 Oct 1805-9 Aug 1823)
  4th: James Cornwallis (9 Aug 1823-20 Jan 1824)
  5th: James Mann (20 Jan 1824-21 May 1852)

Earl of Cottenham    [United Kingdom, 1850]
  1st: Charles Christopher Pepys (11 Jun 1850-29 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)
  5th: Kenelm Charles Francis Pepys (22 Apr 1919-29 Dec 1922)
  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)

Earl of Courtown, co. Wexford    [Ireland, 1762]
  1st: James Stopford (12 Apr 1762-12 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- )

Earl of Coventry    [England, 1623]
  1st: George Villiers (18 May 1623-23 Aug 1628)
  2nd: George Villiers (23 Aug 1628-16 Apr 1687)

Earl of Coventry    [England, 1697]
  1st: Thomas Coventry (26 Apr 1697-15 Jul 1699)
  2nd: Thomas Coventry (15 Jul 1699-Aug 1710)
  3rd: Thomas Coventry (Aug 1710-28 Jan 1712)
  4th: Gilbert Coventry (28 Jan 1712-27 Oct 1719)
  5th: William Coventry (27 Oct 1719-18 Mar 1751)
  6th: George William Coventry (18 Mar 1751-3 Sep 1809)
  7th: George William Coventry (3 Sep 1809-26 Mar 1831)
  8th: George William Coventry (26 Mar 1831-15 May 1843)
  9th: George William Coventry (15 May 1843-13 Mar 1930)
10th: George William Reginald Victor Coventry (13 Mar 1930-27 May 1940)
11th: George William Coventry (27 May 1940-14 Jun 2002)
12th: Francis Henry Coventry (14 Jun 2002-12 Mar 2004)
13th: George William Coventry (12 Mar 2004- )

Earl Cowley    [United Kingdom, 1857]
  1st: Henry Richard Charles Wellesley (11 Apr 1857-15 Jul 1884)
  2nd: William Henry Wellesley (15 Jul 1884-28 Feb 1895)
  3rd: Henry Arthur Mornington Wellesley (28 Feb 1895-15 Jan 1919)
  4th: Christian Arthur Wellesley (15 Jan 1919-29 Aug 1962)
  5th: Denis Arthur Wellesley (29 Aug 1962-23 Mar 1968)
  6th: Richard Francis Wellesley (23 Mar 1968-13 Dec 1975)
  7th: Garret Graham Wellesley (13 Dec 1975- )

Earl Cowper    [Great Britain, 1718]
  1st: William Cowper (20 Mar 1718-10 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 (27 Jun 1837-15 Apr 1856)
  7th: Francis Thomas de Grey Cowper (15 Apr 1856-18 Jul 1905)

Earl of Cranbrook    [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- )

Earl of Craven    [United Kingdom, 1801]
  1st: William Craven (18 Jun 1801-30 Jul 1825)
  2nd: William Craven (30 Jul 1825-25 Aug 1866)
  3rd: George Grimston Craven (25 Aug 1866-7 Dec 1883)
  4th: William George Robert Craven (7 Dec 1883-9 Jul 1921)
  5th: William George Bradley Craven (9 Jul 1921-15 Sep 1932)
  6th: William George Bradley Craven (15 Sep 1932-27 Jan 1965)
  7th: Thomas Robert Douglas Craven (27 Jan 1965-22 Oct 1983)
  8th: Simon George Craven (22 Oct 1983-30 Aug 1990)
  9th: Benjamin Robert Joseph Craven (30 Aug 1990- )

Earl of Craven, co. York    [England, 1665]
  1st: William Craven (16 Mar 1665-9 Apr 1697)

Earl of Crawford    [Scotland, 1398]
  1st: David Lindsay (bt 1398-1398-c Feb 1407)
  2nd: Alexander Lindsay (Feb 1407-a 31 Mar 1438)
  3rd: David Lindsay (1438-17 Jan 1446)
  4th: Alexander Lindsay (17 Jan 1446-Sep 1453)
  5th: David Lindsay (Sep 1453-25 Dec 1495)
  6th: John Lindsay (25 Dec 1495-9 Sep 1513)
  7th: Alexander Lindsay (9 Sep 1513-May 1517)
  8th: David Lindsay (May 1517-27 Nov 1542)
  9th: David Lindsay (27 Nov 1542-20 Sep 1558)
10th: David Lindsay (20 Sep 1558-b 1 Nov 1574)
11th: David Lindsay (c Nov 1574-22 Nov 1607)
12th: David Lindsay (Nov 1607-Jun 1620)
13th: Henry Lindsay (Jun 1620-1623)
14th: George Lindsay (1623-1633)
15th: Alexander Lindsay (1633-fr 1639-1639)
16th: Ludovic Lindsay (1639-c 7 Nov 1652)
17th: John Lindsay (26 Jul 1644-1678)
18th: William Lindsay (1678-6 Mar 1698)
19th: John Lindsay (6 Mar 1698-4 Jan 1714)
20th: John Lindsay (4 Jan 1714-25 Dec 1749)
21st: George Lindsay-Crawford (24 Dec 1749-11 Aug 1781)
22nd: George Lindsay-Crawford (11 Aug 1781-30 Jan 1808)
23rd: Alexander Lindsay (30 Jan 1808-27 Mar 1825)
24th: James Lindsay (27 Mar 1825-15 Dec 1869)
25th: Alexander William Crawford Lindsay (15 Dec 1869-13 Dec 1880)
26th: James Ludovic Lindsay (13 Dec 1880-31 Jan 1913)
27th: David Alexander Edward Lindsay (31 Jan 1913-8 Mar 1940)
28th: David Alexander Robert Lindsay (8 Mar 1940-13 Dec 1975)
29th: Robert Alexander Lindsay (13 Dec 1975- )

Earl of Crewe, co. Palatine of Chester    [United Kingdom, 1895]
  1st: Robert Offley Ashburton Crewe-Milnes (17 Jul 1895-20 Jun 1945)

Earl of 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- )

Earl of Cromarty    [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)

Earl of Cromer    [United Kingdom, 1901]
  1st: Evelyn Baring (8 Aug 1901-29 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- )

Earl of Cumberland    [England, 1525]
  1st: Henry Clifford (18 Jun 1525-22 Sep 1542)
  2nd: Henry Clifford (22 Apr 1542-2 Jan 1570)
  3rd: George Clifford (2 Jan 1570-29 Oct 1605)
  4th: Francis Clifford (29 Oct 1605-21 Jan 1641)
  5th: Henry Clifford (21 Jan 1641-11 Dec 1643)

Earl Curzon of Kedleston, co. Derby    [United Kingdom, 1911]
  1st: George Nathaniel Curzon (2 Nov 1911-20 Mar 1925)

Earl of Dalhousie, co. Midlothian    [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- )

Earl of Dalkeith    [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- )

Earl of Danby, co. York    [England, 1674]
  1st: Thomas Osborne (27 Jun 1674-26 Jul 1712)
  2nd: Peregrine Osborne (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 (10 Jul 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)

Earl of Darlington, co. Durham    [Great Britain, 1754]
  1st: Henry Vane (3 Apr 1754-6 Mar 1758)
  2nd: Henry Vane (6 Mar 1758-8 Sep 1792)
  3rd: William Henry Vane (8 Sep 1792-29 Jan 1842)
  4th: Henry Vane (29 Jan 1842-18 Jan 1864)
  5th: William John Frederick Vane (18 Jan 1864-6 Sep 1864)
  6th: Harry George Powlett (6 Sep 1864-21 Aug 1891)

Earl of Darnley    [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- )

Earl of Darnley, co. Meath    [Ireland, 1725]
  1st: John Bligh (29 Jun 1725-12 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- )

Earl of Dartmouth    [Great Britain, 1711]
  1st: William Legge (5 Sep 1711-15 Dec 1750)
  2nd: William Legge (15 Dec 1750-15 Jul 1801)
  3rd: George Legge (15 Jul 1801-10 Nov 1810)
  4th: William Legge (10 Nov 1810-22 Nov 1853)
  5th: William Walter Legge (22 Nov 1853-4 Aug 1891)
  6th: William Heneage Legge (4 Aug 1891-11 Mar 1936)
  7th: William Legge (11 Mar 1936-28 Feb 1958)
  8th: Humphrey Legge (28 Feb 1958-16 Oct 1962)
  9th: Gerald Humphrey Legge (16 Oct 1962-14 Dec 1997)
10th: William Legge (14 Dec 1997- )

Earl of Dartrey    [United Kingdom, 1866]
  1st: Richard Dawson (12 Jul 1866-12 May 1897)
  2nd: Vesey Dawson (12 May 1897-14 Jun 1920)
  3rd: Anthony Lucius Dawson (14 Jun 1920-9 Feb 1933)

Earl De La Warr    [Great Britain, 1761]
  1st: John West (18 Mar 1761-16 Mar 1766)
  2nd: John West (16 Mar 1766-22 Nov 1777)
  3rd: William Augustus West (22 Nov 1777-Jan 1783)
  4th: John Richard West (Jan 1783-28 Jul 1795)
  5th: George John Sackville-West (28 Jul 1795-23 Feb 1869)
  6th: Charles Richard Sackville-West (23 Feb 1869-23 Apr 1873)
  7th: Reginald Windsor Sackville (23 Apr 1873-5 Jan 1896)
  8th: Gilbert George Reginald Sackville (5 Jan 1896-16 Dec 1915)
  9th: Herbrand Edward Dundonald Brassey Sackville (16 Dec 1915-28 Jan 1976)
10th: William Herbrand Sackville (28 Jan 1976-9 Feb 1988)
11th: William Herbrand Sackville (9 Feb 1988- )

Earl of Delorain    [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)

Earl of Denbigh    [England, 1622]
  1st: William Feilding (14 Sep 1622-8 Apr 1643)
  2nd: Basil Feilding (8 Apr 1643-28 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- )

Earl of Derby    [England, 1485]
  1st: Thomas Stanley (27 Oct 1485-29 Jul 1504)
  2nd: Thomas Stanley (29 Jul 1504-23 May 1521)
  3rd: Edward Stanley (23 May 1521-24 Oct 1572)
  4th: Henry Stanley (24 Oct 1572-25 Sep 1593)
  5th: Ferdinando Stanley (25 Sep 1593-16 Apr 1594)
  6th: William Stanley (16 Apr 1594-29 Sep 1642)
  7th: James Stanley (29 Sep 1642-15 Oct 1651)
  8th: Charles Stanley (15 Oct 1651-21 Dec 1672)
  9th: William George Richard Stanley (21 Dec 1672-5 Nov 1702)
10th: James Stanley (5 Nov 1702-1 Feb 1736)
11th: Edward Stanley (1 Feb 1736-22 Feb 1776)
12th: Edward Smith-Stanley (22 Feb 1776-21 Oct 1834)
13th: Edward Smith-Stanley (21 Oct 1834-30 Jun 1851)
14th: Edward Geoffrey Smith-Stanley (30 Jun 1851-23 Oct 1869)
15th: Edward Henry Stanley (23 Oct 1869-21 Apr 1893)
16th: Frederick Arthur Stanley (21 Apr 1893-14 Jun 1908)
17th: Edward George Villiers Stanley (14 Jul 1908-4 Feb 1948)
18th: Edward John Stanley (4 Feb 1948-28 Nov 1994)
19th: Edward Richard William Stanley (28 Nov 1994- )

Earl Desart    [Ireland, 1793]
  1st: Otway Cuffe (20 Dec 1793-9 Aug 1804)
  2nd: John Otway Cuffe (9 Aug 1804-22 Nov 1820)
  3rd: Otway O'Conner Cuffe (22 Nov 1820-1 Apr 1865)
  4th: William Ulick O'Connor Cuffe (1 Apr 1865-15 Sep 1898)
  5th: Hamilton John Agmondesham Cuffe (15 Sep 1898-4 Nov 1934)

Earl of Desmond    [Ireland, 1619]
  1st: Richard Preston (24 Jul 1619-28 Oct 1628)

Earl of Desmond    [Ireland, 1622]
  1st: Richard Preston (7 Nov 1622-28 Oct 1628)

Earl of Desmond, co. Kerry    [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- )

Earl of Devon    [England, 1335]
  1st: Hugh Courtenay (22 Feb 1335-23 Dec 1340)
  2nd: Hugh Courtenay (23 Dec 1340-2 May 1377)
  3rd: Edward Courtenay (2 May 1377-5 Dec 1419)
  4th: Hugh Courtenay (5 Dec 1419-16 Jun 1422)
  5th: Thomas Courtenay (16 Jun 1422-3 Feb 1458)
  6th: Thomas Courtenay (3 Feb 1458-3 Apr 1461)
  7th: John Courtenay (9 Oct 1470-4 May 1471)

Earl of Devon    [England, 1485]
  1st: Edward Courtenay (26 Oct 1485-28 May 1509)

Earl of Devon    [England, 1511]
  1st: William Courtenay (9 May 1511-9 Jun 1511)
  2nd: Henry Courtenay (9 Jun 1511-9 Jan 1539)

Earl of Devon    [England, 1553]
  1st: Edward Courtenay (3 Sep 1553-18 Sep 1556)
  2nd: William Courtenay (18 Sep 1556-c 18 Aug 1557)
  3rd: William Courtenay (c Aug 1557-24 Jun 1630)
  5th: William Courtenay (3 Jun 1638-4 Aug 1702)
  6th: William Courtenay (4 Aug 1702-10 Oct 1735)
  7th: William Courtenay (10 Oct 1735-16 May 1762)
  8th: William Courtenay (16 May 1762-14 Oct 1788)
  9th: William Courtenay (15 Mar 1831-26 May 1835)
10th: William Courtenay (26 May 1835-19 Mar 1859)
11th: William Reginald Courtenay (19 Mar 1859-18 Nov 1888)
12th: Edward Baldwin Courtenay (18 Nov 1888-15 Jan 1891)
13th: Henry Hugh Courtenay (15 Jan 1891-29 Jan 1904)
14th: Charles Pepys Courtenay (29 Jan 1904-4 Feb 1927)
15th: Henry Hugh Courtenay (4 Feb 1927-8 Feb 1935)
16th: Frederick Leslie Courtenay (8 Feb 1935-10 Jun 1935)
17th: Charles Christopher Courtenay (19 Jun 1935-19 Nov 1998)
18th: Hugh Rupert Courtenay (19 Nov 1998- )

Earl of Devonshire    [England, 1618]
  1st: William Cavendish (7 Aug 1618-3 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 (5 Dec 1755-2 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- )

Earl Digby, co. Lincoln    [Great Britain, 1790]
  1st: Henry Digby (1 Nov 1790-25 Sep 1793)
  2nd: Edward Digby (25 Sep 1793-12 May 1856)

Earl of Doncaster, co. York    [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- )

Earl of Donegall    [Ireland, 1647]
  1st: Arthur Chichester (30 Mar 1647-18 Mar 1675)
  2nd: Arthur Chichester (18 Mar 1675-26 Oct 1678)
  3rd: Arthur Chichester (26 Oct 1678-20 Apr 1706)
  4th: Arthur Chichester (10 Apr 1706-30 Sep 1757)
  5th: Arthur Chichester (30 Sep 1757-5 Jan 1799)
  6th: George Augustus Chichester (5 Jan 1799-5 Oct 1844)
  7th: George Hamilton Chichester (5 Oct 1844-20 Oct 1883)
  8th: Edward Chichester (20 Oct 1883-20 Jan 1889)
  9th: George Augustus Chichester (20 Jan 1889-13 May 1904)
10th: Edward Arthur Donald St. George Chichester (13 May 1904-24 May 1975)
11th: Dermot Richard Claud Chichester (24 May 1975-19 Apr 2007)
12th: Arthur Patrick Chichester (19 Apr 2007- )

Earl of Donoughmore of Knocklofty    [Ireland, 1800]
  1st: Richard Hely Hely Hutchinson (31 Dec 1800-22 Aug 1825)
  2nd: John Hely Hutchinson (22 Aug 1825-29 Jun 1832)
  3rd: John Hely Hutchinson (29 Jun 1832-14 Sep 1851)
  4th: Richard John Hely Hutchinson (14 Sep 1851-22 Feb 1866)
  5th: John Luke George Hely Hutchinson (22 Feb 1866-5 Dec 1900)
  6th: Richard Walter John Hely Hutchinson (5 Dec 1900-19 Oct 1948)
  7th: John Michael Henry Hely Hutchinson (19 Oct 1948-1981)
  8th: Richard Michael John Hely Hutchinson (1981- )

Earl of Dorset    [England, 1442]
  1st: Edmund Beaufort (28 Aug 1442-22 May 1455)

Earl of Dorset    [England, 1604]
  1st: Thomas Sackville (13 Mar 1604-19 Apr 1608)

Earl of Douglas    [Scotland, 1358]
  1st: William Douglas (26 Jan 1358-May 1384)
  3rd: Archibald Douglas (14 Aug 1388-c 24 Dec 1400)
  4th: Archibald Douglas (c 24 Dec 1400-17 Aug 1424)
  5th: Archibald Douglas (17 Aug 1424-26 Jun 1439)
  6th: William Douglas (26 Jun 1439-24 Nov 1440)
  7th: James Douglas (24 Nov 1440-24 Mar 1443)
  8th: William Douglas (24 Mar 1443-22 Feb 1452)
  9th: James Douglas (22 Feb 1452-a 22 May 1491)

Earl of Dover, co. Kent    [England, 1628]
  1st: John Carey (8 Mar 1628-Apr 1666)
  2nd: John Carey (Apr 1666-26 May 1677)

Earl of Drogheda    [Ireland, 1661]
  1st: Henry Moore (14 Jun 1661-12 Jan 1676)
  2nd: Charles Moore (11 Jan 1675-18 Jun 1679)
  3rd: Henry Hamilton-Moore (18 Jun 1679-7 Jun 1714)
  4th: Henry Moore (7 Jun 1714-28 May 1727)
  5th: Edward Moore (28 May 1727-28 Oct 1758)
  6th: Charles Moore (28 Oct 1758-22 Dec 1822)
  7th: Edward Moore (22 Dec 1822-6 Feb 1837)
  8th: Henry Francis Seymour Moore (6 Feb 1837-29 Jun 1892)
  9th: Ponsonby William Moore (29 Jun 1892-28 Oct 1908)
10th: Henry Charles Ponsonby Moore (28 Oct 1908-22 Nov 1957)
11th: Charles Garrett Ponsonby Moore (22 Nov 1957-1989)
12th: Henry Dermot Ponsonby Moore (1989- )

Earl of Dublin    [Ireland, 1799]
  1st: Edward Augustus Hanover (24 Apr 1799-23 Jan 1820)

Earl of Dublin    [United Kingdom, 1850]
  1st: Edward VII Saxe-Coburg and Gotha (17 Jan 1850-6 May 1910)

Earl of Ducie    [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- )

Earl of Dudley, of Dudley Castle, co. Stafford    [United Kingdom, 1860]
  1st: William Ward (17 Feb 1860-7 May 1885)
  2nd: William Humble Ward (7 May 1885-29 Jun 1932)
  3rd: William Humble Eric Ward (29 Jun 1932-26 Dec 1969)
  4th: William Humble David Ward (26 Dec 1969-16 Nov 2013)
  5th: William Humble David Jeremy Ward (16 Nov 2013- )

Earl of Dudley of Dudley Castle    [United Kingdom, 1827]
  1st: John William Ward (5 Oct 1827-6 Mar 1833)

Earl of Dufferin, co. Down    [United Kingdom, 1871]
  1st: Frederick Temple Hamilton-Temple-Blackwood (13 Nov 1871-12 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)

Earl of Dumfries    [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- )

Earl of Dunbar    [Scotland, 1115]
  1st: Gospatric Dunbar (c 1115-22 Aug 1138)
  2nd: Gospatric Dunbar (23 Aug 1138-bt 1156-1166)
  3rd: Waltheof Dunbar (c 1166-1182)
  4th: Patrick Dunbar (1182-31 Dec 1232)
  5th: Patrick Dunbar (31 Dec 1232-bt 1248-1248)
  6th: Patrick Dunbar (1248-24 Aug 1289)
  7th: Patrick Dunbar (24 Aug 1289-10 Oct 1308)
  8th: Patrick Dunbar (10 Oct 1308-11 Nov 1368)
  9th: George Dunbar (25 Jul 1368-bt 1416-1420)
10th: George Dunbar (c 1420-bt 1455-1457)

Earl of Dunbar    [Scotland, 1605]
  1st: George Home (3 Jul 1605-20 Jan 1611)

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

Earl of Dundee    [Scotland, 1660]
  1st: John Scrymgeour (Sep 1660-23 Jun 1668)
  2nd: John Scrymgeour (23 Jun 1668-1698)
  3rd: James Scrymgeour (1698- )
  4th: Alexander Scrymgeour
  5th: David Scrymgeour
  6th: Alexander Scrymgeour-Wedderburn ( -1811)
  7th: Henry Scrymgeour-Wedderburn (1811-30 Dec 1841)
  8th: Frederick Lewis Scrymgeour-Wedderburn (30 Dec 1841-16 Aug 1874)
  9th: Henry Scrymgeour-Wedderburn (16 Aug 1874-1 Feb 1914)
10th: Henry Scrymgeour-Wedderburn (1 Feb 1914-12 May 1924)
11th: Henry James Scrymgeour (31 Jul 1952-29 Jun 1983)
12th: Alexander Henry Scrymgeour (29 Jun 1983- )

Earl of Dundonald    [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- )

Earl of Dunfermline    [Scotland, 1605]
  1st: Alexander Seton (4 Mar 1605-16 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)

Earl of Dunmore    [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- )

Earl of Dunraven and Mount-Earl    [Ireland, 1822]
  1st: Valentine Richard Quin (5 Feb 1822-24 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)

Earl of Durham    [United Kingdom, 1833]
  1st: John George Lambton (23 Mar 1833-28 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- )

Earl of Dysart, co. Fife    [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- )

Earl of Effingham    [United Kingdom, 1837]
  1st: Kenneth Alexander Howard (27 Jan 1837-13 Feb 1845)
  2nd: Henry Howard (13 Feb 1845-5 Feb 1889)
  3rd: Henry Howard (5 Feb 1889-4 May 1898)
  4th: Henry Alexander Gordon Howard (4 May 1898-6 May 1927)
  5th: Gordon Frederick Henry Charles Howard (6 May 1927-7 Jul 1946)
  6th: Mowbray Henry Gordon Howard (7 Jul 1946-23 Feb 1996)
  7th: David Peter Mowbray Algernon Howard (22 Feb 1996- )

Earl of Effingham, co. Surrey    [Great Britain, 1731]
  1st: Francis Howard (8 Dec 1731-12 Feb 1743)
  2nd: Thomas Howard (12 Feb 1743-19 Nov 1763)
  3rd: Thomas Howard (19 Nov 1763-19 Nov 1791)
  4th: Richard Howard (19 Nov 1791-10 Dec 1816)

Earl Egerton of Tatton, co. Chester    [United Kingdom, 1897]
  1st: Wilbraham Egerton (22 Jul 1897-16 Mar 1909)

Earl of Eglinton    [Scotland, 1507]
  1st: Hugh Montgomerie (fr 1507-1507-Jun 1545)
  2nd: Hugh Montgomerie (Jun 1545-3 Sep 1546)
  3rd: Hugh Montgomerie (3 Sep 1546-3 Jun 1585)
  4th: Hugh Montgomerie (3 Jun 1585-bt 1586-1586)
  5th: Hugh Montgomerie (Apr 1586-4 Sep 1612)
  6th: Alexander Montgomerie (4 Sep 1612-7 Jan 1661)
  7th: Hugh Montgomerie (7 Jan 1661-Feb 1669)
  8th: Alexander Montgomerie (1669-1701)
  9th: Alexander Montgomerie (1701-18 Feb 1729)
10th: Alexander Montgomerie (18 Feb 1729-25 Oct 1769)
11th: Archibald Montgomerie (25 Oct 1769-30 Oct 1796)
12th: Hugh Montgomerie (30 Oct 1796-14 Dec 1819)
13th: Archibald Montgomerie (14 Dec 1819-4 Oct 1861)
14th: Archibald William Montgomerie (4 Oct 1861-30 Aug 1892)
15th: George Arnulph Montgomerie (30 Aug 1892-10 Aug 1919)
16th: Archibald Seton Montgomerie (10 Aug 1919-22 Apr 1945)
17th: Archibald William Alexander Montgomerie (22 Apr 1945-1966)
18th: Archibald George Montgomerie (1966- )

Earl of Egmont, co. Cork    [Ireland, 1733]
  1st: John Perceval (6 Nov 1733-1 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)

Earl of Egremont    [Great Britain, 1749]
  1st: Algernon Seymour (3 Oct 1749-7 Feb 1750)

Earl of Egremont, co. Cumberland    [Great Britain, 1749]
  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)

Earl of Eldon, co. Durham    [United Kingdom, 1821]
  1st: John Scott (7 Jul 1821-13 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- )

Earl of Elgin    [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- )

Earl of Ellenborough, co. Cumberland    [United Kingdom, 1844]
  1st: Edward Law (22 Oct 1844-22 Dec 1871)

Earl of Eltham    [Great Britain, 1727]
  1st: Frederick Louis Hanover (26 Jul 1727-20 Mar 1751)

Earl of Eltham    [United Kingdom, 1917]
  1st: Adolphus Charles Cambridge (16 Jul 1917-24 Oct 1927)
  2nd: George Francis Hugh Cambridge (24 Oct 1927-16 Apr 1981)

Earl of Ely    [Ireland, 1794]
  1st: Charles Loftus (2 Mar 1794-22 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- )

Earl of Ely, co. Wicklow    [Ireland, 1766]
  1st: Nicholas Hume-Loftus (23 Oct 1766-31 Oct 1766)
  2nd: Nicholas Hume-Loftus (31 Oct 1766-12 Nov 1769)

Earl of Ely, co. Wicklow    [Ireland, 1771]
  1st: Henry Loftus (2 Dec 1771-8 May 1783)

Earl of Enniskillen    [Ireland, 1789]
  1st: William Willoughby Cole (18 Aug 1789-22 May 1803)
  2nd: John Willoughby Cole (22 May 1803-31 Mar 1840)
  3rd: William Willoughby Cole (31 Mar 1840-12 Nov 1886)
  4th: Lowry Egerton Cole (12 Nov 1886-28 Apr 1924)
  5th: John Henry Michael Cole (28 Apr 1924-19 Feb 1963)
  6th: David Lowry Cole (19 Feb 1963-30 May 1989)
  7th: Andrew John Gilbraith Cole (30 May 1989- )

Earl of Enzie    [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- )

Earl Erne of Crom Castle    [Ireland, 1789]
  1st: John Crichton (19 Aug 1789-15 Sep 1828)
  2nd: Abraham Crichton (15 Sep 1828-10 Jun 1842)
  3rd: John Crichton (10 Jun 1842-3 Oct 1885)
  4th: John Henry Crichton (3 Oct 1885-2 Dec 1914)
  5th: John Henry George Crichton (2 Dec 1914-23 May 1940)
  6th: Henry George Victor John Crichton (23 May 1940- )

Earl of Erroll    [Scotland, 1452]
  1st: William Hay (12 Jun 1452-15 Nov 1461)
  2nd: Nicholas Hay (1461-1470)
  3rd: William Hay (1470-14 Jan 1507)
  4th: William Hay (14 Jan 1507-9 Sep 1513)
  5th: William Hay (9 Sep 1513-28 Jul 1522)
  6th: William Hay (28 Jul 1522-11 Apr 1541)
  7th: George Hay (11 Apr 1541-30 Jan 1574)
  8th: Andrew Hay (30 Jan 1574-8 Oct 1585)
  9th: Francis Hay (8 Oct 1585-16 Jul 1631)
10th: William Hay (16 Jul 1631-7 Dec 1636)
11th: Gilbert Hay (8 Feb 1637-Mar 1674)
12th: John Hay (Mar 1674-30 Dec 1704)
13th: Charles Hay (30 Dec 1704-13 Oct 1717)
14th: Mary Hay (13 Oct 1717-19 Aug 1758)
15th: James Hay (19 Aug 1758-3 Jul 1778)
16th: George Hay (3 Jul 1778-14 Jun 1798)
17th: William Hay (14 Jul 1798-26 Jan 1819)
18th: William George Hay (26 Jan 1819-19 Apr 1846)
19th: William Harry Hay (19 Apr 1846-3 Dec 1891)
20th: Charles Gore Hay (3 Dec 1891-8 Jul 1927)
21st: Victor Alexander Sereld Hay (8 Jul 1927-20 Feb 1928)
22nd: Josslyn Victor Hay (20 Feb 1928-24 Jan 1941)
23rd: Diana Denyse Hay (24 Jan 1941-17 May 1978)
24th: Merlin Sereld Victor Gilbert Hay (17 May 1978- )

Earl of Essex    [England, 1461]
  1st: Henry Bourchier (30 Jun 1461-4 Apr 1483)
  2nd: Henry Bourchier (4 Apr 1483-13 Mar 1540)

Earl of Essex    [England, 1543]
  1st: William Parr (23 Dec 1543-28 Oct 1571)

Earl of Essex    [England, 1572]
  1st: Walter Devereux (4 May 1572-22 Sep 1576)
  2nd: Robert Devereux (22 Sep 1576-25 Feb 1601)
  3rd: Robert Devereux (18 Apr 1604-14 Sep 1646)

Earl of Essex    [England, 1661]
  1st: Arthur Capell (20 Apr 1661-13 Jul 1683)
  2nd: Algernon Capell (13 Jul 1683-10 Jan 1710)
  3rd: William Capell (10 Jan 1710-8 Jan 1743)
  4th: William Anne Capell (8 Jan 1743-5 Mar 1799)
  5th: George Capell-Coningsby (5 Mar 1799-23 Apr 1839)
  6th: Arthur Algernon Capell (23 Apr 1839-11 Sep 1892)
  7th: George Devereux de Vere Capell (11 Sep 1892-25 Sep 1916)
  8th: Algernon George de Vere Capell (25 Sep 1916-8 Dec 1966)
  9th: Reginald George de Vere Capell (8 Dec 1966-18 May 1981)
10th: Robert Edward de Vere Capell (18 May 1981-5 Jun 2005)
11th: Frederick Paul de Vere Capell (5 Jun 2005- )

Earl of Essex    [England, 1674]
  1st: Thomas Lennard (5 Oct 1674-30 Oct 1715)

Earl of Euston, 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- )

Earl of Exeter    [England, 1605]
  1st: Thomas Cecil (4 May 1605-8 Feb 1623)
  2nd: William Cecil (8 Feb 1623-6 Jul 1640)
  3rd: David Cecil (6 Jul 1640-18 Apr 1643)
  4th: John Cecil (18 Apr 1643-18 Mar 1678)
  5th: John Cecil (18 Mar 1678-29 Aug 1700)
  6th: John Cecil (29 Aug 1700-24 Dec 1721)
  7th: John Cecil (24 Dec 1721-9 Apr 1722)
  8th: Brownlow Cecil (9 Apr 1722-3 Nov 1754)
  9th: Brownlow Cecil (3 Nov 1754-26 Dec 1793)
10th: Henry Cecil (26 Dec 1793-1 May 1804)
11th: Brownlow Cecil (1 May 1804-16 Jan 1867)
12th: William Alleyne Cecil (16 Jan 1867-14 Jul 1895)
13th: Brownlow Henry George Cecil (14 Jul 1895-9 Apr 1918)
14th: William Thomas Brownlow Cecil (9 Apr 1918-6 Aug 1956)
15th: David George Brownlow Cecil (6 Aug 1956-21 Oct 1981)
16th: William Martin Alleyne Cecil (21 Oct 1981-1988)
17th: William Michael Anthony Cecil (1988- )

Earl of Falmouth    [England, 1664]
  1st: Charles Berkeley (17 Mar 1664-1665)

Earl of Falmouth    [United Kingdom, 1821]
  1st: Edward Boscawen (14 Jul 1821-29 Dec 1841)
  2nd: George Henry Boscawen (29 Dec 1841-29 Aug 1852)

Earl of Farnham, co. Cavan    [Ireland, 1763]
  1st: Robert Maxwell (13 May 1763-11 Nov 1779)

Earl of Farnham, co. Cavan    [Ireland, 1785]
  1st: Barry Maxwell (22 Jun 1785-7 Oct 1800)
  2nd: John James Maxwell (7 Oct 1800-23 Jul 1823)

Earl Farquhar    [United Kingdom, 1922]
  1st: Horace Brand Farquhar (30 Nov 1922-30 Aug 1923)

Earl of Fauconberg    [England, 1689]
  1st: Thomas Belasyse (9 Apr 1689-31 Dec 1700)

Earl of Fauconberg of Newborough, co. York    [Great Britain, 1756]
  1st: Thomas Belasyse (16 Jun 1756-8 Feb 1774)

Earl Ferrers    [Great Britain, 1711]
  1st: Robert Shirley (1 Sep 1711-25 Dec 1717)
  2nd: Washington Shirley (25 Dec 1717-14 Apr 1729)
  3rd: Henry Shirley (14 Apr 1729-6 Aug 1745)
  4th: Laurence Shirley (6 Aug 1745-5 May 1760)
  5th: Washington Shirley (5 May 1760-11 Oct 1778)
  6th: Robert Shirley (11 Oct 1778-17 Apr 1787)
  7th: Robert Shirley (17 Apr 1787-2 May 1827)
  8th: Washington Shirley (2 May 1827-2 Oct 1842)
  9th: Washington Sewallis Shirley (2 Oct 1842-13 Mar 1859)
10th: Sewallis Edward Shirley (13 Mar 1859-26 Jul 1912)
11th: Walter Knight Shirley (26 Jul 1912-2 Feb 1937)
12th: Robert Walter Shirley (2 Feb 1937-11 Oct 1954)
13th: Robert Washington Shirley (11 Oct 1954-13 Nov 2012)
14th: Robert William Saswalo Shirley (13 Nov 2012- )

Earl of Feversham of Ryedale, in the North Riding of co. York    [United Kingdom, 1868]
  1st: William Ernest Duncombe (25 Jul 1868-13 Jan 1915)
  2nd: Charles William Reginald Duncombe (13 Jan 1915-15 Sep 1916)
  3rd: Charles Willian Slingsby Duncombe (15 Sep 1916-4 Sep 1963)

Earl of Fife    [Scotland, 1371]
  1st: Robert Stewart (30 Mar 1371-3 Sep 1420)

Earl Fife    [Ireland, 1759]
  1st: William Duff (26 Apr 1759-30 Sep 1763)
  2nd: James Duff (30 Sep 1763-24 Jan 1809)
  3rd: Alexander Duff (24 Jan 1809-17 Apr 1811)
  4th: James Duff (17 Apr 1811-9 Mar 1857)
  5th: James Duff (9 Mar 1857-7 Aug 1879)
  6th: Alexander William George Duff (7 Aug 1879-29 Jan 1912)

Earl of Fife    [United Kingdom, 1885]
  1st: Alexander William George Duff (13 Jul 1885-29 Jan 1912)

Earl FitzHardinge    [United Kingdom, 1841]
  1st: William FitzHardinge Berkeley (17 Aug 1841-10 Oct 1857)

Earl Fitzwilliam, co. Tyrone    [Ireland, 1716]
  1st: William Fitzwilliam (21 Jul 1716-28 Dec 1719)
  2nd: John Fitzwilliam (1719-28 Aug 1728)
  3rd: William Fitzwilliam (1728-10 Aug 1756)
  4th: William Fitzwilliam (1756-8 Feb 1833)
  5th: Charles William Fitzwilliam (1833-4 Oct 1857)
  6th: William Thomas Spencer Fitzwilliam (1857-20 Feb 1902)
  7th: William Charles de Meuron FitzWilliam (1943-15 Feb 1943)
  8th: William Henry Lawrence Peter Wentworth-Fitzwilliam (1943-13 May 1948)
  9th: Eric Spencer FitzWilliam (1948-3 Apr 1952)
10th: William Thomas George Wentworth-Fitzwilliam ( -1979)

Earl of Forfar    [Scotland, 1661]
  1st: Archibald Douglas (2 Oct 1661-11 Dec 1712)
  2nd: Archibald Douglas (11 Dec 1712-8 Dec 1715)

Earl Fortescue    [Great Britain, 1789]
  1st: Hugh Fortescue (1 Sep 1789-16 Jun 1841)
  2nd: Hugh Fortescue (16 Jun 1841-14 Sep 1861)
  3rd: Hugh Fortescue (14 Sep 1861-10 Oct 1905)
  4th: Hugh Fortescue (10 Oct 1905-29 Oct 1932)
  5th: Hugh William Fortescue (29 Oct 1932-14 Jun 1958)
  6th: Denzil George Fortescue (14 Jun 1958-1 Jun 1977)
  7th: Richard Archibald Fortescue (1 Jun 1977-7 Mar 1993)
  8th: Charles Hugh Richard Fortescue (7 Mar 1993- )

Earl of Forth    [Scotland, 1642]
  1st: Patrick Ruthven (27 May 1642-2 Feb 1651)

Earl of Gainsborough, co. Lincoln    [England, 1682]
  1st: Edward Noel (1 Dec 1682-Jan 1689)
  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)

Earl of Gainsborough, co. Lincoln    [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- )

Earl of Galloway    [Scotland, 1623]
  1st: Alexander Stewart (19 Sep 1623-1649)
  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- )

Earl of Galway, co. Galway    [Ireland, 1800]
  6th: Arthur Howe Browne (7 Jan 1941-28 May 1951)
  7th: Terence Morris Browne (28 May 1951-28 Jul 1952)

Earl of Gifford    [Scotland, 1694]
  1st: John Hay (17 Dec 1694-11 Aug 1697)
  2nd: John Hay (11 Aug 1697-20 Apr 1713)
  3rd: Charles Hay (20 Apr 1713-17 Dec 1715)
  4th: John Hay (17 Dec 1715-9 Dec 1762)
  5th: George Hay (9 Dec 1762-4 Oct 1770)
  6th: George Hay (4 Oct 1770-16 Nov 1787)
  7th: George Hay (16 Nov 1787-9 Aug 1804)
  8th: George Hay (9 Aug 1804-10 Oct 1876)
  9th: Arthur Hay (10 Oct 1876-29 Dec 1878)
10th: William Montagu Hay (29 Dec 1878-25 Nov 1911)
11th: William George Montagu Hay (25 Nov 1911-30 Mar 1967)
12th: David George Montagu Hay (30 Mar 1967-23 Jan 1979)
13th: Edward Douglas John Hay (23 Jan 1979-1 Feb 2005)
14th: Charles David Montagu Hay (1 Feb 2005- )

Earl of Glandore    [Ireland, 1776]
  1st: William Crosbie (22 Jul 1776-11 Apr 1781)
  2nd: John Crosbie (11 Apr 1781-23 Oct 1815)

Earl of Glasgow    [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- )

Earl of Glencairn    [Scotland, 1488]
  1st: Alexander Cuninghame (28 May 1488-11 Jun 1488)
  2nd: Robert Cuninghame (Jun 1488-c 1490)
  3rd: Cuthbert Cuninghame (13 Aug 1503-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)

Earl of Glengall    [Ireland, 1816]
  1st: Richard Butler (22 Jan 1816-30 Jan 1819)
  2nd: Richard Butler (30 Jan 1819-22 Jun 1858)

Earl of Gloucester    [England, 1122]
  1st: Robert Caen (bt 1122-1122-31 Oct 1147)
  2nd: William Robert (31 Oct 1147-23 Nov 1183)

Earl of Gloucester    [England, 1337]
  1st: Hugh Audley (16 Mar 1337-10 Nov 1347)

Earl of Gloucester    [England, 1397]
  1st: Thomas Despenser (29 Sep 1397-13 Jan 1400)

Earl of Gosford    [Ireland, 1806]
  1st: Arthur Acheson (1 Feb 1806-14 Jan 1807)
  2nd: Archibald Acheson (14 Jan 1807-27 Mar 1849)
  3rd: Archibald Acheson (27 Mar 1849-15 Jun 1864)
  4th: Archibald Brabazon Sparrow Acheson (15 Jun 1864-11 Apr 1922)
  5th: Archibald Charles Montagu Brabazon Acheson (11 Apr 1922-20 Mar 1954)
  6th: Archibald Alexander John Stanley Acheson (20 Mar 1954-17 Feb 1966)
  7th: Charles David Alexander John Sparrow Acheson (17 Feb 1966- )

Earl of Gowrie    [Scotland, 1581]
  1st: William Ruthven (23 Aug 1581-2 May 1584)
  2nd: James Ruthven (1586-1588)
  3rd: John Ruthven (1588-5 Aug 1600)

Earl of Gowrie    [United Kingdom, 1945]
  1st: Alexander Gore Arkwright Hore-Ruthven (8 May 1945-2 May 1955)
  2nd: Alexander Patrick Greysteil Hore-Ruthven (2 May 1955- )

Earl Graham    [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- )

Earl of Granard    [Ireland, 1684]
  1st: Arthur Forbes (30 Dec 1684-1695)
  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- )

Earl Grandison    [Ireland, 1767]
  1st: Elizabeth FitzGerald (19 Feb 1767-29 May 1782)
  2nd: George Mason-Villiers (29 May 1782-14 Jul 1800)

Earl Grandison, co. Leitrim    [Ireland, 1721]
  1st: John FitzGerald (11 Sep 1721-14 May 1766)

Earl Granville    [Great Britain, 1715]
  1st: Grace Granville (1 Jan 1715-18 Oct 1744)
  2nd: John Carteret (18 Oct 1744-2 Jan 1763)
  3rd: Robert Carteret (2 Jan 1763-13 Feb 1776)

Earl Granville    [United Kingdom, 1833]
  1st: Granville Leveson-Gower (10 May 1833-8 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- )

Earl of Greenwich, Kent    [England, 1705]
  1st: John Campbell (26 Nov 1705-4 Oct 1743)

Earl Grey    [United Kingdom, 1806]
  1st: Charles Grey (11 Apr 1806-14 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- )

Earl de Grey of Wrest, co. Bedford    [United Kingdom, 1816]
  1st: Annabella Yorke (25 Oct 1816-4 May 1833)
  2nd: Thomas Philip Grey (4 May 1833-14 Nov 1859)
  3rd: George Frederick Samuel Robinson (14 Nov 1859-9 Jul 1909)
  4th: Frederick Oliver Robinson (9 Jul 1909-22 Sep 1923)

Earl Grosvenor    [Great Britain, 1784]
  1st: Richard Grosvenor (5 Jul 1784-5 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- )

Earl of Guildford, co. Surrey    [England, for life]
  1st: Elizabeth Feilding (14 Jul 1660-c 3 Sep 1667)

Earl of Guilford    [Great Britain, 1752]
  1st: Francis North (8 Apr 1752-4 Aug 1790)
  2nd: Frederick North (4 Aug 1790-5 Aug 1792)
  3rd: George Augustus North (5 Aug 1792-20 Apr 1802)
  4th: Francis North (20 Apr 1802-11 Jan 1817)
  5th: Frederick North (11 Jan 1817-14 Oct 1827)
  6th: Francis North (14 Oct 1827-29 Jan 1861)
  7th: Dudley Francis North (29 Jan 1861-19 Dec 1885)
  8th: Frederick George North (19 Dec 1885-9 Nov 1949)
  9th: Edward Francis North (9 Nov 1949-26 Mar 1999)
10th: Piers Edward Brownlow North (26 Mar 1999- )

Earl of Guilford, co. Surrey    [England, 1674]
  1st: John Maitland (25 Jun 1674-24 Aug 1682)

Earl of Haddington    [Scotland, 1627]
  1st: Thomas Hamilton (17 Aug 1627-29 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- )

Earl of Haddo, co. Aberdeen    [United Kingdom, 1916]
  1st: John Campbell Hamilton-Gordon (4 Jan 1916-7 Mar 1934)
  2nd: George Gordon (7 Mar 1934-6 Jan 1965)
  3rd: Dudley Gladstone Gordon (6 Jan 1965-16 Apr 1972)
  4th: David George Ian Alexander Gordon (16 Apr 1972-13 Sep 1974)
  5th: Archibald Victor Dudley Gordon (13 Sep 1974-7 Sep 1984)
  6th: Alastair Ninian John Gordon (7 Sep 1984-19 Aug 2002)
  7th: Alexander George Gordon (19 Aug 2002- )

Earl Haig    [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- )

Earl of Halifax    [England, 1714]
  1st: Charles Montagu (19 Oct 1714-19 May 1715)

Earl of Halifax    [Great Britain, 1715]
  2nd: George Montague-Dunk (9 May 1739-8 Jun 1771)

Earl of Halifax    [United Kingdom, 1944]
  1st: Edward Frederick Lindley Wood (11 Jul 1944-23 Dec 1959)
  2nd: Charles Ingram Courtenay Wood (23 Dec 1959-19 Mar 1980)
  3rd: Charles Edward Peter Neil Wood (19 Mar 1980- )

Earl of Halsbury    [United Kingdom, 1898]
  1st: Hardinge Stanley Giffard (17 Jan 1898-11 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)

Earl of Harborough    [Great Britain, 1719]
  1st: Bennet Sherard (8 May 1719-16 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)

Earl of Hardwicke    [Great Britain, 1754]
  1st: Philip Yorke (2 Apr 1754-6 Mar 1764)
  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- )

Earl of Harewood, co. York    [United Kingdom, 1812]
  1st: Edward Lascelles (7 Sep 1812-3 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- )

Earl of Harrington, co. Northampton    [Great Britain, 1742]
  1st: William Stanhope (9 Feb 1742-8 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- )

Earl of Harrowby, co. Lincoln    [United Kingdom, 1809]
  1st: Dudley Ryder (19 Jul 1809-26 Dec 1847)
  2nd: Dudley Ryder (26 Dec 1847-19 Nov 1882)
  3rd: Dudley Francis Stuart Ryder (19 Nov 1882-26 Mar 1900)
  4th: Henry Ryder (26 Mar 1900-11 Dec 1900)
  5th: John Herbert Dudley Ryder (11 Dec 1900-30 Mar 1956)
  6th: Dudley Ryder (30 Mar 1956-1987)
  7th: Dudley Danvers Granville Coutts Ryder (1987-9 Oct 2007)
  8th: Dudley Adrian Conroy Ryder (9 Oct 2007- )

Earl of Hartfell    [Scotland, 1643]
  1st: James Johnstone (18 Mar 1643-Apr 1653)
  2nd: James Johnstone (1 Oct 1653-17 Jul 1672)

Earl of Hartfell    [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)

Earl of Hereford    [England, 1200]
  1st: Henry Bohun (28 Apr 1200-1220)
  2nd: Humphrey Bohun (1 Jun 1220-24 Sep 1275)

Earl of Hereford    [England, 1537]
  1st: Edward Seymour (18 Oct 1537-22 Jan 1552)

Earl of Hertford    [England, 1138]
  1st: Gilbert Clare (c 1138-1152)
  2nd: Roger Clare (1152-1173)
  3rd: Richard Clare (1173-c 28 Nov 1217)

Earl of Hertford    [England, 1559]
  1st: Edward Seymour (13 Jan 1559-6 Apr 1621)

Earl of Hertford    [Great Britain, 1750]
  1st: Francis Seymour-Conway (3 Aug 1750-14 Jun 1794)
  2nd: Francis Seymour-Ingram (14 Jun 1794-28 Jun 1822)
  3rd: Francis Charles Seymour-Conway (17 Jun 1822-1 Mar 1842)
  4th: Richard Seymour-Conway (1 Mar 1842-25 Aug 1870)
  5th: Francis George Hugh Seymour (25 Aug 1870-25 Jan 1884)
  6th: Hugh de Grey Seymour (25 Jan 1884-23 Mar 1912)
  7th: George Francis Alexander Seymour (23 Mar 1912-16 Feb 1940)
  8th: Hugh Edward Conway Seymour (18 Jun 1939-22 Dec 1997)
  9th: Henry Jocelyn Seymour (22 Dec 1997- )

Earl of Hillsborough    [Great Britain, 1772]
  1st: Wills Hill (28 Aug 1772-7 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- )

Earl of Hillsborough, co. Down    [Ireland, 1751]
  1st: Wills Hill (3 Oct 1751-7 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- )

Earl of Holderness    [England, 1682]
  1st: Conyers Darcy (5 Dec 1682-14 Jun 1689)
  2nd: Conyers Darcy (14 Jun 1689-13 Dec 1692)
  3rd: Robert Darcy (13 Dec 1692-20 Jan 1722)
  4th: Robert Darcy (20 Jan 1722-16 May 1778)

Earl of Holdernesse    [England, 1621]
  1st: John Ramsay (22 Jan 1621-c 1626)

Earl of Home    [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- )

Earl of Hopetoun    [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)

Earl Howe    [Great Britain, 1788]
  1st: Richard Howe (19 Aug 1788-5 Aug 1799)

Earl Howe    [United Kingdom, 1821]
  1st: Richard William Penn Curzon-Howe (15 Jul 1821-12 May 1870)
  2nd: George Augustus Frederick Louis Curzon-Howe (12 May 1870-4 Feb 1876)
  3rd: Richard William Penn Curzon-Howe (4 Feb 1876-25 Sep 1900)
  4th: Richard George Penn Curzon (25 Sep 1900-10 Jan 1929)
  5th: Francis Richard Henry Penn Curzon (10 Jan 1929-1 Sep 1964)
  6th: Edward Richard Assheton Penn Curzon (1 Sep 1964-29 May 1984)
  7th: Frederick Richard Penn Curzon (29 May 1984- )

Earl of Howth    [Ireland, 1767]
  1st: Thomas St. Lawrence (3 Sep 1767-29 Sep 1801)
  2nd: William St. Lawrence (29 Sep 1801-4 Apr 1822)
  3rd: Thomas St. Lawrence (4 Apr 1822-4 Feb 1874)
  4th: William Ulick Tristram St. Lawrence (4 Feb 1874-9 Mar 1909)

Earl of Huntingdon    [England, 1337]
  1st: William Clinton (13 Mar 1337-25 Aug 1354)

Earl of Huntingdon    [England, 1388]
  1st: John Holand (2 Jun 1388-c 9 Jan 1400)

Earl of Huntingdon    [England, 1479]
  1st: William Herbert (4 Jul 1479-16 Jul 1491)

Earl of Huntingdon    [England, 1529]
  1st: George Hastings (8 Dec 1529-24 Mar 1544)
  2nd: Francis Hastings (24 Mar 1544-23 Jun 1560)
  3rd: Henry Hastings (22 Jun 1560-14 Dec 1595)
  4th: George Hastings (14 Dec 1595-31 Dec 1604)
  5th: Henry Hastings (31 Dec 1604-14 Nov 1643)
  6th: Ferdinando Hastings (14 Nov 1643-13 Feb 1656)
  7th: Theophilus Hastings (13 Feb 1656-30 May 1701)
  8th: George Hastings (30 May 1701-22 Feb 1705)
  9th: Theophilus Hastings (22 Feb 1705-13 Oct 1747)
10th: Francis Hastings (13 Oct 1747-2 Oct 1789)
11th: Theophilus Henry Hastings ( -2 Apr 1804)
12th: Hans Francis Hastings (14 Jan 1819-9 Dec 1828)
13th: Francis Theophilus Henry Hastings (9 Dec 1828-13 Sep 1875)
14th: Francis Power Plantagenet Hastings (13 Sep 1875-20 May 1885)
15th: Warner Francis John Plantagenet Hastings (20 May 1885-5 Apr 1939)
16th: Francis John Clarence Westenra Plantagenet Hastings (5 Apr 1939-1990)
17th: William Edward Robin Hood Hastings-Bass (1990- )

Earl of Huntly    [Scotland, 1445]
  1st: Alexander Gordon (fr 1444-1445-15 Jul 1470)
  2nd: George Gordon (15 Jul 1470-8 Jun 1501)
  3rd: Alexander Gordon (Jun 1501-21 Jan 1524)
  4th: George Gordon (21 Jan 1524-22 Oct 1562)
  5th: George Gordon (1567-19 Oct 1576)
  6th: George Gordon (19 Oct 1576-13 Jun 1636)
  7th: George Gordon (13 Jun 1636-22 Mar 1649)
  8th: Lewis Gordon (25 Mar 1651-Dec 1653)
  9th: George Gordon (Dec 1653-7 Dec 1716)
10th: Alexander Gordon (7 Dec 1716-28 Nov 1728)
11th: Cosmo George Gordon (28 Nov 1728-5 Aug 1752)
12th: Alexander Gordon (5 Aug 1752-17 Jun 1827)
13th: George Gordon (17 Jun 1827-28 May 1836)

Earl of Huntly and Enzie    [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)

Earl of Hyndford    [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)

Earl of Iddesleigh    [United Kingdom, 1885]
  1st: Stafford Henry Northcote (3 Jul 1885-12 Jan 1887)
  2nd: Walter Stafford Northcote (12 Jan 1887-26 May 1927)
  3rd: Henry Stafford Northcote (26 Mar 1927-16 Feb 1970)
  4th: Stafford Henry Northcote (16 Feb 1970-8 Jul 2004)
  5th: John Stafford Northcote (8 Jul 2004- )

Earl of Ilay    [Scotland, 1706]
  1st: Archibald Campbell (19 Oct 1706-15 Apr 1761)

Earl of Ilchester    [Great Britain, 1756]
  1st: Stephen Fox-Strangways (17 Jun 1756-29 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- )

Earl of Inchcape    [United Kingdom, 1929]
  1st: James Lyle Mackay (20 Jun 1929-23 May 1932)
  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- )

Earl of Inchiquin    [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)

Earl of Inchiquin    [Ireland, 1654]
  1st: Morrogh O'Brien (21 Oct 1654-9 Sep 1674)

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

Earl of Inverness    [United Kingdom, 1920]
  1st: George VI Windsor (3 Jun 1920-6 Feb 1952)

Earl of Inverness    [United Kingdom, 1986]
  1st: Andrew Albert Christian Edward Mountbatten-Windsor (23 Jul 1986- )

Earl of Irvine    [Scotland, 1642]
  1st: James Campbell (1642-Sep 1645)

Earl of Iveagh    [United Kingdom, 1919]
  1st: Edward Cecil Guinness (30 Sep 1919-7 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- )

Earl Jellicoe    [United Kingdom, 1925]
  1st: John Henry Rushworth Jellicoe (29 Jun 1925-20 Nov 1935)
  2nd: George Patrick John Rushworth Jellicoe (20 Nov 1935-22 Feb 2007)
  3rd: Patrick John Bernard Jellicoe (22 Feb 2007- )

Earl Jermyn of Horningsheath, Suffolk    [United Kingdom, 1826]
  1st: Frederick William Hervey (30 Jun 1826-15 Feb 1859)
  2nd: Frederick William Hervey (15 Feb 1859-30 Oct 1864)
  3rd: Frederick William John Hervey (30 Oct 1864-7 Aug 1907)
  4th: Frederick William Fane Hervey (7 Aug 1907-24 Oct 1951)
  5th: Herbert Arthur Robert Hervey (24 Oct 1951-5 Apr 1960)
  6th: Victor Frederick Cochrane Hervey (5 Apr 1960-10 Mar 1985)
  7th: Frederick William John Augustus Hervey (10 Mar 1985-10 Jan 1999)
  8th: Frederick William Augustus Hervey (10 Jan 1999- )

Earl of the Island of Jersey    [England, 1697]
  1st: Edward Villiers (13 Oct 1697-25 Aug 1711)
  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- )

Earl of Jersey    [England, Jacobite]
  1st: William Villiers (Apr 1716-13 Jul 1721)

Earl Jowitt    [United Kingdom, 1951]
  1st: William Allen Jowitt (24 Dec 1951-16 Aug 1957)

Earl of Kellie    [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- )

Earl of Kendal    [England, 1443]
  1st: John Beaufort (28 Aug 1443-27 May 1444)

Earl of Kenmare    [Ireland, 1801]
  1st: Valentine Browne (2 Jan 1801-3 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)

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

Earl of Kent    [England, 1321]
  1st: Edmund Woodstock (28 Jul 1321-19 Mar 1330)
  2nd: Edmund Plantagenet (7 Dec 1330-b 5 Oct 1331)
  3rd: John Plantagenet (10 Apr 1351-26 Dec 1352)
  5th: Thomas Holand (8 Aug 1385-25 Apr 1397)
  6th: Thomas Holand (26 Apr 1397-fr 1400-1400)
  7th: Edmund Holand (8 Jan 1400-15 Sep 1408)

Earl of Kent    [England, 1352]
  4th: Joan Kent (26 Dec 1352-8 Aug 1385)

Earl of Kent    [England, 1360]
  1st: Thomas Holand (20 Nov 1360-c 27 Dec 1360)
  2nd: Thomas Holand (27 Dec 1360-25 Apr 1397)
  3rd: Thomas Holand (26 Apr 1397-fr 1400-1400)
  4th: Edmund Holand (8 Jan 1400-15 Sep 1408)

Earl of Kent    [England, 1461]
  1st: William Neville (1 Nov 1461-9 Jan 1463)

Earl of Kent    [England, 1465]
  1st: Edmund Grey (30 May 1465-22 May 1490)
  2nd: George Grey (22 May 1490-21 Dec 1503)
  3rd: Richard Grey (25 Dec 1503-3 May 1523)
  4th: Henry Grey (3 May 1524-24 Sep 1562)
  5th: Reginald Grey (28 Mar 1572-17 Mar 1573)
  6th: Henry Grey (17 Mar 1573-31 Jan 1615)
  7th: Charles Grey (31 Jan 1615-28 Sep 1623)
  8th: Henry Grey (26 Sep 1623-21 Nov 1639)
  9th: Anthony Grey (21 Nov 1639-9 Nov 1643)
10th: Henry Grey (9 Nov 1643-28 May 1651)
11th: Anthony Grey (28 May 1651- )

Earl of Kent    [United Kingdom, 1866]
  1st: Alfred Ernest Albert Saxe-Coburg and Gotha (24 May 1866-30 Jul 1900)

Earl of Kerry    [Ireland, 1723]
  1st: Thomas FitzMaurice (17 Jan 1723-16 Mar 1741)
  2nd: William FitzMaurice (16 Mar 1741-4 Apr 1747)
  3rd: Francis Thomas FitzMaurice (4 Apr 1747-4 Jul 1818)
  4th: Henry Petty-FitzMaurice (4 Jul 1818-31 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- )

Earl of Kildare    [Ireland, 1316]
  1st: John FitzThomas FitzGerald (14 May 1316-12 Sep 1316)
  2nd: Thomas FitzJohn FitzGerald (12 Sep 1316-5 Apr 1328)
  3rd: Richard FitzGerald (9 Apr 1328-7 Jul 1333)
  4th: Maurice FitzThomas FitzGerald (7 Jul 1333-15 Aug 1390)
  5th: Gerald FitzMaurice FitzGerald (15 Aug 1390-16 Oct 1432)
  6th: John fitz Maurice FitzGerald (16 Oct 1432-b 1434)
  7th: Thomas FitzMaurice FitzGerald (b 1436-25 Mar 1477)
  8th: Gerald FitzGerald (25 Mar 1477-3 Sep 1513)
  9th: Gerald FitzGerald (3 Sep 1513-13 Dec 1534)
10th: Thomas Fitzgerald (13 Dec 1534-3 Feb 1537)
11th: Gerald FitzGerald (23 Feb 1569-16 Nov 1585)
12th: Henry FitzGerald (16 Nov 1585-1 Aug 1597)
13th: William FitzGerald (1 Aug 1597-c Apr 1599)
14th: Gerald FitzGerald (Apr 1599-11 Feb 1612)
15th: Gerald FitzGerald (11 Feb 1612-11 Nov 1620)
16th: George FitzGerald (11 Nov 1620-1660)
17th: Wentworth FitzGerald (1660-5 Mar 1664)
18th: John FitzGerald (5 Mar 1664-9 Nov 1707)
19th: Robert FitzGerald (9 Nov 1707-20 Feb 1744)
20th: James FitzGerald (20 Feb 1744-19 Nov 1773)
21st: William Robert FitzGerald (19 Nov 1773-20 Oct 1804)
22nd: Augustus Frederick FitzGerald (20 Oct 1804-10 Oct 1874)
23rd: Charles William FitzGerald (10 Oct 1874-10 Feb 1887)
24th: Gerald FitzGerald (10 Feb 1887-1 Dec 1893)
25th: Maurice FitzGerald (1 Dec 1893-4 Feb 1922)
26th: Edward FitzGerald (4 Feb 1922-8 Mar 1976)
27th: Gerald FitzGerald (8 Mar 1976-3 Dec 2004)
28th: Maurice FitzGerald (3 Dec 2004- )

Earl of Kildare    [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)

Earl of Kilmarnock    [Scotland, 1661]
  1st: William Boyd (17 Aug 1661-Mar 1692)
  2nd: William Boyd (Mar 1692-20 May 1692)
  3rd: William Boyd (29 May 1692-Sep 1717)
  4th: William Boyd (Sep 1717-18 Aug 1746)

Earl of Kilmorey    [Ireland, 1822]
  1st: Francis Needham (5 Feb 1822-21 Nov 1832)
  2nd: Francis Needham (21 Nov 1832-20 Jun 1880)
  3rd: Francis Charles Needham (20 Jun 1880-28 Jul 1915)
  4th: Francis Charles Adelbert Henry Needham (28 Jul 1915-11 Jan 1961)
  5th: Francis Jack Richard Patrick Needham (11 Jan 1961-12 Apr 1977)
  6th: Richard Francis Needham (12 Apr 1977- )

Earl of Kilmuir    [United Kingdom, 1962]
  1st: David Patrick Maxwell Fyfe (20 Jul 1962-Jan 1967)

Earl of Kimberley, of Kimberley, co. Norfolk    [United Kingdom, 1866]
  1st: John Wodehouse (1 Jun 1866-8 Apr 1902)
  2nd: John Wodehouse (8 Apr 1902-7 Jan 1932)
  3rd: John Wodehouse (7 Jan 1932-16 Apr 1941)
  4th: John Wodehouse (16 Apr 1941-26 May 2002)
  5th: John Armine Wodehouse (26 May 2002- )

Earl of Kincardine    [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- )

Earl of Kincardine    [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- )

Earl of Kincardine    [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- )

Earl of Kingston    [Ireland, 1768]
  1st: Edward King (25 Aug 1768-8 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- )

Earl of Kinnoull    [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 (10 May 1709-5 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- )

Earl of Kinrara, co. Inverness    [United Kingdom, 1876]
  1st: Charles Henry Gordon-Lennox (13 Jan 1876-27 Sep 1903)
  2nd: Charles Henry Gordon-Lennox (27 Sep 1903-18 Jan 1928)
  3rd: Charles Henry Gordon-Lennox (18 Jan 1928-7 May 1935)
  4th: Frederick Charles Gordon-Lennox (7 May 1935-2 Nov 1989)
  5th: Charles Henry Gordon Lennox (1989- )

Earl of Kintore    [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)
11th: Ethel Sydney Keith-Falconer (3 Mar 1930-21 Sep 1974)
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- )

Earl Kitchener of Khartoum and of Broome, of Khartoum and of Broome, 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)

Earl of Lanark    [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)
13rd: 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- )

Earl of Lathom, co. Lancaster    [United Kingdom, 1880]
  1st: Edward Bootle-Wilbraham (3 May 1880-19 Nov 1898)
  2nd: Edward George Bootle-Wilbraham (19 Nov 1898-15 Mar 1910)
  3rd: Edward William Bootle-Wilbraham (15 Mar 1910-6 Feb 1930)

Earl of Lauderdale    [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- )

Earl of Lauderdale    [Scotland, 1672]
  1st: John Maitland (26 Mar 1672-24 Aug 1682)

Earl of Leicester    [England, 1618]
  1st: Robert Sydney (2 Aug 1618-13 Jul 1626)
  2nd: Robert Sydney (13 Jul 1626-2 Nov 1677)
  3rd: Philip Sydney (2 Nov 1677-6 Mar 1698)
  4th: Robert Sydney (6 Mar 1698-11 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)

Earl of Leicester    [Great Britain, 1744]
  1st: Thomas Coke (9 May 1744-20 Apr 1759)

Earl of Leicester    [Great Britain, 1784]
  1st: George Townshend (8 May 1784-27 Jul 1811)
  2nd: George Ferrars Townshend (27 Jul 1811-31 Dec 1855)

Earl of Leicester of Holkham, co. Norfolk    [United Kingdom, 1837]
  1st: Thomas William Coke (12 Aug 1837-30 Jun 1842)
  2nd: Thomas William Coke (30 Jun 1842-24 Jan 1909)
  3rd: Thomas William Coke (24 Jan 1909-19 Nov 1941)
  4th: Thomas William Coke (19 Nov 1941-21 Aug 1949)
  5th: Thomas William Edward Coke (21 Aug 1949-3 Sep 1976)
  6th: Anthony Louis Lovel Coke (3 Sep 1976-12 Aug 1994)
  7th: Edward Douglas Coke (1994- )

Earl of Leinster    [Ireland, 1646]
  1st: Robert Cholmondeley (5 Mar 1646-2 Oct 1659)

Earl of Leitrim    [Ireland, 1795]
  1st: Robert Clements (30 Sep 1795-27 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)

Earl of Lennox    [Scotland, 1150]
  1st: Alwyn (c 1150-c 1180)
  2nd: Alwin (c 1180-1216)

Earl of Lennox    [Scotland, 1572]
  1st: Charles Stuart (1572-1576)

Earl of Lennox    [Scotland, 1580]
  1st: Esmé Stuart (5 Mar 1580-26 May 1583)
  2nd: Ludovic Stuart (26 Mar 1583-16 Feb 1624)
  3rd: Esmé Stuart (16 Feb 1624-30 Jul 1624)
  4th: James Stuart (30 Jul 1624-30 Mar 1655)
  5th: Esme Stuart (30 Mar 1655-10 Aug 1660)
  6th: Charles Stuart (10 Aug 1660-12 Dec 1672)

Earl of Leven    [Scotland, 1616]
17th: Alexander Ian Leslie Melville (7 Apr 2012- )

Earl of Leven    [Scotland, 1641]
  1st: Alexander Leslie (11 Oct 1641-4 Apr 1661)
  2nd: Alexander Leslie (4 Apr 1661-15 Jul 1664)
  3rd: Margaret Leslie (15 Jul 1664-6 Nov 1674)
  4th: Catherine Leslie (6 Nov 1674-21 Jan 1676)
  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)

Earl of Lewes, Sussex    [United Kingdom, 1876]
  1st: William Nevill (14 Jan 1876-12 Dec 1915)
  2nd: Reginald William Bransby Nevill (12 Dec 1915-13 Oct 1927)
  3rd: Henry Gilbert Ralph Nevill (13 Oct 1927-10 Jan 1938)
  4th: Guy Temple Montacute Larnach-Nevill (10 Jan 1938-30 Mar 1954)
  5th: John Henry Guy Nevill (30 Mar 1954-23 Feb 2000)
  6th: Christopher George Charles Nevill (23 Feb 2000- )

Earl of Lichfield    [England, 1645]
  1st: Charles Stuart (10 Dec 1645-12 Dec 1672)

Earl of Lichfield, co. Stafford    [United Kingdom, 1831]
  1st: Thomas William Anson (15 Sep 1831-18 Mar 1854)
  2nd: Thomas George Anson (18 Mar 1854-7 Jan 1892)
  3rd: Thomas Francis Anson (7 Jan 1892-29 Jul 1918)
  4th: Thomas Edward Anson (29 Jul 1918-14 Sep 1960)
  5th: Thomas Patrick John Anson (14 Sep 1960-11 Nov 2005)
  6th: Thomas William Robert Hugh Anson (11 Nov 2005- )

Earl of Limerick    [Ireland, 1803]
  1st: Edmond Henry Pery (1 Jan 1803-7 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- )

Earl of Lincoln    [England, 1217]
  1st: Ranulf Blundeville (23 May 1217-c 27 Oct 1232)

Earl of Lincoln    [England, 1232]
  1st: John Lacy (22 Nov 1232-1240)
  1st: Hawise Chester (27 Oct 1232-c 1242)

Earl of Lincoln    [England, 1572]
  1st: Edward Clinton (4 May 1572-16 Jan 1585)
  2nd: Henry Clinton (16 Jan 1585-29 Sep 1616)
  3rd: Thomas Clinton (29 Sep 1616-15 Jan 1619)
  4th: Theophilus Clinton (15 Jan 1619-21 May 1667)
  5th: Edward Clinton (21 May 1667-25 Nov 1692)
  6th: Francis Clinton (25 Nov 1692-c Aug 1693)
  7th: Henry Clinton (c Aug 1693-7 Sep 1728)
  8th: George Clinton (7 Sep 1728-30 Apr 1730)
  9th: Henry Pelham-Clinton (30 Apr 1730-22 Feb 1794)
10th: Thomas Pelham-Clinton (22 Feb 1794-18 May 1795)
11th: Henry Pelham Pelham-Clinton (18 May 1795-12 Jan 1851)
12th: Henry Pelham Pelham-Clinton (12 Jan 1851-18 Oct 1864)
13th: Henry Pelham Alexander Pelham-Clinton (18 Oct 1864-22 Feb 1879)
14th: Henry Pelham Archibald Douglas Pelham-Clinton (22 Feb 1879-30 May 1928)
15th: Henry Francis Hope Pelham-Clinton-Hope (30 May 1928-20 Apr 1941)
16th: Henry Edward Hugh Pelham-Clinton-Hope (20 Apr 1941-4 Nov 1988)
17th: Edward Charles Pelham-Clinton (4 Nov 1988-25 Dec 1988)
18th: Edward Horace Fiennes-Clinton (25 Dec 1988-7 Jul 2001)
19th: Robert Edward Fiennes-Clinton (7 Jul 2001- )

Earl of Lindsay    [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- )

Earl of Lindsey, co. Lincoln    [England, 1626]
  1st: Robert Bertie (22 Nov 1626-23 Oct 1642)
  2nd: Montagu Bertie (23 Oct 1642-25 Jul 1666)
  3rd: Robert Bertie (25 Jul 1666-8 May 1701)
  4th: Robert Bertie (8 May 1701-26 Jul 1723)
  5th: Peregrine Bertie (26 Jul 1723-1 Jan 1742)
  6th: Peregrine Bertie (1 Jan 1742-12 Aug 1778)
  7th: Robert Bertie (12 Aug 1778-8 Jul 1779)
  8th: Brownlow Bertie (8 Jul 1779-8 Feb 1809)
  9th: Albemarle Bertie (8 Feb 1809-17 Sep 1818)
10th: George Augustus Frederick Albemarle Bertie (18 Sep 1818-21 Mar 1877)
11th: Montagu Peregrine Bertie (21 Mar 1877-29 Jan 1899)
12th: Montagu Peregrine Albemarle Bertie (29 Jan 1899-2 Jan 1938)
13th: Montagu Henry Edmund Cecil Towneley-Bertie (2 Jan 1938-11 Sep 1963)
14th: Richard Henry Rupert Bertie (11 Sep 1963- )

Earl of Lisburne, co. Antrim    [Ireland, 1776]
  1st: Wilmot Vaughan (18 Jul 1776-6 Jan 1800)
  2nd: Wilmot Vaughan (6 Jan 1800-6 May 1820)
  3rd: John Vaughan (6 May 1820-18 May 1831)
  4th: Ernest Augustus Vaughan (18 May 1831-8 Nov 1873)
  5th: Ernest Augustus Malet Vaughan (8 Nov 1873-31 Mar 1888)
  6th: George Henry Arthur Vaughan (31 Mar 1888-4 Sep 1899)
  7th: Ernest Edmund Henry Malet Vaughan (4 Sep 1899-30 Jun 1965)
  8th: John David Malet Vaughan (30 Jun 1965- )

Earl of Listowel    [Ireland, 1822]
  1st: William Hare (5 Feb 1822-13 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- )

Earl of Liverpool    [Great Britain, 1796]
  1st: Charles Jenkinson (1 Jun 1796-17 Dec 1808)
  2nd: Robert Bankes Jenkinson (7 Dec 1808-4 Dec 1828)
  3rd: Charles Cecil Cope Jenkinson (4 Dec 1828-3 Sep 1851)

Earl of Liverpool    [United Kingdom, 1905]
  1st: Cecil George Saville Foljambe (2 Dec 1905-23 Mar 1907)
  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- )

Earl Lloyd George of Dwyfor    [United Kingdom, 1945]
  1st: David Lloyd George (12 Feb 1945-26 Mar 1945)
  2nd: Richard Lloyd George (26 Mar 1945-1 May 1968)
  3rd: Owen Lloyd George (1 May 1968-29 Jul 2010)
  4th: David Richard Owen Lloyd George (29 Jul 2010- )

Earl of Londesborough, in the North Riding, co. Yorks    [United Kingdom, 1887]
  1st: William Henry Forester Denison (1 Jul 1887-19 Apr 1900)
  2nd: William Francis Henry Denison (19 Apr 1900-30 Oct 1917)
  3rd: George Francis William Henry Denison (30 Oct 1917-12 Sep 1920)
  4th: Hugo William Cecil Denison (12 Sep 1920-17 Apr 1937)

Earl of Londonderry    [Ireland, 1796]
  1st: Robert Stewart (8 Aug 1796-8 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- )

Earl Longford    [Ireland, 1785]
  1st: Elizabeth Cuffe (20 Jun 1785-27 Jan 1794)
  2nd: Thomas Pakenham (27 Jan 1794-24 May 1835)
  3rd: Edward Michael Pakenham (24 May 1835-27 Mar 1860)
  4th: William Lygon Pakenham (27 Mar 1860-19 Apr 1887)
  5th: Thomas Pakenham (19 Apr 1887-21 Aug 1915)
  6th: Edward Arthur Henry Pakenham (21 Aug 1915-4 Feb 1961)
  7th: Francis Aungier Pakenham (4 Feb 1961-3 Aug 2001)
  8th: Thomas Frank Dermot Pakenham (3 Aug 2001- )

Earl of Lonsdale, co. Westmorland    [United Kingdom, 1807]
  1st: William Lowther (7 Apr 1807-19 Mar 1844)
  2nd: William Lowther (19 Mar 1844-4 Mar 1872)
  3rd: Henry Lowther (4 Mar 1872-15 Aug 1876)
  4th: St. George Henry Lowther (15 Aug 1876-8 Feb 1882)
  5th: Hugh Cecil Lowther (8 Feb 1882-13 Apr 1944)
  6th: Lancelot Edward Lowther (13 Apr 1944-11 Mar 1953)
  7th: James Hugh William Lowther (6 Oct 1949-23 May 2006)
  8th: Hugh Clayton Lowther (23 May 2006- )

Earl of Lonsdale, co. Westmorland and co. Palatine of Lancaster    [Great Britain, 1784]
  1st: James Lowther (24 May 1784-24 May 1802)

Earl Loreburn, of Dumfries, co. Dumfries    [United Kingdom, 1911]
  1st: Robert Threshie Reid (4 Jul 1911-30 Nov 1923)

Earl of Lothian    [Scotland, 1606]
  1st: Mark Kerr (10 Jul 1606-8 Apr 1609)
  2nd: Robert Kerr (8 Apr 1609-6 Mar 1624)

Earl of Lothian    [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- )

Earl of Loudon    [Scotland, 1633]
15th: Simon Michael Abney-Hastings (30 Jun 2012- )

Earl of Loudoun    [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)

Earl of Louth    [Ireland, 1319]
  1st: John Bermingham (12 May 1319-10 Jun 1329)

Earl of Louth    [Ireland, 1759]
  1st: Thomas Bermingham (23 Apr 1759-11 Jan 1799)

Earl of Lovelace    [United Kingdom, 1838]
  1st: William King-Noel (30 Jun 1838-29 Dec 1893)
  2nd: Ralph Gordon Noel King-Milbanke (29 Dec 1893-28 Aug 1906)
  3rd: Lionel Fortescue King (28 Aug 1906-5 Oct 1929)
  4th: Peter Malcolm King (5 Oct 1929-4 Dec 1964)
  5th: Peter Axel William Locke King (4 Dec 1964- )

Earl of Lucan    [Ireland, 1795]
  1st: Charles Bingham (1 Oct 1795-29 Mar 1799)
  2nd: Richard Bingham (2 Mar 1799-30 Jun 1839)
  3rd: George Charles Bingham (30 Jun 1839-10 Nov 1888)
  4th: Charles George Bingham (10 Nov 1888-5 Jun 1914)
  5th: George Charles Bingham (5 Jun 1914-20 Apr 1949)
  6th: George Charles Patrick Bingham (20 Apr 1949-21 Jan 1964)
  7th: Richard John Bingham (21 Jan 1964-a Nov 1974)
  8th: George Charles Bingham (11 Dec 1992- )

Earl of Lytton, in the County of Derby    [United Kingdom, 1880]
  1st: Edward Robert Bulwer-Lytton (28 Apr 1880-24 Nov 1891)
  2nd: Victor Alexander George Robert Bulwer-Lytton (24 Nov 1891-25 Oct 1947)
  3rd: Neville Stephen Lytton (25 Oct 1947-9 Feb 1951)
  4th: Noel Anthony Scawen Lytton-Milbanke (9 Feb 1951-1985)
  5th: John Peter Michael Scawen Lytton (1985- )

Earl of Macclesfield, co. Chester    [Great Britain, 1721]
  1st: Thomas Parker (15 Nov 1721-28 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- )

Earl of Macduff, co. Banff    [United Kingdom, 1900]
  1st: Alexander William George Duff (24 Apr 1900-29 Jan 1912)
  2nd: Alexandra Victoria Alberta Edwina Louise Duff (29 Jan 1912-26 Feb 1959)
  3rd: James George Alexander Bannerman Carnegie (26 Feb 1959- )

Earl of Madeley, co. Stafford    [United Kingdom, 1911]
  1st: Robert Offley Ashburton Crewe-Milnes (22 Jun 1911-20 Jun 1945)

Earl of Malmesbury    [Great Britain, 1800]
  1st: James Harris (29 Dec 1800-21 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- )

Earl of Manchester, co. Lancaster    [England, 1626]
  1st: Henry Montagu (5 Feb 1626-7 Nov 1642)
  2nd: Edward Montagu (7 Nov 1642-5 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- )

Earl of Mansfield, co. Middlesex    [Great Britain, 1792]
  1st: William Murray (1 Aug 1792-20 Mar 1793)
  2nd: David Murray (20 Mar 1793-1 Sep 1796)
  3rd: David William Murray (1 Sep 1796-11 Feb 1840)
  4th: William David Murray (11 Feb 1840-2 Aug 1898)
  5th: William David Murray (2 Aug 1898-29 Apr 1906)
  6th: Alan David Murray (29 Apr 1906-14 Mar 1935)
  7th: Mungo David Malcolm Murray (14 Mar 1935-2 Sep 1971)
  8th: William David Mungo James Murray (2 Sep 1971- )

Earl of Mansfield, co. Nottingham    [Great Britain, 1776]
  1st: William Murray (31 Oct 1776-20 Mar 1793)
  2nd: Louisa Cathcart (20 Mar 1793-11 Jul 1843)
  3rd: William David Murray (11 Jul 1843-2 Aug 1898)
  4th: William David Murray (2 Aug 1898-29 Apr 1906)
  5th: Alan David Murray (29 Apr 1906-14 Mar 1935)
  6th: Mungo David Malcolm Murray (14 Mar 1935-2 Sep 1971)
  7th: William David Mungo James Murray (2 Sep 1971- )

Earl Manvers    [United Kingdom, 1806]
  1st: Charles Pierrepont (9 Apr 1806-17 Jun 1816)
  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)

Earl of Mar    [Scotland, 1115]
  1st: Roderick (c 1115- )
  2nd: Morgund Mac Gylocher (a 1133-b 30 Mar 1183)
  3rd: Gilchrist (b 30 Mar 1183- )
  4th: Duncan (b 29 Aug 1229-a 7 Feb 1244)
  5th: William (b 7 Feb 1244-fr 1291-1291)
  6th: Donald (25 Jul 1281-a 25 Jul 1297)
  7th: Gartnait (a 25 Jul 1297-b Sep 1305)
  8th: Donald (b Sep 1305-12 Aug 1332)
  9th: Thomas (12 Aug 1332-fr 1373-1374)
10th: Margaret (c 1374-bt 1391-1393)
11th: Isabel Douglas (b 19 Oct 1393-bt 1408-1408)
12th: Alexander Stewart (12 Aug 1404-6 Jul 1435)
13th: Robert Erskine (b Jun 1436-bt 1451-1452)
14th: Alexander Erskine (b 1493-fr 1508-1509)
14th: Thomas Erskine (bt 1451-1452-b 1493)
16th: Robert Erskine (fr 1508-1509-9 Sep 1513)
17th: John Erskine (9 Sep 1513-bt 1555-1555)
18th: John Erskine (fr 1555-1555-28 Oct 1572)
19th: John Erskine (28 Oct 1572-14 Dec 1634)
20th: John Erskine (14 Dec 1634-1653)
21st: John Erskine (1653-Sep 1668)
22nd: Charles Erskine (Sep 1668-23 May 1689)
23rd: John Erskine (23 May 1689-May 1732)
24th: John Francis Erskine (17 Jun 1824-20 Aug 1825)
25th: John Thomas Erskine (20 Aug 1825-20 Sep 1828)
26th: John Francis Miller Erskine (20 Sep 1828-19 Jun 1866)
27th: John Francis Erskine Goodeve-Erskine (19 Jun 1866-17 Jun 1930)
28th: John Francis Hamilton Sinclair Cunliffe Brookes Forbes Goodeve-Erskine (17 Jun 1930-29 Sep 1932)
29th: Lionel Walter Young-Erskine (29 Sep 1932-27 Nov 1965)
30th: James Clifton Mar (27 Nov 1965-21 Apr 1975)
31st: Margaret Alison Mar (1975- )

Earl of Mar    [Scotland, 1562]
  1st: James Stewart (7 Feb 1562-20 Jan 1570)

Earl of Mar    [Scotland, 1565]
  1st: John Erskine (20 Jul 1565-28 Oct 1572)
  2nd: John Erskine (28 Oct 1572-14 Dec 1634)
  3rd: John Erskine (14 Dec 1634-1653)
  4th: John Erskine (1653-Sep 1668)
  5th: Charles Erskine (Sep 1668-23 May 1689)
  6th: John Erskine (23 May 1689-May 1732)
  7th: John Francis Erskine (17 Jun 1824-20 Aug 1825)
  8th: John Thomas Erskine (20 Aug 1825-20 Sep 1828)
  9th: John Francis Miller Erskine (20 Sep 1828-19 Jun 1866)
10th: Walter Coningsby Erskine (19 Jun 1866-15 Jan 1872)
11th: Walter Henry Erskine (15 Jan 1872-16 Sep 1888)
12th: Walter John Francis Erskine (16 Sep 1888-3 Jun 1955)
13th: John Francis Hervey Erskine (3 Jun 1955-1993)
14th: James Thorne Erskine (1993- )

Earl of March    [Scotland, 1290]
  1st: Patrick Dunbar (c 1290-10 Oct 1308)
  2nd: Patrick Dunbar (10 Oct 1308-11 Nov 1368)
  3rd: George Dunbar (25 Jul 1368-bt 1416-1420)
  4th: George Dunbar (c 1420-bt 1455-1457)

Earl of March    [England, 1479]
  1st: Edward V Plantagenet (8 Jul 1479-a Nov 1483)

Earl of March    [Scotland, 1580]
  1st: Robert Stuart (1580-29 Aug 1586)

Earl of March    [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)

Earl of March    [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- )

Earl of March and Moray    [Scotland, 1358]
  1st: Patrick Dunbar (1358-11 Nov 1368)

Earl of Marchmont    [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)

Earl Marischal    [Scotland, 1458]
  1st: William Keith (bt 1457-1458-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)

Earl of Marlborough, co. Wilts    [England, 1689]
  1st: John Churchill (9 Apr 1689-16 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- )

Earl of the County of Mayo    [Ireland, 1785]
  1st: John Bourke (24 Jun 1785-2 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- )

Earl of Meath    [Ireland, 1627]
  1st: William Brabazon (16 Apr 1627-c 16 Dec 1651)
  2nd: Edward Brabazon (c 16 Dec 1651-25 Mar 1675)
  3rd: William Brabazon (25 Mar 1675-c 27 Feb 1685)
  4th: Edward Brabazon (c 28 Feb 1685-22 Feb 1708)
  5th: Chambre Brabazon (22 Feb 1707-1 Apr 1715)
  6th: Chaworth Brabazon (1 Apr 1715-14 May 1763)
  7th: Edward Brabazon (14 May 1763-24 Nov 1772)
  8th: Anthony Brabazon (24 Nov 1772-4 Jan 1790)
  9th: William Brabazon (4 Jan 1790-26 May 1797)
10th: John Chambré Brabazon (26 May 1797-15 Mar 1851)
11th: William Brabazon (15 Mar 1851-26 May 1887)
12th: Reginald Brabazon (26 May 1887-11 Oct 1929)
13th: Reginald le Normand Brabazon (11 Oct 1929-10 Mar 1949)
14th: Anthony Windham Normand Brabazon (10 Mar 1949-19 Dec 1998)
15th: John Anthony Brabazon (19 Dec 1998- )

Earl of Medina, co. Southampton    [United Kingdom, 1917]
  1st: Louis Alexander Mountbatten (17 Jul 1917-11 Sep 1921)
  2nd: George Louis Victor Henry Serge Mountbatten (11 Sep 1921-8 Apr 1938)
  3rd: David Michael Mountbatten (8 Apr 1938-14 Apr 1970)
  4th: George Ivar Louis Mountbatten (14 Apr 1970- )

Earl of Melfort    [Scotland, 1686]
  1st: John Drummond (21 Aug 1686-25 Jan 1715)

Earl of Melrose, co. Roxburgh    [Scotland, 1619]
  1st: Thomas Hamilton (20 Mar 1619-29 May 1637)

Earl of Melville    [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- )

Earl of Menteith    [Scotland, 1427]
  1st: Malise Graham (6 Sep 1427-bt 1485-1491)
  2nd: Alexander Graham (1491-fr 1537-1537)
  3rd: William Graham (1537-c 1544)
  4th: John Graham (c 1544-Jan 1565)
  5th: William Graham (Jan 1565-Sep 1578)
  6th: John Graham (Sep 1578-Dec 1598)
  7th: William Graham (Dec 1598-a 13 Apr 1661)
  8th: William Graham (a Apr 1661-12 Sep 1694)

Earl of Merioneth    [United Kingdom, 1947]
  1st: Philip Mountbatten (19 Nov 1947- )

Earl Mexborough of Lifford, co. Donegal    [Ireland, 1766]
  1st: John Savile (11 Feb 1766-17 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)
  7th: John Raphael Wentworth Savile (16 Sep 1945-15 Jul 1980)
  8th: John Christopher George Savile (15 Jul 1980- )

Earl of Mexborough of Lifford, co. Longford    [Ireland, 1766]
  6th: John Henry Savile (8 Jun 1916-16 Sep 1945)

Earl of Milford Haven    [Great Britain, 1706]
  1st: George II Augustus Hanover (9 Nov 1706-25 Oct 1760)

Earl of Minto, co. Roxburgh    [United Kingdom, 1813]
  1st: Gilbert Elliot-Murray-Kynynmound (24 Feb 1813-21 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- )

Earl of Moira    [Ireland, ]
  1st: John Rawdon ( -20 Jun 1793)

Earl of Monmouth    [England, 1626]
  1st: Robert Carey (5 Feb 1626-12 Apr 1639)

Earl of Montagu    [England, 1689]
  1st: Ralph Montagu (9 Apr 1689-9 Mar 1709)
  2nd: John Montagu (9 Mar 1709-5 Jul 1749)

Earl de Montalt of Dundrum, co. Tipperary    [United Kingdom, 1886]
  1st: Cornwallis Maude (9 Sep 1886-9 Jan 1905)

Earl of Montrose    [Scotland, 1503]
  1st: William Graham (bt 1503-1503-9 Sep 1513)
  2nd: William Graham (9 Sep 1513-24 May 1571)
  3rd: John Graham (24 May 1571-9 Nov 1608)
  4th: John Graham (9 Nov 1608-14 Nov 1626)
  5th: James Graham (14 Nov 1626-21 May 1650)
  6th: James Graham (21 May 1650-Feb 1669)
  7th: James Graham (Feb 1669-25 Apr 1684)
  8th: James Graham (25 Apr 1684-7 Jan 1742)
  9th: William Graham (7 Jan 1742-23 Sep 1790)
10th: James Graham (23 Sep 1790-30 Dec 1836)
11th: James Graham (30 Dec 1836-30 Dec 1874)
12th: Douglas Beresford Malise Ronald Graham (30 Dec 1874-10 Dec 1925)
13th: James Graham (Dec 1925-20 Jan 1954)
14th: James Angus Graham (20 Jan 1954-10 Feb 1992)
15th: James Graham (1992- )

Earl of Moray    [Scotland, 1372]
  1st: John Dunbar (9 Mar 1372-b 15 Feb 1392)
  3rd: Thomas Dunbar (1415-1427)
  4th: James Dunbar (1427-c 10 Aug 1429)

Earl of Moray    [Scotland, 1456]
  1st: David Stewart (12 Feb 1456-b 18 Jul 1457)

Earl of Moray    [Scotland, 1501]
  1st: James Stewart (1501-12 Jun 1544)

Earl of Moray    [Scotland, 1549]
  1st: George Gordon (13 Feb 1549-22 Oct 1562)

Earl of Moray    [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- )

Earl of Morley, co. Devon    [United Kingdom, 1815]
  1st: John Parker (29 Nov 1815-14 Mar 1840)
  2nd: Edmund Parker (14 Mar 1840-28 Apr 1864)
  3rd: Albert Edward Parker (28 Aug 1864-26 Feb 1905)
  4th: Edmund Robert Parker (26 Feb 1905-10 Oct 1951)
  5th: Montagu Brownlow Parker (10 Oct 1951-28 Apr 1962)
  6th: John St. Aubyn Parker (28 Apr 1962- )

Earl of Mornington    [Ireland, 1760]
  1st: Garret Wesley (2 Oct 1760-22 May 1781)
  2nd: Richard Wellesley (22 May 1781-26 Sep 1842)
  3rd: William Wellesley-Pole (26 Sep 1842-22 Feb 1845)
  4th: William Pole-Tylney-Long-Wellesley (22 Feb 1845-1 Jul 1857)
  5th: William Richard Arthur Pole-Tylney-Long-Wellesley (1 Jul 1857-25 Jul 1863)
  6th: Arthur Richard Wellesley (25 Jul 1863-13 Aug 1884)
  7th: Henry Wellesley (13 Aug 1884-8 Jun 1900)
  8th: Arthur Charles Wellesley (8 Jun 1900-18 Jun 1934)
  9th: Arthur Charles Wellesley (18 Jun 1934-11 Dec 1941)
10th: Henry Valerian George Wellesley (11 Dec 1941-16 Sep 1943)
11th: Gerald Wellesley (16 Sep 1943-4 Jan 1972)
12th: Arthur Valerian Wellesley (4 Jan 1972- )

Earl of Morton    [Scotland, 1458]
  1st: James Douglas (14 Mar 1458-1493)
  2nd: John Douglas (22 Oct 1492-bt 1511-1513)
  3rd: James Douglas (bt 1511-1513-Dec 1548)
  4th: James Douglas (2 Jun 1564-2 Jun 1581)
  5th: Archibald Douglas (29 Jan 1586-4 Aug 1588)
  6th: William Douglas (4 Aug 1588-c 24 Sep 1606)
  7th: William Douglas (c Sep 1606-7 Aug 1648)
  8th: Robert Douglas (7 Aug 1648-12 Nov 1649)
  9th: William Douglas (12 Nov 1649-b 1 Nov 1681)
10th: James Douglas (c Nov 1661-25 Aug 1686)
11th: James Douglas (25 Aug 1686-7 Dec 1715)
12th: Robert Douglas (7 Dec 1715-22 Jan 1730)
13th: George Douglas (22 Jan 1730-4 Jan 1738)
14th: James Douglas (4 Jan 1738-12 Oct 1768)
15th: Sholto Charles Douglas (12 Oct 1768-25 Sep 1774)
16th: George Douglas (25 Sep 1774-17 Jul 1827)
17th: George Sholto Douglas (17 Jul 1827-31 Mar 1858)
18th: Sholto John Douglas (31 Mar 1858-24 Dec 1884)
19th: Sholto George Douglas (24 Mar 1884-8 Oct 1935)
20th: Sholto Charles John Hay Douglas (8 Oct 1935-13 Feb 1976)
21st: John Charles Sholto Douglas (13 Feb 1976- )

Earl of Morton    [Scotland, 1581]
  1st: John Maxwell (5 Jun 1581-6 Dec 1593)

Earl of Mount Charles    [Ireland, 1816]
  1st: Henry Conyngham (15 Jan 1816-28 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- )

Earl Mountcashell, of Cashell    [Ireland, 1781]
  1st: Stephen Moore (5 Jan 1781-14 May 1790)
  2nd: Stephen Moore (14 May 1790-27 Oct 1822)
  3rd: Stephen Moore (Oct 1822-10 Oct 1883)
  4th: Stephen Moore (10 Oct 1883-9 Nov 1889)
  5th: Charles William More (9 Nov 1889-20 Feb 1898)
  6th: Edward George Augustus Harcourt Moore (20 Feb 1898-1 Apr 1915)

Earl of Mountnorris    [Ireland, 1793]
  1st: Arthur Annesley (3 Dec 1793-4 Jul 1816)
  2nd: George Annesley (4 Jul 1816-23 Jul 1844)

Earl of Mountrath, 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)
  7th: Charles Henry Coote (27 Aug 1744-2 Mar 1802)

Earl of Munster    [Ireland, 1789]
  1st: William IV Hanover (20 May 1789-20 Jun 1837)

Earl of Munster    [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)
  6th: Edward Charles Fitz-Clarence (27 Aug 1975-1983)
  7th: Anthony Charles Fitz-Clarence (1983-30 Dec 2000)

Earl of Newcastle-on-Tyne    [England, 1628]
  1st: William Cavendish (7 Mar 1628-25 Dec 1676)
  2nd: Henry Cavendish (25 Dec 1676-26 Jul 1691)

Earl of Newcastle-upon-Tyne    [England, 1623]
  1st: Ludovic Stuart (17 May 1623-16 Feb 1624)

Earl of Norfolk    [England, 1644]
  1st: Thomas Howard (6 Jun 1644-4 Oct 1646)

Earl of Norfolk    [Great Britain, 1784]
  2nd: George Gordon (17 Jun 1827-28 May 1836)

Earl of Northbrook, co. Southampton    [United Kingdom, 1876]
  1st: Thomas George Baring (10 Jun 1876-15 Nov 1904)
  2nd: Francis George Baring (15 Nov 1904-12 Apr 1929)

Earl of Northumberland    [England, 1067]
  1st: Gospatric (1067-c 1075)

Earl of Northumberland    [England, 1377]
  1st: Henry Percy (16 Jul 1377-19 Feb 1408)

Earl of Northumberland    [England, 1416]
  1st: Henry Percy (16 Mar 1416-22 May 1455)

Earl of Northumberland    [England, 1464]
  1st: John Neville (27 May 1464-14 Apr 1471)

Earl of Northumberland    [England, 1557]
  1st: Thomas Percy (1 May 1557-22 Aug 1572)
  2nd: Henry Percy (22 Aug 1572-21 Jun 1585)

Earl of Norwich    [England, 1626]
  1st: Edward Denny (24 Oct 1626-24 Oct 1637)

Earl of Norwich    [England, 1644]
  1st: George Goring (28 Nov 1644-6 Jan 1663)
  2nd: Charles Goring (6 Jan 1663-3 Mar 1671)

Earl of Norwich    [Great Britain, 1784]
  1st: Alexander Gordon (7 Jul 1784-17 Jun 1827)

Earl of Nottingham    [England, 1483]
  1st: William Berkeley (28 Jun 1483-14 Feb 1492)

Earl of Nottingham    [England, 1596]
  1st: Charles Howard (22 Oct 1596-14 Dec 1624)
  2nd: Charles Howard (14 Dec 1624-3 Oct 1642)
  3rd: Charles Howard (3 Oct 1642-26 Apr 1681)

Earl Nugent    [Ireland, 1776]
  1st: Robert Nugent (27 Jun 1776-14 Oct 1788)
  2nd: George Nugent-Temple-Grenville (13 Oct 1788-11 Feb 1813)
  3rd: Richard Temple-Nugent-Brydges-Chandos-Grenville (11 Feb 1813-17 Jan 1839)
  4th: Richard Plantagenet Temple-Nugent-Brydges-Chandos-Grenville (17 Jan 1839-29 Jul 1861)
  5th: Richard Plantagenet Campbell Temple-Nugent-Brydges-Chandos-Grenville (29 Jul 1861-26 Mar 1889)

Earl of Offaly    [Ireland, 1761]
  1st: James FitzGerald (3 Mar 1761-19 Nov 1773)
  2nd: William Robert FitzGerald (19 Nov 1773-20 Oct 1804)
  3rd: Augustus Frederick FitzGerald (20 Oct 1804-10 Oct 1874)
  4th: Charles William FitzGerald (10 Oct 1874-10 Feb 1887)
  5th: Gerald FitzGerald (10 Feb 1887-1 Dec 1893)
  6th: Maurice FitzGerald (1 Dec 1893-4 Feb 1922)
  7th: Edward FitzGerald (4 Feb 1922-8 Mar 1976)
  8th: Gerald FitzGerald (8 Mar 1976-3 Dec 2004)
  9th: Maurice FitzGerald (3 Dec 2004- )

Earl of Ogle, co. Northumberland    [England, 1665]
  1st: William Cavendish (16 Mar 1665-25 Dec 1676)
  2nd: Henry Cavendish (25 Dec 1676-26 Jul 1691)

Earl of Orford    [Great Britain, 1742]
  1st: Robert Walpole (6 Feb 1742-18 Mar 1745)
  2nd: Robert Walpole (1745-31 Mar 1751)

Earl of Orford    [United Kingdom, 1806]
  1st: Horatio Walpole (10 Apr 1806-24 Feb 1809)
  2nd: Horatio Walpole (24 Feb 1809-15 Jun 1822)
  3rd: Horatio Walpole (15 Jun 1822-29 Dec 1858)
  4th: Horatio William Walpole (29 Dec 1858-7 Dec 1894)
  5th: Robert Horace Walpole (7 Dec 1894-27 Sep 1931)

Earl of Orford, co. Suffolk    [England, 1697]
  1st: Edward Russell (7 May 1697-26 Nov 1727)

Earl of Orkney    [Scotland, 1379]
  1st: Henry Sinclair (2 Aug 1379-1404)
  2nd: Henry Sinclair (c 1404-c 1 Feb 1421)
  3rd: William Sinclair (c 1 Feb 1421-b 21 May 1480)

Earl of Ormelie    [United Kingdom, 1831]
  1st: John Campbell (12 Sep 1831-29 Mar 1834)
  2nd: John Campbell (29 Mar 1834-8 Nov 1862)

Earl of Ormelie, co. Caithness    [United Kingdom, 1885]
  1st: Gavin Campbell (11 Jul 1885-19 Oct 1922)

Earl of Ormond    [Ireland, 1527]
  1st: Thomas Boleyn (1527-13 Mar 1539)

Earl of Ormond    [Scotland, 1651]
  1st: Archibald Douglas (3 Apr 1651-16 Apr 1655)

Earl of Orrery    [Ireland, 1660]
  1st: Roger Boyle (5 Sep 1660-16 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 (28 Aug 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- )

Earl of Oxford and Asquith    [United Kingdom, 1925]
  1st: Herbert Henry Asquith (9 Feb 1925-1928)
  2nd: Edward Julian George Asquith (1928- )

Earl of Pembroke    [England, 1138]
  1st: Gilbert Clare (c 1138-1148)
  2nd: Richard FitzGilbert Clare (1149-20 Apr 1176)
  4th: Isabella Clare

Earl of Pembroke    [England, 1339]
  1st: Laurence Hastings (13 Feb 1339-30 Aug 1348)
  2nd: John Hastings (30 Aug 1348-16 Apr 1375)
  3rd: John Hastings (16 Apr 1375-30 Dec 1389)

Earl of Pembroke    [England, 1453]
  1st: Jasper Tudor (6 Mar 1453-21 Dec 1495)

Earl of Pembroke    [England, 1468]
  1st: William Herbert (8 Sep 1468-27 Jul 1469)
  2nd: William Herbert (27 Jul 1469-16 Jul 1491)

Earl of Pembroke    [England, 1479]
  1st: Edward V Plantagenet (8 Jul 1479-a Nov 1483)

Earl of Pembroke    [England, 1551]
  5th: Philip Herbert (1650-11 Dec 1669)
  6th: William Herbert ( -8 Jul 1674)
  8th: Thomas Herbert ( -22 Jan 1733)
  9th: Henry Herbert ( -9 Jan 1750)

Earl of Perth    [Scotland, 1605]
  1st: James Drummond (4 Mar 1605-8 Dec 1611)
  2nd: John Drummond (8 Dec 1611-11 Jun 1662)

Earl of Plymouth    [England, 1682]
  1st: Thomas Windsor Windsor (6 Dec 1682-3 Nov 1687)
  2nd: Other Windsor (3 Nov 1687-26 Dec 1727)
  3rd: Other Windsor (26 Dec 1727-23 Nov 1732)
  4th: Other Lewis Windsor (23 Nov 1732-20 Apr 1771)
  5th: Other Hickman Windsor (20 Apr 1771-12 Jun 1799)
  6th: Other Archer Windsor (12 Jun 1799-10 Jul 1833)
  7th: Andrews Windsor (12 Jun 1799-19 Jan 1837)
  8th: Henry Windsor (19 Jan 1837-8 Dec 1843)

Earl of Portarlington, in the Queen's County    [Ireland, 1785]
  1st: John Dawson (21 Jun 1785-25 Nov 1798)
  2nd: John Dawson (25 Nov 1798-28 Dec 1845)
  4th: Lionel Seymour William Dawson-Damer ( -17 Dec 1892)
  5th: Lionel George Henry Seymour Dawson-Damer (17 Dec 1892-31 Aug 1900)
  6th: Lionel George Henry Seymour Dawson-Damer (31 Aug 1900-4 Jul 1959)
  7th: George Lionel Yuill Seymour Dawson-Damer (4 Jul 1959- )

Earl of Portland    [England, 1689]
11th: Henry Noel Bentinck (30 Jul 1990-30 Jan 1997)
12th: Timothy Charles Robert Noel Bentinck (30 Jan 1997- )

Earl of Portland, co. Dorset    [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)
  4th: 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)

Earl of Powis, co. Montgomery    [Great Britain, 1748]
  1st: Henry Arthur Herbert (27 May 1748-10 Sep 1772)
  2nd: George Edward Henry Arthur Herbert (11 Sep 1772-16 Jan 1801)

Earl of Powis, co. Montgomery    [United Kingdom, 1804]
  1st: Edward Clive (14 May 1804-16 May 1839)

Earl of Ranelagh    [Ireland, 1677]
  1st: Richard Jones (11 Dec 1677-5 Jan 1712)

Earl of Ranfurly    [Ireland, 1831]
  1st: Thomas Knox (14 Sep 1831-26 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- )

Earl of Ravensworth    [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)

Earl of Redesdale, co. Northumberland    [United Kingdom, 1877]
  1st: John Thomas Freeman-Mitford (3 Jan 1877-2 May 1886)

Earl of Richmond    [England, 1613]
  1st: Ludovic Stuart (6 Oct 1613-16 Feb 1624)

Earl of Ripon, co. York    [United Kingdom, 1833]
  1st: Frederick John Robinson (13 Apr 1833-28 Jan 1859)
  2nd: George Frederick Samuel Robinson (28 Jan 1859-9 Jul 1909)
  3rd: Frederick Oliver Robinson (9 Jul 1909-22 Sep 1923)

Earl Roberts, of Kandahar in Afghanistan and Pretoria in the Transvaal Colony and of the City of Waterford    [United Kingdom, 1901]
  1st: Frederick Sleigh Roberts (11 Feb 1901-14 Nov 1914)
  2nd: Aileen Mary Roberts (14 Nov 1914-9 Oct 1944)
  3rd: Ada Edwina Stewart Roberts (9 Oct 1944-21 Feb 1955)

Earl of Rochford    [England, 1696]
  1st: Henry FitzJames (13 Jan 1696-16 Dec 1702)

Earl of Rockingham    [Great Britain, 1714]
  2nd: Lewis Watson (19 Mar 1714-4 Dec 1745)

Earl of Rockingham, co. Northampton    [Great Britain, 1714]
  1st: Lewis Watson (9 Oct 1714-19 Mar 1724)
  3rd: Thomas Watson (4 Dec 1745-26 Feb 1746)

Earl of Rocksavage, co. Chester    [United Kingdom, 1815]
  1st: George James Cholmondeley (22 Nov 1815-10 Apr 1827)
  2nd: George Horatio Cholmondeley (10 Apr 1827-8 May 1870)
  3rd: William Henry Hugh Cholmondeley (8 May 1870-16 Dec 1884)
  4th: George Henry Hugh Cholmondeley (16 Dec 1884-16 Mar 1923)
  5th: George Horatio Charles Cholmondeley (16 Mar 1923-16 Sep 1968)
  6th: George Hugh Cholmondeley (16 Sep 1968-13 Mar 1990)
  7th: David George Philip Cholmondeley (13 Mar 1990- )

Earl of Romney, co. Kent    [England, 1694]
  1st: Henry Sydney (14 May 1694-8 Apr 1704)

Earl of Ronaldshay, co. Orkney    [United Kingdom, 1892]
  1st: Lawrence Dundas (22 Aug 1892-11 Mar 1929)
  2nd: Lawrence John Lumley Dundas (11 Mar 1929-6 Feb 1961)
  3rd: Lawrence Aldred Mervyn Dundas (6 Feb 1961-5 Oct 1989)
  4th: Lawrence Mark Dundas (6 Oct 1989- )

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

Earl of Ross    [Scotland, 1600]
  1st: Charles I Stuart (23 Dec 1600-30 Jan 1649)

Earl of Ross    [Ireland, 1772]
  1st: Ralph Gore (4 Jan 1772-1802)

Earl of Rosse    [Ireland, 1718]
  1st: Richard Parsons (16 Jun 1718-26 Jun 1741)
  2nd: Richard Parsons (26 Jun 1741-27 Aug 1764)

Earl of Rosse    [Ireland, 1806]
  1st: Laurence Parsons-Harman (3 Feb 1806-20 Apr 1807)
  2nd: Laurence Parsons (20 Apr 1807-24 Feb 1841)
  3rd: William Parsons (24 Feb 1841-31 Oct 1867)
  4th: Laurence Parsons (31 Oct 1867-29 Aug 1908)
  5th: William Edward Parsons (29 Aug 1908-10 Jun 1918)
  6th: Laurence Michael Harvey Parsons (10 Jun 1918-1 Jul 1979)
  7th: William Clere Leonard Brendan Parsons (1 Jul 1979- )

Earl of Ruglen    [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)

Earl of Rutland    [England, 1390]
  1st: Edward York (25 Feb 1390-25 Oct 1415)

Earl of Saint Vincent    [Great Britain, 1797]
  1st: John Jervis (23 Jun 1797-13 Mar 1823)

Earl of Salisbury    [England, 1472]
  1st: George Plantagenet (25 Mar 1472-18 Feb 1478)

Earl of Salisbury    [England, 1605]
  1st: Robert Cecil (4 May 1605-24 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 (4 Apr 1947-23 Feb 1972)
12th: Robert Edward Peter Gascoyne-Cecil (23 Feb 1972-11 Jul 2003)
13th: Robert Michael James Gascoyne-Cecil (11 Jul 2003- )

Earl of Scarsdale    [England, 1645]
  1st: Francis Leke (11 Nov 1645-9 Apr 1665)
  2nd: Nicholas Leke (9 Apr 1665-27 Jan 1681)
  3rd: Robert Leke (1680-27 Dec 1707)
  4th: Nicholas Leke (1707-1736)

Earl of Seaforth    [Scotland, 1623]
  1st: Colin Mackenzie (3 Dec 1623-15 Apr 1633)
  2nd: George Mackenzie (15 Apr 1633-Aug 1651)
  3rd: Kenneth Mackenzie (Aug 1651-Dec 1678)
  4th: Kenneth Mackenzie (Dec 1678-Jan 1701)
  5th: William Mackenzie (Jan 1701-8 Jan 1740)

Earl of Seaforth    [Ireland, 1771]
  1st: Kenneth Mackenzie (3 Dec 1771-Aug 1781)

Earl of Selkirk    [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- )

Earl of Sheffield    [Ireland, 1816]
  1st: John Baker Holroyd (16 Jan 1816-30 May 1821)
  2nd: George Augustus Frederick Charles Holroyd (30 May 1821-5 Apr 1876)
  3rd: Henry North Holroyd (5 Apr 1876-21 Apr 1909)

Earl of Shelburne, co. Wexford    [Ireland, 1753]
  1st: John Petty (6 Jun 1753-14 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- )

Earl of Snowdon    [United Kingdom, 1961]
  1st: Antony Charles Robert Armstrong-Jones (6 Oct 1961- )

Earl of Somerset    [England, 1397]
  1st: John Beaufort (10 Feb 1397-16 Mar 1410)
  2nd: Henry Beaufort (16 Mar 1410-25 Nov 1418)
  3rd: John Beaufort (25 Nov 1418-27 May 1444)

Earl of Somerset    [England, 1613]
  1st: Robert Carr (3 Nov 1613-c Jul 1645)

Earl Sommers    [United Kingdom, 1821]
  1st: John Sommers Cocks (17 Jul 1821-5 Jan 1841)
  2nd: John Sommers Somers-Cocks (5 Jan 1841-5 Oct 1852)
  3rd: Charles Somers Somers-Cocks (5 Oct 1852-26 Sep 1883)

Earl of Southampton    [England, 1537]
  1st: William FitzWilliam (18 Oct 1537-15 Oct 1542)

Earl of Southampton    [England, 1547]
  3rd: Henry Wriothesley ( -10 Nov 1624)
  4th: Thomas Wriothesley (10 Nov 1625-16 May 1667)

Earl of Southampton    [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)

Earl of Southesk    [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- )

Earl Spencer    [Great Britain, 1765]
  1st: John Spencer (1 Nov 1765-31 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- )

Earl of St. Albans    [England, 1660]
  1st: Henry Jermyn (27 Apr 1660-1683)

Earl of St. Albans, co. Hertford    [England, 1628]
  1st: Richard Bourke (23 Aug 1628-12 Nov 1635)
  2nd: Ulrick Bourke (12 Nov 1635-29 Apr 1658)

Earl of St. Andrews    [United Kingdom, 1934]
  1st: George Edward Alexander Edmund Windsor (12 Oct 1934-25 Aug 1942)

Earl St. Maur, of Berry Pomeroy, co. Devon    [United Kingdom, 1863]
  1st: Edward Adolphus Seymour (19 Jun 1863-28 Dec 1885)

Earl of Stafford    [England, 1351]
  2nd: Hugh Stafford (31 Aug 1372-13 Oct 1386)

Earl Stanhope    [Great Britain, 1718]
  1st: James Stanhope (14 Apr 1718-5 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)

Earl of Stirling    [Scotland, 1633]
  1st: William Alexander (14 Jun 1633-bt 1639-1640)

Earl of Stockton    [United Kingdom, 1984]
  1st: Maurice Harold Macmillan (1984-1986)
  2nd: Alexander Daniel Alan Macmillan (1986- )

Earl de Strabolgi    [England, 1318]
  3rd: David Strathbogie (30 Nov 1335-10 Oct 1369)

Earl of Strafford    [United Kingdom, 1847]
  1st: John Byng (1847-3 Jun 1860)

Earl Strange    [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)

Earl of Strathearn    [Scotland, 1358]
  1st: Robert II Stewart (1358-19 Apr 1390)

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

Earl of Strathtay and Strathardle, 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- )

Earl of Suffolk    [England, 1385]
  1st: Michael Pole (1385- )

Earl of Sunderland    [England, 1627]
  1st: Emmanuel Scrope (19 Jun 1627-30 May 1630)

Earl of Sunderland    [England, 1643]
  1st: Henry Spencer (8 Jun 1643-20 Sep 1643)
  2nd: Robert Spencer (20 Sep 1643-28 Sep 1702)
  3rd: Charles Spencer (28 Sep 1702-19 Apr 1722)
  4th: Robert Spencer (19 Apr 1722-15 Sep 1729)
  5th: Charles Spencer (15 Sep 1729-20 Oct 1758)
  6th: George Spencer (20 Oct 1758-29 Jan 1817)
  7th: George Spencer-Churchill (29 Jan 1817-5 Mar 1840)
  8th: George Spencer-Churchill (5 Mar 1840-1 Jul 1857)
  9th: John Winston Spencer-Churchill (1 Jul 1857-5 Jul 1883)
10th: George Charles Spencer-Churchill (16 Apr 1883-9 Nov 1892)
11th: Charles Richard John Spencer-Churchill (9 Nov 1892-30 Jun 1934)
12th: John Albert Edward William Spencer-Churchill (30 Jun 1934-11 Mar 1972)
13th: John George Vanderbilt Henry Spencer-Churchill (10 Mar 1972- )

Earl of Surrey    [England, 1088]
  1st: William I Warenne (c 16 Apr 1088-24 Jun 1088)
  2nd: William II Warenne (1088-c 11 May 1138)
  3rd: William III Warenne (c 11 May 1138-19 Jan 1148)

Earl of Sussex    [England, 1529]
  1st: Robert Radcliffe (8 Dec 1529-27 Nov 1542)
  2nd: Henry Radcliffe (27 Nov 1542-17 Feb 1557)
  3rd: Thomas Radcliffe (17 Feb 1557-9 Jun 1583)
  4th: Henry Radcliffe (9 Jun 1583-14 Dec 1593)
  5th: Robert Radcliffe (14 Dec 1593-22 Sep 1629)
  6th: Edward Radcliffe (22 Sep 1629-bt 1643-1643)

Earl of Sussex    [Great Britain, 1717]
  1st: Talbot Yelverton (26 Sep 1717-27 Oct 1731)
  2nd: George Augustus Yelverton (27 Oct 1731-8 Jan 1758)
  3rd: Henry Yelverton (8 Jan 1758-22 Apr 1779)

Earl of Sussex    [United Kingdom, 1874]
  1st: Arthur William Patrick Albert Saxe-Coburg and Gotha (24 May 1874-16 Jan 1942)
  2nd: Alistair Arthur Windsor (16 Jan 1942-26 Apr 1943)

Earl Sydney    [United Kingdom, 1874]
  1st: John Robert Townshend (27 Feb 1874-14 Feb 1890)

Earl Temple    [Great Britain, 1749]
  1st: Hester Temple (18 Oct 1749-6 Oct 1752)
  2nd: Richard Grenville (6 Oct 1752-11 Sep 1779)
  3rd: George Nugent-Temple-Grenville (11 Sep 1779-11 Feb 1813)

Earl Temple of Stowe, co. Buckingham    [United Kingdom, 1822]
  1st: Richard Temple-Nugent-Brydges-Chandos-Grenville (4 Feb 1822-17 Jan 1839)
  2nd: Richard Plantagenet Temple-Nugent-Brydges-Chandos-Grenville (17 Jan 1839-29 Jul 1861)
  3rd: Richard Plantagenet Campbell Temple-Nugent-Brydges-Chandos-Grenville (29 Jul 1861-26 Mar 1889)

Earl of the Isle of Thanet, co. Kent    [England, 1628]
  1st: Nicholas Tufton (5 Aug 1628-1 Jul 1631)
  2nd: John Tufton (1 Jul 1631-6 May 1664)
  3rd: Nicholas Tufton (6 May 1664-24 Nov 1679)
  4th: John Tufton (24 Nov 1679-27 Apr 1680)
  5th: Richard Tufton (27 Apr 1680-8 Mar 1684)
  6th: Thomas Tufton (27 Apr 1680-30 Jul 1729)
  7th: Sackville Tufton (30 Jul 1729-4 Dec 1753)
  8th: Sackville Tufton (4 Dec 1753-27 Mar 1786)
  9th: Charles Tufton (24 Jan 1825-20 Apr 1832)
  9th: Sackville Tufton (27 Mar 1786-24 Jan 1825)
11th: Henry Tufton (20 Apr 1832-12 Jun 1849)

Earl of Thomond    [Ireland, 1543]
  1st: Murrough O'Brien (1 Jul 1543-fr 1551-1551)

Earl of Thomond    [Ireland, 1552]
  1st: Donough O'Brien (7 Jan 1552-1 Apr 1553)
  2nd: Conor O'Brien (1 Apr 1553-Jan 1591)
  3rd: Donough O'Brien (Jan 1591-5 Sep 1624)
  4th: Henry O'Brien (5 Sep 1624-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)

Earl of Thomond    [Ireland, 1756]
  1st: Percy Wyndham-O'Brien (11 Dec 1756-21 Jul 1774)

Earl of Tinmouth, Northumberland    [England, 1687]
  1st: James FitzJames (19 Mar 1687-12 Jun 1734)

Earl of Tipperary, in Ireland    [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)

Earl of Torrington, Devon    [England, 1660]
  1st: George Monck (7 Jul 1660-3 Jan 1670)
  2nd: Christopher Monck (3 Jan 1670-6 Oct 1688)

Earl of Tullibardine    [Scotland, 1606]
  1st: John Murray (10 Jul 1606-bt 1613-1613)
  2nd: William Murray (c Aug 1613-c Jul 1627)

Earl of Tullibardine    [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- )

Earl of Tullibardine    [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- )

Earl of Tweeddale    [Scotland, 1646]
  1st: John Hay (1 Dec 1646-25 May 1653)
  2nd: John Hay (25 May 1653-11 Aug 1697)
  3rd: John Hay (11 Aug 1697-20 Apr 1713)
  4th: Charles Hay (20 Apr 1713-17 Dec 1715)
  5th: John Hay (17 Dec 1715-9 Dec 1762)
  6th: George Hay (9 Dec 1762-4 Oct 1770)
  7th: George Hay (4 Oct 1770-16 Nov 1787)
  8th: George Hay (16 Nov 1787-9 Aug 1804)
  9th: George Hay (9 Aug 1804-10 Oct 1876)
10th: Arthur Hay (10 Oct 1876-29 Dec 1878)
11th: William Montagu Hay (29 Dec 1878-25 Nov 1911)
12th: William George Montagu Hay (25 Nov 1911-30 Mar 1967)
13th: David George Montagu Hay (30 Mar 1967-23 Jan 1979)
14th: Edward Douglas John Hay (23 Jan 1979-1 Feb 2005)
15th: Charles David Montagu Hay (1 Feb 2005- )

Earl Tylney of Castlemaine, co. Kerry    [Ireland, 1731]
  1st: Richard Tynley (11 Jun 1731-Mar 1750)
  2nd: John Child (Mar 1750-17 Sep 1784)

Earl of Tyrconnell    [Ireland, 1561]
  1st: Callough O'Donnell (22 May 1561-26 Nov 1566)

Earl of Tyrconnell, in the province of Ulster    [Ireland, 1761]
  1st: George Carpenter (1 May 1761-9 Mar 1762)

Earl of Tyrone    [Ireland, 1672]
  1st: Richard Power (9 Oct 1672-14 Oct 1690)
  2nd: John Power (14 Oct 1690-14 Oct 1693)
  3rd: James Power (14 Oct 1693-19 Aug 1704)

Earl of Tyrone    [Ireland, 1746]
  1st: Marcus Beresford (18 Jul 1746-4 Apr 1763)

Earl of Ulster    [Ireland, 1659]
  1st: James II Stuart (10 May 1659-16 Sep 1701)

Earl of Ulster    [Ireland, 1716]
  1st: Ernst August Hanover (5 Jul 1716-14 Aug 1728)

Earl of Ulster    [Ireland, 1760]
  1st: Edward Augustus Hanover (1 Apr 1760-17 Sep 1767)

Earl of Ulster    [Ireland, 1784]
  1st: Frederick Augustus Hanover (29 Nov 1784-5 Jan 1827)

Earl of Ulster    [United Kingdom, 1866]
  1st: Alfred Ernest Albert Saxe-Coburg and Gotha (24 May 1866-30 Jul 1900)

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

Earl of Uxbridge, co. Middlesex    [Great Britain, 1714]
  1st: Henry Paget (19 Oct 1714-30 Aug 1743)
  2nd: Henry Paget (30 Aug 1743-16 Nov 1769)

Earl of Uxbridge, co. Middlesex    [Great Britain, 1784]
  1st: Henry Paget (19 May 1784-13 Mar 1812)
  2nd: Henry William Paget (13 Mar 1812-29 Apr 1854)
  3rd: Henry Paget (29 Apr 1854-7 Feb 1869)
  4th: Henry William George Paget (6 Feb 1869-30 Jan 1880)
  5th: Henry Paget (30 Jan 1880-13 Oct 1898)
  6th: Henry Cyril Paget (13 Oct 1898-14 Mar 1905)
  7th: Charles Henry Alexander Paget (14 Mar 1905-21 Feb 1947)
  8th: George Charles Henry Victor Paget (21 Feb 1947-13 Jul 2013)
  9th: Charles Alexander Vaughan Paget (13 Jul 2013- )

Earl Vane    [United Kingdom, 1823]
  1st: Charles William Vane (28 Mar 1823-6 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)
  6th: Edward Charles Robert Vane-Tempest-Stewart (11 Feb 1949-17 Oct 1955)
  7th: Alexander Charles Robert Vane-Tempest-Stewart (17 Oct 1955-20 Jun 2012)
  8th: Frederick Aubrey Vane-Tempest-Stewart (20 Jun 2012- )

Earl Verney, in the province of Leinster    [Ireland, 1743]
  1st: Ralph Verney (22 Mar 1743-4 Oct 1752)
  2nd: Ralph Verney (4 Oct 1752-31 Mar 1791)

Earl of Walsingham, co. Norfolk    [Great Britain, 1722]
  1st: Petronilla Melusina Schulenburg (7 Apr 1722-16 Sep 1778)

Earl Wandesford, co. Kilkenny    [Ireland, 1758]
  1st: John Wandesford (15 Aug 1758-12 Jan 1784)

Earl of Warrington, co. Lancaster    [England, 1690]
  1st: Henry Booth (19 Apr 1690-2 Jan 1694)
  2nd: George Booth (2 Jan 1694-2 Aug 1758)

Earl of Warwick    [England, 1268]
13th: Richard Beauchamp ( -30 Apr 1439)

Earl of Warwick    [England, 1450]
  1st: Richard Neville (2 Mar 1450-14 Apr 1471)

Earl of Warwick    [England, 1472]
  1st: George Plantagenet (25 Mar 1472-18 Feb 1478)

Earl of Warwick    [Great Britain, 1759]
  1st: Francis Greville (13 Nov 1759-6 Jul 1773)
  2nd: George Greville (6 Jul 1773-2 May 1816)
  3rd: Henry Richard Greville (2 May 1816-10 Aug 1853)
  4th: George Guy Greville (10 Aug 1853-2 Dec 1893)
  5th: Francis Richard Charles Guy Greville (2 Dec 1893-15 Jan 1924)
  6th: Leopold Guy Francis Maynard Greville (15 Jan 1924-31 Jan 1928)
  7th: Charles Guy Fulke Greville (31 Jan 1928-20 Jan 1984)
  8th: David Robin Francis Guy Greville (20 Jan 1984-20 Jan 1996)
  9th: Guy David Greville (20 Jan 1996- )

Earl Wavell    [United Kingdom, 1947]
  1st: Archibald Percival Wavell (1 May 1947-24 May 1950)
  2nd: Archibald John Arthur Wavell (24 May 1950-24 Dec 1953)

Earl of Wellington    [United Kingdom, 1812]
  1st: Arthur Wellesley (28 Feb 1812-14 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- )

Earl of Wessex    [United Kingdom, 1999]
  1st: Edward Antony Richard Louis Mountbatten-Windsor (19 Jun 1999- )

Earl of Westmeath    [Ireland, 1621]
  1st: Richard Nugent (4 Sep 1621-a May 1642)
  2nd: Richard Nugent (a May 1642-b 25 Feb 1684)
  3rd: Richard Nugent (25 Feb 1684-Apr 1714)
  4th: Thomas Nugent (b Apr 1714-30 Jun 1752)
  5th: John Nugent (30 Jun 1752-3 Jul 1754)
  6th: Thomas Nugent (3 Jul 1754-7 Sep 1792)
  7th: George Frederick Nugent (7 Sep 1792-30 Dec 1814)
  8th: George Thomas John Nugent (30 Dec 1814-5 May 1871)
  9th: Anthony Francis Nugent (5 May 1871-12 May 1879)
10th: William St. George Nugent (12 May 1879-31 May 1883)
11th: Anthony Francis Nugent (31 May 1883-12 Dec 1933)
12th: Gilbert Charles Nugent (12 Dec 1933-20 Nov 1971)
13th: William Anthony Nugent (20 Nov 1971- )

Earl of Westmorland    [England, 1397]
  1st: Ralph Neville (29 Sep 1397-21 Oct 1425)
  2nd: Ralph Neville (21 Oct 1425-3 Nov 1484)
  3rd: Ralph Neville (3 Nov 1484-6 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)

Earl of Westmorland    [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- )

Earl of Wilton of Wilton Castle, co. Hereford    [Great Britain, 1801]
  1st: Thomas Egerton (26 Jun 1801-23 Sep 1814)
  2nd: Thomas Grosvenor Egerton (23 Sep 1814-7 Mar 1882)
  3rd: Arthur Edward Holland Grey Egerton ( -18 Jan 1885)

Earl of Wiltshire    [England, 1529]
  1st: Thomas Boleyn (1529-13 Mar 1539)

Earl of Winchester    [England, 1206]
  1st: Saher Quency (1206-3 Nov 1219)

Earl of Winchester    [England, 1322]
  1st: Hugh Despenser (10 May 1322-27 Oct 1326)

Earl of Winchester    [England, 1472]
  1st: Lodewijk Aa (1472-26 Nov 1492)

Earl of Windsor    [Great Britain, 1796]
  1st: John Stuart (27 Feb 1796-16 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- )

Earl of Winton    [Scotland, 1600]
  1st: Robert Seton (16 Nov 1600-22 Mar 1603)
  2nd: Robert Seton (22 Mar 1603- )
  3rd: George Seton (26 Jun 1606-fr 1650-1650)
  4th: George Seton (Dec 1650-6 Mar 1704)
  5th: George Seton (6 Mar 1704-19 Dec 1749)

Earl of Winton    [United Kingdom, 1859]
  1st: Archibald Montgomerie (17 Jun 1859-4 Oct 1861)
  2nd: Archibald William Montgomerie (4 Oct 1861-30 Aug 1892)
  3rd: George Arnulph Montgomerie (30 Aug 1892-10 Aug 1919)
  4th: Archibald Seton Montgomerie (10 Aug 1919-22 Apr 1945)
  5th: Archibald William Alexander Montgomerie (22 Apr 1945-1966)
  6th: Archibald George Montgomerie (1966- )

Earl of Worcester    [England, 1138]
  1st: Waleran Beaumont (c 1138-bt 1166-1166)

Earl of Worcester    [England, 1397]
  1st: Thomas Percy (29 Sep 1397-23 Jul 1403)

Earl of Worcester    [England, 1421]
  1st: Richard Beauchamp (Feb 1421-18 Mar 1422)

Earl of Worcester    [England, 1449]
  1st: John Tiptoft (16 Jul 1449-18 Oct 1470)
  2nd: Edward Tiptoft (18 Oct 1470-12 Aug 1485)

Earl of Worcester    [England, 1514]
  1st: Charles Somerset (1 Feb 1514-15 Apr 1526)
  2nd: Henry Somerset (15 Apr 1526-26 Nov 1549)
  3rd: William Somerset (26 Nov 1549-21 Feb 1589)
  4th: Edward Somerset (21 Feb 1589-3 Mar 1628)
  5th: Henry Somerset (3 Mar 1628-18 Dec 1646)
  6th: Edward Somerset (18 Dec 1646-3 Apr 1667)
  7th: Henry Somerset (3 Apr 1667-21 Jan 1700)
  8th: Henry Somerset (21 Jan 1700-24 May 1714)
  9th: Henry Scudamore (24 May 1714-24 Feb 1745)
10th: Charles Noel Somerset (24 Feb 1745-28 Oct 1756)
11th: Henry Somerset (28 Oct 1756-11 Oct 1803)
12th: Henry Charles Somerset (11 Oct 1803-23 Nov 1835)
13th: Henry Somerset (23 Nov 1835-17 Nov 1853)
14th: Henry Charles FitzRoy Somerset (17 Nov 1853-30 Apr 1899)
15th: Henry Adelbert Wellington FitzRoy Somerset (30 Apr 1899-24 Nov 1924)
16th: Henry Hugh Arthur FitzRoy Somerset (24 Nov 1924-5 Feb 1984)
17th: David Robert Somerset (5 Feb 1984- )

Earl Wycombe of Chepping Wycombe    [Great Britain, 1784]
  1st: William Petty (6 Dec 1784-7 May 1805)
  2nd: John Henry Petty (7 May 1805-15 Nov 1809)
  3rd: Henry Petty-FitzMaurice (15 Nov 1809-31 Jan 1863)
  4th: Henry Petty-FitzMaurice (31 Jan 1863-5 Jul 1866)
  5th: Henry Charles Keith Petty-FitzMaurice (5 Jul 1866-3 Jun 1927)
  6th: Henry William Edmund Petty-FitzMaurice (3 Jun 1927-5 Mar 1936)
  7th: Charles Hope Petty-FitzMaurice (5 Mar 1936-20 Aug 1944)
  8th: George John Charles Mercer Nairne Petty-FitzMaurice (20 Aug 1944-25 Aug 1999)
  9th: Charles Maurice Petty-FitzMaurice (25 Aug 1999- )

Earl of Yarmouth    [England, 1679]
  1st: Robert Paston (30 Jul 1679-8 Mar 1683)
  2nd: William Paston (8 Mar 1683-25 Dec 1732)

Earl of Yarmouth, co. Norfolk    [Great Britain, 1793]
  1st: Francis Seymour-Conway (5 Jul 1793-14 Jun 1794)
  2nd: Francis Seymour-Ingram (14 Jun 1794-28 Jun 1822)
  3rd: Francis Charles Seymour-Conway (17 Jun 1822-1 Mar 1842)
  4th: Richard Seymour-Conway (1 Mar 1842-25 Aug 1870)
  5th: Francis George Hugh Seymour (25 Aug 1870-25 Jan 1884)
  6th: Hugh de Grey Seymour (25 Jan 1884-23 Mar 1912)
  7th: George Francis Alexander Seymour (23 Mar 1912-16 Feb 1940)
  8th: Hugh Edward Conway Seymour (18 Jun 1939-22 Dec 1997)
  9th: Henry Jocelyn Seymour (22 Dec 1997- )

Earl of Ypres    [United Kingdom, 1922]
  1st: John Denton Pinkstone French (5 Jun 1922-22 May 1925)

Earl of Zetland    [United Kingdom, 1838]
  1st: Lawrence Dundas (2 Jul 1838-19 Feb 1839)
  2nd: Thomas Dundas (19 Feb 1839-6 May 1873)
  3rd: Lawrence Dundas (6 May 1873-11 Mar 1929)
  4th: Lawrence John Lumley Dundas (11 Mar 1929-6 Feb 1961)
  5th: Lawrence Aldred Mervyn Dundas (6 Feb 1961-5 Oct 1989)
  6th: Lawrence Mark Dundas (6 Oct 1989- )


    A total of 718 of these titles have been held by 3662 individuals.