- 't Hoen, André to (?), Alfonso II, Comte de Provence
- (?), Alfonso II, King of Asturias to (?), Ann
- (?), Ann to (?), Anore
- (?), Anrothan to (?), Bohemund VII, Prince of Antioch and Count of Tripoli
- (?), Bolek II, Duke of Opole to (?), Charles I, Roi des Francs
- (?), Charles II, Roi de France to (?), Daphne
- (?), Daphne to (?), Eata
- (?), Ebalus 'the Bastard' to (?), Elizabeth
- (?), Elizabeth to (?), Elizabeth
- (?), Elizabeth Ann to (?), Eva
- (?), Eva to (?), Gerard, Lord of Limesay
- (?), Gerberg to (?), Hannah
- (?), Hannah to (?), Hugh IV, King of Cyprus
- (?), Hugo to (?), Jane
- (?), Jane to (?), Joan
- (?), Joan to (?), Kay
- (?), Kay to (?), Ludovica
- (?), Lugaid, High King of Ireland to (?), Margaret
- (?), Margaret to (?), Mary
- (?), Mary to (?), Mary
- (?), Mary to (?), Muircheartach 'Midheach'
- (?), Muircheartach 'Muighe Line' to (?), Patricia Ann
- (?), Patricia Mary to (?), Repka
- (?), Reynold, Lord of Sidon to (?), Sarah
- (?), Sarah to (?), Susan
- (?), Susan to (?), Tête Hardie
- (?), Töchter to (?), unknown wife
- (?), unknown wife to (?), Unknown Wife
- (?), Unknown Wife to (?), William 'the Brave'
- (?), William Fenwick to A'Hern, William David Anthony
- A'Lee, Dionne Tracey to Abbott, Edith Josephine
- Abbott, Edmund Geoffrey to Abbott, Thomas Kingsmill
- Abbott, Thomas Mills to Abdy, William, 7th Bt.
- Abel Smith, Ailleen Geta Katherine to Abercorn, 9th Lord, co. Linlithgow (John James)
- Abercorn, Countess of (Anne) to Abercromby, Roberta Henrietta
- Abercromby, Samuel Douglas to Abernethy, Isobel
- Abernethy, Isobel to Abo, Muriel Molesworth d'
- Abo, Nicholas Brian d' to Abruzzi, Luigi d'
- Absalom, Meryl A. to Achon, Hugues Marie François d'
- Achyndachy, Alexander of that Ilk to Acland, Benjamin Thomas
- Acland, Bette to Acland, Margaret
- Acland, Margaret to Acton of Aldenham, Baroness (Patricia)
- Acton of Bridgnorth, Baron, of Aldenham in the County of Shropshire (Richard Gerald) to Acton, Sidney
- Acton, Sidney Anna to Adair, Theodosia
- Adair, Thomas to Adami, Giorgio Piccolomini Clementini (Conte)
- Adamiew, Augustus to Adams, Cynthia
- Adams, Cyril Douglas to Adams, George Walton Brookman
- Adams, George Washington to Adams, Kathleen Alice Georgina
- Adams, Kathleen Elizabeth to Adams, Rachel
- Adams, Rachel Elizabeth to Adams, Yvon
- Adams-Beck, James Francis to Adamson, William Shaw
- Adamthwaite, Evelyn Juliet to Adderley, Winifred
- Adderly, Edward to Addinsell, W. A.
- Addis, Bronwen Margaret to Adeane, Henry Robert Augustus
- Adeane, Henry Robert Thomas to Adrian, William Obadiah
- Adriasola, Gonzalo Perez to Aganoor, Virginia Catherina
- Agar, Alexandra Henrietta Alice to Agerbak, Rhoda Jane
- Ages, Aubert des to Agnew, Christina Margaret
- Agnew, Christine to Agnew, Janet
- Agnew, Janet May Dilkes to Agnew, Quentin Charles Graham Kinnaird
- Agnew, Quentin Charles Somerville to Aguilera, Miguel I.
- Aguilla, Adela to Aiken, William
- Aikenhead, Alexander to Ainslie, Whitelaw
- Ainsworth, 1st Baronet, of Ardanaiseig, co. Argyll (John Stirling) to Airlie, Earl of (Walter)
- Airth, 1st Earl of (William) to Aitken, Inés
- Aitken, Iryna Motria to Akers, William John
- Akers-Douglas, Adeline Frances to Aland, Sarah
- Alandt, Lynn to Albino, William Richard
- Albirt-Silber, Lucy to Alcock, Isobel May
- Alcock, James Augustus to Alderdice, Stephen David
- Alderford, John to Aldridge, Patrick Leybourne Thomas
- Aldridge, Pauline M. to Alers-Hankey, William Rochfort
- Ales da Silva, Silvio Jorge to Alexander, Cethlyn Sarah Mohred
- Alexander, Charles to Alexander, Felix Joseph
- Alexander, Fiona to Alexander, John
- Alexander, John to Alexander, Nathaniel
- Alexander, Nathaniel to Alexander, Waldemar Joseph
- Alexander, Waller to Aliaga y Calatayud Fuente, Sebastina Rosa de
- Aliaga, Duque de (Alfonso) to Allan, David
- Allan, David Darce to Allardice, Mary
- Allardice, Mary to Allen, Arthur
- Allen, Arthur to Allen, Elizabeth
- Allen, Elizabeth to Allen, Ivy Apollonia
- Allen, J. to Allen, Lisa Marie
- Allen, Lois Beverley to Allen, Richard
- Allen, Richard to Allen, William Joseph
- Allen, William Kirkman to Alleyne, John Olpherts Campbell, 5th Bt.
- Alleyne, Judith to Allingham, William
- Allington, Audrie to Alloway, William
- Allpass, Caroline to Almescombe, Phillippa
- Almgren, Gudrun Elisabeth to Alston, Elizabeth Stanwix
- Alston, Emily Henrietta Dorothy Cecil to Altenburg, Maria Josepha Prinzessin von
- Altenburg, Maria Katharina Elisabeth Barbara Louise Josefine Carola Felicitas von to Altieri, Theodolinda
- Alting Siberg, Martha Maria Jacoba Adriana to Alviggi, Venturino
- Alvin, Anita to Amcotts, Wharton, 1st Bt.
- Amcotts-Ingilby, William to Amherst, Thomas
- Amherst, unknown daughter to Amos, William
- Amot, Barbara to Ancketill, Fitz Ameline Maxwell
- Ancketill, Frances Julia to Anderson, Alice
- Anderson, Alice to Anderson, Douglas Kingsley
- Anderson, Drummond to Anderson, Henry
- Anderson, Henry to Anderson, Keith George
- Anderson, Keith Maurice to Anderson, Priscilla Jean
- Anderson, R. P. R. to Anderson-Pelham, Madalina
- Anderson-Pelham, Marcus Herbert to Andrew, Jennifer Anne Louise
- Andrew, Jill to Andrews, Eugenie Rawle
- Andrews, Eugenie Ruth to Andrews, Mary
- Andrews, Mary to Andrews-Levinge, Patricia Ierne
- Andreyev, Ardalion to Angerstein, William John Nettleship
- Anggard, Adele Bevyl Alers to Angus, John
- Angus, John to Anhalt-Bernburg-Hoym, Viktoria Sofie von
- Anhalt-Bernburg-Schaumburg-Hoym, 1st Fürst von (Lebrecht) to Anhalt-Zerbst, Elisabeth Prinzessin von
- Anhalt-Zerbst, Elisabeth von to Anjou, Yolande d'
- Ankarcrona, Alice Elisabeth to Annand, Wallace Moir
- Annandale and Hartfell, 10th Earl of (Percy Wentworth) to Annesley, Elizabeth
- Annesley, Elizabeth to Annesley, Richard
- Annesley, Richard to Ansola, Maria Cecilia de
- Anson, 'Lady Loo' to Anson, Jennifer Marion
- Anson, Jessie to Anstice, Sydney
- Anstie, Anna Coralie to Anstruther, Robert de of Anstruther
- Anstruther, Robert Durham to Antioch, Raymond of
- Antisell, Eliza to Antrobus, Walter Guy
- Antunes, Annibal-Jorge to Appleton, William, 5th Bt.
- Appletree, Margaret to Aquitaine, William 'the Troubadour'
- ar, Gertrude Uhthoff to Arbuthnot, Audrey Eileen
- Arbuthnot, Augusta Mary Anne to Arbuthnot, Mabel Constance Elizabeth
- Arbuthnot, Mabel Eleanor to Arbuthnott, Dorothy Ferguson
- Arbuthnott, Duncan de to Arbuthnott, William, 12th Viscount Arbuthnott
- Arcedeckne, Andrew to Archdale, Leslie
- Archdale, Lettice to Archdall, Louisa Sutton
- Archdall, Margaret to Archer, Florence Louisa
- Archer, Frances to Archer, William
- Archer, William to Arco-Zinneberg, Hubert Graf von und zu
- Arco-Zinneberg, Irene Gräfin von und zu to Arden, Evelynn Anne
- Arden, Fanny Emma to Arderne, William
- Ardeshir, Frainy Naval to Argenti, Zennou
- Argentine, Dionysis d' to Arkle, Morna Annabel
- Arkley, Derek W. to Arlabosse, Marie-Jose
- Arlandis, Josefa Maria de to Armitage, Edward
- Armitage, Edward Henry to Armstrong, Anne
- Armstrong, Anne to Armstrong, Ginnie
- Armstrong, Gladys to Armstrong, Nesbitt William, 4th Bt.
- Armstrong, Nevill Alexander Drummond to Armyne, William, 2nd Bt.
- Armytage, 10th Baronet, of Kirklees [in Hartshead], co. York (Hugh Anthony) to Arnim, Mary Annette von
- Arnim-Kitzscher, Christa Irene von to Arnold-Forster, William Edward (Lt.-Cdr.)
- Arnold-Wallinger, Evelyn Noel to Arnst, Margaret Adelaide
- Arnstein, Agnes von to Arschot-Schoenhoven, Roberte d'
- Arscott, Christian to Arthur, Matthew Frederick Michael
- Arthur, Matthew of Carlung, 1st Baron Glenarthur to Arundel, Elizabeth
- Arundel, Elizabeth to Arundell, John
- Arundell, John to Asbeck, Willem Dirk Henrik Baron van
- Asbjornsdottir, Margaret to Ashburner, Zachary Robin
- Ashburnham, 10th Baronet, of Bromham [in Guestling], Sussex (Reginald) to Ashburnham, William, 6th Bt.
- Ashburnham-Clement, Anchitel to Ashe, Zoe Cecilia
- Ashe-A'Court, Lætitia to Ashley-Cooper, Caroline Sibell
- Ashley-Cooper, Catharine to Ashton, Mary
- Ashton, Mary to Ashworth, Percival Gerald
- Ashworth, Philip Ashworth to Aspelin, Louise
- Aspelund, Marcus to Asquith, Raymond Benedict Bartholomew, 3rd Earl of Oxford and Asquith
- Asquith, Rosalind Lucy to Assheton, Sarah
- Assheton, Sylvia Benita Frances to Astley, Elizabeth
- Astley, Elizabeth Evelyn to Astley-Jones, Viola Diana Leslie
- Astley-Rushton, Edward Astley to Astor of Hever, Baroness (Violet Mary)
- Astor, 'The Landord of New York' to Asturias, Vermudo I of
- Asturien, Joseph Ferdinand Prinz von to Athill, William Robert Charles
- Athinscuby, unknown to Atkin, William Robert
- Atkindon, unknown to Atkinson, Anne Elizabeth
- Atkinson, Anne Elizabeth to Atkinson, James
- Atkinson, James to Atkinson, Victoria Robina Chenevix
- Atkinson, Violetta Constance to Attlee, Joseph
- Attlee, Judith Claire to Aubrey, Harry
- Aubrey, Henry Harcourt Wynne to Auchinleck, John of that Ilk
- Auchinleck, Katherine to Audley, 7th Baron, of Heleigh (James)
- Audley, 8th Baron, of Heleigh (John) to Auethare, Eleanor Mary d'
- Aufay, Beatrix d' to Austen, Elizabeth
- Austen, Elizabeth to Austin, John Patrick Standidge
- Austin, John Standish Beverley to Avanzino, Laurence K.
- Avanzo, Elaine to Aviz, Sebastian, Rei de Portugal
- Avogadro, Annibale dei conti di Valdengo e Collobiano to Aycock, Sherry Eileen
- Aydic, Armand d', Comte de Rion to Aylesford, Countess of (Pamela Elizabeth)
- Aylestone, Baron, of Aylestone in the City of Leicester (Herbert William) to Aylmer, Elizabeth
- Aylmer, Elizabeth to Aylmer, Mary Dorothy
- Aylmer, Mary Eliza to Aylwin, William Harry
- Aymer, Alexander Lindsay to Aytone, Mary
- Aytoun, Agnes to Babington, Benjamin
- Babington, Benjamin Faye to Babington, John
- Babington, John (Colonel) to Babington, William
- Babington, William to Backhouse, Elizabeth Este
- Backhouse, Ellis Brackman to Bacon, Edmund C.
- Bacon, Edmund Castell, 13th and 14th Bt. to Bacon, Thomas
- Bacon, Thomas to Baden, Kunigunde von
- Baden, Kunigunde von to Badenoch, Alexander Brunton
- Badenoch, Lochaber, Strathavon, Balmore, Auchidon, Garthie and Kincardine, 1st Lord (George) to Bagenal, Mary Verena
- Bagenal, Michael to Bagge, William, 1st Bt.
- Bagger, Eugene to Bagnell, Selma Mary
- Bagnell, Sophia Mary to Bagot, Henry Richard Reginald
- Bagot, Hervey to Bagration-Gruzinsky, Nugzar (Prince)
- Bagration-Moukhranskaya, Maria de la Paz to Bagwell-Purefoy, Rosemary Joan Frances
- Bagwell-Purefoy, Susan Mary to Bailey, Francesca Diana
- Bailey, Frank to Bailey, Penelope Jane
- Bailey, Percival Henry Havelock to Baillie, Charlotte
- Baillie, Charlotte Augusta to Baillie, Mariota
- Baillie, Mariota to Baillie-Hamilton, Robert
- Baillie-Hamilton, Rory Alexander Buchanan to Baillo y Perez Cabello, Cecilia
- Baillon, Adam, Seigneur de Valence to Bainbridge, Harold Edward
- Bainbridge, Hazel to Baird, Andrea
- Baird, Andrew to Baird, Margaret Mary
- Baird, Margaret Stuart to Baker, Adrian John Francis
- Baker, Agnes Charlotte Mary to Baker, Eileen Ann de Visme
- Baker, Eileen Elizabeth to Baker, Henry
- Baker, Henry to Baker, Margaret
- Baker, Margaret to Baker, Sophia Alice
- Baker, Sophia Victoria to Baksh, Faiz, Begum of Oude
- Bakwell, William to Baldwin, Bridget
- Baldwin, Bruce Philip to Baldwyn, William
- Baldy, unknown to Balfour, Anna
- Balfour, Anna Gertrude to Balfour, Gerald Arthur James, 4th Earl of Balfour
- Balfour, Gerald William, 2nd Earl of Balfour to Balfour, Margaret Ida
- Balfour, Margaret Isabella to Balfour-Melville, Sheila Dundas
- Balfour-Ogilvy, David Whetham to Ball, Hector James
- Ball, Henry to Ball, Yolande Nina Sylvia Noble
- Ball-Acton, Charles to Balli, Mary
- Ballin, Annabel to Balsac, Roffec de
- Balsam, Beatrix to Bamburgh, William, 1st Bt.
- Bamfeild, Dorothy to Banbury, George
- Banbury, George Chay to Banerji, Sujit
- Banes-Walker, H. to Bankes, Margaret Christine
- Bankes, Margaret Wynne to Bannatyne, Mary
- Bannatyne, Mary Stuart to Bannerman, William Edward
- Bannerman, William of Nether Asleid to Baranoski, Stanley Steven
- Baranova, Olga Petrovna to Barber, William Samuel Timothy
- Barber-Starkey, Ann Josephine to Barclay, Anne
- Barclay, Anne to Barclay, Hamilton Campbell
- Barclay, Hamish Beauchamp to Barclay, Penelope
- Barclay, Peter to Barcroft, Birgitta Maria Wilhelmina
- Barcroft, Bridget Mary to Bardolf, Joan
- Bardolf, John to Bariatinsky, Vladimir Vladimirovitch
- Barinaga y Suarez de Figueroa, Maria de la Concepcion to Baring, Gabriella Louise
- Baring, George to Baring, Sarah
- Baring, Sarah Cornelia to Barker, Anne
- Barker, Anne to Barker, Kate Abigail
- Barker, Katharine to Barker-Hahlo, Teresa Clare Cunningham
- Barker-Mill, 1st Baronet (John) to Barlow, Camilla Frances
- Barlow, Camilla Ruth to Barlow, Maria Jane
- Barlow, Maria Theresa to Barnard of Barnard's Castle, Baroness (Sylvia Mary)
- Barnard's Castle, Baron of, co. Durham (John) to Barnardiston, John, 6th Bt.
- Barnardiston, Katherine Weston to Barnes, Enos
- Barnes, Eric Cecil to Barnes, unknown daughter
- Barnes, Ursula to Barnett, Ursula
- Barnett, Vera Kate to Barnewall, Henry
- Barnewall, Henry Benedict, 4th Viscount Barnewall of Kingsland to Barnewall, Theresa
- Barnewall, Thomas to Baron, William Joseph
- Barone, Christina Marie to Barran, Louise Buchanan
- Barran, Lynn Jeanette to Barrett, Dennis
- Barrett, Diana Linda to Barrett, William Carter
- Barrett, William Carter to Barrett-Lennard, Judith
- Barrett-Lennard, Judith Anne to Barrington of Ardglass, Viscountess (Susan)
- Barrington of Newcastle, 10th Baron, co. Limerick (William Reginald Shute) to Barrington, Raie
- Barrington, Reto to Barron, Jane
- Barron, Jane Elizabeth to Barrow, Benjamin George Lendon
- Barrow, Blossom Perronelle to Barrow, Thomas
- Barrow, Thomas to Barry, Catherine
- Barry, Catherine to Barry, Ellen
- Barry, Ellen to Barry, Jane
- Barry, Jane to Barry, Mary
- Barry, Mary to Barry, Thomas
- Barry, Thomas to Barstow, Thomas
- Barstz, Emil Ernst to Bartlett, Betty Frances
- Bartlett, Brenda June to Bartley, Wilfred
- Bartning, Carl Georg to Barton, Eliza Caroline
- Barton, Elizabeth to Barton, John Yarker
- Barton, Jonathan Sean Purdon to Barton, Shelagh Hope
- Barton, Shirley Adeline Scott to Barttelot, Henry Arthur Nigel
- Barttelot, Hooker to Barwick, Serena Catherine
- Barwick, Susan to Bass, P. A.
- Bass, Pamela Dorothea to Basset, Simon
- Basset, Thomas to Basterfield, Philip
- Bastian, Ann Pauline to Bateman, Arabella
- Bateman, Arthur A. to Bates, Claudia Jane
- Bates, Constance Ann to Bateson, Richard D.
- Bateson, Robert to Bathurst Norman, Victoria Mary
- Bathurst of Bathurst, 1st Earl, Sussex (Allen) to Bathurst, Mary Cornelia
- Bathurst, Mary Elizabeth to Batten, Rachel Ann
- Batten, Rachel Nancy to Batty, William Edmund
- Battye, Alexander Robert to Bauman, Werner
- Baumann de Vosges, Emile to Baxendale, Mary Anne
- Baxendale, Mary Ellen to Baxter, William Edward
- Bay, Agnes to Bayern, Jacqueline von
- Bayern, Johann Theodor Prinz von to Bayern, Siegfried August Maximilian Maria in
- Bayern, Sissi to Bayley, Daniel Benjamin
- Bayley, Edith to Bayley, Thomas
- Bayley, Thomas to Bayly, Doris
- Bayly, Dorothea to Bayly, Letitia Harriet
- Bayly, Lewis to Baynard-Smith, Tom Micah
- Baynbrig, Willyam de to Baynton, William
- Bayntun, Agnes to Bazett, Richard Campbell
- Bazett, Richard Young to Beadon, John Hammet
- Beadon, John Watson to Beaman, Marjorie Harriet
- Beament, Allison Loretta to Beamish, Elizabeth
- Beamish, Elizabeth to Beamish, Jane
- Beamish, Jane Anne Wilhelmina St. Maur to Beamish, Richard
- Beamish, Richard to Bean, Willoughby
- Bean-Gourlay, James to Beasley, Victoria
- Beasley-Robinson, Monica to Beatty, Henry James
- Beatty, Henry Longfield to Beauchamp, Ellen Frances
- Beauchamp, Ellen Mary to Beauchamp, Sarah de
- Beauchamp, Sheila Ginevra Hilda Mary to Beauclerk, Emily Frederica
- Beauclerk, Emily Joanna Frances to Beaufort, Duchess of (Elizabeth)
- Beaufort, Duchess of (Elizabeth) to Beaumont, 5th Baronet, of Stoughton Grange, co. Leicester (Lewis)
- Beaumont, 6th Baron (John) to Beaumont, Emma Camilla
- Beaumont, Emma Diana to Beaumont, Katherine
- Beaumont, Katherine to Beaumont, Timothy David
- Beaumont, Timothy Wentworth, Baron Beaumont of Whitley to Beazley, Richard
- Beazley, Robert Clover to Becher, Frances Mary Sophia
- Becher, Frances Sophia to Becher, Peter Lamb
- Becher, Philippa Bessie to Beck, Olive
- Beck, Ortwin to Beckett, Prudence Mary
- Beckett, Ralph Daniel to Beckwith, Robert Ralph W.
- Beckwith, Rodney William to Bedford, Duchess of (Elizabeth)
- Bedford, Duchess of (Elizabeth) to Bedwell, William
- Bedworth, Bertram James Davenport to Beeching, Richard, Baron Beeching
- Beeck Calkoen, Frans Jabes van to Beet, Una
- Beetham, Annie Palmer to Begbie, Prideaux Selby
- Begbie, Robert to Beke, Walter
- Bekergast, Joanna to Belford, William
- Belfrage, Barnara to Belknap, Wilma Dorothy Millen
- Belkov, Jennifer Laura Eve to Bell, Christopher John
- Bell, Christopher Michael Ian to Bell, George Frederick
- Bell, George Henry to Bell, John Charles, 1st Bt.
- Bell, John Chisholm to Bell, Naple Christopher
- Bell, Natalie to Bell, Thomas
- Bell, Thomas to Bellamy, Ruth
- Bellamy, Sarah L. to Bellew, Edward Henry, 5th Baron Bellew of Barmeath
- Bellew, Edward Joseph, 2nd Baron Bellew of Barmeath to Bellingham, Alan O'Bryen
- Bellingham, Alan Somerset to Bellingham, William, 1st Bt.
- Bellingham-Kiggell, Beatrix Pamela to Beloe, William Alexander Peter
- Beloff, Baron, of Wolvercote in the County of Oxfordshire (Max) to Bence, Robert
- Bence, Robert to Benedict, Valentin
- Benedictine Community of the Compassion of Jesus, Mary Caroline of the to Benn, Cordelia Frances Margaret Wedgwood
- Benn, Daniel to Bennet, Jean
- Bennet, Jean to Bennett, Charles Wilfrid, 2nd Bt.
- Bennett, Charles William to Bennett, Grace
- Bennett, Grace to Bennett, Margaret
- Bennett, Margaret to Bennett, Shirley Winifred
- Bennett, Shona to Bennison, Ellen
- Bennison, Elsie to Benoit, Timothy Layne
- Benon, Comte de (Frederick) to Benson, Margaret Winifred
- Benson, Marjorie Rosamund to Bentheim und Steinfurt, Otto Viktor Prinz zu
- Bentheim und Steinfurt, Prinz zu (Alexis Rainer) to Bentinck, Margaret
- Bentinck, Margaret to Benton Jones, Simon Warley Frederick, 4th Bt.
- Benton, Ada Caroline to Bere, Violette de la
- Bereda, Agnieszka to Beresford, Diana Mary
- Beresford, Diana Mary de la Poer to Beresford, John George de la Poer
- Beresford, John Gorges to Beresford, Victoria Jane de la Poer
- Beresford, Walter Vevers de la Poer to Berg, Winifred Beatrice
- Berg-Altena, Adolf I von to Bergin, William
- Berglas, Ellen-Ruth to Berkeley, Cyril Sackville Jocelyn
- Berkeley, Cécile to Berkeley, John
- Berkeley, John to Berkeley, Sally Ann Stenson
- Berkeley, Sarah to Bermingham, Francis
- Bermingham, Francis to Bernadotte, Folk Klas Vilhelm
- Bernadotte, Folke to Bernard, Dorothy
- Bernard, Dorothy to Bernard, Rose
- Bernard, Rose Antoinette to Berney, Diana Margaret
- Berney, Doris Rosemary to Berri, Mademoiselle de (unnamed daughter)
- Berridge, Annabel S. to Berry, Martha Davidson
- Berry, Martyn Adrian to Bertie, Arthur Michael Cosmo
- Bertie, Aubrey Charles to Bertie, Willoughby, Lord Norreys
- Bertier de Sauvigny, Chantal de to Beshhai Bekkeit, Samir Fawzi
- Beshoff, David Rowland to Best, Irene Francis
- Best, Isabel Florence Christina to Beswarick, Suzanne Clare
- Beswetherwick, Anne to Bethell, Mary
- Bethell, Mary to Bethune, Robert, 1st of Bandon
- Bethune, Robert, 4th of Creich to Beuthen, Mary von
- Beuthin, Taryn Kelly to Bevan, Jennifer Mary
- Bevan, Jeremy C. B. to Bevan-Thomas, Pleasance
- Bevans, Gertrude to Bewes, Wyndham Edmund
- Bewick, Claverley to Bibby, Edith Mary
- Bibby, Edmund Bernard to Bickersteth, unknown daughter
- Bickersteth-Wheeler, John to Biddulph, Annie
- Biddulph, Annie Adela Waller to Biddulph, Margaret
- Biddulph, Margaret to Bidlake, Louise Emily Jane
- Bidun, Amicia de to Bigge, Ellen Fanny
- Bigge, Emily to Bigland, Valerie Brigid Dorothy
- Bigley, Louise to Billinghurst, William
- Billingley, Case to Bineing, John
- Binet, April Mary to Bingham, Emma G.
- Bingham, Emma Septima to Bingham, Rosalind Cecilia Caroline
- Bingham, Rosamunde Jessica Elizabeth to Binny, Clementina
- Binny, Clinton George Henry to Birch, Christina Margaret
- Birch, Cicely Mary to Birch, Sally
- Birch, Samuel Peploe to Bird, Donald Arthur Faulkner
- Bird, Donald Geoffrey, 3rd Bt. to Birdwood, Christopher Bromhead, 2nd Baron Birdwood
- Birdwood, Christopher Halhed Lovett to Birkenhead, Viscountess (Margaret Eleanor)
- Birkett, 1st Baron, of Ulverston, in the County Palatine of Lancaster (William Norman) to Birley, Mabella
- Birley, Madeline Julia to Birtwistle, Susan Lennox
- Bisaccia, 1st Duca di (Charles Gabriel Marie Sosthène) to Bishop, Harry Wilkinson
- Bishop, Hazel Patricia to Bishton, W. R.
- Bisley, Catherine Gail to Bitossi, G. Victor
- Bitoun, Elie to Black, Diana Sarah
- Black, Donald to Black, Rose Emily
- Black, Rosemary Diana to Blackall, Teresa Marcella
- Blackall, Thomas to Blackburne, Ynys
- Blackburne-Maze, Cecil Ireland to Blackett, Barbara
- Blackett, Baron, of Chelsea in Greater London (Patrick Maynard Stuart) to Blackett-Ord, William Reginald
- Blackett-Swiny, Kathleen Prudence Eirene to Blackmore, unknown
- Blacknall, John to Blackwood, Elizabeth
- Blackwood, Elizabeth Dorcas to Bladon, unknown wife
- Bladwell, Elizabeth to Blair, Graeme Norman
- Blair, Grissel to Blair, Zepherine
- Blair-Cunynghame, James Ogilvy to Blake, Catherine
- Blake, Catherine to Blake, George
- Blake, George Alfred to Blake, Katherine
- Blake, Kathleen to Blake, Patrick
- Blake, Patrick to Blake, Warrenne James
- Blake, Wendy to Blakeney, Herbert Norwood
- Blakeney, Hilda Kate to Blaker, Richenda Jennifer
- Blaker, Robert Charles to Blakiston, Theodora
- Blakiston, Thomas to Bland, Ann
- Bland, Ann Maria to Bland, Mary
- Bland, Mary to Blandy, Mary Violet Frances
- Blandy, Moyra E. to Blaquiere, William, 6th Baron de Blaquiere of Ardkill
- Blaquière, Elizabeth de to Bleazby, William John
- Blechenden, Florence to Blennerhassett, Catherine
- Blennerhassett, Catherine to Blennerhassett, John
- Blennerhassett, John to Blennerhassett, Susan
- Blennerhassett, Susan to Bligh, Edward Henry Swinburne
- Bligh, Edward Luke Forsyth to Blinkhorne, William
- Blinsam, Isott to Blois, Gervase Vanneck
- Blois, Gillian Frances Audrey to Blomefield, Sarah Frances Linh
- Blomefield, Sophia Elizabeth to Blood, Eliza Jane
- Blood, Elizabeth to Blood, Neptune
- Blood, Neptune to Blood-Smyth, William Whitton
- Bloodgood, Lida Lacey to Blount, Elizabeth
- Blount, Elizabeth to Blount, Winifred Aubrey
- Blow, Adrian Simon to Blumer, Thomas John Luke
- Blumofe, Doris to Blunden, Harriet
- Blunden, Harriet to Blunt, Louisa
- Blunt, Louise Victoria to Blyth, William
- Blyth, William Dunbar to Boase, Thursa Ann
- Boasman, Graeme James to Boddam, William Tudor
- Boddam-Whetham, A. S. to Bodley, William Howe
- Bodley-Scott, Betty Hartley to Boffar, Annie Amy van
- Boffee, Charles to Bohemia, Duke of (Wenceslas II)
- Bohemia, Duke of (Wratislaw I) to Boileau, Georgina Fanny
- Boileau, Gerald Stewart Charles Cadell to Boissevain, Mathilde Marie Cornelie
- Boissevain, Menso to Boldero, Ruth
- Boldero, Sarah to Bolitho, Loveday Roselle Clementine
- Bolitho, Loveday Wilhelmina to Bolton, Anne
- Bolton, Anne to Bolton, Timothy Abercrombie
- Bolton, Timothy John to Bomford, Trevor Laurence
- Bomford, Trevor Napier to Bonas, Winifred
- Bonaventuri, Bianca to Bond, John
- Bond, John to Bonde, Ylva
- Bondonneau, Guy Henry René to Bonham, Richard Charles
- Bonham, Richard David to Bonnin, William Frew
- Bonnington, Evelyn Minnie to Bonyuge, Robert
- Bonzet, unknown du to Boord, Yvonne Swingler
- Boorer, James to Booth, Charles Enfield
- Booth, Charles Henry to Booth, Haskell Elmor
- Booth, Hazel to Booth, Margaret
- Booth, Margaret to Booth, Sarah Maria
- Booth, Serenity Marie Amor to Boothby, Dorothy
- Boothby, Dorothy Margaret Bell to Boothby, Yvonne
- Boothe, Alice to Borbone, Elena Sofia, Principessa di Borbone delle Due Sicilie
- Borbone, Elias, Duca di Parma to Borbón y de Borbón, Pedro de Alcantara, Duque de Durcal
- Borbón y de Bosch-Labras, Maria Cristina, Duquesa de Durcal to Bordes, Mabel Frances
- Bordessa, Beatriz, Contessa di Villa Calli to Boreel, William, 9th Bt.
- Boreham, Philip M. to Borlase, Walter
- Borlase, William to Borrie, Gordon Johnson, Baron Borrie
- Borrie, Hannah to Borselen, Wolfert V van
- Borselen, Wolfert VI, Heer van Veere, Comte de Grandpré to Borthwick, Jessica M.-J.
- Borthwick, Jessie to Borthwick, Winifred Letitia
- Borthwick-Brown, Grace to Bosanquet, George Jacob
- Bosanquet, George Stanley to Boscawen, Hugh, 1st Viscount Falmouth
- Boscawen, Hugh, 2nd Viscount Falmouth to Bossi-Fedrigotti, Verena
- Bossingham, Benjamin to Bostock, William
- Bostock, William Brown to Boswell, Elizabeth
- Boswell, Elizabeth to Boteler, William, 2nd Baron Boteler of Brantfield
- Boterel, Christian to Botiler, William, 6th Lord Sudeley
- Botiller, 1st Lord le (William) to Bottomley, William Cecil
- Botton, Gilbert de to Boughey, Victoria Rose
- Boughey, Walter to Boulogne, William of Boulogne de
- Boulonnois, Emelie Josephine to Boulton, Nicholas Molesworth Adair
- Boulton, Nicola Mary to Bourbon, Jacques Louis Robert Marie, Comte de Busset
- Bourbon, Jaime to Bourbon-Montpensier, Renée de
- Bourbon-Parme, Amélie de to Bourdoncle de Saint-Salvy, Stephanie de
- Bourdot, Camille to Bourgoing, Philippe Marie François de
- Bourke of Bophin, 1st Baron, co. Galway (John) to Bourke, Hubert Edward Madden
- Bourke, Irene to Bourke, Theobald, MacWilliam Bourke Oughter
- Bourke, Theodosia Eleanor to Bourne, Louisa Helena
- Bourne, Lucy Claire to Bouth, unknown
- Bouthe, John de to Bouymistrov, Wladimir
- Bouzet, Alexandre du to Bowcher, Sian Monique
- Bowchier, Margaret to Bowen, Arthur Marshall Cole
- Bowen, Barbara Elizabeth to Bowen, Letitia
- Bowen, Lettice to Bower, Elizabeth Margaret
- Bower, Elizabeth Mary Lois to Bowerman, Katherine
- Bowers, Alexandra Anna to Bowes-Lyon, Simon Alexander
- Bowes-Lyon, Simon Patrick, 19th Earl of Strathmore and Kinghorne to Bowlby, Mary
- Bowlby, Mary to Bowles, Margaret
- Bowles, Margaret to Bowman, Thomas
- Bowman, Thomas to Bowyer, Beryl Maureen
- Bowyer, Caroline Sarah to Bowyer-Smijth, Philip Weyland
- Bowyer-Smijth, Simone to Boyce, Ridley
- Boyce, Robert to Boyd, Edward Finley, Jr.
- Boyd, Edward Herries to Boyd, John
- Boyd, John to Boyd, Rose
- Boyd, Rosemary Ann to Boyer, William Arabin
- Boyes, Alison Tamsin to Boyle, Belinda Margaret Graeme
- Boyle, Bellingham to Boyle, Fenella Frances Dora
- Boyle, Fenella Maria to Boyle, John of Kelburn
- Boyle, John of Kelburn to Boyle, Richard 'the Rich'
- Boyle, Richard Bentinck, 9th Earl of Shannon to Boyne, Viscountess (Rosemary Anne)
- Boynton, 10th Baronet, of Barmston, co. York (Henry) to Brabant, Henri IV, Duc de Brabant
- Brabant, Henri, Duc de Limbourg to Brabazon, Harriot
- Brabazon, Helena to Brabetz, Victor
- Brabourne of Brabourne, 1st Baron, Kent (Edward Hugessen) to Brackett, Sarah
- Brackley, 1st Marquess of, co. Northampton (Scroop) to Braddon, Mary Georgina
- Braddyll, Alice to Bradford, Ursula Elizabeth
- Bradford, Victoria Jane Ferguson to Bradley, Unknown Son
- Bradley, Unknown Son to Bradshaw, Mabel
- Bradshaw, Mabel Frances Catherine to Brady, Frederick Arthur Noel
- Brady, George to Bragança, Maria Antonia Adelaide, Infanta de Portugal
- Bragança, Maria Antonia de to Brain, Walter Russell, 1st Baron Brain
- Braine of Wheatley, Baron, of Rayleigh in the County of Essex (Bernard Richard) to Bramery, William
- Bramhall, 1st Baronet, of Bramhall Hall, co. Meath (Thomas) to Brand, Dorothy Louisa
- Brand, Duncan Valentine to Brandenburg, Karl Wilhelm von
- Brandenburg, Konrad I Markgraf von to Brandolini d'Adda, Gioacchino, Conte di Valmareno
- Brandolini d'Adda, Giovanni, Conte di Valmareno to Brandreth, Pilkington
- Brandreth, Thomas to Braoudakis, George
- Braque, Guyonne to Brassey, Henry Leonard Campbell, 1st Baron Brassey of Apethorpe
- Brassey, Hilda Madeline to Braunschweig, Wilhelm von
- Braunschweig-Bevern, Amelia Christine von to Braunschweig-Lüneburg, Otto I Herzog von
- Braunschweig-Lüneburg, Otto II Herzog von to Braunschweig-Wolfenbüttel, Prinzessin von (Sophie Antonie)
- Braunschweig-Wolfenbüttel, Rudolf August Herzog von to Bray, Richard
- Bray, Robert Campbell to Bream, Tamerlane Douglas Fowler
- Brearcliff, Grace to Breedon, unknown
- Breeds, Ethel Mary to Brenan, H. G.
- Brenan, Harriet Lovat to Brenninkmeijer, Xavier Albert Alphons
- Brenschidt, Caroline to Brereton, Ellen
- Brereton, Ellen Mary to Brereton, Maureen Gay
- Brereton, Molly to Bretagne, Duchesse de (Jeanne)
- Bretagne, Etienne I, Comte de Treguier et de Lamballe to Brett, John Raymond Louis Dennis
- Brett, Joseph George to Brewer, Ruth Caroline
- Brewer, Sally Anne to Briant, Sarah Janet
- Briars, Carole Anne to Bridgeman, Dorothy
- Bridgeman, Edward to Bridges, Anna
- Bridges, Anne to Bridges, William Wilson Somerset
- Bridges-Adams, Jenifer Celia Emily to Brienne, Guy de
- Brienne, Henri 'the Younger' to Briggs, Helen Eliza Hamilton
- Briggs, Helen Patricia to Bright, William
- Bright, William C. J. to Brinckman, William Edward
- Brinckman, William Henry to Brisbane, Elizabeth
- Brisbane, Elizabeth to Briscoe, Diana Clare
- Briscoe, Diana Louisa to Brissac, Peter Abraham de
- Brissenden, Edwin Mayhew to Bristowe, Tina Patricia
- Britanisskis, Jozefas to Broadbent, Graham Agar
- Broadbent, H. to Broady, Julia
- Broase, Elizabeth to Brocklebank, Charles Henry
- Brocklebank, Charles William to Brockman, William Locke
- Brockmann, Julius von Raatz to Brodie, Elizabeth
- Brodie, Elizabeth Bogue to Brodie, Sybil Barbara
- Brodie, Thomas to Brodrick, Susan Margaret
- Brodrick, Sybil to Bromage, Thomas Nigel
- Bromberg, Elinor to Bromley, Constance Geraldine
- Bromley, Daphne Louise to Bronfman, Sara Igtet
- Bronkhorst en Borculo, Gijsbert VII Heer van to Brooke, Anna Maria
- Brooke, Anna Maria to Brooke, Emily Margaret
- Brooke, Emma Adelaide Christina to Brooke, John Weston, 3rd Bt.
- Brooke, John William to Brooke, Richard
- Brooke, Richard to Brooke-Hunt, John
- Brooke-Meares, George to Brookman, Sarah
- Brooks of Tremorfa, Baron, of Tremorfa in the County of Glamorgan (John Edward) to Brooks, Marigold
- Brooks, Marjorie to Brooksbank, William Edward Constable
- Brooksburn, Edmund to Brotherton, Thomas, 1st Earl of Norfolk
- Brotherton-Ratcliffe, Alan Paul to Brougham, William, 2nd Baron Brougham and Vaux
- Broughshane, 1st Baron, of Kensington, co. London (William Henry) to Broughton, Josephine Delves
- Broughton, Josephine Harriet to Broun, Claud Leonard
- Broun, Claude McBride to Broun, William, 9th Bt.
- Broun, Wynne to Brown, Annie Frances Mary
- Brown, Anthea Daphne to Brown, Diana
- Brown, Diana Sybil Richmond to Brown, George
- Brown, George to Brown, Jane Margaret
- Brown, Jane Seymour to Brown, Louisa Clifton
- Brown, Louisa Dorothy to Brown, Nicholas James
- Brown, Nicholas Meredith to Brown, Sharon
- Brown, Sheila to Brown, Zoe Meredith
- Brown-Bergman, Mikey to Browne, Annie
- Browne, Annie to Browne, Dodwell
- Browne, Dodwell to Browne, Evelyn
- Browne, Evelyn Mary to Browne, Honora
- Browne, Honora to Browne, Julia Sophia
- Browne, Julian Dominick to Browne, Mary Catherine
- Browne, Mary Catherine to Browne, Sara Lees
- Browne, Sara Margaret to Browne, William
- Browne, William to Browning, Frances
- Browning, Frances Evangeline to Brownlow, Charles James Rainey
- Brownlow, Charles, 1st Baron Lurgan to Brownrigg, John Studholme
- Brownrigg, John Studholme to Bruce, Adam
- Bruce, Adam Robert to Bruce, Carlotta de
- Bruce, Carmel to Bruce, Elizabeth
- Bruce, Elizabeth to Bruce, Henrietta Anne
- Bruce, Henriette Eleanor to Bruce, John, Bt.
- Bruce, John, Lord of Connington and Exton to Bruce, Martha
- Bruce, Martha to Bruce, Robert
- Bruce, Robert Alexander Crawford to Bruce, William
- Bruce, William to Brudel, Jörgan
- Brudenell of Deene, 1st Baron, co. Northampton (James) to Brudenell-Bruce, Violet Louisa Marjory
- Brudin, Agneta to Brunel Cohen, Simone Dolores Everitt
- Brunel, Florence Mary to Brunton, Zoraida Antoinette Mary
- Brunton-Lauder, Anne Stopford Agnes to Bryan, Fanny Charlotte
- Bryan, Felicity to Bryant, Mary
- Bryant, Mary Eamont to Brydges, unknown daughter
- Brydges, Ursula to Buccleuch, Duchess of (Harriet Katherine)
- Buccleuch, Duchess of (Jane) to Buchan, William, 4th of Auchmacoy
- Buchan-Hepburn, 1st Baronet (George) to Buchanan, Getrude Mary
- Buchanan, Gilbert to Buchanan, Susan Margaret Evangeline
- Buchanan, Suzy Zuleika Bryer to Buck, John
- Buck, John to Buckland, Sarah Dorothy
- Buckland, Sidney Lawrence to Buckley, Nathan Francis
- Buckley, Nicholas Miles Duncombe to Bucknall-Estcourt, William John
- Bucknell, Elizabeth to Budd, William John Stickland
- Budd-Haynes, Montana Teague to Buffett, Charles Clifford
- Buffett, Charles George to Buffett, Noelene
- Buffett, Norman Dennis to Bulford, Julia Ann
- Bulgari, Ilaria to Bulkeley, Winifred Selina
- Bulkeley-Johnson, Ella to Bullard, William H.
- Bullen, Alice Marie to Buller, Emily Phyllis
- Buller, Emma to Bullivant, William Pelham
- Bullman, Robert to Bullough, Victoria
- Bullrich Luro, Julieta to Bulteel, Rosemary D. M.
- Bulteel, Samuel to Bunbury, John William Napier, 12th Bt.
- Bunbury, Joseph to Bunsen, Violet Iona de
- Bunsrow, unknown to Burbury, Timothy Nicholas Percival Winter
- Burcestre, Margaret to Burdett, Anne
- Burdett, Anne to Burdett, William Jones
- Burdett, William Vigors, 2nd Bt. to Burges Watson, Wendy Elizabeth
- Burges, 1st Baronet (James Bland) to Burgess, Simon George Fendall
- Burgess, Suzannah to Burgh, Honora de
- Burgh, Hubert to Burgh, Ulic Noel de
- Burgh, Ulick Canning, Lord Dunkellin to Burgoyne, John, 5th Bt.
- Burgoyne, John, 7th Bt. to Burke, Elizabeth
- Burke, Elizabeth to Burke, Margaret
- Burke, Margaret to Burke, Zara Sheree
- Burke-Roche, Primrose Eda to Burn, John
- Burn, John to Burnaville, William
- Burnchurch, 1st Baron of (Richard) to Burnet, William
- Burnett Armstrong, Catherine Julia Cecily to Burnett, John Godfrey
- Burnett, John of Countesswells to Burney, George
- Burney, Gladys to Burns, Marion
- Burns, Marion Jacqueline to Burrard, Paul
- Burrard, Paul to Burrell, Willoughby Merrik Campbell, 5th Baron Gywdyr
- Burrell-Drummond, Clementina Elizabeth to Burroughs-Paulet, Charles Ingoldsby
- Burrow, Aileen Mary Box to Burrowes, Worthen
- Burrows, Abraham to Burt, James Stewart
- Burt, Jean Brodie to Burton, Edward H.
- Burton, Edward Pritchard to Burton, R.
- Burton, Rachel to Bury, Emily Matilda
- Bury, Emily Sarah to Buscombe, Philip John
- Busek, Carl Baron von to Bushe, Zara
- Bushehri, Ashraf ol-Molouk to Buswell, Pamela Gwendolyn
- Buszard, Marston to Butler, Agnes Elisabeth
- Butler, Agnes Gertrude to Butler, Bridget
- Butler, Bridget to Butler, Edmund
- Butler, Edmund to Butler, Ellen
- Butler, Ellen to Butler, Grace Pauline
- Butler, Grace Theodosia Farquhar to Butler, James
- Butler, James to Butler, Joyce
- Butler, Joyce Caroline to Butler, Marjorie Dora
- Butler, Marjorie E. to Butler, Paul
- Butler, Paul to Butler, Sabrina Charlotte
- Butler, Saffron Ann to Butler, Thomas, 8th Bt.
- Butler, Thomas, Lord Tullogh to Butler-Bowdon, William Erdeswick Ignatius
- Butler-Clarke, Charles Harward to Butler-Wheelhouse, Pamela Anne Bosworth
- Butler-Wilson, Jean Henrietta to Butterfield, Gwen
- Butterfield, Hannah to Button, John
- Button, John to Buxton, Digby Hugh
- Buxton, Doreen Maria Josepha Sydney to Buxton, Lionel Studd
- Buxton, Louisa to Buxton, Veronica Mary
- Buxton, Victor to Byers, Marjorie Joyce
- Byers, Mark to Byng, Frances
- Byng, Frances to Byres, unknown
- Byrn, Elizabeth Ann to Byrne, Myles Gabriel
- Byrne, Narelle Catherine to Byron, Lucy Elizabeth Jane
- Byron, Mabel Charlotte to Bülow, Cosima von
- Bünau, Günther von to Cacoyannis, Yannoulla
- Cadaval, 8th Duca di (Jaime) to Cadell, Janet Marion
- Cadell, Jean Patrice to Cadogan, Countess (Dorothy Ann)
- Cadogan, Countess (Honoria Louisa) to Caess, John
- Caestecker, Cassandra de to Cain, Florence
- Cain, Florence to Cairnes, William Plunket
- Cairney, Alfred Vickers to Caithness, 3rd Earl of (Walter)
- Caithness, 4th Earl of (Alexander) to Calder, Eve Laura
- Calder, Fiona Catherine Ritchie (Hon.) to Caldwell, Richard
- Caldwell, Richard to Callaghan, Neil
- Callaghan, Nikita to Calley, John James
- Callie, Unknown Wife to Calveley, Mary
- Calver, Ann Clementine to Calvert, Martha
- Calvert, Mary to Cambell, Thomas, 2nd Bt.
- Camberg, Bertha von to Cameron, Amanda Fiona
- Cameron, Amelia to Cameron, Ewen
- Cameron, Ewen to Cameron, Kimberley Anne
- Cameron, Kirsty Anne to Cameron, unknown of Strone
- Cameron, Vere Catherine Louisa Hobart to Campbell Swinton, Mary
- Campbell, 'Black Duncan' to Campbell, Alexander
- Campbell, Alexander to Campbell, Anne
- Campbell, Anne to Campbell, Barbara
- Campbell, Barbara to Campbell, Charlotte Virginia
- Campbell, Charlotte Wilson to Campbell, Daniel
- Campbell, Daniel of Duchernan to Campbell, Duncan Robin
- Campbell, Duncan, 1st Lord Campbell to Campbell, Ellen
- Campbell, Ellen to Campbell, George
- Campbell, George Alexander to Campbell, Henry Alastair of Altries
- Campbell, Henry Alexander to Campbell, James
- Campbell, James to Campbell, Jean
- Campbell, Jean to Campbell, John George Edward Henry Douglas Sutherland, 9th Duke of Argyll
- Campbell, John George Frederick to Campbell, Kenneth
- Campbell, Kenneth to Campbell, Margaret
- Campbell, Margaret to Campbell, Mary
- Campbell, Mary to Campbell, Mungo of Hundleshope
- Campbell, Mungo Septimus to Campbell, Rebecca Louise
- Campbell, Reginald to Campbell, Sylvia Alfreda
- Campbell, Sylvia Ann to Campbell, William
- Campbell, William to Campbell-Johnston, Thomas George Roland
- Campbell-Jones, Caroline Mary Felicity to Campello della Spina, unknown
- Campello Duggan, Andrés di to Camus, Victor Mornington
- Camville, 2nd Baron de (William) to Cane, William Arthur
- Canedo y Gonzalez-Longoria, Angeles, Marquesa de la Rodriga to Canning of Kilbrahan, 2nd Viscount, co. Kilkenny (Charles John)
- Canning, 1st Earl (Charles John) to Canova, Marie Jose
- Cansdale, Andrew Richard to Cantwell, Stephen Joseph
- Canty, Ann to Capell, Bertha Sybil
- Capell, Bladen Horace to Caplan, Leonard
- Caple, Dorothy Mary to Carandini, unknown, Maquis of Sarzano
- Carapiet, Maude ELizabeth to Carden, Beatrice
- Carden, Beatrice Georgina to Carden, Lucy Lawrence
- Carden, Lucy Theodosia to Cardew, Peter Gordon
- Cardew, Peter Gordon to Carew of Castle Boro, William Francis co. Wexford
- Carew Pole, Caroline Anne to Carew, Jane
- Carew, Jane to Carew, Timothy P. G.
- Carew, unknown to Carey, Octavius William
- Carey, Penelope to Carleton, Christopher
- Carleton, Christopher to Carlingford, Viscountess (Mary)
- Carlini, Telma to Carlyle of Torthorwald, 6th Lord (James)
- Carlyle, Elizabeth to Carlyon, Winstanley Simmons
- Carlyon-Hughes, Amy Millicent to Carmichael, Gavin of Hyndford and Park
- Carmichael, Geils to Carmichael, Winifred Mary
- Carmichael-Anstruther, Ada Marie to Carnegie of Kinnaird, 9th Lord (James)
- Carnegie, 10th Baronet, of Pittarrow, co. Kincardine (David Charles) to Carnegie, Jacobina Frances
- Carnegie, Jacqueline Dundas to Carnegie, unknown daughter
- Carnegie, unknown daughter to Carnwath, Penelope Clare
- Carnwell, Edith A. to Carpenter, Mary Ann
- Carpenter, Mary Anne to Carr, Florence Bushnell
- Carr, Frances to Carr, Sybil Margaret
- Carr, T. W. to Carrett, John
- Carreu, Joan de to Carrington, William
- Carrington, William Chambers to Carroll, William
- Carroll, William Fairbrother to Carson, Thomas
- Carson, Thomas to Carter, Edward
- Carter, Edward to Carter, Laura Hadley
- Carter, Lavina Mary to Carter, Walter Thomas
- Carter, Wendy to Cartwright, Euan Curle
- Cartwright, Evelyn Mary Elizabeth to Carvalho, Scipiao de
- Carvell, Beverley to Cary, Elizabeth
- Cary, Elizabeth to Cary, William
- Cary, William to Case, Marguerite Magdalen Ashton
- Case, Maria to Casey, Donn
- Casey, Edmund Henry to Cassel, Wilhelmina
- Cassell, David to Casson, Stanley
- Cassone, Susanne Silvia to Castell-Rüdenhausen, Wulf-Diether Wolfgang Christian Ernst Otto Paul Karl
- Castella, Antonio de to Castilla, Enrique de
- Castilla, Enrique I de to Castle, Winsome
- Castle-Durrow, 10th Baron, co. Kilkenny (Llowarch Robert) to Castro Freire, Philippa Mary de
- Castro Grundland, Santiago to Cathcart, Charles
- Cathcart, Charles Alan to Catherwood, Robert Frederick Ernest
- Catherwood, Robert Ross to Cator, William Thornhill
- Cats, Antje Hoitinga to Caulfeild, Charlotte Morley
- Caulfeild, Cicely to Caulfeild, Ruth
- Caulfeild, Ryan James to Cautley, Walter George
- Cauty, Anne Elizabeth to Cave, Elizabeth
- Cave, Elizabeth to Cave, Winifred
- Cave, Wyamarus de to Cave-Browne-Cave, unknown wife
- Cave-Browne-Cave, unknown wife to Cavendish, Elizabeth
- Cavendish, Elizabeth to Cavendish, Moyra de Vere
- Cavendish, Muriel Cecil Harriott to Cavendish-Scott-Bentinck, William John Cavendish, 5th Duke of Portland
- Cavendish-Taylor, George to Cawston, Rosie Caroline Llewellyn
- Cawte, Elizabeth Houghton to Cayley, James
- Cayley, Jane to Cayzer, Mary
- Cayzer, Mary Agnes to Cearns, Marion
- Ceará, Duqueza de (Maria Isabel de Alcántara) to Cecil, Joan
- Cecil, Joanna Mary to Cejuela y Fernández, Mercedes
- Celebre, Gino to Cesi, Isabella (Donna)
- Cessford, Alan Charles to Chadwick, Æira Helen
- Chadwyck-Healey, 1st Baronet, of Wyphurst, Cranleigh, Surrey (Charles Edward Heley) to Chalkley, Louise
- Challen, Edith Wilmhurst to Chaloner, Emma
- Chaloner, Esther Isabella Madeleine to Chamberlain, Isabel Dorothy
- Chamberlain, Isabel Ellen to Chamberlayne, Zoë Elizabeth
- Chamberlayne-Macdonald, Alexander Nigel Bosville to Chambers, Mary Peterson
- Chambers, Mary-Anne to Chambré, William Henry Calcott
- Chambré, William Hunt Charles to Champernowne, Wilhelmina Barbara Maria
- Champignelles, Seigneur de (Philip) to Champion, William Nihill
- Champkin, Clare to Chancellor, James
- Chancellor, James to Chandos-Pole, Winifred Olga
- Chandos-Pole-Gell, Henrietta Auriol to Chaplin, Emma Matilda
- Chaplin, Eric, 2nd Viscount Chaplin to Chapman, Dorothy Beatrix
- Chapman, Dorothy Christian to Chapman, Lisa Joanne
- Chapman, Lloyd Steven to Chapman, Zerelda Lillias
- Chapman-Allen, Marion Penelope to Chappuis, Aymar
- Chappuis, Aymar to Chappuis, Toussainte
- Chappuis, Toussaints to Charlesworth, Winifred Maude
- Charleton, Alice to Charlton, Ellen Violet
- Charlton, Emma to Charrey, Pierre-Albert
- Charrier, Jacques to Charteris, Robert of Gaitslakis
- Charteris, Robert, 8th of Amisfield to Chartres, William James
- Chase, Alfred Henry to Chatel-Aillon, Isambert, Seigneur de Chatel-Aillon
- Chatelain, Eliane Lucie to Chatterton, William Green
- Chattey, Moiyna Kemp to Chavasse, Desmond Claude
- Chavasse, Diana to Chaworth-Musters, Venetia Jane
- Chaya, Francisco to Chaytor, William, 1st and last Bt.
- Chaytor, William, 1st Bt. to Cheesley, Peter Conor
- Cheesman, Elsie Flora to Chenevix Trench, Melesina Ethel Maude
- Chenevix Trench, Melesina Gladys to Cherkasskii, Praskovya Mihailovna
- Cherkassky, Alexey Mikhailovich (Prince) to Chesshyre, William John
- Chessmer, Jennifer Anne to Chester-Master, William Alfred
- Chesterfield, 10th Earl of, co. Derby (Edwyn Francis) to Chetwode, Philip Touchet, 2nd Bt.
- Chetwode, Philip Walhouse, 1st Baron Chetwode to Chetwynd, Judith Mary
- Chetwynd, Julia Alice to Chetwynd-Stapylton, Mary Blanche
- Chetwynd-Stapylton, Mary Elizabeth to Chevallier, Frances Mary Elizabeth
- Chevallier, Francis Edward de Carteret to Chevers, William
- Cheverston, John de to Cheyne, William, 2nd Viscount Newhaven
- Cheyney, Alice to Chichester, Augusta
- Chichester, Augusta Annabella to Chichester, Joanna
- Chichester, John to Chichester, William George Cubitt
- Chichester-Clark, Adam Tamniarn to Child, Louisa Charlotte
- Child, Malcolm Davies to Childers, Winifred
- Childewick, Geoffrey de to Chinnery-Haldane, Rebecca Clara Anna Helen
- Chinnock, Ada Beatrice to Chisholm, Muriel
- Chisholm, Muriel to Chitty, Matthew
- Chitty, Michael to Cholmley, Henry Hopkins
- Cholmley, Hugh to Cholmondeley, Mary
- Cholmondeley, Mary to Christen, Wunabald
- Christensen, Alexander to Christian, Carrollyn Faye
- Christian, Catherine to Christian, Ellen Maria
- Christian, Ellinor to Christian, Hazel Mossele
- Christian, Hazel Nonie to Christian, Joseph Henry
- Christian, Joseph Henry to Christian, Mary Owen
- Christian, Mary Roe to Christian, Stella Perini
- Christian, Stephen to Christie, Edward Hugh Landale
- Christie, Edward Nightingale to Christison, Vida
- Christisson, Isabel to Chubb, William Maurice
- Chudd, Beatrice to Churchill of Sandridge, 9th Baron, co. Hertford (Charles Richard John)
- Churchill of Whichwood, 1st Baron, co. Oxford (Francis Almeric) to Churchward, Matthew
- Churchward, Matthew to Châtillon, Marie de
- Châtillon, Marie de to Clabburn, Philip
- Clabby, Alice Nash to Clann Cholmáin, Máel Sechnaill II
- Clanranald, 1st Lady (Penelope Louisa) to Clare, Countess of (Margaret)
- Clare, Diana to Clarges, William
- Clargo, Barnaby to Clark, Brittany Elizabeth
- Clark, Bronwyn to Clark, Frederick Michael
- Clark, Fredrick Edward to Clark, John Francis
- Clark, John Hatch to Clark, Murray Tatton
- Clark, Nancy Allison to Clark, Virginia Jane
- Clark, Vivian Margaret Nellie to Clarke, Anne
- Clarke, Anne to Clarke, Edward
- Clarke, Edward to Clarke, George Hamnet
- Clarke, George Henry Vernon to Clarke, John Gay
- Clarke, John Hollywell to Clarke, Megan
- Clarke, Mercy to Clarke, Sarah Slater
- Clarke, Sarah Turner to Clarke, Æthel Rosa
- Clarke-Begg, Alec to Clavane, Rosa
- Clavel, Caroline to Clay, George
- Clay, George to Clayfield, William Edward
- Clayforth, Queenie Rosalyn to Clayton, Isabel Evelyn
- Clayton, Isabel Frances to Cleary, William Robert Castle
- Cleasby, Kate Marion to Clegg, Joseph
- Clegg, Joseph to Clement, Yves
- Clement-Jones, Baron, of Clapham in the London Borough of Lambeth (Timothy Francis) to Clements, Robert Bermingham, 4th Earl of Leitrim
- Clements, Robert Bermingham, Viscount Clements to Clerk, Christian
- Clerk, Christina to Clerk, Susan Rosemary Dacre
- Clerk, Susannah to Clerke, William, 9th Bt.
- Clerkington, Lord (William) to Cleveland, Susan
- Cleveland, Susan Sophia to Clifford, 3rd Baron (Rodger Frederick Walter)
- Clifford, 3rd Baronet (Robert Cavendish Spencer) to Clifford, Henrietta
- Clifford, Henrietta Hilda Elizabeth to Clifford, Thomas
- Clifford, Thomas to Clifton, Esme
- Clifton, Evelyn Isobel Ida Charlotte to Clifton-Brown, Sarah Simonetta
- Clifton-Hastings-Campbell, Alicia Moira Stuarta to Clinton, Henry Renebald
- Clinton, Henry, 2nd Earl of Lincoln to Clive of Plassey, Edward, co. Clare
- Clive of Walcot, 1st Baron, co. Shropshire (Edward) to Clobery, Susannah
- Clocys, Marcia to Close, Jane Deborah
- Close, Jason John to Clough, William
- Clough-Taylor, Cara Prunella to Clucas, Mary Jane
- Clucas, Michael Louis to Clutton-Brock, Timothy
- Cluysenaar, André Edmond Alfred to Coates, Edward Francis
- Coates, Elizabeth to Coats, Eliza
- Coats, Elizabeth to Cobb, Wilton Winstanley
- Cobbald, Blanche Katherine to Cobbold, Isabella Frances
- Cobbold, Isobel Amy to Cobham, Ralph, 1st Lord Cobham
- Cobham, Reginald de to Cochrane, Arthur Mowbray
- Cochrane, Arthur William Stewart to Cochrane, Ingrid Margaret
- Cochrane, Isabella to Cochrane, Richard Francis Ernest
- Cochrane, Richard Gilchrist to Cockayne, William
- Cockayne-Cust, Emmeline Mary Elizabeth to Cockburn, James MacDowall
- Cockburn, James of Langton to Cockburn, Yvonne Pearl
- Cockburn-Campbell, Alexander Bruce to Cockle, Marion Blanche
- Cockman, Alan to Cocks, Robert
- Cocks, Robert Gordon to Codner, Vivien Ogilvy
- Codorniu y Aguilar, Alfonso to Coe, Toby Richard
- Coehoorn, Theodora Aurelia van to Coffin, William
- Coffy, Anne to Coghlan, William
- Coghlin, Natalie Rosamond Sophia to Cohen, Matilda Waley
- Cohen, Maurice to Cokayne, Thomas
- Cokayne, Thomas to Coke, Phyllis Susan
- Coke, Polly Maria to Colbeck, William R.
- Colbeck-Welch, Cassandra Phillida Anne to Colclough, Dudley
- Colclough, Dudley Carleton to Coldham, Simon Frederick Russell
- Coldicott, Ann to Cole, George Rudolf
- Cole, George Vicat to Cole, Thomas
- Cole, Thomas to Coleby, Sarah Jane
- Coleclough, Jeremy Nigel to Coleridge of Ottery St. Mary, Baroness (Rosemary Frances)
- Coleridge, Alethea Buchanan to Coles, Jessica A. F.
- Coles, John to Collard, Rosamund Agnes
- Collari, Clara Johanica Beata von to Collett, Ludovic Huxley Herbert
- Collett, Margaret to Collier, Elaine Mary
- Collier, Eleanor Antoinette to Collinge, William Mervyn
- Collingridge, Bartholomew to Collins, Christopher William Edward
- Collins, Clare to Collins, Matilda Frances
- Collins, Maureen to Collis, Martha
- Collis, Martha to Colman, Jake Jeremiah
- Colman, James to Colquhoun, Agnes
- Colquhoun, Agnes Henrietta to Colquhoun, Mariota
- Colquhoun, Marjory to Colt, Sophia Maria
- Colt, Stella Theodora Dutton Vaughan to Colthurst, Thomas
- Colthurst, Thomas to Colvill, Hayley Mae
- Colvill, Helen to Colville, Euphame
- Colville, Euphan to Colville, Sophia Antonia Louise
- Colville, Sophie Elizabeth to Combe, Christopher John
- Combe, Constance to Commin, Charles Edward
- Comminger, Odo of , Count of Comminger to Compton, Henry
- Compton, Henry to Comyn, John
- Comyn, John to Concraig, 1st Lord (James)
- Concressault, 1st Seigneur de, in Berry (John) to Congalton, William of that Ilk
- Congdon, Charles Hector to Coningsby, Humfrey
- Coningsby, Humfrey to Connal, William
- Connard, Mary to Conner, Dorothea
- Conner, Elizabeth to Connolly, William Arthur
- Connolly, William Hallett to Conroy, Timothy
- Conroy, Walter to Constable, John
- Constable, John to Constable-Maxwell-Scott, Winifride Mary Josephine
- Constable-Maxwell-Stuart, Agnes to Contreras, Rosie
- Contville, Emma de to Conwy, Thomas
- Conwy, Thomas to Conyngham Greene, Suzanne Inda
- Conyngham of Mount Charles, 10th Baron, co. Donegal (Henry Vivien Pierpont) to Coogan, Una
- Cooil, Denis to Cook, John
- Cook, John to Cook, Wyndham Francis
- Cook-Nelson, Veronica to Cooke, Eva Hannah
- Cooke, Felicity Chenevix to Cooke, Mary
- Cooke, Mary to Cooke-Collis, Mary Matilda
- Cooke-Collis, Mary Peacock to Cookman, William
- Cookman, William Henry Elydyr to Coombe, William Stafford
- Coomber, Albert Leonard to Cooper, Anna Mary
- Cooper, Annabel C. to Cooper, Dorothy
- Cooper, Dorothy to Cooper, Harold
- Cooper, Harold John to Cooper, Lewis Vernon Astley
- Cooper, Lilian Helen to Cooper, Rene Maree
- Cooper, Rex to Cooper, William
- Cooper, William to Coote, Brandon John Malcolm
- Coote, Brian Philip to Coote, Mary
- Coote, Mary to Cope, Elizabeth
- Cope, Elizabeth to Copeman, Winifred Ianthe
- Copeny, Gerhild to Coplestone-Boughey, William Fenton
- Copley, 1st Baronet (Joseph) to Coppledike, Margaret
- Coppleston, Beatrice Jane to Corbeil, William, Comte de Corbeil
- Corbet of Linchlade, Viscountess, co. Buckingham (Sarah) to Corbet, Richard
- Corbet, Richard to Corbett, Patrick Geoffrey
- Corbett, Patrick Michael to Corcoran, William Michael
- Corcuera y Acheson, Fernanda Mary to Corin, Elizabeth
- Corio, Silvio Erasmus to Cormack, William James
- Cormeilles, Beatrice de to Corney, Thomas
- Cornez, Fanny Evelyn le to Cornwall, Gilbert
- Cornwall, Gustavus Charles to Cornwallis, Jane
- Cornwallis, Jane to Corrie, William Byrom
- Corrigan, Amie Josephine to Corsi, Raimondo Tristano
- Corsini, Beatrice dei Principi di Sismano to Cory-Wright, Lucy
- Cory-Wright, Mabel Owen to Cosby, William
- Cosbye, Richard to Costelloe, Rachel Pearsall Conn
- Costelo, Debbie to Cotrim, Pedro Rabello
- Cots, John to Cotter, Georgina
- Cotter, Georgina D'Aguilar to Cotter, Una Bridget
- Cotter, unknown to Cottin, Robert
- Cottin-Murray, Adolphus to Cotton, Frances Georgina
- Cotton, Frances Matilda to Cotton, Philip
- Cotton, Philip Egerton to Cottrell-Dormer, Ursula
- Cottrill, Alan W. to Coulson, Mary
- Coulson, Mary to Coupier, Anne, Baronne de Meilly-Coulonge
- Coupigny, Catalina Lucinda Mary Anne de to Courage, Primrose Sophia Gwnendoline
- Courage, Priscilla to Courcy, Michael de
- Courcy, Michael de to Courten, William the younger
- Courtenay Clack, Charlie to Courtenay, Hugh Rupert, 18th Earl of Devon
- Courtenay, Hugh, 1st Earl of Devon to Courtenay, William, Seigneur de Tanlai
- Courtenay-Champignelles, Isabeau de to Courtown, Countess of (Patricia)
- Courts, Malcolm to Coventry, Anne Blanche Alice
- Coventry, Anne Donne to Coventry, Kay Sandra
- Coventry, Laura to Covert, William
- Covery, Mary to Cowell, Kenneth W.
- Cowell, Magdalen to Cowie, Rebecca Kate
- Cowie, Robert to Cowper, Henry Swainson
- Cowper, J. to Cox, Dora Emily Susan
- Cox, Doris Marjorie to Cox, Mary Pamela
- Cox, Mary-Clare Elizabeth to Coxe, Thomas
- Coxeter, Barbara to Crabb, Wendy Helen
- Crabbe, Arthur Bington to Cradock, William
- Cradock-Hartopp, 10th Baronet, of Freathby, co. Leicester (Kenneth Alston) to Craig, Hazel Betty
- Craig, Heather to Craigie, Stanley
- Craigie, Susan Caroline to Crampton, George
- Crampton, Henry Fyers to Crane, Robert Alec
- Crane, Robert, 1st and last Bt. to Cranstoun, unknown daughter
- Cranstoun, William to Craufurd, William Devereux
- Crause, Mary Rebecca to Craven, Sarah
- Craven, Sarah Annie to Crawford, Cooper
- Crawford, Cora to Crawford, Jean
- Crawford, Jennie L. to Crawford, Samuel
- Crawford, Samuel to Crawfurd-Pollock, Robert, 3rd Bt.
- Crawfurd-Pollok, Annie Elizabeth to Crawley, Richard
- Crawley, Richard to Crawshay, Isabella
- Crawshay, Isobel C. to Creagh, Philip William
- Creagh, Pierce to Creek, Sarah Louisa
- Creeke, Gillian Anne to Crespi, Marie Assumpta
- Crespin, Miles to Crever, Robert
- Crew of Stene, 1st Baron (John) to Crews, Thomas Edward
- Crewys, Jane to Crichton, Elizabeth
- Crichton, Elizabeth to Crichton, Maria Antoinetta Puglia
- Crichton, Marie to Crichton-Stuart, Joan Evelyn
- Crichton-Stuart, John to Cripps, Joyce K.
- Cripps, Judith to Criswell, Wanda Elisabeth
- Critchell-Bullock, Daphne Cecilia to Croasdaile, William
- Croatia, Duke of (Almus) to Croft, Cyril Bernard
- Croft, Daphne to Croft, Mary
- Croft, Mary to Crofton of Mote, Baroness (Maureen Jacqueline)
- Crofton, 1st Baronet, of Longford House, co. Sligo (James) to Crofton, Frederica
- Crofton, Frederica Fanny to Crofton, Neil Arthur
- Crofton, Nettie Elise to Crofts, Isabel
- Crofts, Isabel to Croker, Bridget
- Croker, Bula Perton to Croley, Frederick James St. John
- Croll, Cedric William Le Mesurier to Crompton, John Charles
- Crompton, John David to Crone, Eleanor
- Crone, Eliza to Cronin-Coltsmann, Terence Daniel
- Cronk, Mary to Crookenberg, Mary
- Crookenden, Agnes Louise to Cros, Myra Mary du
- Cros, Patricia M. du to Crosbie, Marie Ethel
- Crosbie, Marjorie Kathleen Crosbie to Crosland, Ruby Hilda
- Crosland, Sarah to Cross, Nicola
- Cross, Noreen Joyce to Crossley, Hannah Margaret
- Crossley, Harry Martin to Crosthwaite, Valerie Janet
- Crosthwaite-Eyre, Alexandra to Crowe, John
- Crowe, John J. to Croy, Camile
- Croy, Carl Alfred Friedrich Bogislaus Joseph to Crozier, Gillian
- Crozier, Gladys Mary to Croÿ, Hadrien Etienne Georges Andre Helene Aldo Prinz von
- Croÿ, Heinrich Carl Rupprecht Rudolph Zdenko Seraphim Maria Prinz von to Cruickshank, William
- Cruickshanks, Felix Henry Alexander to Cruttwell, Wilson Clement
- Cruwys, Annie Gwendoline to Cubitt, Lilian Margaret
- Cubitt, Linda Ishbel to Cuffe, Margaret
- Cuffe, Margaret Joan to Cullen, James Harris
- Cullen, Jane to Cullum, William List
- Culme, Elizabeth to Cumberbatch, Wanda
- Cumberland and Teviotdale, 1st Duke of (Ernst August I) to Cumming, Elizabeth
- Cumming, Elizabeth to Cummins, Jane
- Cummins, Jane Constable to Cunha, Roger da
- Cuni, Agnes de to Cuninghame, Anne Colquhoun
- Cuninghame, Anne Colquhoun to Cuninghame, William Glencairn
- Cuninghame, William of Achinyards to Cunliffe, Merlin
- Cunliffe, Muriel Constance to Cunningham, Anna
- Cunningham, Anna Clare to Cunningham, John
- Cunningham, John to Cunningham, Williamina Margaret Ellen
- Cunningham-Jardine, Charles Frederick of Fourmerkland to Cunynghame, Louisa Annie Thurlow
- Cunynghame, Louisa Mary to Cure, Lilian
- Curel, Francoise Marie de to Curran, Laurence
- Curran, Lavinia to Currie, Bertram Wodehouse
- Currie, Bradley Wayne to Currie, Robert George
- Currie, Robert Hamilton to Curtis, Arthur Evelyn Scott
- Curtis, Arthur Richard Edward to Curtis, June Mary
- Curtis, Katherine Anne to Curtis-Hayward, William Arthur Farquar
- Curtiss, Augusta Jessie to Curzon, Cecil
- Curzon, Cecilia to Curzon, Thomas Edward Penn, Viscount Curzon
- Curzon, Thomasine to Cusack, William Henry
- Cusack-Smith, Adela Mary to Custance, Thomas Parsons
- Custis, Daniel Parke to Cutler, Mildred
- Cutler, Neil to Cygan, Thadeusz
- Cynan, Gruffydd, King of Gwynedd to Czernin von und zu Chudenitz, Monika Maria Gräfin
- Czernin von und zu Chudenitz, Nicholas to D'Arcy, Bruno
- D'Arcy, Carlo to D'Arcy, M.
- D'Arcy, Marcella to D'Arcy-Irvine, William D'Arcy
- D'Arms, Edward Justin to Dabine, Thomas Dymock (Commander)
- Dabney, Barbara Ross to Dadiani, Thamar
- Dadlani, Kanta to Daiches, Sylvia
- Daigle, Delbert to Dale, William Clarke
- Dale-Harris, Chloë Alexandra to Dalkeith, Earl of (William Henry Walter)
- Dalkin, Amanda to Dalmahoy, William of Ravelrig
- Dalman, Amelia to Dalrymple, Hannah
- Dalrymple, Harriet to Dalrymple, Zelda Raney
- Dalrymple-Crichton, Anne to Dalrymple-Smith, Ann
- Dalrymple-White, 1st Baronet, of High Mark, Wigtownshire (Godfrey Dalrymple) to Dalton, Stuart Maurice
- Dalton, Susan Ellen to Daly, Dermot
- Daly, Dermot to Daly, Mary
- Daly, Mary to Dalzell, Douglas Stewart
- Dalzell, Edith Isabella to Dalziel, Winifred Gascoyne
- Dalziell, Alexander of Heartside to Dampierre, Robert IV, Graaf van Vlaanderen, Sire de Marle et de Cassel
- Dampierre, Roger Richard Charles Henri Eitienne de to Dane, Juliana
- Dane, Kate to Daniel, Katherine
- Daniel, Katherine Megan to Daniell, Mark Averell
- Daniell, Mary to Dansey, William Mallet
- Dansie, Charles to Darby, Frances St. Quintin
- Darby, Francis to Darcy de Knayth, 9th Lord (Conyers)
- Darcy of Chiche, 1st Baron (Thomas) to Darcy, William
- Darcy-Osborne, Francis Godolphin to Darell-Brown, Violet Polly
- Daresbury, 1st Baron, of Walton, Chester (Gilbert) to Darling, Mary Jane
- Darling, Michael to Darrall, William
- Darrell, Anne to Darvas, Theodore Frederic
- Darvell, Grace Trevor Charlotte to Dashwood, Charles Henry
- Dashwood, Charles Horace Pettus to Dashwood, Maud Helen Sarah
- Dashwood, Maud Isabella to Daubeny, Sarah Ann Savage
- Dauber, Angela to Daunt, Joyce
- Daunt, Judith Anne to Davenport, Cicely
- Davenport, Colin to Davey, Julia Angela
- Davey, Julia Elizabeth to Davidson, Bridget Jane Phyllis
- Davidson, Camilla Birgitta to Davidson, Juliana Lucas
- Davidson, Justina to Davie, Charles
- Davie, Charles Christopher to Davies, Bruce Theodore
- Davies, Bryan, Baron Davies of Oldham to Davies, Grant
- Davies, Greg Palmer to Davies, Margaret Anna
- Davies, Margaret Anna to Davies, Serita Hartley
- Davies, Shane to Davies-Evans, Viola Emily Augusta Margaret
- Davies-Griffith, Emma to Davis, Elizabeth
- Davis, Elizabeth to Davis, Lisa Vidal
- Davis, Llewelyn Guy to Davis, Wendy Annabel
- Davis, Wendy Elisabeth to Davison, William Leslie Walter
- Davison-Bland, Colonel Frederick Milbanke to Davy, Willmott
- Davy-Davies, Alice to Dawick, Viscount (Alexander Douglas Derrick)
- Dawkes, Mary to Dawnay, Helen Louise
- Dawnay, Heloise to Dawson, Catherine
- Dawson, Catherine to Dawson, Leonard
- Dawson, Letitia to Dawson, William S.
- Dawson, William Scotland to Day, Jean Elizabeth
- Day, Jeremy Christian to de Haan, Vanessa Cecilia
- De Jong, Jacqueline to Deacon, Paul Reubens Kerry
- Deacon, Penelope to Dean, Jamie Lee
- Dean, Jane to Deane, Gerald Henry
- Deane, Hamilton Matthew Tilson FitzMaurice to Deare, W.
- Dearing, Baron, of Kingston-upon-Hull in the County of the East Riding of Yorkshire (Ronald Ernest) to Debczynska, Kryztyna
- Debell, Ann to Deck, Zoë Lise
- Decka, Jane to Deerhurst, Thomas Henry
- Deering, Anne Jane Foster to Degenfeld-Schonburg, Wolfgang Dietrich Graf von
- Degenfeld-Schönburg, August Christoph Graf von to Delamer, Peter
- Delamer, Theobald to Delaval, Thomas
- Delaware, 10th Baron (John Richard) to Delmege, Violet Eustace
- Delmenhorst, Adelheid von to Demaine, Elizabeth
- Demaine, Elizabeth to Demby, Jill Ellen
- Demedy, Jean-Pierre to Dendy, Sarah Louisa
- Dene, Arthur to Dening, Mary
- Dening, Mary Anne to Deniz, Liese
- Denize, Albert Edward to Denmark, Gustav of
- Denmark, Hans of to Denning, William Poyntz
- Dennis, Adolphus Lambert to Dennis, Sarah
- Dennis, Sarah Ann to Denny, David Rex
- Denny, De Courcy Daniel to Denny, Roland John
- Denny, Rosamund Margaret to Dent, Phyllis L. K.
- Dent, Piers to Denys-Burton, Sophie Horatia Fermor
- Denzy, Elizabeth to Dering, Heneage William
- Dering, Henrietta to Des Voeux, Sophia
- Des Voeux, William to Desnier, Marie
- Desobeaux, Anne to Deuchar, Rosalind
- Deuchart, Mary Anne to Devereux, Elizabeth
- Devereux, Elizabeth to Devine, Susan
- Devitt, 1st Baronet, of Chelsea, in the County of London (Thomas Lane) to Devonsher, Thomas
- Devonshire, 10th Duke of (Edward William Spencer) to Dewar, Grace Elizabeth
- Dewar, Grant Robert to Dewar, William Wemyss Methven
- Dewar-Durie, Andrew to Dewhurst, William
- Dewing, Alice Emma to Dibley, Janet Penelope
- Dibos-Valdeavellanos, Joseph Guillaume Jean to Dick, William
- Dick, William to Dickeson, William Frederick
- Dicketts, Oliver Simon to Dickinson, Ian
- Dickinson, Ian to Dickson, Bridget Margaret
- Dickson, Bridget Rosemary Whishaw to Dickson, unknown
- Dickson, unknown to Digby, Catrin Elizabeth
- Digby, Charles to Digby, Olivia Venetia
- Digby, Owen to Dilke, John Fisher Wentworth, 5th Bt.
- Dilke, Katherine Mary Eliza to Dill, Nicholina Frances
- Dill, Peggy to Dillon, Charles
- Dillon, Charles Augustus Henry to Dillon, Jane
- Dillon, Jane to Dillon, Pierce
- Dillon, Priscilla Frances to Dillwyn-Llewelyn, William
- Dillwyn-Venables-Llewelyn, Agnes Barbara to Dincklage, Sybilla Louise von
- Dind, Alfred Camille to Dinnington, Andrew de
- Dinnis, John to Disney, William Thomas
- Disney-Roebuck, Alice Mary to Dixie, George Douglas, 12th Bt.
- Dixie, Harriet to Dixon, Henry
- Dixon, Henry to Dixon, William
- Dixon, William to Dobbin, Ethel Vera Margaret Louise
- Dobbin, Eva to Dobbin, Winifred Amy
- Dobbins, Sarah to Dobbs, Mary
- Dobbs, Mary to Dobree, Henry H.
- Dobree, Henry Hankey Franklin East to Dobson, Winifred M.
- Dobyn Yate, Eleanor to Dodd, William Robert
- Dodd-Noble, Adrian Michael to Dodson, Zoë Diana Mary Alicia
- Dodsworth, Anna Harriet to Doherty, William
- Dohna, Christoph II Burggraf von to Doig, Zoe Claire
- Doige, Georgina to Dolmage, Julius
- Dolmage, Julius de Gorrequer to Domvile, Henry Barry
- Domvile, Henry Koozen to Don, Winifred Marshall
- Don-Wauchope, Alexander John to Donaldson, Jean
- Donaldson, Jean to Donelan, unknown daughter
- Donellan, Ann to Donne, John
- Donne, John Charles to Donoghue, Peter
- Donohoe, John to Doornbos, Jan Hendrik
- Doornbos, Jan Jacob to Dorman, Coraline
- Dorman, David Eric to Dormer of Wyng, Baroness (Susan)
- Dormer, 10th Baronet, of Wyng, co. Buckingham (John Evelyn Pierrepont) to Dormer, William Robert, 18th Baron Dormer of Wyng
- Dormon, Jack Barrett to Douallier, Julie Minna von
- Doublas, Anne to Douglas of Kinmont, Midlebie and Dornock, 5th Lord (Henry)
- Douglas of Kinmouth, Midlebie, and Dornock, 10th Lord (Percy Sholto) to Douglas, Anne
- Douglas, Anne to Douglas, Charles, 3rd Baron Douglas of Douglas
- Douglas, Charles, 3rd Duke of Queensberry to Douglas, Elizabeth Ann
- Douglas, Elizabeth Cicely to Douglas, Helen
- Douglas, Helen to Douglas, James, 7th Earl of Douglas
- Douglas, James, 7th of Drumlanrig to Douglas, Katherine Helen
- Douglas, Katherine Jane to Douglas, Mary
- Douglas, Mary to Douglas, Rosemary
- Douglas, Rosemary Gwendolen to Douglas, William Grant
- Douglas, William Henry to Douglas-Hamilton, Lillie
- Douglas-Hamilton, Lucretia Charlotte Susanna to Douglas-Pennant, Mariella
- Douglas-Pennant, Mary Florence to Doust, Timothy Charles
- Douthwaite, Bernard J. to Dowdall, Jessie
- Dowdall, John to Dowker, Thomas
- Dowland, Christine Daisy Ord to Downes, Lettice
- Downes, Lewis to Downing, Yuri Genevieve Shibata
- Downman, Charles Beaumont Benoy to Doyle, Constance
- Doyle, Cyril Richard Williamson to Doyne, Mary
- Doyne, Mary Adela to Drake, Courtenay Henry
- Drake, Courtney to Drake, Robert Hamlyn Mervyn
- Drake, Roger to Draskovich von Trakostjan, Peter
- Draskovich, Ferdinande to Dreux-Brézé, unknown de
- Drever, Jason Sinclair to Drew-Smythe, Richard David Somerset
- Drewchin, Alexander Nikolaevich to Dring, Simon
- Dring, Simon to Droste, Rainer
- Drought, Acton (Major) to Drummond, Agnes
- Drummond, Agnes to Drummond, Deirdre Mary
- Drummond, Diana Mary to Drummond, Isabel
- Drummond, Isabel to Drummond, Magdalen
- Drummond, Magdalene Silvie to Drummond, Tay James Laurence Helix
- Drummond, Theodosia Beatrix Catherine Mary to Drummond-Hay, Luke
- Drummond-Hay, Mabel to Drury, Stephen Guy
- Drury, Susan to Dryden, William
- Dryer, Dagny Elizabeth to Duberly, William Gray
- DuBern, Patricia to Duckett, Harriet Elinor Alston
- Duckett, Harriet Isabella Anne to Duckworth-King, Violet Caroline
- Duckworth-Schachter, Elijah Sloane to Dudley, Edward
- Dudley, Edward to Duff Gordon, Urania
- Duff Gordon, William to Duff, Grace Maria
- Duff, Granville to Duff, Mary
- Duff, Mary to Duffield, Eric
- Duffield, Esme to Dugdale, Casper
- Dugdale, Cecilia Mary to Duggan, Hubert John
- Duggan, J. to Duke, Robert
- Duke, Robert to Dummer, Thomas Rosser
- Dummett, Andy to Dunbar, Coral Lisette
- Dunbar, Coralie Howard to Dunbar, Janet
- Dunbar, Janet to Dunbar, Robert, 1st of Burgie
- Dunbar, Robert, 3rd of Burgie to Duncan of Lundie, 5th Baron, co. Perth (George Alexander Philips)
- Duncan of Springbank, Baron, of Springbank in the County of Perth (Ian James) to Duncan, Margrit Victoria
- Duncan, Maria Cecilia to Duncombe, Emma
- Duncombe, Emma to Dundas, Anne
- Dundas, Anne to Dundas, Fanny Emma
- Dundas, Fanny Maria to Dundas, John
- Dundas, John to Dundas, Ralph Peter of Manour
- Dundas, Ralph William to Dundonald, Countess of (Winifred)
- Dundrennan, Lord (Thomas) to Dunira, 9th Baron, co. Perth (Robert David Ross)
- Dunkeld, 2nd Lord (Thomas) to Dunlop, Gillian Elizabeth
- Dunlop, Gladys Strickland to Dunlop-Wallace, William
- Dunlop-Watson, John to Dunn, Judith
- Dunn, Judith Allan to Dunne, Ronan
- Dunne, Rose Alice Elizabeth to Dunrossil, Viscountess (Mavis Dawn)
- Dunsandle and Clanconal, 1st Baron, of Dunsandle, co. Galway (James) to Duntze, John Lewis, 3rd Bt.
- Duntze, John, 1st Bt. to Dupuis, Frederick John
- Dupuis, Garnet to Duren, Walter
- Durfeld, Alexandra Baronin von to Durie, Margaret
- Durie, Margaret to Durrant, Maria Lucia
- Durrant, Mary to Dutton, Elizabeth
- Dutton, Elizabeth Esther to Duxfield, Timothy Edward
- Duyn, Adam van der to Dyer, Catherine
- Dyer, Catherine to Dyer, William, 1st Bt.
- Dyer-Bennet, Adelaide to Dymoke, Margaret
- Dymoke, Margaret to Dyson, W.
- Dyson-Laurie, Gwen Gertrude Mary to Eagar, Louisa Charlotte
- Eagar, Louisa Margaret Russell to Eardley-Wilmot, Elizabeth Emma
- Eardley-Wilmot, Elizabeth Emma Eardley to Earle, Arthur Herbert Greville
- Earle, Audrey Bridget to Earle, William Henry
- Earley, Amy-Leigh to Eastman, William Walter
- Eastment, Elizabeth Meade to Eaton, Maurice
- Eaton, Melissa C. to Ebrahim, Shireen
- Ebrahim, Shireenbai to Echingham, William
- Echlin, 10th Baronet, of Clonagh, co. Kildare (Norman David Fenton) to Eckert, Verna Eileen
- Eckford, Anna Marion Jessie to Eden, Catherine
- Eden, Catherine to Eden, Manuella
- Eden, Margaret to Edensor, William de
- Eder, Gladys Hannah to Edgcumbe, Winifred
- Edge, 1st Baronet, of Ribble Lodge, in the Borough of Lytham Saint Annes in the County Palatine of Lancaster (William) to Edgley, Mary
- Edgworth, Francis to Edmondson, Olivia
- Edmondson, Olivia Charlotte to Edmunds, Marjorie
- Edmunds, Mary to Edwardes, Lumena Sibyl Grace
- Edwardes, Mabel to Edwards, Ebenezer
- Edwards, Ebenezer Wood to Edwards, Joan Le Fowne
- Edwards, Joane Margaret to Edwards, Peter
- Edwards, Peter Guy to Edwards-Moss, William
- Edwards-Vaughan, Jessy to Egerton, Amelia
- Egerton, Angela Doreen Loftus to Egerton, Isabella Louise Greville
- Egerton, Isabelle Victoria to Egerton, Sarah Jane Mary
- Egerton, Scroop, 1st Duke of Bridgwater to Egerton-Warburton, Georgina May
- Egerton-Warburton, Graeme to Eggink, Clara Hendrika Catharina Clementine Helène
- Eggins, Elaine to Ehmke, Geoffrey Alan
- Ehrenberg, Casimirr to Eisenhofer, Rolf
- Eisenhower, Arthur Bradford to Elcock, Ward
- Eld, Charlotte Isabelle to Elford, Wendy Doreen Mary
- Elgar, Alfred to Eliot, John, 1st Earl of Saint Germans
- Eliot, Joyce Fleetwood to Eliott, Georgina
- Eliott, Georgina Jessie to Elkington, John Henry Ford (Lt.-Gen.)
- Elkington, Jonathan Elliot to Ellesmere, Countess of (Violet)
- Elletson, Alexandra Susan to Elliot, Charles Sinclair
- Elliot, Charlotte to Elliot, Marie Antoinette
- Elliot, Marion Verity Grey to Elliot-Pyle, Muffy
- Elliot-Square, Bridget Leslie to Elliott, Judith Margery
- Elliott, Julia to Ellis, Caroline D. M.
- Ellis, Carolyn Mary to Ellis, Mabel Frazer Allen
- Ellis, Madeleine Bloomfield to Ellison, Mary Elizabeth
- Ellison, Mary Hermia to Elmley, Viscount (William)
- Elmore, Barry to Elphinstone, Henry of Pittendriech
- Elphinstone, Hester Frances to Elphinstone, William Robert
- Elphinstone-Dalrymple, Agnes Laura to Elton, Alfred George Goodenough
- Elton, Alfred R. to Elton, Mary
- Elton, Mary to Elverfeldt, Wolfram Baron von
- Elverfeldt-Ulm, Antonius Baron von to Elwes, Louisa Jane
- Elwes, Luke to Elworthy, William R.
- Elwy, Jane to Emerson, William Robert
- Emerson-Baker, Jenifer Joan to Emmett, Thomas Addis
- Emmichoven, Cornelius P. A. Zeijlmans van to Enderes, Hanna
- Enders, Alice to England, Henry, Duc de Normandie
- England, Hilda Rochfort to English, William
- English, Winifred Emmeline May to Entwisle, unknown
- Entwissel, Bertine to Erbach-Erbach, Gräfin zu (Emilie)
- Erbach-Erbach, Gräfin zu (Felicitas Alexandra Magita Elena) to Ereckson, Vivienne Edith
- Erez, Oya to Erne of Crom Castle, Countess (Harriet Elizabeth)
- Erne of Crom Castle, Countess (Mary Caroline) to Erroll, Countess of (Eliza Amelia)
- Erroll, Countess of (Elizabeth Jemima) to Erskine, Archibald Walter Forbes
- Erskine, Archibald, 7th Earl of Kellie to Erskine, Esmé Stuart
- Erskine, Euan Stewart to Erskine, Jill
- Erskine, Jillian Lavinia Mary to Erskine, Mary
- Erskine, Mary to Erskine, William
- Erskine, William to Escudero y Aznar, Redro
- Escudero, Catherine Jane Anne to Esmonde, Richard
- Esmonde, Richard Anthony Grattan to Espivent de la Villeboisnet de Catuelan, Yves Joseph
- Esplen, 1st Baronet, of Hardres Court, Canterbury, Kent (John) to Estcourt, Thomas Grimston Bucknall
- Estcourt-Cutter, Heather to Esterházy von Galántha, Ursula
- Esternay, Alram d' to Ethelston, Robert Peel
- Etheridge, 'Pink Pajama Girl' to Eure, William, 5th Lord Eure
- Euringer, Franz to Eustace, John
- Eustace, John to Eustace, William Rowland George
- Eustace-Duckett, Barbara Kathleen to Evans, Beverley
- Evans, Billy Sean to Evans, Edith
- Evans, Edith Beatrice to Evans, George Maurice
- Evans, George Rowland David to Evans, John
- Evans, John to Evans, Mary
- Evans, Mary to Evans, Rowland
- Evans, Rowlands to Evans, William Sandford
- Evans, William, 1st and last Bt. to Eve, Mary
- Eve, Mary to Evelyn, Margaret
- Evelyn, Margaret to Everard, Patrick
- Everard, Patrick to Evers, Violet Eleanor
- Evers, Viveca Judith Maria to Every, Winifred Jessie
- Every-Clayton, Alan William to Evory, Robert H.
- Evreux, Agnes d' to Ewer, Thomas
- Ewerby, Isobel to Exmouth, Viscountess of (Rosemary Frances)
- Exoudun, Raoul d' to Exter, Robert van
- Exton, Edward to Eyre, Edward
- Eyre, Edward to Eyre, Margery
- Eyre, Margery to Eyres Monsell, Caroline Mary Sybil
- Eyres, Caroline Mary Sybil to Faber, Jessica Jane
- Faber, Johan Valdemar to Fagan, Christine Josephine Feltrim
- Fagan, Christine Penelope Eliza to Fagan, Mary Dorothea
- Fagan, Mary Dorothea to Fagge, William, 5th Bt.
- Faggionato, Anne to Fairbairn, Margaret
- Fairbairn, Margaret Marian to Fairclough, Vincent
- Faire, Clare Josephine to Fairfax, Henry Malcolm
- Fairfax, Henry Reginald to Fairfax-Ross, Thomas Elsey
- Fairfield, 1st Baron, of Caldy in the County Palatine of Chester (Frederick Arthur) to Fairlie-Cuninghame, William Robert Henry of Robertland, 17th Bt.
- Fairly, Alexander of Braid to Falconer, Charlotte Chalmers Reid
- Falconer, Christian to Falkiner, Henry Leslie Basil
- Falkiner, Ian to Falle, unknown
- Fallender, Susan to Fane de Salis, Cherie Lynn Margaret
- Fane de Salis, Chloe Elisabeth to Fane de Salis, Theresa Mary Blanche
- Fane de Salis, Thomas Benjamin to Fane, Frances
- Fane, Frances Sophia Pole to Fane, Richard
- Fane, Richard John George to Fanshawe, John
- Fanshawe, John to Farkas, Mária Antónia
- Farkham, Elizabeth to Farmery, George
- Farmilo, Barry Michael to Farquhar, Betty Helen
- Farquhar, Betty Isobel to Farquhar, William Thomas
- Farquhar-Atkins, John David to Farquharson, Janet
- Farquharson, Janet to Farr, Jonathan
- Farr, Jonathan Leonard to Farrell, William John de Courcy
- Farrell, Zelie Florence to Farrington, George Walker
- Farrington, Geraldine to Fatalot, Éva Ann
- Fatt, Emily Blanche to Faulkner, Henry Edward
- Faulkner, Hermione Patricia to Faustmann, Wilhelmina Helena
- Fauteux, Jeanne Isabella to Fawcett, Winifred Grace
- Fawcett-Majors, Farrah to Fazakerly, Thomas
- Fazi, Marcella to Fedoroff, Taisia
- Fedorovych, Vira Yuriivna to Feilden, Winifred
- Feilding Mellen, Cosmo Birdie to Feilding, unknown daughter
- Feilding, unknown son to Fell, Vebena
- Fell, Walter William to Fellowes, Peter Reginald
- Fellowes, Phyllida Mary to Feneley, Margaret Annie
- Fenell, Greg James to Fenton, Michael
- Fenton, Michael to Fenwick, Martin
- Fenwick, Martin to Ferguson Davie, Louise
- Ferguson Davie, Margaret Jean to Ferguson, John
- Ferguson, John to Fergusson, Beryl
- Fergusson, Beryl to Fergusson, Marion
- Fergusson, Martin Arthur to Fermor-Hesketh, Thomas Sharon
- Fermor-Hesketh, Thomas, 1st Baron Hesketh to Ferrand, William Harris
- Ferrando, Aline Louise Rose to Ferrers, Alianore de
- Ferrers, Alianore de to Ferries, Christian
- Ferrigno, Gina to Fetherston, Thomas, 2nd Bt.
- Fetherston-Dilke, Ann to Fetherstonhaugh, Jane
- Fetherstonhaugh, Jane to Fetter, Johanna
- Fettiplace, Anne to ffolliott, William Hovenden
- ffooks, Adrian to ffrench, Helen
- ffrench, Helen Le Bel to Fickling, Peter
- Ficquelmont, Charles-Louis Comte de to Field, William Ventris, 1st and last Baron Field
- Field, Yvonne to Fielding, Rosa
- Fielding, Rosa Alice to Fiennes-Clinton, William Roy
- Fiennes-Tiffin, Hero Beauregard to Filgate, Judith Clare
- Filgate, Katherine Anne to Finch, 7th Baronet, of Eastwell, Kent (John)
- Finch, 8th Baronet (Henry Stormont) to Finch, Maria
- Finch, Maria Elizabeth to Finck von Finckensttein, Wilhelmine Gräfin
- Finckenstein, Beatrice Maria Gräfin von to Findlay, Martin Charles
- Findlay, Mary to Finlay, John
- Finlay, John Borland to Finney, Jon
- Finney, Joshua to Finnie, Seth Thomas
- Finnie, Susan Kay to Firebrace, William Newton
- Firenze, Carlo di to Fischer, Waldemar
- Fischer-Sobell, James to Fisher, Cora Patricia
- Fisher, Cordelia to Fisher, John
- Fisher, John to Fisher, Suzannah Jane
- Fisher, Sydney to Fison, William Guy, 3rd Bt.
- Fitch, Alice Mary to Fitz-Clarence, William Henry
- Fitz-Clarence-Hunloke, Adelaide Augusta Willhelmina to Fitzalan-Howard, Winifrede Mary
- Fitzallan, Sarah to FitzGerald, Brinsley
- FitzGerald, Brinsley John Hamilton to Fitzgerald, Edward Thomas
- FitzGerald, Edward Thomas, 3rd Bt. to FitzGerald, Genet
- FitzGerald, Genevieve Inèsita to FitzGerald, James
- Fitzgerald, James to Fitzgerald, Louis de Rottenburgh
- FitzGerald, Louisa to FitzGerald, Maurice, 9th Duke of Leinster
- FitzGerald, May E. to FitzGerald, Thomas
- FitzGerald, Thomas to Fitzgerald-Lombard, Susan Caroline
- Fitzgerald-Moore, Brian Ponsonby to Fitzgibbon, Margaret
- Fitzgibbon, Margaret to Fitzherbert, Anne
- FitzHerbert, Annette Margaret to FitzHerbert, Herbert Haffenden
- FitzHerbert, Hilda Eunice to FitzHerbert, Thomas
- Fitzherbert, Thomas to FitzJames, James, 1st Duke of Berwick-Upon-Tweed
- Fitzjames, Jeanne Carolibe Henriette de to FitzMaurice, Dulcie Eileen
- Fitzmaurice, Dymphna to FitzMaurice, Juliana
- FitzMaurice, Juliana to Fitzmaurice, unknown
- FitzMaurice, unknown to FitzPons, Walter
- FitzRandolph, Ralph to Fitzroy, Henrietta
- Fitzroy, Henrietta to Fitzsimon, Walter
- FitzSimons, Anna to FitzWilliam, Joan
- FitzWilliam, Joan to Fitzwygram, William Harcourt
- Fiuli, Judith of to Flavelle, William McElroy
- Flavet, Deborah to Fleming, Angus Richard
- Fleming, Anna to Fleming, Hawise
- Fleming, Heather to Fleming, Michael le
- Fleming, Michael Valentine Paul to Fletcher, Amelia
- Fletcher, Amelia Henrietta Rose to Fletcher, Henry
- Fletcher, Henry to Fletcher, Richard Alexander
- Fletcher, Richard Edmond to Flick, Maria-Felicitas Alexandra Albertina Assunta Anna Fernanda Beatrix
- Flickinger, A. Catherine to Flood, Susan Ann Nina
- Flood, T. W. to Flower, Philip Ronald
- Flower, Philip Thomas Wykeham to Floyd, William Murray
- Floyer, Anne to Fock, Zoë Anna Judith
- Focke, Diana Natasha to Foley, Eliza
- Foley, Elizabeth to Foley, Walter
- Foley, William to Follett, Pauline Mary
- Follett, Philippa to Fontanilla, Lastania
- Fontelive-Vergne, Maria de to Foote, Woodrow Andrew
- Footner, Cecily to Forbes, Alexander
- Forbes, Alexander Charles to Forbes, Charles William
- Forbes, Charles William Lambe to Forbes, Florence
- Forbes, Florence Elizabeth to Forbes, Jane Henrietta Mary
- Forbes, Janet to Forbes, Mabel
- Forbes, Mabel Christian to Forbes, Robert
- Forbes, Robert Inglis to Forbes, William, 13th Lord Forbes
- Forbes, William, 1st of Callendar to Forcalquier, William IV, Comte de Forcalquier
- Force, Alexandra Eloise de la to Ford, George Stanley
- Ford, George Stephen to Ford, Peter Roger Anson
- Ford, Philip Richard to Forde, Katherine
- Forde, Letitia Jane to Forest-Divanne, Albert de La
- Foresta, Albéric de to Forges, Antonia Mary des
- Forgie, Helen Elizabeth to Forrest, Martin
- Forrest, Mary to Forret, William Norman
- Forrey, Jane to Forster, Mary Eleanor
- Forster, Mary Elizabeth Alice to Forsyth, ‘Old Laird Forsyth'
- Forsyth-Forrest, Anita to Fortescue, Countess (Sybil Mary)
- Fortescue, Countess of (Elizabeth) to Fortescue, Matthew Charles Maitland
- Fortescue, Matthew, 2nd Baron Fortescue of Castle Hill to Forward, Winifred Francis
- Forward-Howard, Beatrix Frances Gertrude to Foster, Audrey
- Foster, Augustus John, 1st Bt. to Foster, George W.
- Foster, Georgina to Foster, Mary
- Foster, Mary to Foster, William
- Foster, William Arthur John to Fougeres, William de
- Fougeron, Audoin to Foulkes, Unknown Child
- Foulkes-Best, Sebastian Michael Draper to Fowke, William
- Fowkes, Anne to Fowler, Linda Jane
- Fowler, Louisa to Fox, Anna
- Fox, Anna to Fox, Elizabeth
- Fox, Elizabeth to Fox, Hugo
- Fox, Ian Michael to Fox, Mary
- Fox, Mary to Fox, Thomas William
- Fox, Thomasine to Fox-Strangways, Mary Theresa
- Fox-Strangways, Mary Theresa to Fraguier, Genevieve de
- Fraguier, Gilles de to Frampton, Mary
- Frampton, Mary to France, Prince de (Joseph)
- France, Prince Imperial de (Eugene Louis Jean Joseph) to Francis, Pamela Mary Ruth
- Francis, Patience Elinor to Franco y Polo, Maria del Carmen Ramona Felipa Maria de la Cruz
- Franco, 'El Caudillo' to Frankenstein, Unknown von
- Frankfort de Montmorency, 1st Viscount (Lodge Evans) to Franklin, Frances
- Franklin, Frances Anne to Franks, Gertrude
- Franks, Gertrude Jane to Franquefort, Peter James
- Franquemont, Eleanore de to Fraser, Angela Maria
- Fraser, Angela Mary Graham to Fraser, Elizabeth
- Fraser, Elizabeth to Fraser, Isobel
- Fraser, Isobel to Fraser, Margaret
- Fraser, Margaret to Fraser, Simon James Gordon (Reverend)
- Fraser, Simon John to Fraser-Grant, Tessa Jeanne
- Fraser-James, James to Frederick, Auriol Rosalind
- Frederick, Aurora to Freed, Paul
- Freedman, Abraham to Freeman, Jane
- Freeman, Jane to Freeman-Mitford, Victoria Louise
- Freeman-Packer, Caroline Susan to Fremantle, Delvin David
- Fremantle, Dorothy Clare Haldane to French, Arthur St. George
- French, Arthur St. George Blair to French, Georgiana Frances
- French, Georgiana Harriet to French, Mary
- French, Mary to French, William Christopher St. George
- French, William F. to Frere, Hatley
- Frere, Henrietta Julia Arbuthnot to Freville, unknown
- Frew, Bret Timothy to Fried, Sochi Bess
- Friedberg, Matthias von to Frith, Sarah Elizabeth
- Frith, Susan to Frost, Gwendolen Lucy
- Frost, Harry to Fry, Catherine
- Fry, Catherine to Fry, Stephen Hope
- Fry, Susan Mabel to Fugger von Babenhausen, Sylvia Rosa Eleonora Leopoldine Karolina Maria Gräfin
- Fugger von Glött, 1st Fürst (Carl Ernst Maria Fidel Alfred Anton) to Fuller, Caspar Furneau
- Fuller, Catharine Sarah to Fuller, William
- Fuller, William to Fulthorpe, William
- Fulton, Alan Scott (Hon.) to Furnell, Gerald
- Furnell, Geraldine Marie Therese to Furness, Wilson
- Furneux, Amy to Fusban, Tobias Hans Harald
- Fusca, Desiree to Fynes-Clinton, Geoffrey Noel
- Fynes-Clinton, Geoffrey William Norreys to Fürstenberg, Franz-Egon Maria Meinhard Engelbert Pius Aloysius Kaspar Ferdinand Dietrich
- Fürstenberg, Franz-Hermann Baron von to Gabbett, Emma Georgina
- Gabbett, Fanny to Gable, William H.
- Gablenz, (?) von to Gage of High Meadow, 7th Baron, co. Gloucester (Henry Nicholas)
- Gage, 10th Baronet, of Firley, co. Sussex (Henry) to Gage, Joan Ann
- Gage, Joanna Frances to Gage, Ælla Rupert Fitzehardinge Berkeley
- Gagen, Bruce to Gair, Isabella
- Gair, Isobel to Galbraith, Catherine
- Galbraith, Catherine Mary to Galbraith, William
- Galbraith, William to Galice, Garcias de
- Galich, Duke of (Constantine) to Gallaher, Thomas Herbert
- Gallaher, Thomas Hubert to Galloway, Joan
- Galloway, John to Gallwey, Patrick James
- Gallwey, Patrick James to Galway, William
- Galwey, 'Burgess of Kinsale' to Galwey, Lydia Anne
- Galwey, Lydia Elizabeth to Gambier, Mary
- Gambier, Mary to Gamble, Susannah Fryer
- Gamble, Sylvia to Gandy, William Knipe Orme
- Gane, Béatrice to Garcia, Victoria
- Garcia-Alvarez y Panadero, Alfonso to Gardiner, David Alfred William
- Gardiner, Doris to Gardiner, Selena Harriet
- Gardiner, Shirley to Gardner, Florence Coulston
- Gardner, Frances to Gardner, Sheila Margaret
- Gardner, Sian W. M. to Garland, Tammy
- Garland, Tonia to Garnett, Frederick Willock
- Garnett, Frederick Young to Garnier, Ethel Bertha
- Garnier, Frances Esther to Garratt, Peter John
- Garratt, Richard to Garritt, Mary
- Garro-Jones, David to Garth, William
- Garth-Turnour, Anne (Hon.) to Garvin, Stephen
- Garway, Alan to Gascoigne, William Julius
- Gascoigne-Pees, Carol Anne to Gaskell, Henrietta Margaret
- Gaskell, Henry Brooks to Gatacre, William Forbes
- Gataker, Anne to Gatta, Siegilde Marie Therese
- Gattai, Antonello to Gautier, Marie
- Gautjahr, Sylvia to Gawsell, Winifred
- Gawthorne, George Jonathan to Gayton, Nicola Clare
- Gaywood, Diana Rosemary to Geddes, Archie Charles George
- Geddes, Auckland Campbell to Gedie, Richard
- Gedney, Deborah to Geissler, William H.
- Geiyt, Eliza Emily le to Gelston, T.
- Gelves, 11th Condesa de (Catalina Ventura) to Gentry, Pauline
- Gentyl, Agnes de to George, William Toy, Jr.
- George-Brown, Baron, of Jevington in the County of Sussex (George Alfred) to Gerard, Jane
- Gerard, Jane to German, Robin Piers Gonville
- German-Ribon, Anthony to Gethin, Christine Ann
- Gethin, Christopher John Forrest to Geymüller, Teresa Baronin von
- Geyr von Schweppenburg, Antonius Paul Alexander Ildefons Hubertus Maria Baron to Gibb, William Anthony
- Gibbard, Ann Maree to Gibbon, Mary Eleanor
- Gibbon, Mary Eleanor to Gibbons, Pauline Elizabeth
- Gibbons, Peta Jane Coulthurst to Gibbs, Elizabeth
- Gibbs, Elizabeth to Gibbs, Mary Bridget
- Gibbs, Mary Camilla to Gibson, Alexander
- Gibson, Alexander Drummond to Gibson, Grace G.
- Gibson, Graeme Stanley Thomson to Gibson, Nicholas Mayne
- Gibson, Nikolas John to Gibson-Craig, William of Riccarton, 2nd Bt.
- Gibson-Craig-Carmichael, Alasdair John to Giffard, Emma
- Giffard, Emma Cole to Gifford of St. Leonard's, Baroness (Tina Natalia)
- Gifford, 10th Earl of (William Montagu) to Gijselaar, Nicolaas de
- Gil, Maria Teresa Henriques to Gilbert, Susan
- Gilbert, Susan Louise to Gilbey, Rose
- Gilbey, Rose Myn Joan to Giles, Digby
- Giles, Dorothy Laura to Gill, Elizabeth Moore
- Gill, Ellen to Gillanders, unknown daughter
- Gillard, Anne Eliza to Gillett, William J.
- Gillette, Earle P. to Gillman, Edmund
- Gillman, Edmund to Gillon, Stair Agnew
- Gillone, James to Gilmour, Mary
- Gilmour, Mary Cecilia Rhodesia to Giordano, Vitto
- Giorgi, Charles to Gisborne, William
- Gisborne, Zachariah to Gladstone, Isla Clementine
- Gladstone, Isla Gillian Josephine to Glamis, 9th Lord (Patrick)
- Glamis, Lord (Patrick) to Glasgow, Pauline Mary
- Glasgow, Peter John to Gleane, Thomas
- Gleason, Amelia to Glenapp, Viscount (Fergus James Kenneth)
- Glenarthur, 1st Baron, of Carlung, co. Ayr (Matthew) to Glennie, William Rickards
- Glennon, Margaret Kathleen to Gloucester, William of
- Glover Wilson, Angus to Gluck, William Charles
- Glucksman, Audrey to Glyn, Marion Feodorovna Louise
- Glyn, Marion Helen to Glynne, William, 1st Bt.
- Glynne, William, 2nd Bt. to Goddard, Elizabeth
- Goddard, Elizabeth to Godfrey, Emily Mary
- Godfrey, Evelyn Mary to Godin, Willem Frederik
- Godinho, Antonio Carlos Gerken Potier to Godoy y Borbón, Carlota Luisa, 2° Duquesa de Sueca
- Godoy y Tudó, Luis de to Goes, Cornelia Elisabeth van der
- Goethe, Sarah Washington to Gogel, Josef Bryan
- Gogela, Elisabeth Marie Franziska Anna Adele to Goldbogen, Sophia
- Goldbourne, Elizabeth to Goldney, William Henry
- Goldridge, Anne Elizabeth to Goldsmith, Katherine Victoria
- Goldsmith, Lewis to Gomm, William Maynard
- Gomme, Donald to Gonzaga, Vincenzo II, 7th Duca di Mantova
- Gonzales, Jayne Alexandra to Gooch, Hester
- Gooch, Hester Stratford to Goodall, John
- Goodall, John to Goodbody, Hannah
- Goodbody, Hannah to Goodbody, Michael
- Goodbody, Michael Delanty to Goodchild, William
- Goodday, Anne to Goodey, Tegan Peta
- Goodfellow, Amy Louise to Goodlake, William Garrard
- Goodland, Mary to Goodricke, Ursula Monica
- Goodridge, F. to Goodyear, Moses
- Goodyer, Hester to Gordan, Marjorie Walter
- Gorden, Gilliam Sarah Esme to Gordon, Alexander
- Gordon, Alexander to Gordon, Beatrix
- Gordon, Benjamin Charles to Gordon, Duchess of (Jane)
- Gordon, Duchess of (Jane) to Gordon, George Hamilton
- Gordon, George Hamilton to Gordon, Ivo Alexander Ninian, Earl of Haddo
- Gordon, Ivy Dorothy Catherine to Gordon, John
- Gordon, John to Gordon, Louisa
- Gordon, Louisa to Gordon, Mary Kathleen
- Gordon, Mary Louisa to Gordon, Theresa Burton
- Gordon, Thomas to Gordon-Canning, Patrick
- Gordon-Clark, Elizabeth Anne to Gordon-Lennox, Charles Henry, 6th Duke of Richnond
- Gordon-Lennox, Charles Henry, 7th Duke of Richmond to Gore, Arabella
- Gore, Arthur to Gore, Francis Arthur
- Gore, Francis Arthur to Gore, Mary Catherine
- Gore, Mary Eileen to Gore, William John Pym
- Gore, William Ralph St. John to Gorges, Gladys
- Gorges, Hamilton to Goring, Marjorie Beatrice
- Goring, Mary to Gorsuch, Terence Richard
- Gort, 1st Viscount, co. Galway (John) to Gosford, Countess of (Theodosia)
- Goshawk, E. A. to Goss, William Forbes
- Gossage, Andrew Alexander to Gotlieb, Michael
- Gott, Anne to Gough, Frederick
- Gough, Frederick Herbert to Gough-Calthorpe, Walter
- Goujon, Gilles to Gould, Lydia
- Gould, Mabel to Gouldthorp, Richard
- Gouldwell, Frances to Gourney, William
- Goursac, Denise Marie Marguerite Angela de to Gower, Joan
- Gower, Joan to Goëss, Zeno Reichsgraf von
- Goëss-Saurau, Cecile Gräfin von to Grace, Robert Morgan
- Grace, Samantha Nicole to Grafftey-Smith, Unknown Daughter
- Grafton, 10th Duke of, co. Northampton (Charles Alfred Euston) to Graham, Anna
- Graham, Anna to Graham, David Campbell
- Graham, David de to Graham, Francis
- Graham, Frederica Emma to Graham, James of Meathie
- Graham, James of Monorgund to Graham, Lorna J.
- Graham, Lorna May to Graham, Niamh
- Graham, Nicholas to Graham, Thomas
- Graham, Thomas to Graham-Clarke, Ronald Warre
- Graham-Cloete, Bridget Clare to Grainger, Violet Wood
- Grairer, Florent de to Grandhomme, Jessica
- Grandin, James F. to Grant, 7th Baronet, of Dalvey (Alexander)
- Grant, 7th Baronet, of Monymusk and Cullen, Buchan (Archibald) to Grant, Catherine
- Grant, Catherine to Grant, Emma Laurenson
- Grant, Emma Louisa Frederica to Grant, James of Burnhall
- Grant, James of Dalvey, 1st Bt. to Grant, Ludovic James
- Grant, Ludovic James of Dalvey, 11th Bt. to Grant, Patrick of Wester Elchies
- Grant, Patrick of Whytree to Grant, Victoria Mathilda Susan
- Grant, Violet to Granville of Kilkhampton and Bideford, 3rd Baron (William Henry)
- Granville of Lansdown, 1st Viscount (John) to Grattan, Hannah
- Grattan, Harriet to Gravens, Margaretha
- Graves Morris, Auriol Dierdre to Graves, John
- Graves, John Baker to Grawe, Paulina Marie
- Grawingholt, Claudia to Gray, Daryl Herbert
- Gray, David to Gray, Isabel
- Gray, Isabel Harriet to Gray, Mary
- Gray, Mary to Gray, T. D.
- Gray, Tamara Mary Gabriel to Grayson, Sebastian Paul
- Grayson, Simon Antony to Greathed, William Wilberforce Harris
- Greatheed Bertie Percy, Anne Barbara Isabel to Greece and Denmark, Theodora of
- Greece, Alexandros I of to Green, Emma
- Green, Emma to Green, Margaret
- Green, Margaret to Green, William Abbott
- Green, William Atkinson to Greenaway, Thomas Richard Frederick
- Greenbank, Audrey Brenda to Greene, Frances Adelaide Graham
- Greene, Frances Haidée to Greene, Mary
- Greene, Mary to Greenfield, Mary Patricia
- Greenfield, Muriel Elsie Augusta to Greenly, William
- Greenman, Carol to Greenwell, Rosemary Heather
- Greenwell, Rosina to Greenwood, Sophia Belinda
- Greenwood, Stephanie to Greer, James
- Greer, James to Greer, unknown daughter
- Greer, unknown daughter to Greeves, Madeleine
- Greeves, Malcolm Greeves to Gregg, William Thornton Huband
- Greggains, Charlotte M. S. to Gregory, Joshua
- Gregory, Josiah Thomas Bennett to Gregson, William
- Gregson-Ellis, Charles James to Grenfell, Elizabeth Katharine
- Grenfell, Elizabeth Mary to Grenville, Isabel
- Grenville, Isabel to Gresley, Grace
- Gresley, Harriet to Grevill, William
- Greville of Clonyn, 1st Baron, co. Westmeath (Fulke Southwell) to Greville, Sophia
- Greville, Southwell (Major) to Grey, Alison
- Grey, Alistair James Egbert to Grey, Edward George
- Grey, Edward Ivar to Grey, Henry
- Grey, Henry to Grey, Margaret de
- Grey, Margaret Dysart to Grey, Thomas
- Grey, Thomas to Grice-Hutchinson, Marjorie
- Grichtchenko, Irinia to Grierson, Isabel
- Grierson, Isabel to Grierson, unknown daughter
- Grierson, unknown of Lagg to Griffin, Harold Seaman
- Griffin, Harold Youlden to Griffith, Edward Wynne
- Griffith, Edythe to Griffith, William (Sir)
- Griffith-Boscawen, Agnes Lillian to Griffiths, Mary Clare
- Griffiths, Mary Davies to Grimaldi, Louise Hyppolite, Princesse de Monaco
- Grimaldi, Lucien, Seigneur de Monaco to Grimston, Bruce David (Hon.)
- Grimston, Bruce William to Grimstone, William Arthur Edgar
- Grimthorpe, 1st Baron, of Grimthorpe, in the East Riding, co. York (Edmund) to Grofski, unknown
- Grogan, 1st Baronet (Edward) to Gross, Slim
- Gross, Stephen le to Grosvenor, Maud
- Grosvenor, Maud to Grotrian, Ursula Catherine
- Groube, Catherine Charlotte to Grove, Hugh
- Grove, Humphrey to Grove-White, William James
- Grover, Abigail to Groves, William Harold
- Groves-McGarel, Edward Julian to Grubb, Enid Mary
- Grubb, Enid Mary to Grubb, Louise
- Grubb, Louise to Grubb, Sarah
- Grubb, Sarah to Grubbs, Jerry Thurston
- Grubbs, Joe Carroll to Gruffudd, William David
- Gruffyd, Owain, King of Gwynedd to Grünewald, Josephine Mathilde
- Grünhof, Alexandra Nathalie Ernestine Freiin von to Gudenburg, Karoline Wolff von
- Gudenus, Anna Maria Augusta von to Guernsey, Nora Constance
- Gueroust, Maria Adelaide, Comtesse de Gueroust de Boisclaireau to Guest, Winston
- Guest, Winston Frederick Churchill to Guillamore, Viscountess (Mary Margaret Frances)
- Guillaume, Claire Marie to Guinness, Elizabeth
- Guinness, Elizabeth to Guinness, Miranda Rose
- Guinness, Miranda Vivien to Guiry, Violet Beatrice
- Guisage, Rose to Guise, Susanna
- Guise, Tacy Avena to Gully, William Slade
- Gulson, John to Gunasekera, Malina
- Gunawardane, Ramyamala Dhana Lakshmie to Gunn, Margaret
- Gunn, Margaret to Gunning, Sarah Anne
- Gunning, Spencer Greswolde to Gurdon, Rachel
- Gurdon, Robert to Gurney, Katherine Sarah
- Gurney, Kathleen to Gutch, Wilfrid
- Guthe, Agnes Mary to Guthrie, Thomas
- Guthrie, Thomas Clement to Gwalchmai, Einion ap
- Gwatkin, Alexander George Stapleton to Gwynedd, Viscount (David Richard Owen)
- Gwynn, Alice to Gwynne-Evans, William, 1st Bt.
- Gwynne-Evans-Tipping, Francis Loring to Götsch, Katharine Mary Trevelyan
- Götterswick-Bentheim, Aleida von to Habsburg, Fernando von
- Habsburg, Fernando von to Habsburg-Lorraine, Maria Theresia Isabella
- Habsburg-Lorraine, Marie Anne to Hack, Thomas
- Hackburne, Katharine Deighton to Hackett, Jane Georgina
- Hackett, Jane Henrietta to Hacking, Elizabeth
- Hacking, Elizabeth Anne to Haddon, William
- Haddow, Barbara to Hadow, Walter Henry
- Hadshar, Elizabeth to Hager, Shelley Bronwyn
- Hagerman, Christopher Alexander to Haggerston, Thomas, 1st Bt.
- Haggerston, Thomas, 2nd Bt. to Haig, Isobel
- Haig, James to Hailes, Patrick
- Hailey, 1st Baron, of Shahpur in the Punjab and Newport Pagnell, co. Buckingham (William Malcolm) to Haire, Susanne Elizabeth
- Hairs, Dorothy Margaret to Haldane, Janet
- Haldane, Janet to Hale, Elizabeth Price
- Hale, Elsie Eileen to Hales, Frances Ethel Heathcote
- Hales, Francis to Haliburton, William
- Haliday, Elizabeth to Hall, Angela Marian
- Hall, Ann to Hall, Deborah
- Hall, Deborah to Hall, Frederick
- Hall, Frederick to Hall, Jennifer Mary
- Hall, Jennifer Mildred to Hall, Marjorie April Austen
- Hall, Marjorie Geraldine Travers to Hall, Robert Lowe, Baron Roberthall
- Hall, Robert Michael to Hall, Zinnia Elizabeth Dalton
- Hall-Dare, Agatha to Halley, William
- Halliburton, Brenton to Hallinan, Timothy Edward
- Hallinan, Victoria Mary to Halsall, Winifred Mary
- Halsbiri, Jone de to Halsted, William Anthony
- Halswell, Grace to Hambling, William Claude
- Hambling, William David to Hamel, Yvonne Sheila de
- Hamel-Smith, Mequeline Eugenie to Hamilton, 2nd Marquess of, of Strabane, co. Tyrone (James)
- Hamilton, 2nd Viscount (John James) to Hamilton, Andrew Robert
- Hamilton, Andrew, 1st of Udston to Hamilton, Benjamin Henry Noel Hans
- Hamilton, Benjamin James to Hamilton, Christina Lovisa
- Hamilton, Christine to Hamilton, Elizabeth
- Hamilton, Elizabeth to Hamilton, Francis
- Hamilton, Francis to Hamilton, Hannah
- Hamilton, Hannah to Hamilton, Isabella
- Hamilton, Isabella to Hamilton, Jane
- Hamilton, Jane to Hamilton, John
- Hamilton, John to Hamilton, Louisa
- Hamilton, Louisa to Hamilton, Maria Louisa
- Hamilton, Maria Susannah to Hamilton, Noel
- Hamilton, Noel Peter to Hamilton, Rosemary
- Hamilton, Rosemary Olive to Hamilton, Ursula Mary
- Hamilton, Ursula Winifred to Hamilton-Cox, William Sackville
- Hamilton-Dalrymple, Agnes Mary to Hamilton-Russell, William Jame Gustavus
- Hamilton-Smith, Anthony to Hammerstein, William
- Hammerstein-Equerd, Elisabeth Freiin von to Hammond, Frances Dalrymple
- Hammond, Frederick to Hamond, William Parker
- Hamond-Graeme, Andrew Snape to Hampton, Ann Elizabeth
- Hampton, Anna to Hampton, Frances Sarah
- Hampton, Frances Sarah to Hampton, Lucy
- Hampton, Lucy Margaret to Hampton, Ruth Laura Hamilton
- Hampton, Ruth Louisa to Hanau und Horowitz, Wilhelm von
- Hanau, Albertine von to Hanbury, Joan
- Hanbury, Joan to Hanbury-Tracy, Edith Julia Helena
- Hanbury-Tracy, Edward to Hancock, Thomas Nicholas
- Hancock, Timothy James to Handcock, Peter Michael Roland
- Handcock, Rebecca Ellen to Hanham, Emmeline Mary
- Hanham, Esmond Henry Paget to Hankey, Harriet Bellingham
- Hankey, Helen Christine to Hanks, William
- Hanksford, Jane to Hanmer, Harriet Anne
- Hanmer, Harriet Frances to Hanmer, Wyndham Richard Guy, 9th Bt.
- Hann, Alison to Hannay, John Graham
- Hannay, John McCulloch to Hannover, Tania Saskia Viktoria-Luise Prinzessin von
- Hannover, Vera Alice Prinzessin von to Hansen, Warren Gustin
- Hansford, Anthony Nicholas to Hanwell, Sarah Mary
- Hanworth, 1st Baron (Ernest Murray) to Harbord, Kathleen Sarah
- Harbord, Kenneth Blair to Harcourt Vernon, Selina Catherine
- Harcourt Vernon, Selina Jane to Harcourt, Simon
- Harcourt, Simon to Hardie, H. D.
- Hardie, Helen Dorey to Harding, Joy
- Harding, Judith to Hardinge, George Arthur
- Hardinge, George Edward Charles, 3rd Baron Hardinge of Penhurst to Hardwick, William Birdsall
- Hardwick, William Roscoe to Hardy, Louis, Vicomte de Beaulieu
- Hardy, Louisa to Hare, Dorothy Ida Leigh
- Hare, Edgar to Hare, Mary
- Hare, Mary to Harford, Evelyn Norah
- Harford, Evelyn Sophia to Hargreaves, June
- Hargreaves, Katharine Monsarrat to Harington, John
- Harington, John to Harkness, Yvonne Margaret
- Harksen, Birgit to Harloe, William George
- Harlow, Alastair Michael to Harmon, Wilford
- Harmood, Ann to Harnage, Sarah
- Harnal, Arun to Harper, Katharine Mary
- Harper, Katherine to Harrach, Stephanie von
- Harragin, Anna Matilda to Harrington, Una Eloise
- Harrington, unknown daughter to Harris, Clive Gordon
- Harris, Clive William to Harris, George Rutherford
- Harris, George Scott to Harris, Lilian Anne Grenville
- Harris, Lilian M. to Harris, Runa
- Harris, Ruth Beatrice to Harrison, Alice
- Harrison, Alice to Harrison, Dermot Patrick Berreclough
- Harrison, Desmond to Harrison, Gertrude Rose
- Harrison, Gillian Lilah to Harrison, Katharine Marguerite
- Harrison, Katherine to Harrison, Patrick Vivian
- Harrison, Paul to Harrison, Wendy Anne
- Harrison, Wendy Deborah to Harsh, Sandra
- Harsike, Agnes to Hart, David
- Hart, David to Hart, Lillian Maria
- Hart, Lindsay to Harte, unknown
- Harte, Walter John to Hartigan, William
- Hartin, Anthony John to Hartley, Wallace
- Hartley, Walter to Hartridge, William
- Hartrott, Martha von to Harvey, Anthony
- Harvey, Anthony to Harvey, Eveline Talavera
- Harvey, Evelyn Musgrave to Harvey, Julia
- Harvey, Julia Maria to Harvey, Samantha
- Harvey, Samuel to Harvie-Watt, Thomas Louis
- Harville de Traisnel, Marie Antoinette Louise Esprit Jeanne Claude de to Hase, Paul Franz Hermann von
- Hase, Paul Friedrich Mario Francesco Filippo von to Haslam, Michael
- Haslam, Michael to Hassett, Susan Brenda
- Hassing, Ida Nannestad to Hastings, Catherine
- Hastings, Catherine to Hastings, Henry de
- Hastings, Henry de to Hastings, Roger
- Hastings, Roger to Hatch, Pamela Diane
- Hatch, Peter Donald to Hattersley, Ruth Salome
- Hattersley, Sidney Martin to Haughton, Aline Hutchinson
- Haughton, Alison to Haughton, Hannah
- Haughton, Hannah to Haughton, Martha
- Haughton, Martha to Haughton, W. J.
- Haughton, Walter Raleigh to Havelock, William
- Havelock, William Acton to Havre, Marie, Dame de Morlanwetz
- Haw, George to Hawker, Emma Louise
- Hawker, Eugenie Elizabeth Inglis to Hawkesley, unknown
- Hawkeslowe, Agnes to Hawkins, Frances Hume
- Hawkins, Frances Julia to Hawkins, O. S. W.
- Hawkins, Olive to Hawksford, Francis
- Hawkshaw, Benjamin to Hawley, Unton
- Hawley, Ursula Mary to Haworth-Booth, Vivien Eve Shuttleworth
- Haworth-Leslie, Alice Veronica to Hay, Agnes Clark
- Hay, Agnes Georgiana Elizabeth to Hay, Charlotte Backford
- Hay, Charlotte Elizabeth to Hay, George Foster
- Hay, George Francis to Hay, Jean
- Hay, Jean to Hay, Margaret of Dullievardis
- Hay, Margaret Patricia to Hay, Sereld Mordaunt Alan Josslyn
- Hay, Serena Claire to Hay-Drummond, Gwendoline Vane
- Hay-Drummond, Harriet Lepel Dorothea to Haydon, Walter Turner
- Haydon-Baillie, Anthony Grenville to Hayes, June
- Hayes, June Joy to Hayes-Newington, Sam John Lyle
- Hayes-Thompson, Bryce Edward to Hayne, William Burges
- Haynes, Alasdair Frederick Seton to Hayter, William Thomas Baring
- Hayter-Hames, Anne Longfield to Haywood, Patricia Anne
- Haywood, Peter to Hazlerigg, Martival Grey
- Hazlerigg, Martival Spencer Woolf to Head, Hugh Stanley
- Head, Ian Walker Hanbury to Headfort, Viscountess (Jane)
- Headington, Sylvia to Healey, Winnie
- Healing, Amanda Mary to Hearn, William
- Hearn, William Edward to Heath, Robert
- Heath, Robert to Heathcote, Cecil Hamilton
- Heathcote, Cecil Starr to Heathcote, Isabel Frances
- Heathcote, Isabel Lucy to Heathcote, Violet Isabella de Vere
- Heathcote, W. to Heaton, Susan Angele Phoebe Anne
- Heaton, Theodosia Maria to Hebblethwaite, William J.
- Hebblethwayte, Mary to Heberden, Winifred Susan
- Heberdon, James to Hedley, unknown
- Hedley-Dent, Renée Maude to Heid, Patrick
- Heide, Sigrid to Heinzl, Susan
- Heipmann, Elisabeth to Hellings, Zoya Eleanor
- Helliwell, Edward to Hely Hutchinson, George
- Hely Hutchinson, Georgina Mary to Hemingway, Vera Elizabeth Kathleen
- Hemlein, Kristen to Henckel von Donnersmarck, Maria Andreas Lazarus Alexius Felix Mauritius Erdmann Sigismund Johannes von Capistran
- Henckel von Donnersmarck, Maria Carl Josef Erdmann Jakob Edwin Lazarus Andreas Alois to Henderson, Claude Ernest Breese Hope
- Henderson, Clement Drusilla to Henderson, James
- Henderson, James to Henderson, Mary
- Henderson, Mary to Henderson, William
- Henderson, William to Heneage, George Fieschi
- Heneage, George Fieschi to Henley, Joan Beryl
- Henley, Joanna Katharine to Hennessey, Robert Samuel Fleming
- Hennessy of Nympsfield, Baron, of Nympsfield in the County of Gloucestershire (Peter John) to Henniker of Stratford-upon-Slaney, Baroness (Mary)
- Henniker, 1st Baronet, of Newton Hall, Essex (Brydges Trecothic) to Henniker-Major, Thomas Charles John
- Henniker-Major, Valerie Ann to Henry, Leonore Gladys
- Henry, Leslie to Henwood, Zinaida
- Henzell, Ellen to Hepburn, Henry Poole
- Hepburn, Hilda Bernice to Hepburn, Patrick
- Hepburn, Patrick Henry to Hepburne-Scott, Patricia Mary
- Hepburne-Scott, Patrick John to Herbert, Almina Victoria Marie Alexandra
- Herbert, Amanda Colleen to Herbert, Edward William
- Herbert, Edward, 1st Baron Herbert of Chirbury to Herbert, Jane
- Herbert, Jane to Herbert, Nicola Wendy
- Herbert, Norman Peter to Herbert, Winifred Mabel
- Herbert-Bennett, Constance to Heriot, Frances Elizabeth
- Heriot, George to Hermon, unknown
- Hermon-Hodge, (?) to Heron-Maxwell, Patrick of Springkell, 5th Bt.
- Heron-Maxwell, Patrick of Teviot Bank to Herringham, William Walton
- Herrington, Clarence Ray to Hertzog, unknown
- Herve, Jane Elizabeth to Hervey, Mary
- Hervey, Mary Agnes to Herzog, Roman
- Herédia, Joana de to Hesketh, Mary Olivia Charteris
- Hesketh, Maud to Hessen, Hermann II Landgraf von
- Hessen, Hermann von to Hessen-Kassel, Maximiliian Friedrich Wilhelm Georg Edward Prinz von
- Hessen-Kassel, Moritz Friedrich Karl Emanuel Humbert Landgraf von to Hessen-Philippsthal-Barchfeld, Wilhelm von
- Hessen-Rheinfels, Marie Eleonore von to Heugh, Susanna
- Heukelom, Henry van to Hewetson, Yvonne Mary
- Hewett, 1st Baronet, of Nether Seale, co. Leicester (George) to Hewett, William
- Hewett, William to Hewitt, John
- Hewitt, John Edward to Hewson, George
- Hewson, George to Heyde, Ursula von der
- Heydebreck, Friedrich von to Heyland, unknown daughter
- Heyligers, Maria to Heywood, Everard Lemprière
- Heywood, Florence Amy to Heywood-Lonsdale, William Pemberton
- Heyworth, 1st Baron, of Oxton, co. Palatine of Chester (Geoffrey) to Hibbert-Ware, Titus Herbert
- Hibbett, Edith to Hickman, Angela Lindsay
- Hickman, Angela Mary Dolsome to Hickman, Philip Douglas
- Hickman, Philip Gregory to Hicks, Mary
- Hicks, Mary to Hickson, William Richard Stanley
- Hickson-Mahony, John Currey to Higgins, Sophia Elizabeth
- Higgins, Stephen Richard to Highett, William Edward
- Highfield, Ellen Mather to Hildreth, Thomas
- Hildyard, 1st Baronet (Robert) to Hill, Alan Lashbrooke
- Hill, Alan Victor to Hill, Carolyn P.
- Hill, Caryll Loraine to Hill, Eliza Anna
- Hill, Eliza Henrietta to Hill, Georgina
- Hill, Georgina to Hill, Joan
- Hill, Joan to Hill, Margaret
- Hill, Margaret to Hill, Penelope
- Hill, Penelope to Hill, Susan Diana
- Hill, Susan Elizabeth to Hill-Trevor, Susan Janet Elizabeth
- Hill-Whitson, Charles to Hillier, Margaret
- Hillier, Marion Ellen to Hilton of Upton, Baroness (Nelly)
- Hilton Reum, London to Hinchingbrooke, Viscount (William James Hayman)
- Hinchliff, Chamberlain to Hindmarsh, Vivan
- Hinds, Allegra Poppy to Hinton, Harriet Mary
- Hinton, Hazel to Hirsch, unknown
- Hirschberg, Baronin von (Walburga) to Hitchens, Richard
- Hitchin, Diana Joan to Hoare, Archer
- Hoare, Arthur to Hoare, Georgiana
- Hoare, Georgiana Adeline Villiers to Hoare, Mary Louisa
- Hoare, Mary Martha to Hoare, Violet Hilda Margaret
- Hoare, Virginia to Hobart, Sarah Albinia Louisa
- Hobart, Simon Vere to Hobden, Suzette Anne
- Hobdy, Robert to Hobkirk, Mary Corali
- Hobler, Jessie Learmonth to Hoby, William
- Hoch, Jan Ludwig to Hodge, Eileen Lilian Winifred
- Hodge, Eliza to Hodges, Thomas
- Hodges, Thomas to Hodgkinson, Zinnia Mary
- Hodgman, Beatrice to Hodgson, Natalie Beatrice
- Hodgson, Nicholas Pomeroy Sanford to Hodson, James Edward Peregrince Victor
- Hodson, James Patrick to Hoese, Joan
- Hoesgyn, Frond verch to Hog, Winifred Alice
- Hogan, Anne Maree to Hogg, Edward
- Hogg, Edward to Hogg, Sarah
- Hogg, Sarah to Hoghton, William de
- Hogsflesh, Lucy to Hohenlohe, Friedrich
- Hohenlohe, Friedrich to Hohenlohe-Langenburg, Elise Prinzessin zu
- Hohenlohe-Langenburg, Emilie Friederike Christiane Prinzessin zu to Hohenlohe-Schillingsfürst, Viktor, 3rd Fürst von Corvey
- Hohenlohe-Schillingsfürst-Weikersheim, Amalia von to Hohenlohe-Weikersheim, Ymana von
- Hohenlohe-Wernsberg, Albrecht von to Hohenzollern, Eitel Friedrich von
- Hohenzollern, Eleonore von to Hohenzollern-Sigmaringen, Prinz von (Mircea)
- Hohenzollern-Sigmaringen, Prinz von (Nikolai) to Holbech, Olive Ruth
- Holbech, Ronald Herbert Acland to Holden, Anthony Charles Shuttleworth
- Holden, Anthony Ivan to Holden, Rosamond Shuttleworth
- Holden, Rosemary to Holdsworth, Emma Wilson
- Holdsworth, Frederick John Cropper to Holl, Veronika
- Holladay, Agnes Evelyn I. to Holland, George
- Holland, George David Bryant to Holland, Samuel
- Holland, Samuel to Hollant, unknown daughter van
- Hollant-Bentheim, Agniese van to Hollins, Ruth Jean
- Hollins, Sarah Daphne to Hollway, Thomas
- Hollwey, James Bell to Holme, William
- Holme-Summer, Mary Barnard to Holmes à Court, William Walter
- Holmes, 1st Baron (Thomas) to Holmes, Kenneth Harkins
- Holmes, Lauret to Holness, Rosalind
- Holnstein aus Bayern, Anna von to Holstein-Gottorp, Karl von
- Holstein-Gottorp, Karl XIII, King of Sweden to Holt, Edith
- Holt, Edith Mary Sherwin to Holt-White, Thomas
- Holt-Wilson, Alexander Daniel to Homan, William Travers
- Homan-Mulock, Anne to Home, Harriet Mary
- Home, Helen to Home-Drummond, Henry, 7th of Blair Drummond
- Home-Purves-Hume-Campbell, Elsie Barbara to Hone, Frederick Hone
- Hone, Geoffrey Browning to Hone, William Samuel John
- Hone-Travers, Camillus to Honywood, Thomasine
- Honywood, Thomasine to Hood, Ferelith Rosemary Florence
- Hood, Flora Susan to Hood, Winifred Mary Milne
- Hood-Daniel, Sarah Nancy to Hooper, Elizabeth
- Hooper, Elizabeth to Hope Johnstone, Florence Blanche
- Hope Johnstone, Florence Muriel to Hope, Augusta
- Hope, Augusta Mary Clarissa to Hope, Gertrude
- Hope, Gertrude to Hope, Linden Kenny
- Hope, Linton to Hope, Thomas
- Hope, Thomas to Hope-Weir, Charles
- Hoper, George to Hopkins, Mark
- Hopkins, Mark Edward Wills to Hopkinson, Rachel
- Hopkinson, Robert to Hopton, Mary
- Hopton, Mary to Hordern, Hugh David Carr
- Hordern, Hugh Maudslay to Hore-Ruthven, Zara Eileen
- Horen, Elizabeth Ann to Hornby, James Lawrence
- Hornby, Jamie Alexander Fairbairn to Horne, John
- Horne, John to Horner, William Sims
- Hornes, Count of (Jean) to Horrocks, William
- Horrox, Charlotte Julia to Horsfield, Victoria A.
- Horsford, Ada Laetitia Moor to Hort, Peter Senan Aylmer
- Hort, Rebecca Maria to Horton, Zoë Jane
- Horton-Fawkes, David Hawkesworth to Hoskyn, Thomas
- Hoskyns, 10th Baronet, of Harewood, co. Hereford (Chandos) to Hoskyns, unknown daughter
- Hoskyns, unknown daughter to Hoste, Robert Theodore
- Hoste, Sophia Louisa to Hotham, John, 3rd Bt.
- Hotham, John, 5th Baron Hotham of South Dalton to Hough, Valerie
- Hougham, Anne to Houldsworth, Zoë Anne
- Houle, Edward Curtis to Houston, Fanny Lucy
- Houston, Fielde Stewart to Houstoun, Sarah Molly
- Houstoun, Sarah Simmons to Hovenden, Thomas
- Hovendon, Christopher to Howard, Alice Augusta
- Howard, Alice Clare to Howard, Charles, Viscount Morpeth
- Howard, Charlie to Howard, Ernest
- Howard, Ernest Walters to Howard, Henry, 2nd Viscount Howard of Bindon
- Howard, Henry, 3rd Earl of Effingham to Howard, Lucy
- Howard, Lucy Gertrude to Howard, Patricia Jane
- Howard, Patrick Greville to Howard, unknown
- Howard, unknown daughter to Howard-Vyse, William Dalton
- Howard-Wright, Eric James to Howe, John Henry
- Howe, John Thynne, 2nd Lord Chedworth, Baron of Chedworth to Howell, Madeline Mary
- Howell, Margaret to Howie, Margaret
- Howie, Margaret to Howse, William Henry
- Howship, Maude Elizabeth to Hoyle, Zoë Jane
- Hoyles, Georgina Martha to Hubback, Walter
- Hubbard, Alice to Huck, Sigismond
- Huck-Saunders, Anne to Hudson, Barbara Lois
- Hudson, Beatrice Sabina to Hudson, Lyndall Rosemary
- Hudson, Mabel to Huellenried, Herbert Hueller von
- Huene, Elizabeth Wrangell to Huggins, Patricia Marjorie
- Huggins, Paul Philip to Hughes, Charles Oliver Edmund
- Hughes, Charles William to Hughes, Helen
- Hughes, Helen Cecilia to Hughes, Mary Olwen
- Hughes, Matilda to Hughes, William Bulkeley
- Hughes, William Bulkeley to Hugo, William Henry
- Hugon, Cecilia to Hull, Mary Ellen
- Hull, Maureen to Hulton, Ella R. M.
- Hulton, Ellen de to Hume, Anne
- Hume, Anne to Hume, Winifred
- Hume-Campbell, Alexander to Humphrey, Winifred Mary Gertrude
- Humphrey-Owen, Arthur Charles to Humphries, Leo
- Humphries, Lizzie to Hungerford, Bertha Mary
- Hungerford, Betty to Hungerford, Ian Edmund
- Hungerford, Ida Grace to Hungerford, Richard
- Hungerford, Richard to Hunn, Sydney A.
- Hunneman, Damaris to Hunt, George Clifford
- Hunt, George Eden to Hunt, Nina Gladys
- Hunt, Nina Katheryn to Huntar, William of Arnele Huntar
- Huntbach, Janice M. to Hunter, Beatrix
- Hunter, Beatrix to Hunter, Janet
- Hunter, Janet to Hunter, Robert
- Hunter, Robert to Huntingdon, Robert of
- Huntingfeld, Joan de to Huntly, Marchioness of (Elizabeth)
- Huntly, Marchioness of (Henrietta) to Hurn, William Dennis
- Hurnard, Sarah to Husee, Mark
- Huskinson, Edward to Hussey, Judith Fiona
- Hussey, Julia to Hutcheson, Thomas Brown
- Hutchesson, Amy de Beauvoir to Hutchinson, Frank
- Hutchinson, Frank Keith to Hutchinson, Sarah
- Hutchinson, Sarah to Hutchison, Rosanne Beatrice
- Hutchison, Roses to Hutt, William
- Hutteau d'Origny, Francoise to Hutton, Matthew
- Hutton, Matthew to Huyot, Lucie
- Huyshe, Alfred George to Hyde, George Ronald
- Hyde, Georgie to Hyde-Smith, Vaughan Christopher
- Hyde-Thomson, Catherine Zoe Eve to Hyslop, William of Lochend
- Hythe of Hythe, 1st Viscount, co. Kent (Thomas) to Ickringill, Jane Ann
- Iddesleigh, 1st Earl of (Stafford Henry) to Ilchester, Countess of (Sophia Penelope)
- Ildub, Culén mac to Imbert-Terry, Henry Bouhier, 2nd Bt.
- Imbert-Terry, Henry Machu, 1st Bt to Inchbald, Venetia Presiley Alice
- Inchbold, Sheelah Margaret to Inge, William Craufurd
- Inge, William Frederick to Ingle, William Law
- Inglebeard, Jane to Inglis, Hugh
- Inglis, Hugh Arbuthnot to Ingoldsby, William, 3rd Bt.
- Ingoldsthorpe, Edmund to Ingram, unknown
- Ingram, unknown to Innes, Adelaide Jane
- Innes, Adelina Bianca Alexandrina to Innes, Donald
- Innes, Donald to Innes, Ian
- Innes, Idonea to Innes, John of Dykeside
- Innes, John of Kinkell to Innes, Rebecca
- Innes, Rhonda Helen to Innes, William, 15th of that Ilk
- Innes, William, 1st of Blackhills to Inverclyde of Castle Wemyss, Baroness (Olivia Sylvia)
- Inverey, Margaret to Irby, Frances Rachel Gertrude
- Irby, Francis Edward to Ireland, Flaithbertach of
- Ireland, Flann Sinna of to Ireton, William de
- Iriam, Alice to Irvine, Elizabeth Hervey
- Irvine, Elizabeth Sarah to Irvine, unknown of Cults
- Irvine, unknown of Drum to Irving, Ymilia
- Irving-Bell, Angela Rosemary to Isaac, Jane
- Isaac, Jane Elizabeth to Isenburg, Irina von
- Isenburg, Isabelle Prinzessin von to Isham, Vere
- Isham, Vere to Isted, Mary
- Istria, Hunfried von to Ivor, Vivien
- Ivory, Ann to Jackman, Robert Arthur
- Jackman, Rosanna to Jackson, Catherine Lisa
- Jackson, Catherine Margaret to Jackson, Esther Barbara
- Jackson, Ethel to Jackson, Isla Margaret Mary
- Jackson, Isobel to Jackson, Lynne
- Jackson, M. E. to Jackson, Rachael
- Jackson, Rachael to Jackson, Warren
- Jackson, Washington to Jacob, Owen
- Jacob, Pamela Kathleen Brandon to Jacoby, Theresa Mary Blanche
- Jacomb, Cecilia Lucy to Jaffray, John, 1st Bt.
- Jaffray, Mabel Augusta to Jaksch, Wenzel
- Jaksetic, Lilian to James, Daphne Millais
- James, David Alistair to James, Harry Redesdale
- James, Haughton to James, Margaret Bernard
- James, Margaret Frances to James, Simon Drummond Courtenay
- James, Simon Jesse to Jameson, Joan Moira Maud
- Jameson, John to Jamieson, William Magnus
- Jamin, Miriam to Janssen, Williamsa
- Janssens van der Maelen, Louis to Jardine, Henrietta
- Jardine, Henry to Jarvis, Claire Victoria
- Jarvis, Colina Georgiana Lorne to Jay, John Wimburn
- Jay, Joseph to Jebb, Reginald
- Jebb, Richard to Jefferies, William
- Jeffers, Anne to Jeffreys, Elizabeth
- Jeffreys, Elizabeth to Jehangir, unknown
- Jehly, Jakob to Jencks, Pamela
- Jenden, Aaron Garry to Jenkins, Helen
- Jenkins, Helen Ferriday to Jenkinson, Charles
- Jenkinson, Charles Cecil Cope, 3rd Earl of Liverpool to Jenkyns, Tobias
- Jenne, Henry to Jennings, George
- Jennings, Geraldine Marie to Jension, John
- Jenson, Inge to Jermain, Katharine Hermione
- Jerman, Ann to Jerome, Ursula
- Jeronomy, Jane to Jervis, William Monk
- Jervis, William Swynfen to Jesson, Elizabeth
- Jesson, Elizabeth Pudsey to Jeune, William
- Jeuvell, Sarah Isabelle to Jocelyn, Clementina Janet
- Jocelyn, Clodagh Rose to Johansen, Vera Bugge
- Johanson, Knut 'the Tall' to Johns, William
- Johns-Kerr, Harper George to Johnson, Catherine Delicia
- Johnson, Catherine Frances to Johnson, Ethel
- Johnson, Ethel to Johnson, Jennifer Margaret
- Johnson, Jennifer May to Johnson, Mary Adelaide
- Johnson, Mary Alice to Johnson, Rosemary
- Johnson, Rosemary Ann to Johnson-Brooke, Margaret Alice Lili
- Johnson-Eden, Robert to Johnston, Archibald
- Johnston, Archibald to Johnston, Ernest
- Johnston, Ernest to Johnston, Jeremy Mark
- Johnston, Jesse Connor to Johnston, Michael Scott
- Johnston, Michelle to Johnston, unknown of Warriston
- Johnston, unknown son to Johnstone, Brent Neil
- Johnstone, Brett Charles to Johnstone, Glenn
- Johnstone, Glenys Ruth to Johnstone, Keith William
- Johnstone, Kelly to Johnstone, Ruth Selby
- Johnstone, Sally Caroline to Joicey, Jane
- Joicey, Jane to Jolliffe, Rebecca
- Jolliffe, Rebecca to Jones, Alfred Davidson
- Jones, Alfred George Nelson to Jones, Celia Margaret
- Jones, Charity to Jones, Eleanor
- Jones, Eleanor to Jones, George David
- Jones, George David to Jones, Jane Mary
- Jones, Janes to Jones, Louisa
- Jones, Louisa to Jones, Michael Paul
- Jones, Michael Robert to Jones, Robert
- Jones, Robert to Jones, unknown
- Jones, unknown to Jonsson, Viola Christine
- Joost, Eleonore to Jordis von Lohausen, Valentina Freiin
- Jordon, Bridget Mary to Jourdon, unknown
- Journault, Clementine to Joyce, Robert
- Joyce, Rohan to Judd, Helen Osborn
- Judd, Hester Vernon to Julyan, William Harvey
- Jump, James to Jörger zu Tollet, Maria Josepha Irene Gräfin
- Jörn, Jutta to Kahny, Waltraut
- Kahofer, Elisabeth to Kane, Walter Langdon
- Kaneko, Tazaru to Karolyi, Viktor
- Karooz, Angela to Kautz, Rudolf Adolf
- Kauzov, Christina to Kay, William Robertson
- Kay-Lassels, Phillip to Kazemzadeh, Zoreh
- Kchessinsky, Felix to Kearney, Gertrude
- Kearney, Henry to Keatinge, Violet Mary
- Keatley, Brigid to Keeling, Vanessa Clare
- Keelinge, Margery to Keglevich, Stephan
- Keh, Siew Kheng to Keith, Alexander Lindsay
- Keith, Alexander of Altree to Keith, Rebecca
- Keith, Robert to Kekewich, Trehawke
- Kekwick, Betty Roslaind to Kellett, Janet Victoria
- Kellett, Jemima to Kellogg, Jerusha Rebecca
- Kellogg, Joanna to Kelly, Daniel
- Kelly, Daniel to Kelly, John Donald
- Kelly, John Gordon Christie to Kelly, unknown
- Kelly, unknown to Kemble, Roger
- Kemble, Samuel Brooke to Kemp, Jane
- Kemp, Jane Falconer to Kempner, Elsa
- Kempson, Alice Hone to Kendall, Lorna
- Kendall, Loveday to Kennan, Thomas Ynyr Burges
- Kennard, 1st Baronet, of Fernhill, co. Southampton (Coleridge Arthur Fitzroy) to Kennard, Stanley Bruce
- Kennard, Stephen Astley Martyn to Kennedy, Archibald, 4th Marquess of Ailsa
- Kennedy, Archibald, Earl of Cassillis to Kennedy, Fiona
- Kennedy, Fiona to Kennedy, John
- Kennedy, John to Kennedy, Mary Augusta
- Kennedy, Mary Beatrice to Kennedy, Walter
- Kennedy, Walter Crauford to Kenny, Mary
- Kenny, Mary to Kent, Erica
- Kent, Essex, Sussex and Surrey, Æðelstan of to Kenworthy, William Henry
- Kenworthy-Browne, Elliott to Kenyon, Thomas John
- Kenyon, unknown son to Keppel, Frederick George
- Keppel, Frederick Walpole to Ker, Essex
- Ker, Esther to Kerans, Harold Julius Davidson
- Kerans, Hugo to Kernahan, May
- Kernan, J. B. to Kerr, Evelyn Mary
- Kerr, F. H. to Kerr, Marie Constance Annabel
- Kerr, Marie-Claire to Kerr, Zita Emily
- Kerr-Clark, Beatrice Minnie Ponsonby to Kersaintgilly, unknown de
- Kerscher, Hannelore-Maria to Kesselstatt, Theresa Gräfin von
- Kessler, Charles to Kettley, Jacqueline Ann
- Ketton, Mary to Keyes, Leopold Roger John
- Keyes, Leslie Yu-Ling to Khan, Wajid Iltaf, Baron Khan of Burnley
- Khandalawala, Karl J. to Kidd, William Ennis
- Kiddell, Jamie Michael to Kieser, Madeleine
- Kiesling, Eva to Kildare, Marquess of (Maurice)
- Kilden, Anne to Kilmaine, Elizabeth
- Kilmalew, Hector de to Kimball, Susan
- Kimbell, David to Kinahan, Vivienne Pamela
- Kinaston, Catharine to Kindersley, Helen Maria
- Kindersley, Henrietta Aurora Louisa to King, Anona Mary
- King, Appleby to King, Elizabeth
- King, Elizabeth to King, Isabella Jane
- King, Isabella Louisa to King, Louise Thorn
- King, Luana Veronica to King, Richard John Rodney
- King, Richard Matthew to King, William Payne
- King, William Richard to Kingham, Susan
- Kinghan, Jane Gordon to Kingscote, Jane
- Kingscote, Jane to Kingsmill, Edith
- Kingsmill, Edward to Kingston, Rebecca
- Kingston, Rebecca to Kinloch, Charles Frederick James Everard William George
- Kinloch, Charlotte Isabella Blanche to Kinnaird, Catherine Mary
- Kinnaird, Charles Fox, Master of Kinnaird to Kinnoull, Countess of (Sarah)
- Kinrara, 1st Earl of, co. Inverness (Charles Henry) to Kipling, Ruth Mary
- Kippen, Alexander James to Kirdy, Mannie
- Kirdyapa, Basil, Prince of Skopin-Shuiskii to Kirkcaldy, William, 1st of Grange
- Kirkconnell, Nicola Mary to Kirkpatrick, Edith Mary
- Kirkpatrick, Edna Florence to Kirkpatrick, Sandra Jean
- Kirkpatrick, Sara Gillian to Kirton, Thomas
- Kirwan, Alexander to Kissin, Ruth Debora
- Kissinger, Donald Vincent to Kitson, Frederick C.
- Kitson, Frederick William to Kleingeld, Timothy Charles
- Kleinhans, Johann Georg to Klinck, William Raymond
- Klinckowstroem, Alexander Karl Ludwig Friedrich Graf von to Knapp, Rachel Penelope
- Knapp, Robert Bruce to Knatchbull, Susan Ann Russell
- Knatchbull, Susan Penelope Jane to Kneppelhout van Sterkenburg, Marie Renée
- Knesebeck, Agnes von dem to Knight, Gerald Gordon Craddock
- Knight, Gertrude Theodora to Knight, Roger Hugh
- Knight, Rona Marion to Knightley, Winifred
- Knightly, Catherine to Knollys, Dudley
- Knollys, E. W. to Knowles, Christiana Joan Elizabeth Ruth
- Knowles, Cicely to Knox, Anne
- Knox, Anne Charlotte to Knox, Henry William
- Knox, Henry William to Knox, Vesey
- Knox, Vesey Edmund to Knyvett, Frances
- Knyvett, Frances to Koch, Zima Irene Lily
- Kochany, Stephen to Kolsson, Sverker I, King of Sweden
- Koltovska, Anne to Korff, Helene Gräfin von
- Korff, Helene Gräfin von to Kotz von Dobrz, Wenzel
- Kotz, Deborah Anne to Krause, Willy
- Kraut, Charlotte von to Kruger, Zia
- Kruidbos, Leo to Kun, Joost Lodewijk van der
- Kunath, Florence Annette to Kyd von Rebenberg, Patrik
- Kyd, Albury Emily Beryl to Kyrle, James
- Kyrle, Jane to L'Estrange, Violet
- L'Isle, 1st Viscount (Robert) to Laban, William
- Labardie, Etienne Alexandre Raoul, Signeur de Chausselière to Labuda, Zuzanna Alberta
- Labunski, Alfons Leo to Lacon, William
- Lacorzana, Pilar to Ladaucette, Marie de
- Ladaveze Adlercron, Anne Salisbury Meliora to Lagerwall, Victor A.
- Lagerweij, Helena Johanna to Laing, Joyce
- Laing, Joyce Merle to Laird, Winifrede Jean
- Laird-MacGregor, E. G. to Lake, Tristan Philippe Anthony
- Lake, unknown to Lally-Tollendal, unknown daughter de
- Laloi, Alexandre Nicolas to Lamb, Martin
- Lamb, Mary to Lambart, Joy
- Lambart, Julia to Lambert, Annie Jane
- Lambert, Annie Mary to Lambert, Emma
- Lambert, Emma Davinia to Lambert, John
- Lambert, John Alexander to Lambert, Peter FitzWalter
- Lambert, Peter Henry to Lambie, Mary Crawford
- Lambie, Nicola Jan to Lambton, Stella
- Lambton, Susan to Lamont, Æmilia
- Lamont-Campbell, Celestine Norman to Lanark, 9th Earl of (Alexander)
- Lanautte d'Hauterive, Charles Joseph Blanc Vicomte de to Lancia, Bianca
- Lancock, Susan to Landon, W. H. P.
- Landor, Catherine to Lane, Catharine
- Lane, Catharine Elizabeth Eyre to Lane, Joseph
- Lane, Joyce to Lane-Davies, Wendy Isabel
- Lane-Fox of Soho, Baroness, of Soho in the City of Westminster (Martha) to Lang, Mary Eleanor
- Lang, Mary Flora to Langdon-Davies, Marjory
- Langdon-Down, Reginald Langdon to Langham, Herbert Hay, 12th Bt.
- Langham, Holly Elizabeth Mary to Langley, Scott Victor
- Langley, Shortclift to Langrishe, Patrick Nicholas
- Langrishe, Penelope Jill to Langtry, Jeanne Marie
- Langue, Natalie Alexandria Elizabeth Julia de to Lanvaley, William III de
- Lanxade, Constance to Lardner-Clarke, Sybil Carr
- Laredo e Murca, Marie Amalia to Larraz, Susan Thérèsa Olga
- Larraín, Arturo Medín to Lascelles, Gerald Hubert
- Lascelles, Gerald William to Laski, Norman
- Lasky, Grace to Latham, Herbert Paul, 2nd Bt.
- Latham, Hugh to Latimer, 2nd Lord, of Braybrook, Northamptonshire (Warin)
- Latimer, 2nd Lord, of Corby (William) to Laubier, Michele de
- Laubier, Nadune de to Lauder, William of Hatton
- Lauderdale of Thirlestane, 1st Baron, co. Berwick (James) to Laurence, Timothy James Hamilton
- Laurence, unknown to Laurino, Duke of (Vincenzo)
- Laurison, Lilias Ray to Lavies, Mary Louisa
- Laville, Agnes to Law, Isabella Barbara
- Law, Isobel to Law, Zabier Charlotte
- Law-Green, Charles Theodore to Lawless, William Hampden Evans
- Lawley, 10th Baronet, of Spoonhill, Shropshire (Beilby) to Lawrence, Arthur Johnstone
- Lawrence, Arthur William to Lawrence, Jemima Rachel
- Lawrence, Jennifer to Lawrence, unknown wife
- Lawrence, Verity to Lawson, Alice
- Lawson, Alison to Lawson, Janet
- Lawson, Jasper Oliver Henry to Lawson, Violet Constance
- Lawson, Virginia to Layard, Edward Fotheringham
- Layard, Edwin Willisford to Laye, Mary Agnes
- Layer, Christopher to Le Duc, Jules
- Le Fanu, (?) to Le Gouz, Philippe, Comte de Saint-Seine
- Le Grand, Abraham to Le Mauff de Kergal, Yves
- Le May, Patrick to Lea, Linnie
- Lea, Louey to Leachman, William H. E.
- Leacky, Kathleen to Leahy-Taylor, J.
- Leak, Elizabeth to Lear, Walter
- Leard, Douglas Alan to Leask, Janet
- Leask, Janet to Leather, William Fishwick
- Leather-Culley, George to Leche, William
- Lecher, Denise Lauren to Lecky, William
- Lecky-Browne-Lecky, Annie Henrietta to Ledroit, Yolande
- Ledsam, Daniel to Lee, Elizabeth
- Lee, Elizabeth to Lee, Margery
- Lee, Maria Clarance to Lee-Bevan, Richard
- Lee-Dillon, Brenda Mary to Leeds, Arthur
- Leeds, Aubrey to Leeke, William (Reverend)
- Leekley, Nancy Hoff to Lees, Henrietta Frances
- Lees, Henry to Lees-Smith, Joyce Eleanor
- Leese, 1st Baronet, of Send Holme, Send, co. Surrey (Joseph Francis) to Lefferts, John
- Leffingwell, Lydia to Legard, Frances
- Legard, Frances to Legge, Edward
- Legge, Edward to Legge, William, Viscount Lewisham
- Legge-Bourke, Alexandra Shân to Legh, Mary
- Legh, Mary to Leicester of Holkham, Countess of (Vera)
- Leicester, 1st Baronet, of Tablay, co. Cheshire (Peter) to Leigh, Augusta Elizabeth
- Leigh, Augusta Susanna Egerton to Leigh, Francis
- Leigh, Francis to Leigh, Lucy
- Leigh, Lucy to Leigh, Sudeley Charles George
- Leigh, Susan to Leighes, Thomas de
- Leighton Byrne, John to Leiningen, Juliana Elizabeth Maria Prinzessin zu
- Leiningen, Karl Boris Frank Markwart Prinz zu to Leith, Alexandra Gladys
- Leith, Angharad Jane to Leith-Ross, Sina Margaret
- Leithner, Marie Blanche von to Lemon, William, 1st Bt.
- Lemonius, Eva Gertrude to Lennard, Philadelphia
- Lennard, Philadelphia to Lennox, Mary
- Lennox, Mary to Lenton, Violet Babington
- Lentron, David of Newgrange to Leontiev, Mikhail Ivanovich (General)
- Leontieva, Anastasia Mikhailovna to Leschallas, William Henry
- Lescher, Joseph Samuel to Leslie, David, 2nd Lord Newark
- Leslie, David, 5th Earl of Leven to Leslie, Jennifer Constance
- Leslie, Jennifer Helen to Leslie, Peter
- Leslie, Peter to Leslie-Melville, Rosamond Jocelyn
- Leslie-Melville, Rosamond Sylvia Diana Mary to Lethbridge, Anna Maria
- Lethbridge, Anne to Lethieullier, Peter
- Lethieullier, Samuel to Levashov, Aleksandr Ivanovich
- Levasier, Grace Elizabeth to Leverin, Patricia Aileen Domville
- Levering, Glenn Myles to Leveson-Gower, Thomas Christopher Gresham
- Leveson-Gower, Tracy to Levinge, Dorothy
- Levinge, Dorothy Mabel Judith to Levinsohn, Johanna
- Levinson, Barry Robert to Lewers, Una
- Lewery, Elizabeth to Lewis, Anna
- Lewis, Anna Fraser to Lewis, Eric Hadfield
- Lewis, Eric William Charles to Lewis, Julia
- Lewis, Julia Elizabeth to Lewis, Sarah Alice
- Lewis, Sarah Ann to Lewknor, Walter
- Lewns, Annie to Lexington, Robert de
- Lexinton of Aram, 1st Baron, co. Nottingham (Robert) to Leycester, Peter
- Leycester, Peter to Liardet, Wilbraham Frederick Evelyn
- Lias, Henry John to Liddell, Geoffrey William
- Liddell, George to Liddell-Grainger, Sophie Victoria
- Liddesdale, Baron of (Robert) to Liechtenstein, Clothilde Alberta Maria Franziska Xaveria Andrea von und zu
- Liechtenstein, Constantin Ferdinand Maria Prinz von und zu to Liechtenstein, Sophie Barbara Maria Prinzessin von und zu
- Liechtenstein, Sophie Prinzessin von und zu to Lightfoot, Virginie Hélène
- Lightle, Thener to Lilford of Lilford, Baroness (Pamela)
- Lilford, Clive Charles to Limbrick, Raymond George
- Limburg in Speckfeld, Amone Sophie Gräfin zu to Limoges, Susanne
- Limon, Nili to Lindesay, William de
- Lindesay-Bethune, Alexandra Penelope to Lindsay, 6th Earl of (George)
- Lindsay, 7th Earl of (David) to Lindsay, David Moore
- Lindsay, David of Dunrod to Lindsay, Isobel
- Lindsay, Isobel to Lindsay, Margaret
- Lindsay, Margaret to Lindsay, unknown
- Lindsay, unknown to Lindsey, unknown
- Lindsey-Renton, Gillian to Linley, William
- Linley-Adams, Guy Edward to Linzee, Walter
- Linzgau, Conrad Graf von to Lippitt, Warren
- Lippold, Charlotte to Lisle, Mary
- Lisle, Mary to Lister, John
- Lister, John to Lister-Kaye, Lister, 6th Bt.
- Lister-Kaye, Lois to Litt, Louisa Dorothea
- Litta, Ekaterina Vassilievna to Little, Zenobia
- Little-Gilmour, Walter, 6th of Craigmillar and 11th of Gilberton to Littleton, Frances
- Littleton, Frances to Livanos, Tina
- Livedostro, Stratyra to Livingston, Lord (James)
- Livingston, Louise Muriel Menteith to Livingstone-Learmonth, Eila Christian
- Livingstone-Learmonth, Eliza Jane to Llewellyn, Eliza L.
- Llewellyn, Eliza Williama to Lloyd Davies, William
- Lloyd George of Dwyfor, 1st Earl (David) to Lloyd, Bronwen Doyne
- Lloyd, Bruce Alexander to Lloyd, Ellen
- Lloyd, Ellen to Lloyd, Jane Helen Violet
- Lloyd, Janet Arnold to Lloyd, Mary
- Lloyd, Mary to Lloyd, Stephen
- Lloyd, Stephen to Lloyd-Greame, Yarburgh George (Lt.-Col.)
- Lloyd-Johnes, Anne to Lo Sardo, Ruggiero
- Loaden, Caroline to Lobkowicz, Ottokar Prinz von
- Lobkowicz, Pauline von to Lochhead, Robina
- Lochiel, 1st Lord (John MacEwen) to Locke, William Thomas
- Locke-Wheaton, Annabelle to Lockhart, Jean
- Lockhart, Jean to Lockwood, Elizabeth
- Lockwood, Elizabeth to Locock, Eva Caroline
- Locock, Fanny Bird to Lodge, Elizabeth Somervell
- Lodge, Emma Louise to Loen zu Heinsberg, Johanna von
- Loen, David de to Loftus, John Henry, 5th Marquess of Ely
- Loftus, John, 2nd Marquess of Ely to Logie, William Robert Agnew
- Logie-Pirie, Francis to Lombe, Margaret
- Lombe, Mary to Long, Averil Juliet
- Long, Barbara to Long, Frances
- Long, Frances Catherine to Long, Martha Maria
- Long, Martin William to Long, unknown daughter
- Long, unknown son to Longe, William Martin Peel
- Longemarre, Marie Elizabeth Lucie de to Longman, William
- Longmire, Ann to Longueville, Thomas, 4th Bt.
- Longueville, William to Looney, William Henry
- Looram, Bettina Jemima to Loraine, William, 2nd Bt.
- Loraine, William, 4th Bt. to Lorillard, Pierre Abraham
- Lorillard, Pierre II to Lorraine, Elizabeth Therese de
- Lorraine, Ermesinde de to Lort-Phillips, Piers Wickham
- Lort-Phillips, Raymond to Loucks, Judy
- Loud, Jessica May to Loughnan, Thomas
- Loughneagh, 10th Baron of, co. Antrim (John) to Louvain, Thomas de
- Louvencourt, unknown de to Lovel and Holland, 9th Lord, Baron Lovel and Holland of Enmore, co. Somerset (Frederick Joseph Trevelyan)
- Lovel of Minster Lovel, 1st Baron (Thomas) to Lovell, Scott
- Lovell, Scott James to Low of Dalston, Baroness (Jill Irene)
- Low, 1st Baronet (James) to Lowcock, Samuel
- Lowden, Jean to Lowe, John
- Lowe, John to Lowery, Ruth
- Lowes, Alan to Lowry, Patricia Gillian
- Lowry, Robert to Lowther of Whitehaven, 9th Viscount (Hugh Clayton)
- Lowther, 'The Yellow Earl' to Lowther, James, 4th Bt.
- Lowther, Jan to Lowther-Crofton, Marcus, 1st Bt.
- Lowther-Pinkerton, Alexandra to Luard, David Julius B.
- Luard, David Richard to Lubbock, Frances Mary
- Lubbock, Francesca Eriminta Alessandra to Lubienski Bodenham, Stanislas Mary Joseph
- Lubienski, Andrew to Lucas, Delia Dorothy
- Lucas, Diana Joan to Lucas, Miles Schmitz
- Lucas, Nadia to Lucchesi-Palli, Maria Stella
- Lucchesi-Palli, Michele to Lucy, Bridget
- Lucy, Bridget to Ludeke, Marcia Joan
- Luden, Anthonie to Lugo, María-Luisa de
- Lugt, Stella van der to Lumley of Waterford, Viscountess (Frances)
- Lumley, 10th Baron, of Lumley Castle (Alfred Frederick George Beresford) to Lumley, Ælene
- Lumley-Saunderson, Barbara to Lumsden, Rupert Edward Charles of Banchory, younger
- Lumsden, Ruth to Lundy, Winifred Bernice Mary
- Lunel, Guise de to Lurting, John
- Lus, Juana to Lushington, Mabel Marie
- Lushington, Madeline Dawn to Luther, Thomas
- Luther-Watson, Rose to Lutz, unknown
- Lutzenburg, Christiane Sophie Friederike von to Lvov, Pelagyeya Borisovna
- Lvova, Alexandra to Lyell, Vivien Diana
- Lyffe, Amica to Lyle, Robert, 1st Lord Lyle
- Lyle, Robert, 2nd Lord Lyle to Lynch, Henrietta
- Lynch, Henry to Lynch-Blosse, Eric Hugh
- Lynch-Blosse, Ethel Margaret to Lynn, William Blackbird
- Lynn, Winifred Alicia to Lyon, Helen
- Lyon, Helen to Lyon, Virginia Anne
- Lyon, Walter Fitzgerald Knox to Lyons, Nicole Alicia
- Lyons, Noel to Lysaght, Nicholas
- Lysaght, Nicholas to Lythe, Oliver Edward
- Lythgoe, Ellen to Lyttelton, William Henry, 3rd Lord Lyttelton, Baron of Frankley
- Lyttelton-Annesley, Arthur Lyttelton to Löbbecke, Sophie Eleonore
- Löben Sels, Wilhelmina Carolina van to Löwenstein-Wertheim-Rosenberg, VIII Fürst zu (Karl)
- Löwenstein-Wertheim-Virneburg, Friedrich Eberhard Graf zu to Maberly, Mary Jane
- Maberly, Mary Rose to MacAlister, Gustava
- MacAlister, Hector to Macara-Meredith, Peter
- Macardle, Maighréad Mary to Macarthur-Stanham, William
- Macarthy, Alice to Macartney-Filgate, William George Townley George Seymour
- Macartney-Filgate, Winifred to Maccallum, Zachary, 5th of Poltalloch
- MacCalzean, Euphemia to MacCausland, Redmond Alexander
- MacCaw, Ann Elizabeth to Macdermot, John
- MacDermot, John to Macdonald, Alastair Nan Cleas, 10th of Keppoch
- MacDonald, Alastair Ninian to Macdonald, Angus of Kilaulay
- Macdonald, Angus Roderick, 24th of Clanranald and Moidart and 10th of Benbecula to Macdonald, Donald
- Macdonald, Donald to Macdonald, George
- Macdonald, George to Macdonald, Janet
- Macdonald, Janet to Macdonald, Louisa Martha
- Macdonald, Lucinda Margaret to Macdonald, Meriel Iona
- Macdonald, Michael Christopher Archibald to Macdonald, unknown
- Macdonald, unknown to Macdonell, Charlotte Lindsay
- Macdonell, Colin Patrick to MacDonnell, James of Dunluce
- MacDonnell, James Richard Edward to Macdougall, John, 5th of Dunollie and of Lorn
- MacDougall, Julia Elizabeth to Macdowall, Marion
- Macdowall, Marjorie to Macfarlane, Duncan James
- Macfarlane, Duncan of that Ilk to MacGeough Bond, William
- MacGeough, Alice to MacGregor, Gregor of Inverardran
- MacGregor, Gregor of Roro to Machalak, Frank
- Macham, Anne to MacIntyre, Catriona Elspeth
- MacIntyre, Christian Margaret Lilias to Mack, Zoë Catherina
- Mackaby, Mary to Mackay, Fiona Jackson
- Mackay, Fleur to Mackay, Maria Christine Jeannette
- Mackay, Maria Constantia to MacKeith, Peter
- MacKellar, Duncan to Mackenzie, Andrew Kenneth
- Mackenzie, Andrew Mitchell to Mackenzie, Dorothy Lilias
- Mackenzie, Douglas to Mackenzie, Henry
- Mackenzie, Henry Arthur to Mackenzie, Kathryn Heather
- Mackenzie, Keith Douglas to Mackenzie, Mary
- Mackenzie, Mary to Mackenzie, unknown daughter
- Mackenzie, unknown daughter to Mackessack, Simon Fraser
- Mackesy, Charlotte to Mackinnon, Fynvola
- Mackinnon, George to Mackintosh, Donald
- Mackintosh, Donald 'Glas' to Mackintosh, Mora
- Mackintosh, Mora to Mackworth, Dorothy Conran
- Mackworth, Eliot Digby to Mackworth-Young, Tessa Natalie
- Macky, Eleanora Caroline Lucia to Maclaine, Mary
- Maclaine, Mary to Maclay, William Strang
- Maclayman, Robert to MacLean, Gladys Rhoda
- Maclean, Gordon to MacLean, Michael Francis
- Maclean, Montague Francis to Maclennan, unknown
- Macleod and Castlehaven, 1st Lord (George) to MacLeod, George Alexander Copson
- Macleod, George Ernest to Macleod, Marion
- MacLeod, Marion to MacLeod, William, 9th of MacLeod
- Macleod-Carey, A. E. to Macmillan Douglas, Rosemary Jane
- Macmillan of Ovenden, 1st Viscount, of Chelwood Gate, co. East Sussex and Stockton-on-Tees, co. Cleveland (Maurice Harold) to MacMillan, William Louis Delaforce
- Macmillan-Fox, Jane to Macnab, William Dick
- Macnabb, Alexandra to Macnaghten, Patrick
- Macnaghten, Patrick Alexander of Macnaghten, 11th Bt. to MacNeece, William Foster
- MacNeice, Caroline Elizabeth to Macomb, Jane
- Macomber, Abigail Forbes to MacPherson, Don
- Macpherson, Donald to Macpherson, Naomi
- Macpherson, Niall Malcolm Stewart, 1st and last Baron Drumalbyn to MacRae, D. G.
- Macrae, Dana Junaita to Mactaggart, Jean
- Mactaggart, Jeanie to Madden, Clarissa
- Madden, Colin to Maddocks, Valerie Suzanne
- Maddocks-Wright, Laura Julietta to Maffey, Sophia
- Maffey, Tamas Henry to Magee, William
- Magenis, Ann Louisa to Magnis, Marie Benedicta von
- Magno, Clara Esmeralda to Maguire, Terence B. A.
- Maguire, Thomas to Mahon, John FitzGerald
- Mahon, John Joseph to Mahony, Winifred Mary
- Mahood, Alma Julia to Maine, William I 'the Conqueror' de
- Mainella, Claire Emilia to Mainwaring, Salusbury Kynaston
- Mainwaring, Sarah to Maitland Makgill Crichton, Edward Thomas
- Maitland Makgill Crichton, Eila Victoria to Maitland, Catherine
- Maitland, Catherine to Maitland, James, Viscount Maitland
- Maitland, Jane to Maitland, Robert
- Maitland, Robert to Maitland-Heriot, William
- Maitland-Kirwan, Charles Lionel to Makgill Crichton Maitland, Sarah Barbara
- Makgill of Cousland, 10th Lord (John) to Makgill, Pamela Ann
- Makgill, Patricia Ruth to Malcolm Green, Thomas Oliver
- Malcolm of Poltalloch, 1st Baron, co. Argyll (John Wingfield) to Malcolm, Margaret Jean Lois
- Malcolm, Margaret Roy to Malephant, Jonet
- Males, 5th Baronet, of Beakesbourne, Kent (Philip) to Malet, Picot
- Malet, Rachel to Mallen, Thomas Richard
- Mallery, Elizabeth to Mallinson, Margaret
- Mallinson, Marie Louise to Malone, Vera Millicent
- Malone-Lee, Christina to Maltzahn, unknown von
- Maltzahn-Wartenberg-Penzlin, Ernest Baron von to Manchester, Terence George Richard
- Manchon, Barbara Maria Anna Michaela Elisabeth to Mander, Simon Vivian
- Mander, Sophia to Manfield, Vera Ibbetson
- Manfredi, Ercole to Manliffe, Sarah
- Manlove, Edith Jessie to Mann, Mary Elizabeth
- Mann, Mary Emily Blount to Manners, George John Henry, Marquess of Granby
- Manners, George, 11th Lord de Ros of Helmsley to Manners-Sutton, Winifred Grace
- Mannes, Martha to Manno, Vittorio, Barone Manno
- Mannock, 1st Baronet (Francis) to Mansel, Henry
- Mansel, Henry to Mansel-Pleydell, Vivien
- Mansell of Margam, 1st Baron (Thomas) to Mansfield, Keziah
- Mansfield, Margaret to Manwaring, Thomas
- Manwaring-White, Amica Mary Frederica to Mar, Countess of (Margaret)
- Mar, Countess of (Margaret) to March Phillipps de Lisle, Lancelot Joseph Everard
- March Phillipps de Lisle, Laura Jane to Marchant, Thomas le
- Marchbank, Anthea to Mare, William Henry
- Mareau, Gabriele Baron von to Margesson, John
- Margesson, John to Marino, Vincenzo
- Marinori, Henrietta to Mark, Irmengarde von der Vrouwe van Hedel
- Mark, James to Markham, Catherine
- Markham, Catherine Frances Nannette to Markham, Yvonne Penelope
- Markhof, Harriet Mautner von to Marles, Sheila Minton
- Marlesford, Baron, of Marlesford in the County of Suffolk (Mark Shuldham) to Marno, William Victor
- Marnoch, Isobel to Marriage, Thomas Charles
- Marrian, David to Marrs, Roderick Peter Ross
- Marrson, Johan to Marseille, Vicomte de (Barral I)
- Marselis Hartsinck, Catharina Susanna van to Marsh, Paul
- Marsh, Paul Disbury to Marshall, Constance
- Marshall, Constance Gertrude to Marshall, Jean Margaret
- Marshall, Jeanette to Marshall, Rosemary Wynford
- Marshall, Rowan to Marsham, Maria Sophia
- Marsham, Marie Henrietta Margaret to Martell, William Michael
- Martelli, Amabel Amy Antonella to Martin, Avice Blanaid
- Martin, Aylmer ffulke to Martin, Erskine Thackery (Major)
- Martin, Esther Mary to Martin, Jean Christine
- Martin, Jean Crosby to Martin, Mary
- Martin, Mary to Martin, Sophia Elizabeth
- Martin, Sophia Florence to Martineau, Frederick Phelips
- Martineau, Gaston to Marton, Thomas
- Martonffy-Dudutz, Istvan to Marwood-Elton, William
- Marword, James to Masham of Swinton, Baroness (Elizabeth Alice)
- Masham, 1st Baron, of Ellington, co. York (Philip) to Mason, Flora Mary Alice
- Mason, Florence to Mason, William Lewis (Reverend)
- Mason, William Murray to Massey, Zoe
- Massey-Mainwaring, William Frederick Barton to Massovia, Judith von
- Massow, Ehrengard von to Massy, Elizabeth
- Massy, Elizabeth to Massy, Ine
- Massy, Ingoldsby Eyre to Massy, Theodora Patricia
- Massy, Thomas Adam Godfrey to Master, Winifred Maude
- Masterman, Catherine to Matcham, William Eyre
- Matchett, Anna Matilda Margaret to Matheson, Dugald 'Og'
- Matheson, Dugald of Balmacarra to Mathew, Jonah Pynsent
- Mathew, Jonet to Mathieu, Zia Rose
- Mathis, Hans to Matthews, Edward
- Matthews, Edward to Matthews, T. G.
- Matthews, Teresa M. R. to Matuschka, Victoria Gräfin von
- Matyas, Irene to Maude, Cicely
- Maude, Clara Louisa to Maude, Roger Philip
- Maude, Rosalie Cornelia to Maujean, Kerry Gaie
- Maul, Frances Etrenne to Maumont, Guy, Seigneur de St. Quentin
- Maund, Herbert to Maunsell, Charlotte
- Maunsell, Charlotte to Maunsell, Frances
- Maunsell, Frances to Maunsell, John
- Maunsell, John to Maunsell, Mary Isabella
- Maunsell, Mary Josepha Anne to Maunsell, Susan
- Maunsell, Susan Bertha to Maurice, Hugh fitz
- Maurice, J. M. to Mawdsley, Evelyn
- Mawe, Barbara Harvey to Maxwell Scott, Susan Mary
- Maxwell, 10th Baronet, of Calderwood (William) to Maxwell, Christian
- Maxwell, Christian to Maxwell, Herbert
- Maxwell, Herbert to Maxwell, Kirsty
- Maxwell, Laura Mary to Maxwell, Robert, 2nd Lord Maxwell
- Maxwell, Robert, 4th Bt. to Maxwell-Heron, Violet Bridget Heron
- Maxwell-Hyslop, Alexander Bayly to May, Joan Ethelwyn
- May, Joe to Mayer, William
- Mayer-Riech, Elisabeth to Maynard, Ethel
- Maynard, Fiona to Mayne, William, 1st Baron Newhaven
- Mayne-Campbell, John Henry to Mayson, Vernon Alfred John
- Maytham, A. Kent to McAlpine of West Green, Baroness (Romilly Thompson)
- McAlpine, 1st Baronet, of Knott Park, Surrey (Robert) to McArthur, Wendy Dawn
- McAskill, Joanne Mary to McCabe, William Putnam
- McCafferty, Anna Susan to McCammon, Margaret
- McCampbell, Barbara to McCarthy, Honora
- McCarthy, Honora to McCaughan, Unknown Daughter
- McCaul, Alan Clarkson to McClintock, Anne
- McClintock, Anne Florence to McClintock-Bunbury, William
- McClintock-Bunbury, William Bunbury to McComie, William
- McComish, Gill to McConnell, William James
- McConnell-Geisness, Lisa Tiare to McCormick, William Symington
- McCornack, Anne to McCoy, Harvey
- McCoy, Helena to McCray, Sarah
- McCrea of Magherafelt and Cookstown, Baron, of Magherafelt in the COunty of Londonderry and Cookstown in the County of Tyrone (Robert Thomas William) to McCulloch, John of Myretown
- McCulloch, John of Myrtoun to McDonald, Ian
- McDonald, Ian to McDonnell, Rachel Frances
- McDonnell, Rachel Mary Josephine to McDouall, Marguerite Lavinia
- McDouall, Maria Caroline to McDowell, Margaret Vivien
- McDowell, Margery Jill to McEwen, Katherine Isobel
- McEwen, Margaret to McGath, Thomas Andrew
- McGathen, Ellen to McGillycuddy, Lucinda Orpen
- McGillycuddy, Lucretia to McGrath, John
- McGrath, Kevin to McGuiness, Mary
- McGuinn, Dennis to McIntosh, Jessie
- McIntosh, Jessie Barrie to McIver, Wilfred
- McIvor, Elizabeth Anne Neville to McKee, Hugh
- McKee, Ian James to McKenzie, Frances Frederica
- McKenzie, Gloranna to McKillop, Vera Nellie
- McKim, Agnes to McLaren, Emmeline
- McLaren, Esther Joanna Marie to McLaughlin, Rosemary Crofton
- McLaughlin, Sarah to McLeish, William
- McLellan, Archibald to McLintock, Sylvia
- McLintock, Thomson to McManis, William
- McMannus, unknown to McMullan, William
- McMullen, Agnes to McNair, William Samuel Angus
- McNair-Wilson, Arabella Jane Campbell to McNeile, Tom
- McNeill, Agnes Duncan to McPherson, Herbert Taylor, V.C.
- McPherson, High to McShane, Gillian Rutter
- McShane, Graeme Paul to McVittie, Susan Wendy
- McVitty, Jane to Meade, Benjamin
- Meade, Camilla to Meade, William Edward
- Meade-Fetherstonhaugh, Anne Margaret to Meares, unknown
- Mearns, Alexander to Mecklenburg, Sophie von
- Mecklenburg-Gadebusch, Christopher Herzog von to Medary, Mary
- Medcalf, Alfred James to Medlicott, Richard Frederick
- Medlicott, Robert Irvine to Meeking, Ralph Frances
- Meeking, Ralph Francis to Meikle, Scott Crawford
- Meiklejohn, Alexander James to Meißen, Friedrich I Markgraf von
- Meißen, Friedrich I von to Melinder, Peter
- Melinette, Anne Catherine Thirion to Mellon, Paul
- Mellon, R. B. to Melrose, Violet Jessie
- Melross, Bettina to Melville, Julia Rosemary Susan
- Melville, June to Mendham, Samuel
- Mendiaux, Christiane to Menteith, Marjorie
- Menteith, Marjorie to Menzies, Gwendolyn Freda
- Menzies, H. H. to Meran, Eleonore Magdalene Ottokara Therese Gräfin von
- Meran, Eleonore Maria Johanna Franziska Ignazia von to Mercer, Luke
- Mercer, Margaret to Meredith, Roger
- Meredith, Samuel to Merison, William Hugh
- Merito, Victoria Alena del to Merrifield, William Joseph
- Merrik, Isabella to Merrylees, Sophie Emma
- Merryman, Ann to Merwydd, Gwgon ap Goch
- Meryett, Elizabeth to Metayer, John
- Metcalf, Alan to Metcalfe, Zara Naldera
- Metcalfe-Smith, Archibald to Methven, Sarah L.
- Metson, Angela Mary to Mews, Sarah Mary
- Mewtas, Hercules to Meyerscough, Mary Anne Victoria
- Meygaarden, Monique Adriana van to Meyrick, Rhoda
- Meyrick, Richard to Michel, Rachel Mary Lumley Godolphin
- Michelborne, Anne to Micklethwait, Sotherton Nathaniel
- Micklethwait, St. John Aldrich to Middleton, Caroline
- Middleton, Caroline to Middleton, Rebecca
- Middleton, Rebecca Elizabeth to Mieville, Youla Cecilia
- Mifsud, Anthony to Milbanke, Marke, 1st Bt.
- Milbanke, Mary to Mildmay, George
- Mildmay, Georgiana Frances to Miles, Harriott Ellin
- Miles, Heather Katherine to Milford, Thomas
- Milford-Cottam, Diana Hazel to Millar, George Bury
- Millar, George William Russell to Miller Mundy, Rory
- Miller of Chilthorne Domer, Baroness, of Chilthorne Domer in the County of Somerset (Susan Elizabeth) to Miller, Christopher Declan
- Miller, Cindy Marie to Miller, Graham Austin Herrock
- Miller, Graham Christopher to Miller, Julius
- Miller, Kara Lea to Miller, Pamela B.
- Miller, Patricia to Miller, Walter McNair
- Miller, Wendy Louise to Milligan, Jean Viola
- Milligan, John to Mills, Anne
- Mills, Anne Geraldine to Mills, John
- Mills, John to Mills, Winifred Mary
- Mills-Powell, Bridget to Milne, Ann
- Milne, Ann Geraldine to Milne-Home, Rosemary Honor Croad
- Milne-Thomson, A. to Milnes Gaskell, Thomas
- Milnes, 1st Baronet (Robert Shore) to Milward, Vendela Susan Esther
- Milward, Victor (Colonel) to Minchin, Charles
- Minchin, Charles to Minchin, Enid Stephanie
- Minchin, Eric Reginald to Minchin, Jane Elizabeth
- Minchin, Jane Elizabeth Mary to Minchin, Maree Therese
- Minchin, Margaret to Minchin, Richard Ernest
- Minchin, Richard George Edward to Minchin, William Peter
- Minchin, William Reilly to Minthorn, Hulda Randall
- Minto of Minto, 1st Baron, co. Roxburgh (Gilbert) to Misoffe, Françoise
- Misra, Pritee to Mitchell, Elizabeth Augusta Harriet
- Mitchell, Elizabeth Dawn to Mitchell, John Henry
- Mitchell, John Henry Guest to Mitchell, Sidney Debra
- Mitchell, Simon to Mitchison, Valentine Harriet Isobel Dione
- Mitchley, Lucretia to Mizzi, Michael Irvine
- Mizzino, Giulia Pandola to Moers, Wilhelm Leo Maria
- Moers-Saarwerden, Elisabeth von to Moffett, unknown
- Moffit, Gilbert to Moir, John
- Moir, John Henry (Reverend) to Molesworth, Alice Sophia
- Molesworth, Alison Mary to Molesworth, Evelyn
- Molesworth, Evelyn Carnegy Helena to Molesworth, Lynn Hill
- Molesworth, Madeleine to Molesworth, Susannah
- Molesworth, Sylvie to Molinari, Elizabeth Ann
- Molinaris, Caroline to Moloney, William J.
- Molony, 1st Baronet (Thomas Francis) to Molyneux, 6th Baronet, of Sefton, Lancashire (Richard)
- Molyneux, 6th Baronet, of Teversall, co. Nottingham (William) to Molyneux, Mary Anne
- Molyneux, Mary Augusta to Monasterioti, Daphne
- Monath, Viviane to Monck-Mason, Thomas
- Moncke, Christian to Monckton, Gertrude
- Monckton, Gibbons to Monckton, Sarah Elizabeth
- Monckton, Sarah Elizabeth to Moncreiff, Katherine Moira
- Moncreiff, Lilian Mary Susan to Moncreiffe, unknown daughter
- Moncreiffe, unknown daughter to Money, David Arthur Wigram
- Money, David Eugenius Kendall to Money, Vincentia Sybil
- Money, Walter Baptist to Monk, Julia
- Monk, Lesley Ruth to Monro, Marion Frances
- Monro, Mary Caroline to Monson, Christopher John
- Monson, Constance Adelaide to Montagu Douglas Scott, John Henry
- Montagu Douglas Scott, Katharine Mary to Montagu, Charlotte
- Montagu, Charlotte to Montagu, Gerard Phillip Sanderson
- Montagu, Gerard, Seigneur de Montagu to Montagu, Mary Henrietta
- Montagu, Mary Louise Elizabeth to Montagu-Pollock, Hubert Vernon
- Montagu-Pollock, Ivor Thomas to Montague-Jones, Roy Ronald
- Montague-Smith, Annabelle to Montefiore, Josephine
- Montefiore, Josephine to Montferrat, Peter de
- Montfichet, Aveline de to Montfort, Marie de
- Montfort, Marie de to Montgomerie, Doreen Evelyn
- Montgomerie, Dorothea Frances to Montgomerie, Mary
- Montgomerie, Mary Elizabeth to Montgomery, Anne
- Montgomery, Anne to Montgomery, Hugh Conyngham Gaston, 4th Bt.
- Montgomery, Hugh de Fellenberg to Montgomery, Roger, Lord of Lancaster
- Montgomery, Roger, Seigneur de Montgomery to Montmirel-en-Brie, Mary de
- Montmoreau, Agnès Marie Colette to Montmorin, Thomas, Seigneur de Montmorin
- Montojo y de Icaza, Paloma, Condesa de Areny to Monypenny, James, 18th of Pitmilly
- Monypenny, Janet to Moogana, Rostomjee Nanabhoy Beramjee
- Mook, Andre to Mooney, Myra Mary
- Mooney, Myra Mary to Moore, Ann
- Moore, Ann to Moore, Charlotte
- Moore, Charlotte to Moore, Ella
- Moore, Ella Carlton to Moore, Helena Anna Mary
- Moore, Helena Anne to Moore, John
- Moore, John to Moore, Mary
- Moore, Mary to Moore, Richard
- Moore, Richard to Moore, unknown
- Moore, unknown to Moorhead, William Henry
- Moorhouse, (John) to Moran, Helen Theodosia
- Moran, Henry to Moray, Countess of (Anna Mary)
- Moray, Countess of (Anne) to Mordaunt, Frances Harriet
- Mordaunt, Francis Lionel to More O'Ferrall, Theresa Mary Magdalene
- More, 1st Baronet, of Loseley (Poynings) to Morell, Roy
- Morellon, Claude to Morgan, Ann
- Morgan, Anna to Morgan, Emma Esma
- Morgan, Emma Matilda to Morgan, Libby
- Morgan, Lilian to Morgan, Thomas
- Morgan, Thomas to Moriarty, unknown
- Moriaty, Ashley John to Moritz, Stanley
- Morkill, Frances Helena to Morley, John Henry
- Morley, John Lane to Morony, Thomas Lovett
- Morosini, Catherine to Morrice, William, Bt.
- Morrie, Andre to Morris, Edward
- Morris, Edward to Morris, John Armine, 3rd Bt.
- Morris, John Barron to Morris, Peter J.
- Morris, Peter Reginald to Morris, Winifred Susannah
- Morris-Bingham, Anne Lavinia to Morrison, Gwendoline Phyllis
- Morrison, Harriet to Morrison, unknown daughter
- Morrison, unknown of Prestongrange to Morrogh, Jane
- Morrogh, Jane to Morshead, William Henry Anderson
- Morson, Anne J. to Mortimer, unknown daughter de
- Mortimer, unknown daughter de to Morton, Kathleen
- Morton, Kenneth to Moseley, Elizabeth Ann
- Moseley, Elizabeth Cooke to Mosley, Beatrice Elizabeth Inez
- Mosley, Bertha Mary Isobel to Moss, Gilbert Winter
- Moss, Gilbert Winter Zwilchenbart to Mostyn, Arthur
- Mostyn, Augusta Mary Geraldine to Mostyn, Myfanwy
- Mostyn, Myrtle Mabel Muriel to Moton, William
- Mott, 1st Baronet, of Ditchling, co. Sussex (Basil) to Mouchet de Battefort, Theodule Maria Joseph Francoise, Comte de Laubespin
- Mouchet, Charles Marie Camille, Comte de Laubespin to Mount Edgcumbe, Countess of (Victoria Effie)
- Mount Leinster, 1st Viscount, co. Carlow (Edward) to Mountbatten, Victoria Alice Elisabeth Julie Marie, Princess of Battenberg
- Mountbatten-Windsor, Andrew Albert Christian Edward to Mountnorris, Countess of (Sarah)
- Mountrath, 1st Earl of, in Queen's Co. (Charles) to Mowbray, Elizabeth
- Mowbray, Elizabeth Rose to Moyle, William
- Moyles, Elizabeth to Mudge, Zachary
- Mudgett, Mary Polly to Muir, David Stuart
- Muir, Diana C. to Muirshiel, Viscountess (Betty L'Estrange)
- Muirson, Louisa Caroline Tobin to Mulji, Sudhir Jayantilal
- Mulke, Frederic John to Mullins, Edith Hilda
- Mullins, Edward to Mumford, William David
- Mumm von Schwarzenstein, Gisela Mila Mathilde (Baroness) to Mundy, Wrightson
- Munge, Joanne Elizabeth to Munro, Elizabeth
- Munro, Elizabeth to Munro, Robert Hector
- Munro, Robert Ian to Muralt, Robert Gaston de
- Murare, Ngametua to Murdock, Samuel
- Mure, Adam of Rowallan to Murphy, Anne Marie
- Murphy, Anne White to Murphy, Henry
- Murphy, Henry to Murphy, Maurice John
- Murphy, Maxine to Murray of Epping Forest, Baroness (Heather)
- Murray of Gask, Lord (James) to Murray, Amanda
- Murray, Amanda Muriel Mary to Murray, Balvany and Gask, 9th Lord (John George)
- Murray, Balvenie and Gask, 10th Lord, co. Perth (George Iain) to Murray, Cyril Alexander George Octavius
- Murray, Cyril Francis Tyrrel to Murray, Emily
- Murray, Emily Blanche to Murray, Harriet
- Murray, Harriet to Murray, James Wolfe, Lord Cringletie
- Murray, James, 1st Baron Glenlyon to Murray, John Rupert
- Murray, John S. to Murray, Margaret
- Murray, Margaret to Murray, Mildred Adair
- Murray, Mildred Blacnhe Bloomfield to Murray, Samuel John
- Murray, Sara to Murray, William
- Murray, William to Murray-Prior, William Augustus
- Murray-Pulteney, James to Musgrave, Barbara
- Musgrave, Carol to Musgrave, Thomas de
- Musgrave, Thomas de to Mussenden, William
- Musser, Mary Jett to Mycielski, Vivian H.
- Mycock, Phyllis Mary to Myers, Wolf
- Myerscough, Gabriel John to Mynors, Winifred Mary Baskerville
- Mynott, Emily Matilda to Naas of Naas, 9th Baron, co. Kildare (Ulick Henry)
- Naas, Baron (Charles Diarmuidh John) to Nagle, unknown
- Nagnensky, Sylvian to Nairne, William
- Nairne, William Murray, 5th Lord Nairne to Nandell, Sarah
- Nanfan, Bridges to Napier, Alexander
- Napier, Alexander to Napier, Frances
- Napier, Frances to Napier, Margaret
- Napier, Margaret Ann Searle to Napier, William Francis Patrick
- Napier, William Henry Edward to Naryshkin, Yevdokiya Grigorevna
- Naryshkina, Agrafena Lvovna to Nash, Winifred Isabel
- Nash-Peake, Dorothy Maude to Nassau, Maurits, Prince of the Netherlands
- Nassau, Nellie to Nassau-Siegen, Wilhelmine Christine von
- Nassau-Usingen, 1st Fürst von (Walrad) to Nathan, Trevor Anthony
- Nathansohn, Amalie to Naylor, Frank Armitage
- Naylor, Georgiana to Neale, Louise Marie
- Neale, Margaret to Neave, Jane
- Neave, Jane to Needham, Catherine
- Needham, Catherine Elizabeth to Neel, Vivienne May
- Neelands, Abraham Rupert to Neill-Hall, William Patrick
- Neilon, May Sterling to Nellenburg, Graf von (Eberhard V)
- Nellenburg, Hedwig von to Nelson, Edward Foyle
- Nelson, Edward Hamilton to Nelson, Margaret Mary
- Nelson, Margaret Sibbald to Nelson, Zoe
- Nelson-Smith, Evelyn Agnes to Nero, Jennifer
- Nerot, Georges Joseph Edme to Nesselrode-Reichenstein, Marie Karoline Theresia Josepha Gräfin von
- Nesset, Christina-Elizabeth to Netterville, Reddis
- Netterville, Reddis to Neumann, Roxanna Doria
- Neumann, Sieglinde to Nevill, Caroline Draper
- Nevill, Caroline Emily to Neville, Anne
- Neville, Anne to Neville, Henry de
- Neville, Henry de to Neville, Ralph, 1st Earl of Westmorland
- Neville, Ralph, 2nd Earl of Westmorland to Nevins, Richard Fielding
- Nevinson, Annie to Newbolt, Thomas Winthrop
- Newborough of Newborough, 1st Baron, co. Wexford (George) to Newcombe, William Lister
- Newcome, Alicia to Newenham, Harriet
- Newenham, Heather Marian to Newman, C. W.
- Newman, Caitlin Rita to Newman, Richard
- Newman, Richard to Newport, Margaret
- Newport, Margaret to Newton, Benjamin
- Newton, Beryl to Newton, Mary Cicely
- Newton, Mary Ellen to Niarchos, Victoria Christina
- Niarchos-Livanos, Alessandra to Nicholl, Winifred
- Nicholl-Caddell, Bernard Robert to Nichols, Mary
- Nichols, Mary to Nicholson, Elisabeth
- Nicholson, Elisabeth Rebecca to Nicholson, Laura Violet
- Nicholson, Lavinia Margaret Grace to Nicholson, Una Phyllis
- Nicholson, unknown to Nicol, Elizabeth Forbes
- Nicol, Elizabeth Jane to Nicolis, Valentina
- Nicoll, Alexander John McDairmid to Nicolson, Margaret
- Nicolson, Margaret to Niemandt, Sian Amanda
- Niemans, Ilka von to Nightingale, Ida Nellie
- Nightingale, Ida Sophia to Nimmo, Timothy S. J.
- Nimptsch, Anna Elisabeth Oktavia Gräfin to Nisbett, Nehemiah
- Nisbett, North More to Nixon, Harold Robert
- Nixon, Harold Samuel to Nobbs, Eileen Annette
- Nobbs, Eileen Olive to Nobbs, William Laing
- Nobes, John to Noble, Shararae
- Noble, Sheila Black to Noel, Edward, 1st Earl of Gainsborough
- Noel, Edward, 1st Viscount Wentworth of Wellesborough to Noel, Philip Arthur Nicholas
- Noel, Phoebe to Nokes, Thomas George Alan
- Nokise, Rosalyn Barbara to Norbury of Ballycrenode, 8th Baron, co. Tipperary (Richard James)
- Norbury, 1st Earl of (John) to Norfolk, Duchess of (Francesca V.)
- Norfolk, Duchess of (Georgina Susan) to Norman, John Alan
- Norman, John Frank to Normand, William Alexander
- Normandeau, Catherine to Norrington, Violet Elizabeth
- Norris, 10th Lord (Montagu) to Norris, Walter
- Norris, Walter to North, Frederick Keppel
- North, Frederick Stanley to North, unknown son
- North, unknown wife to Northcote, Elise Lesley
- Northcote, Eliza to Northcote, unknown daughter
- Northcote, unknown daughter to Northumberland, Uchtred of
- Northumbria and Huntingdon, Earl of (Waltheof) to Norton, George
- Norton, George to Norton, Walter Miller
- Norton, Walter Percy to Norwood, William
- Noseda, Emmanuelle to Nottingham, William of
- Notto, Elizabeth Barbara de to Nuffield of Nuffield, Baroness (Elizabeth Maud)
- Nuffield, 1st Viscount (William Richard) to Nugent, Edward
- Nugent, Edward to Nugent, Joy Jennifer
- Nugent, Julia to Nugent, Ruth
- Nugent, S. B. to Nunneley, William
- Nunns, Sarah Janet to Nussey, William Leathley
- Nussler, Gerda Maria to Nutting, Nina Louise
- Nutting, Olivia to O'Brien Butler, Pierce John
- O'Brien Butler, Terence to O'Brien, Dermot, 5th Baron of Inchiquin
- O'Brien, Desmond to O'Brien, Henry, 4th Earl of Thomond
- O'Brien, Henry, 6th Earl of Thomond to O'Brien, Mary
- O'Brien, Mary to O'Brien, Teig
- O'Brien, Teige to O'Callaghan, Catherine
- O'Callaghan, Catherine to O'Callaghan, Margaret
- O'Callaghan, Maria to O'Ceallaigh, Teige Tailltenn
- O'Ceilleachair, Eoin to O'Connell, Eleanor
- O'Connell, Elenor Elizabeth to O'Connell, Lucie Ann
- O'Connell, Lucila Concha Margarita Maria to O'Connell, Rickard
- O'Connell, Rickard to O'Connor, James Ryan
- O'Connor, Jane to O'Conor, Evaine
- O'Conor, Evelyn to O'Daly, unknown wife
- O'Daniel, Eleonore Barbara Elisabeth Claudine Margarethe to O'Donnell, Domhnall Óg
- O'Donnell, Domhnall Óge to O'Donnell, Éigneachán
- O'Donoghue, 'The Poet' to O'Donovan, Morgan
- O'Donovan, Morgan to O'Gowan, R. Wanless
- O'Grady, 1st Baron, of Rockbarton, co. Limerick (Standish) to O'Grady, John Thomas
- O'Grady, John Waller to O'Hagan, Timothy David Brendan
- O'Hagerty, Aldelm to O'Hara, William
- O'Hare, Christina to O'Kelly, Mable
- O'Kelly, Mable to O'Loughlin, unknown of Burren
- O'Madden, Ambrose to O'More, Rory
- O'Mores, Catherine to O'Neill, Clare Désirée
- O'Neill, Clare Naomi to O'Neill, Maria-Madalana
- O'Neill, Maria-Teresa to O'Neylane, William
- O'Nolan, Mary Ellen to O'Riordan, Susan Mary Bridget
- O'Rorke, Adela Mary to O'Sullivan, Henry
- O'Sullivan, Honora to Oakes, Emily Mary Charlotte
- Oakes, Enid Madeline to Oakshott, Valerie Anne Doreen
- Oaten, Albert Edward to Oborn, Daphne
- Oborne, Alice to Odell, Constance
- Odell, Constance to Odell, Mary
- Odell, Mary to Odhams, Muriel Katharine
- Odiarne, Catharine to Oettingen-Oettingen und Oettingen-Wallerstein, Wolfgang Kraft Prinz zu
- Oettingen-Oettingen, Albrecht Ernst II Prinz von to Ogill, John
- Ogilvie Thompson, Anthony to Ogilvie, Zina Lilias
- Ogilvie-Forbes, Anne Marguerite to Ogilvy, Christian
- Ogilvy, Christian to Ogilvy, James, 1st Earl of Findlater
- Ogilvy, James, 2nd Earl of Airlie to Ogilvy, Mary Lisette
- Ogilvy, Mary Louisa to Oglander, Frances
- Oglander, Frances to Ogle, Sarah Agatha
- Ogle, Sophia to Okeover, Rowland
- Okeover, Rowland to Oldenburg, Eilika von
- Oldenburg, Elimar II Graf von to Oldenburg-Delmenhorst, Wertslaw von
- Oldenburg-Hoya, Maria Gräfin von to Oldnall, William Neville Russell
- Oldnall-Russell, Augusta Pratt to Oliphant, Elizabeth
- Oliphant, Elizabeth to Oliphant, Master of (Patrick)
- Oliphant, Maud D'Oyly to Oliver, Elizabeth
- Oliver, Elizabeth Alice to Oliver, Richard
- Oliver, Richard to Olivier, Laurence Kerr, Baron Olivier
- Olivier, Laurent to Olson, Theresa
- Olsoufieff, Aleksey Vasilyevich (Count) to Onley, William
- Onn, Mary Cecilia to Onslow, Elizabeth Anne
- Onslow, Elizabeth Frances to Onslow, Michelle Claire
- Onslow, Middleton to Opava, Margaret of
- Opdeback, Susan Harriet Catherine to Oppersdorff, Wilhelm Hans Georg Mathias Eduard Anton Graf von
- Oppitz, Adolf to Orchard, William Henslow
- Ord, Alexander of Findochtie to Orde-Browne, Sybil
- Orde-Powlett, Algitha Alkenda Brenda to Orkney, Jarl of (Magnus)
- Orkney, Jarl of (Magnus) to Orléans, Engeltrude d'
- Orléans, Ermentrude d' to Orléans-Bragança e Wittelsbach, Maria Gabriela de
- Orléans-Bragança e Wittelsbach, Maria Gabriela Dorotèa Isabel Josefa Micaela Gabriela Rafaela Gonzaga to Ormerod, Zachary
- Ormesby, Elizabeth to Ormsby, John
- Ormsby, John to Orpen, Phoebe
- Orpen, Rachel to Orr, Elizabeth Jean
- Orr, Elizabeth Sarah to Orred, Sophia
- Orrell, Catherine Henshaw to Ortner, Ingrid
- Orton, Alan de to Osborne of Kiveton, 9th Baron, co. York (George Godolphin)
- Osborne, 10th Baronet, of Ballintaylor and Ballylemon, co. Waterford (William) to Osborne, George
- Osborne, George to Osborne, Thomas
- Osborne, Thomas to Osorio de Moscoso y de Reynoso, Maria del Perpetuo, Duquesa de Sessa
- Osorio de Moscoso y de Taramona, Ramon, Conde de Cabra to Oswald, Joseph
- Oswald, Joseph to Otterburn, Thomas of Redhall
- Otterson, David to Oultremont, Therese d'
- Oundley, Catherine to Ouvaroff, Stephen Peter
- Ouvray, Dorothy Delahaize to Owen, Cdre Trevor Lewis
- Owen, Cecil Wynn to Owen, Lucy Fletcher
- Owen, Lucy Margaret to Owen-Smith, Timothy Clive
- Owen-Taylor, Allan to Oxenham, William
- Oxford and Asquith, 1st Earl of (Herbert Henry) to Pace, Thomas
- Pacetti, Mary to Packer, Pamelia A.
- Packer, Philip to Pagden, Susannah
- Page Croft, Bruna to Page, Matthew
- Page, Max to Paget, Arthur Wyndham Louis
- Paget, Audrey Elizabeth to Paget, Georgina
- Paget, Georgina Byng to Paget, Richenda Elizabeth
- Paget, Richenda Rachel to Paige, William Robert
- Pailthorpe, Jane Carleton to Paisley, Sharon Kyle
- Paixhans, Antoinette to Pakenham, Hugh Horsburgh
- Pakenham, Hugh Richard Hercules to Pakenham, William, Lord Silchester
- Pakenham-Walsh, Alfred Ridley to Palam, Margaret
- Palamos, 23rd Conde de (José María) to Pallandt, Wilprand Baron von
- Pallandt-Culemborg, Elisabeth von to Palliser, Wray William Bury
- Pallot, Adward to Palmer, Caroline Sophia
- Palmer, Caroline Stella to Palmer, Emma
- Palmer, Emma to Palmer, James Nicholas
- Palmer, Jane to Palmer, Martha
- Palmer, Martha to Palmer, Sarah Wilfreda
- Palmer, Selina to Palmers-Needham, Katherine Elizabeth Theodora
- Palmerston, 1st Viscount, of Palmerston, co. Dublin (Henry) to Pankhurst, Rita Jacqueline
- Panmure, 1st Earl of (Patrick) to Papon, Jeanne
- Papoutsakis, Charalambos to Parcq, Marie du
- Parcq, Marie du to Paris, Gerhard I Comte de
- Paris, Grimgert Comte de to Park, William of that Ilk
- Park-Yates, Edmund Waldegrave to Parker, Anne
- Parker, Anne to Parker, Edward Henry Reginald
- Parker, Edward Hyde to Parker, Helinor Katherine
- Parker, Henrietta to Parker, Lindy Ruth
- Parker, Lisa Anne to Parker, Robert
- Parker, Robert to Parker, William, 7th Bt.
- Parker, William, 9th Bt. to Parkin, Jill
- Parkin, John to Parkyns, Jane
- Parkyns, Jane to Parnell, Barbara Jean
- Parnell, Bertram Damer to Parr, Johanna
- Parr, John to Parry, Bryn St. Pierre
- Parry, Caleb Hillier to Parshall, Ursula Mary
- Parshina, Natasha to Parsons, George McClellan
- Parsons, George McLellan to Parsons, unknown
- Parsons, unknown to Partridge, Walter
- Partridge, William Kenelm Thomas to Pasley, Robert Killigrew Sabine, 6th Bt.
- Pasley, Rodney Marshall Sabine, 4th Bt. to Paston, Gertrude
- Paston, Gertrude to Paterson, Charles William Spencer
- Paterson, Charlotte to Paterson, William, 1st Bt.
- Paterson-Balfour-Hay, Edmond de Hay to Paton-Smith, William Richard
- Patoun, Elizabeth to Patterson, Ronald Leslie
- Patterson, Rosamund Margaret to Pattullo, Simon
- Pattyn, Anne-Claude to Paul, Laura
- Paul, Laura Jane Elizabeth to Paulet, Joan
- Paulet, Joan Frederica Mathewana to Pauncefort-Duncombe, Sophia
- Pauncefort-Duncombe, Sophia to Paxman, Zena Binny Lavinia
- Paxton, Alexander James to Payne, Henrietta
- Payne, Henrietta to Payne-Gallwey, Linda Vera
- Payne-Gallwey, Lionel to Peachey, William
- Peachman, Marie-José Antoinette to Peake, Gillian Phyllida
- Peake, H. R. to Pearce, Lily Rose
- Pearce, Lily Sarah to Pearlstine, Maggie
- Pearlstone, Michael to Pearson, Colin Hargreaves, Baron Pearson
- Pearson, Constance to Pearson, Mark
- Pearson, Mark A. to Pease, Anne
- Pease, Anne Phillida to Pease, Rachel
- Pease, Rachel Hebe Philippa to Pechell, William Mortimer Charles
- Pechels, Jean Horace de to Pedersen, Walter Rendell
- Pederson, Jody to Peel, Augustus Robert Lawrence
- Peel, Barbara to Peel, Kevin John
- Peel, Kimberley Ann to Peet, Thomas Henry
- Peeters, Ann to Pelham of Stanmer, Thomas, co. Sussex
- Pelham, 10th Baronet, of Laughton, co. Sussex (Francis Godolphin) to Pelham, Sackville George, 5th Earl of Yarborough
- Pelham, Sarah to Pelle, Thomas Hanson
- Pellegrin, Florence to Pelly, Anthony Edward
- Pelly, Anthony John to Pelly, Guy Wignall
- Pelly, Gwenllian Violet to Pelly, Nicolette Jane
- Pelly, Nigel Christoper Grosvenor to Peltz, Sam
- Peltzer, Diana Wellesley to Pembroke, Countess of (Barbara)
- Pembroke, Countess of (Beatrice Eleanor) to Peninton, Alice
- Peniston, Alice to Pennefather, Frances
- Pennefather, Frances to Pennington, Jane
- Pennington, Jane to Pennycuick, Ruth
- Pennycuik, Janet to Penruddocke, Thomas
- Penruddocke, Thomas to Pepper, Karyn Jean
- Pepper, Kate to Pepys, Suzannah Mary Elizabeth
- Pepys, Sybil Venetia to Perceval, George
- Perceval, George Drummond Ince to Perci, Geoffroi de
- Percin Northumberland, Claude de to Percy, Edith
- Percy, Edith Eleanor to Percy, Rex H.
- Percy, Richard to Perfect, unknown wife
- Perfunowska, Agnieszka to Perkins, William Henry
- Perks, 1st Baronet, of Wykham Park, in the parish of Neithrop, in the county of Oxford (Robert William) to Perring, Thomas
- Perring, Thomas Edward Delano to Perry, George Murray
- Perry, George Walter to Perse, unknown daughter
- Persehouse, Hester to Persse, Frances Matilda
- Persse, Francis to Persse, Patrick
- Persse, Patrick to Pertwee, Tessa Elizabeth
- Perugia, Achille to Peschkowsky, Pavel Nicholaiyevitch
- Pesco, Mary Leslie to Peterken, Patrick James Littleton
- Peterkin, Alison Grant to Peterson, Hera
- Peterson, Ingrid to Petit, William le
- Petit-Thouars, Georges du to Petre, Baroness (Frances Charlotte)
- Petre, Baroness (Julia Mary) to Petre, Martin Anthony Chaworth
- Petre, Mary to Petrie, William Witon
- Petrie-Hay, Louise Cecilia Mary to Pettus, Thomas, 2nd Bt.
- Petty, Alexander to Peyronnet, unknown, Vicomte de Peyronnet
- Peyroux de Bastard d'Estang, Antoinette du to Peyton, Margaret
- Peyton, Margaret to Pfalz, Ludwig IV Kurfürst von der
- Pfalz, Ludwig Kasimir von der to Phayre, Robert Henry
- Phayre-Mudge, Albert Edward to Philbrick, Sarah Monica Loveday
- Philcox, Elizabeth to Philipps, Katherine Nina
- Philipps, Lara Helen to Philips, Katherine
- Philips, Kayte Johanna Alwine to Phillimore, Grace
- Phillimore, Grace Agnes to Phillips, Anthony Adrian
- Phillips, Anthony Bernard Moore to Phillips, Harrison
- Phillips, Harry Dudley to Phillips, Philip Alexander Solomon
- Phillips, Philip Esmonde to Phillpotts, Yvonne
- Philoll, Eleanora to Phipps, Gabriel James William
- Phipps, Geoffrey Allison to Phipps-Hornby, Evelyn Irene Sophie
- Phipps-Osborne, Nancy to Pich, Stefan
- Pichard, Henry to Pickersgill-Cunliffe, Thomas Ellis Thompson
- Pickett, Aileen Margaret to Picton-Turbervill, Wilfrid
- Picton-Warlow, Arthur to Piercy, Neil
- Piercy, Nicholas Pelham, 2nd Baron Piercy to Piers, Letitia Ellen Clayton
- Piers, Lewis to Pigot, Diana Gillian
- Pigot, Dorothy to Pigott, Honor
- Pigott, Hugh to Pigou, Mary Beatrice
- Pigou, Mary Eliza to Pilars, Jozef
- Pilars, Katarzyna to Pile, Walter Devereux
- Piles, Drusilla to Pilkington, Margaret
- Pilkington, Margaret to Pim, John
- Pim, John to Pinhey, Winthrop Molyneux
- Pinho de Oliveira, Monica to Pinsent, Ewen Macpherson
- Pinsent, Frances to Piper, Walter George
- Pipho, Frances to Pitcairn, William Andrew
- Pitcairn-Campbell, Alison Joan to Pitman, William Hugh
- Pitmedden, Lord (Alexander) to Pittis, Helen
- Pittman, Arabella May Fiona to Plantagenet, Elizabeth
- Plantagenet, Elizabeth to Platt, Pauline Mary
- Platt, Peter, 2nd Bt. to Playters, William, 2nd Bt.
- Playz, Hugh de to Plettenberg, Wolfgang Graf von
- Plettenberg-Lenhausen, Diethelm Reichsgraf von to Pleydell-Bouverie, Mark
- Pleydell-Bouverie, Martha to Plowden, Joyce
- Plowden, Joyce Chicheley to Plumer, William
- Plumer-Price, Beatrice Mary to Plunket, Charles Bushe
- Plunket, Charles Patrick Benjamin to Plunkett, Anthony Percy
- Plunkett, Antonia Susan to Plunkett, Mary Louisa (Lady)
- Plunkett, Mary Tevis to Pobjoy, Shirley Ann
- Poccianti, Carlo Lodovico to Poellnitz, Wilhelm Christian Gottlob Baron von
- Poer, 1st Count de la (Edmond James de Poher) to Poland, Gertrude of
- Poland, Gordana to Pole, Elizabeth
- Pole, Elizabeth to Pole, Samuel
- Pole, Sara Jane to Poliakoff, Vladimir
- Polianov, Alexander to Pollard, William Dutton
- Pollard-Urquhart, Adah Louisa Anne to Pollington of Longford, 8th Baron, co. Longford (John Christopher George)
- Pollington, Isabel to Pollock, Humphrey Rivers
- Pollock, Ida Dundas to Pollock, Zoë Deborah
- Pollock-McCall, Pamela Mary to Pomeroy, Esther
- Pomeroy, Esther Caroline to Poncelet, Paul
- Poncet, Louise du to Ponsonby, Emily Mary
- Ponsonby, Emily Priscilla Maria to Ponsonby, Rosamond Mary
- Ponsonby, Rosanna to Ponzoli, Virgil A.
- Pook, Caroline Elizabeth to Poole, Mary Anne
- Poole, Mary Copeland to Pooley, Stanley Ford
- Pooley, Stephana Rose to Pope, Arthur George
- Pope, Arthur William Uglow to Pope, Sara Caryl Beauchamp
- Pope, Sarah to Popoff, Serge
- Popovic, Marija to Portal, Constance Mary
- Portal, Constance Spencer to Porteous, Rosemary Mary Gordon
- Porteous, Samuel Thomas Le Fanu to Porter, John Bonsall
- Porter, John Brooke to Porter, Winifred Lilias
- Porter-Philips, Barbara Joan to Portman, Jack Christopher Berkeley
- Portman, Jago Alexander Berkeley to Portugal, João II de
- Portugal, João III de to Poswillo, Stephen David
- Pot, Anne, dame de La Rochepot to Potter, Esther
- Potter, Esther to Pottinger, William Jameson
- Pottle, Henry to Poulett, Margaret
- Poulett, Margaret to Pounden, Joshua John
- Pounder, Anne to Powell, Charles Folliott Borradaile
- Powell, Charles Herbert to Powell, Hugh
- Powell, Hugh to Powell, Richard
- Powell, Richard to Power, Catherine
- Power, Catherine to Power, John
- Power, John to Power, Robert James
- Power, Robert Victor to Powlett, Henrietta
- Powlett, Henrietta to Powys, Henrietta
- Powys, Henrietta Maria to Poyner, William
- Poynings, 1st Baron (Thomas) to Poyntz, Henrietta Emily
- Poyntz, Henrietta Maria to Poyntz, Thomas
- Poyntz, Thomas to Praschma, Isabella Maria Hedwig Gräfin
- Praschma, Jacqueline Marie Gräfin to Pratt, Henry Berens
- Pratt, Henry Hamilton to Prattent, Oliver Mowbray
- Prattley, Flora Elizabeth Alice to Prendergast, James FitzThomas
- Prendergast, James Henry (Lt.-Col.) to Prescott, Emily Harriette
- Prescott, Emma Elizabeth to Preston, Alice
- Preston, Alice to Preston, Hubert Anthony John
- Preston, Hubert Philip to Preston, Priscilla
- Preston, Raphael Chevallier to Pretor-Pinney, Violet Mary
- Pretorius, Bernard Christoffel to Preußen, Joachim Franz Humbert Prinz von
- Preußen, Joachim Friedrich Ernst Waldemar Prinz von to Preußen, Wilhelm Viktor Karl August Heinrich Sigismund Prinz von
- Preußen, Wilhelm-Karl Adalbert Erich Detloff Prinz von to Price, Amy Marcella
- Price, Andrew to Price, Elizabeth
- Price, Elizabeth to Price, John
- Price, John to Price, Rae Francis
- Price, Ralph to Price, Winifred Ethel
- Price, Winifred Ethel to Prideaux, Louisa
- Prideaux, Lucy Caroline to Priestman, William
- Priestner, Isaac to Primrose, Jean
- Primrose, Jennifer Diana to Pringle, Edith Margaret Holme
- Pringle, Edith Nancy to Pringle, Winifred Olive
- Prinkley, John to Prior-Wandesforde, Sarah
- Prior-Willeard, Joslyn to Prittie, Peter Rose
- Prittie, Rachel Sarah to Proby, Yvonne
- Probyn, Alice D'Alton to Proctor-Beauchamp, Rosalind
- Proctor-Beauchamp, Rosalind Emily Margot to Prouvost, Lucienne
- Prouz, John to Pryke, Marjorie
- Pryke, Mary Ann to Pryse, Mary
- Pryse, Mary to Pudsey, William
- Pue, Edward to Puleston, John
- Puleston, John to Pulling, William
- Pullinger, David Ryland to Purcell, Emily
- Purcell, Felix to Purdie, Thomas
- Purdin, Jane to Purser, Pamela Mary
- Pursey, Anne to Pusateri, Marilyn
- Pusey, Mary to Pye, Elizabeth Rose
- Pye, Fiona Jane to Pym, Juliet Caroline Fox
- Pym, Juliet Sylvia to Pyper, Zoë Marianne Clara
- Pypho, Robert to Quaile, William
- Quain, 1st Baronet (Richard) to Quayle, William
- Queenborough, 1st Baron, of Queenborough, co. Kent (Almeric Hugh) to Quicke, Thomas William
- Quickswood, 1st Baron, of Clothall, co. Hertford (Hugh Richard Heathcote) to Quin, Windham Henry
- Quin-Harkin, Anouska to Quintal, Alice Violet
- Quintal, Allen Heywood to Quintal, Harriet
- Quintal, Harriet Linda Ethel to Quintal, Priscilla
- Quintal, Priscilla Evelyn Martha to Quirk, Philip
- Quirk, Philip to Rabone, Walter H.
- Raboxicz, Joseph to Radcliffe, Everard
- Radcliffe, Everard Joseph, 5th Bt. to Radcliffe, William
- Radcliffe, William to Radloff, John
- Radmall, Arthur Clifford to Radziwill, Rose
- Radziwill, Roza to Raeburn, William Norman, 2nd Bt.
- Raeburn-Cowell, Christopher Richard to Raikes, Edith Mary Leonora
- Raikes, Edward Robert to Rainier, Peter
- Rainprecht, Antal von to Rake, Marianna Louisa
- Rakic, Alexander Minas Cedomir to Ralli, Margarita
- Ralli, Marguerite Christine to Ramage, unknown daughter
- Ramaix, Amaury Marie Joseph Edouard Paul Ghislain de to Ramsay, Alexander
- Ramsay, Alexander to Ramsay, Elizabeth Alexandra Mary of Mar
- Ramsay, Elizabeth Anne to Ramsay, John Charles Maule
- Ramsay, John de to Ramsay, Richard Patrick James
- Ramsay, Robert to Ramsbotham, Dorothy Helen
- Ramsbotham, Edith Henrietta Anne to Ramsden, Elizabeth Maud
- Ramsden, Elizabeth Sarah to Ramsden, Winifred
- Ramsden-Jodrell, Dorothy Lynch to Randall, Patrick Roland
- Randall, Peter to Ranelagh, Viscountess of (Sarah)
- Ranford, F. H. to Rankin, Peter William
- Rankin, Prudence to Raper, Walter
- Raphael, 1st Baronet, of Cavendish Square in the Metropolitan Borough of St. Marylebone (Herbert) to Rashleigh, Katherine
- Rashleigh, Kathleen to Rathbone, William Humphrey
- Rathborne, Anna Marie to Rattray, Thomas of Craighall-Rattray, 20th of Rattray
- Rattray, Thomas of Craighall-Rattray, 22nd of Rattray to Ravenshaw, Herbert Edward
- Ravenshaw, Hester to Rawdon-Hastings, Victoria Maria Louisa
- Rawe, James to Rawlins, William Wilberforce
- Rawlinson of Ewell, Baron, of Ewell in the County of Surrey (Peter Anthony Grayson) to Rawson, Wyatt
- Rawson-Butler, Henry Edmund to Raymond, William Maynard
- Raymond-Barker, Agnes Mary to Raywid, Joan Cécile
- Raywood, Nigel N. V. to Read, Henry
- Read, Herbert Edward to Reade, Francis
- Reade, Francis to Reader, Rebecca Claire
- Reader, Richard to Reardon-Smith, Susan Wight
- Reardon-Smith, Suzanne Ward to Redcliffe-Maud, Virginia Jean Furse (Hon.)
- Redd, Benoist Shields to Redgrave, Renée Franklin
- Redgrave, Richard to Redmond, Zara Leigh Pearl
- Redondo y Esperante, Maria de las Mercedes to Reed, Emma Sarah Annabel
- Reed, Ethel Mary to Rees, J. Myrddin
- Rees, Jacqueline Louise to Reeve, Harriet
- Reeve, Harry William John Briggs to Reeves, Michael N.
- Reeves, Michelle to Reid, Alice Mary
- Reid, Alison to Reid, Hugh of Springburn, 3rd Bt.
- Reid, Hughe Thelma to Reid, Noralyne Maxine
- Reid, Norman to Reignieur, Tom Samuel
- Reijnst, Johanna Sara to Reindorp, Violet Consatnce Maude
- Reine, Marie Pauline Geneviève to Remington, Winifred Emily
- Remington-Hobbs, Alexander Charles to Rendlesham of Rendlesham, Baroness (Mary Andalusia)
- Rendorp, Agatha Maria to Renshaw, Edward Chichester
- Renshaw, Elizabeth to Renwick, Eric Montague
- Renwick, Ethel to Retallack, William Charles
- Retana Gonzalez, Silvia Guadalupe to Reuss zu Köstritz, Xenia Prinzessin
- Reuss zu Lobenstein und Ebersdorf, Auguste Karoline Sophie Gräfin to Reweliotty, Sophia
- Rex, Carol to Reynolds, Catherine
- Reynolds, Catherine to Reynolds, Matteo
- Reynolds, Matthew Keith to Reynolds-Moreton, Matthew Henry
- Reynolds-Moreton, Maurice Fitzhardinge Reynolds to Rhodes, Jill
- Rhodes, Jocelyn to Rhys, William ap
- Rhys-Jones, Carol Phyllis to Riccardi, Vittoria
- Riccarton, Irene to Rice, Peter Langford
- Rice, Philip to Rich, Frederick Dampier
- Rich, Geoffrey Gordon to Richard, Richard fitz
- Richard, Richard fitz fitz Pons to Richards, Irene Mary
- Richards, J. to Richards, William Arthur
- Richards, William Ernest to Richardson, Elizabeth
- Richardson, Elizabeth to Richardson, John
- Richardson, John to Richardson, Ruth
- Richardson, Ruth Mary to Riche, unknown
- Richeburg, Jean de to Richmond-Watson, Gladys Gordon
- Richmond-Watson, Gwendolen Alice Dorreen to Ricketts, Augusta Georgina
- Ricketts, Augusta Henrietta Mary to Ricketts, Rosa Rebecca
- Ricketts, Rosalie Harriet to Riddell, Edward
- Riddell, Edward Alexander Buchanan to Riddell, Ralph John
- Riddell, Richard to Ridehalgh, William Smith
- Ridel, Geoffrey to Ridland, Rory William John
- Ridler, Colin to Ridley, Nicholas Mark
- Ridley, Nicholas William to Riemeyer, Martine Alice
- Riemsdijk, Adriaan Willem Gerrit van to Rigden, William
- Rigdon, Jane to Riley, Rupert Farquhar
- Riley, Russell to Ringrose, Timothy John
- Ringrose-Voase, Alexandra Marjorie to Ripper, Suzanne Elizabeth
- Rippert d'Alauzier, Marie-Alix du to Ritchie, Felicity Joyce
- Ritchie, Fiona to Ritson, Winifred Mary Milne
- Rittel, Jutta to Rivett, Thomas
- Rivett, Thomas to Riviere, Sarah
- Rivington, Alexander to Robarts, Vanessa Mary Anne
- Robathan, Andrew Robert George, Baron Robathan to Robens, Patricia
- Robert d'Aqueria, Catherine de to Roberts, Camilla Margaret Rose
- Roberts, Camilla Marguerite to Roberts, Georgina Ann
- Roberts, Georgina Graeme to Roberts, Katharine
- Roberts, Katharine Elizabeth I. to Roberts, Robert
- Roberts, Robert to Robertson, Alexander Cockburn
- Robertson, Alexander de Atholia, 9th of Lude to Robertson, David
- Robertson, David to Robertson, Henry Maxwell
- Robertson, Henry Robert to Robertson, Lindsay Margaret
- Robertson, Lionel to Robertson, Robert of Tullybelton
- Robertson, Robert Victor to Robertson-Glasgow, Zella Muriel Mary
- Robertson-Macdonald, Caroline Janet to Robinson, 9th Baronet, of London (Frederick Laud)
- Robinson, A. B. to Robinson, Christine Cecile Mimmi
- Robinson, Christopher to Robinson, Euphemia Cicely
- Robinson, Eustace to Robinson, J. T.
- Robinson, J. T. to Robinson, Madeleine Caroline
- Robinson, Madeline Josephine de Courcy to Robinson, Peter
- Robinson, Peter to Robinson, W.
- Robinson, W. to Robson, Florence
- Robson, Frederick Edwin to Roche, Bellamy
- Roche, Blanche de la to Roche, Thomas
- Roche, Thomas to Rochfort, Cecil Bayley
- Rochfort, Charity to Rochfort-Boyd, Sarah Jane
- Rochfort-Hume, Alice to Rodd, Peter Murray Rennell
- Rodd, Phyllis Caroline to Rodgers, Maud Mary
- Rodgers, Michelle D. to Rodney, William
- Rodney, William to Roe, William J.
- Roe, William James Lyon Thorne (Commander) to Rogers, Elizabeth
- Rogers, Elizabeth to Rogers, Olive André
- Rogers, Olive Yvonne to Rohan, Helen Louise de
- Rohan, Helene to Rokeby, Phyllis
- Rokeby, Ralph to Rolle, John
- Rolle, John to Rolleston, William Leslie
- Rolleston-Spunner, Charles to Rollo, unknown
- Rollo, unknown to Romanoff, Nicolas Christopher, Prince Romanov
- Romanoff, Nikita to Romanov-Ilyinsky, Victoria Bayard
- Romanova, Ekaterina Ioannovna, Princess of Russia to Romer, Wolfgang William
- Romer-Lee, Anthony James to Ronayne, William Crooke
- Roncallo, Maria Maddalena to Rooper, William
- Roos of Belvior, 1st Baron, co. Leicester (John James Robert) to Roper, Elizabeth
- Roper, Elizabeth to Roper-Curzon, George Henry
- Roper-Curzon, George Henry, 16th Baron Teynham to Rordorf und weitere, Mangold I von
- Rorer, Cecily Pauline Calvert to Roscommon, 9th Earl of (Robert)
- Roscow, Richard Barnes to Rose, Frances Theodora
- Rose, Frances Theodora to Rose, Luke
- Rose, Madeleine Katharen to Rose, Yvonne Charlotte
- Rose-Cleland, Agnes Elizabeth to Rosenburg, Max
- Rosendorff, Armgard to Ross Williamson, John Hugh
- Ross, 10th Earl of (Alexander) to Ross, Diane Terry
- Ross, Donald to Ross, Isabella Rose
- Ross, Ismay Catherine to Ross, Mary
- Ross, Mary to Ross, Zara Gail
- Ross-Brown, Jean Margaret to Rossiter, William Henry
- Rosslee, Alice Knightley to Rotherham, Thomas
- Rothermere, 1st Baron, of Hemsted, co. Kent (Harold Sidney) to Rothschild, James Amschel Victor
- Rothschild, James Armand Edmond de to Rothwell, William
- Rothé, Hadelin Pierre to Round, William
- Round-Turner, Ann D. to Rous, Nancye Maud
- Rous, Oliver Mowbray Abdel Rahman to Roussy de Sales, Reine Marie
- Routch, Ena Ezme to Rowan-Hamilton, Norah
- Rowan-Hamilton, Orfla Melita to Rowe, John Albert
- Rowe, John Edward to Rowlands, R. F.
- Rowlands, Ralph Thomas to Rowley, Geoffrey Anthony Gordon
- Rowley, George to Rowley, Winifred Mary Gertrude
- Rowley-Conwy, Amy Dawn to Roxburghe, Duchess of (Mary)
- Roxby, Edmund Lally to Royds, Rachel Helen
- Royds, Rachel Louisa to Ruchaud, Jeanine
- Rucinski, Joseph to Rudge, Sheila Mae
- Rudgeley, Barbara to Ruffin, Sue
- Ruffing, Catherina to Ruhr, Cora Jane
- Ruhrenstroth-Bauer, Gerhard to Rumbold, Zoe
- Rumboll, Christopher R. to Rundle, William John Scott
- Rune, Charles Malo, Marquis de Rune to Rushout, Rebecca
- Rushout-Bowles, Caroline to Russell Vick, Zinnia Mary
- Russell, 'the white Sir William' to Russell, Caroline
- Russell, Caroline Alicia Diana to Russell, Elizabeth
- Russell, Elizabeth to Russell, Harold John Hastings
- Russell, Harold Rodney to Russell, John Boss
- Russell, John Cecil to Russell, Mary
- Russell, Mary to Russell, Sarah Consuelo
- Russell, Sarah Elizabeth to Russell-Pavier, Christopher
- Russell-Roberts, Barbara Primrose to Rutherfoord, Thomas
- Rutherfoord, Thomas of Hunthill to Rutherford, Stella
- Rutherford, Susanna to Ruthven-Smith, Theophila Mary
- Rutland, 10th Duke of (Charles John Robert) to Rutzou, Shea Belle
- Ruulio, Markus to Ryan, Frances
- Ryan, Frances to Rycaut, Philip
- Ryche, Elizabeth to Ryder, Evelyn Georgiana
- Ryder, Evelyn Margaret to Ryder, Xanthe Veronica
- Ryder-Richardson, Anna to Rymer, Nicholas
- Rymond, Susan to Saalfeld, Ulrike Karin Baronin von
- Saalgau, Heimerich Graf im to Sacheverell, William
- Sacheverell-Bateman, Anna to Sachsen, Jutta
- Sachsen, Jutta von to Sachsen, Therese Maria Anna Prinzessin von
- Sachsen, unknown Graf aus to Sachsen-Coburg und Gotha, Prinz von (Ferdinand-Christian)
- Sachsen-Coburg und Gotha, Prinz von (Friedrich Josias Carl Edward Ernst Kyrill Harald) to Sachsen-Gotha-Altenburg, Wilhelm Prinz von
- Sachsen-Gotha-Coburg, Johann Casimir Herzog von to Sachsen-Merseburg, Sybil Marie von
- Sachsen-Neustadt, Dorothea Charlotte von to Sachsen-Weimar-Eisenach, Wilhelmine Auguste von
- Sachsen-Weissenfels in Barby, Georg Albrecht Herzog von to Sackville, William Herbrand, 10th Earl De La Warr
- Sackville, William Herbrand, 11th Earl De La Warr to Sadler, Martha
- Sadler, Mary to Sainsbury, Nora
- Sainsbury, Olive to Saint Maur, Nicholas, 1st Lord St. Maur
- Saint Michel, Alexander Merchant de to Sainthill, Wilmot
- Sainton, Barbara Catherine to Saldanha da Gama, Vasco de
- Saldanha de Sousa e Menezes, Maria de Jesus de to Salis, Margaretha de
- Salis, Maria Camilla de to Saller, Teresa
- Salles La Terriere, Francis James Bulmer de to Salm-Rheineck, Sophia von
- Salm-Salm, Adelheid Christiane Johanna Albertine Antonia Maria Prinzessin zu to Salm-Salm, XIII Fürst zu (Nikolaus)
- Salm-Wild, Christiane Franziska Eleanore zu to Salmond, Zucchi Philippa Jane
- Salmuth, Wolfgang Baron von to Salt, Thomas
- Salt, Thomas Anderton, 2nd Bt. to Saltykova, Proscovia Feodorovna
- Saltykovna, Anna Fedorovna to Salviati, Maria Immacolata
- Salviati, Maria Teresa to Sampson, Emily Almeria
- Sampson, Frances to Samuel, Louis
- Samuel, Louis to Samuelson, Yulia Sergeevna
- Samways, Angela Margaret to Sandbach, William
- Sandberg, Ada Wilhelmina to Sanders, John Kingsley
- Sanders, John William to Sanderson, Elizabeth
- Sanderson, Elizabeth to Sanderson, Zeyla Daphne
- Sandes, Alice to Sandhofer, Margareta Elisabeth
- Sandhurst of Sandhurst, 1st Baron, co. Berks (William Rose) to Sandilands, unknown
- Sandilands, unknown to Sandys, Anne
- Sandys, Anne Elizabeth to Sandys-Lumsdaine, Helen Cordelia
- Saner, Albert Elias to Sansom, Sheila Eileen
- Sansome, Phyllis Mae to Sapieha, Wladyslaw Jozafat
- Sapieha-Kodenski, Adam to Sarrell, Nieza
- Sarria, 11th Marqués de (Jacopo Francisco Eduardo) to Sassoon, Marguerite
- Sassoon, Marion Julia to Saulnier de Cherrières, Eudoxia
- Saulnier de Saint Jouan, Pierre Philippe Marie le to Saunders, Daisy
- Saunders, David George Bannerman to Saunders, Nicholas
- Saunders, Nicholas to Saurin, William
- Sauriol, Kelly May to Savage, Gerald Onslow
- Savage, Gerald Robert to Savile of Pomfret, 2nd Baron (Thomas)
- Savile of Rufford, 1st Baron, co. Nottingham (John) to Savile, John Charles George, 4th Earl of Mexborough of Lifford
- Savile, John Christopher George, 8th Earl of Mexborough of Lifford to Saville, William, 2nd Marquess of Halifax
- Savino, Candita to Savoia, Vittorio Emanuele di
- Savoia, Vittorio Emanuele I, Re di Sardegna to Sawday, Mary Violet
- Sawden, Benjamin to Saxe-Coburgo e Bragança, Philippe de
- Saxe-Wyndham, Cecily Marion to Sayers, William Higley
- Sayle, Jane to Sayn-Wittgenstein-Hohenstein, Wenzel Max Erbprinz zu
- Sayn-Wittgenstein-Hohenstein-Vallendar, Concordia Gräfin zu to Scally, Patrick
- Scamell, Daphne Edith to Scaramanga, Theodore Ambrose (Major)
- Scaramanga-Ralli, Constantine to Scarlett, William James Yorke
- Scarlett-Streatsfield, Sarah Penelope to Schaffgotsch, Sidone
- Schaffgotsch, Sofia Gräfin to Schaumburg-Lippe, Moritz Prinz zu
- Schaumburg-Lippe, Nadja Anna to Schenk von Stauffenberg, Valerie Sophie Gräfin
- Schenk von Winterstedt, Anna Magdalene to Schilizzi, Zanni
- Schill, Brigitte to Schleswig, Waldemar II Herzog von
- Schleswig-Holstein, Anna Cathrine of to Schleswig-Holstein-Sonderburg-Beck, Sophie Luise von
- Schleswig-Holstein-Sonderburg-Franzhagen, Christiane Elisabeth von to Schleswig-Holstein-Sonderburg-Glücksburg, Wilhelm Friedrich Christian Günther Albert Adolf Georg
- Schleswig-Holstein-Sonderburg-Glücksburg, Wilhelm Friedrich Herzog zu to Schmidt, Margaret
- Schmidt, Martina to Schnurbein, Stefanie Baronin von
- Schoales, Adam to Schomberg, Sarah
- Schomberg, Sophia Elizabeth to Schreiber, Louisa
- Schreiber, Margaret to Schultheiss, Johannes
- Schulthess-Rechberg, Eric Alex von to Schuyler, Philip Pieterse
- Schuyt, Adelaïde Frédérique Marie Pauline to Schwarzburg-Sondershausen, Wilhelmine zu
- Schwarzchild, Jacob to Schönborn-Buchheim, Vincenz Graf von
- Schönborn-Wiesentheid, Adalbert Joseph Maria Franz August Graf von to Schönburg-Hartenstein, Lily
- Schönburg-Hartenstein, Louise to Sclater, William Patrick
- Sclater-Booth, Amy Cicely to Scot, Walter
- Scot-Skirving, Ann Margaret to Scott, 5th Baronet, of Lytchet Minster, co. Dorset (Edward Henry)
- Scott, 5th Baronet, of Thirlestane (Francis) to Scott, Archibald Crauford
- Scott, Archibald Edward to Scott, Clare Olivia
- Scott, Claud to Scott, Elizabeth Isabella
- Scott, Elizabeth Jackson to Scott, Helen
- Scott, Helen to Scott, Janet
- Scott, Janet to Scott, Katherine
- Scott, Katherine to Scott, Mary
- Scott, Mary to Scott, Rachel Estelle
- Scott, Rachel Letitia to Scott, Sybil Mary Gella
- Scott, Sybil Maud to Scott, William
- Scott, William to Scott-Lauder, unknown daughter
- Scott-MacKirdy, Angela Mary to Scrimgeour, Isabella Frances
- Scrimgeour, James to Scrope, Simon
- Scrope, Simon to Scubla, Zannina
- Scudamore, 1st Viscount (John) to Seafield, Viscountess of (Anne)
- Seaford of Seaford, 1st Baron, co. Sussex (Charles Rose) to Seale, William Thomas Carteret
- Seale-Hayne, Charles to Searle, Yvonne Victoria
- Searle-Grey, Jacquetta J. to Sebright, Eleanor
- Sebright, Elizabeth to Seddon, Zoe Louisa
- Seddon-Brown, Cynthia Mary Caroline to Seeliger, Martha Emma
- Seelleur, John le to Segar, unknown
- Segard, Micheline to Seilern und Aspang, Marie Henriette Gräfin von
- Seilern und Aspang, Marie Magdalena Fatima Elisabeth Servatia Balthasara to Selby-Bigge, Ruth
- Selby-Green, John to Selincourt, Nicola de
- Selizarder, Ana Lauruana to Selwood, Thomas
- Selwyn Sharpe, Edward Roger Wylde to Sempill, Robert
- Sempill, Robert to Septvans, William
- Sepulveda Rodriguez, Maria I. de to Serjeantson, William
- Serjeantson, William Leedes to Sessions, Timothy Martin Blair
- Sessions-Hodge, Abigail Theodora to Seton, Elizabeth
- Seton, Elizabeth to Seton, Miles Charles
- Seton, Ninian, 3rd of Touch to Severne, Thomas
- Severo Isasmendi Gimson, Nicolás to Sexton, Thomas
- Sexty, George to Seymour, Charles Thomas George
- Seymour, Charles William to Seymour, George Raymond
- Seymour, George Turner to Seymour, Mabel
- Seymour, Mabel Constance to Seymour, William
- Seymour, William to Shackleton, John
- Shackleton, John to Shafto, Sybil Boyter
- Shaghcrosse, Bob to Shakespear, Martha
- Shakespear, Mary to Shand, Michael Lewis
- Shand, Neil Hodgson to Shardelowe, Robert
- Share, Edith to Sharp, Helen
- Sharp, Helen to Sharpe, Jane
- Sharpe, Jane to Shaughnessy, William James, 2nd Baron Shaughnessy
- Shaumburg-Lippe, Sophie Charlotte Gräfin zur to Shaw, Cyril Parkinson
- Shaw, David to Shaw, Henry
- Shaw, Henry to Shaw, Lucinda Frances
- Shaw, Lucinda Sophie to Shaw, Sarah
- Shaw, Sarah to Shaw-Stewart, Guy Philip
- Shaw-Stewart, Harriet Nina to Shawzin, Leonard
- Shay, Irene Murial to Sheehan, William
- Sheehy, Anne to Sheffield, Robert
- Sheffield, Robert to Shelbourne, Tatiana Francesca Sophia
- Shelburne, 10th Earl of, co. Wexford (Charles Maurice) to Shelley, Amy
- Shelley, Andrew Thomas Rupert to Shelley, Timothy James
- Shelley, Timothy, 2nd Bt. to Shepard, William Peter
- Sheperd, Gwladys Sigrid to Shepherd, Thomas
- Shepherd, Thomas Dowkere to Shepperd, William Frank Bonner
- Shepperson, Edith Ann Beamish to Sherbrooke, William
- Sherburne, 1st Baronet, of Stonyhurst, Lancashire (Nicholas) to Sheremetev, Yekaterina Aleksyeevna
- Sheremetev, Yekaterina Aleksyeevna to Sheridan, Vernon Adolphus
- Sheridan, Vincent to Sherston, John
- Sherston, John to Shewell, Mary M.
- Shewell, Millicent to Shiffner, Mary
- Shiffner, Mary to Shipley, William Davies
- Shipley-Conwy, William to Shirley, George (Sir)
- Shirley, George Sewallis Peter to Shirton, Thomas
- Shishe, John to Shoppee, Elizabeth
- Shoppee, Elizabeth to Shoppee, Sarah Ann
- Shoppee, Sarah Anne to Shorrock, Wynefred Nancy
- Short, Alan to Shoubridge, Zara
- Shouldham, Caroline to Shuckburgh, John
- Shuckburgh, John to Shute, Margaret Frances Emily Muriel
- Shute, Maria Isabella to Shuttleworth, William Richard Ashton
- Shuvalov, Pyotr Pavlovich (Count) to Siddeley, Muriel
- Siddeley, Nancy Mabel Mercer to Sidney, Robert
- Sidney, Robert to Sikka, Prem Nath, Baron Sikka
- Siklóssy von Pernesz, Georgina Isabella Maria to Silva-Fernández de Hijar y Palafox, Maria Teresa de
- Silva-Tarouca, Amadeus Graf von to Simcock, Nellie Maude
- Simcocks, Amy Randolph to Simey, Margaret
- Simey, Margaret Bayne to Simms, Nancy Lynn
- Simms, Oscar James to Simonds, Margaret Enid
- Simonds, Mary to Simpson, Charles Frank
- Simpson, Charles Gilbert to Simpson, Jane
- Simpson, Jane to Simpson, Thomas
- Simpson, Thomas Allen to Sinclair, Agnes
- Sinclair, Agnes to Sinclair, Elizabeth
- Sinclair, Elizabeth to Sinclair, James
- Sinclair, James to Sinclair, Madeleine Gabrielle
- Sinclair, Madelina to Sinclair, Susan Catherine Beresford
- Sinclair, Susan Hay to Singer, Simeon (Reverend)
- Singer, Stephanie Elise to Sinker, Robin Francis
- Sinkinson, James Alexander to Sitwell, Julietta Fisher
- Sitwell, Laura Barbara to Skeet, unknown
- Skeete, Agnes to Skelton, unknown (Colonel)
- Skelton, unknown daughter to Skerret, Thomas
- Skerrett, Anthony to Skinner, Herbert
- Skinner, Hester to Skipwith, Althea Kathleen Joyce
- Skipwith, Amber Louise to Skipwith, Marianne
- Skipwith, Marjory to Skovgaard, Ruth
- Skowronski, Alexia de to Slade, Anne Catherine
- Slade, Annette to Slade, William Hicks
- Slade, Wyndham to Slater, Marjorie Evelyn
- Slater, Mark to Sleight, Nicholas Edward
- Sleight, Peter to Sloane, Lila Vanderbilt
- Sloane, Malcolm Douglas to Smail, Walter John
- Smailes, Basil Thomson to Smallwood, William
- Smart, Agnes to Smigel, Walter
- Smiith-Pert, Doreen Mary to Smith Cuninghame, William Wallace, 16th of Caprington
- Smith de Heriz, Clara to Smith, Alexander Stewart
- Smith, Alexander Stoton to Smith, Anne
- Smith, Anne to Smith, Bridget Mary
- Smith, Bright to Smith, Charlotte Elizabeth
- Smith, Charlotte Elizabeth to Smith, Doris Gertrude
- Smith, Doris Lindsay to Smith, Elizabeth
- Smith, Elizabeth to Smith, Ethel Margaret
- Smith, Ethel Marion to Smith, George
- Smith, George to Smith, Harriett Whitefoord
- Smith, Harriette to Smith, Isabel Vera
- Smith, Isabell to Smith, Jessica Jane
- Smith, Jessica Leanne to Smith, Judith Anne
- Smith, Judith Carol to Smith, Louisa Catherine
- Smith, Louisa Constance to Smith, Martha
- Smith, Martha to Smith, Michael
- Smith, Michael to Smith, Philip
- Smith, Philip to Smith, Ronald Christian
- Smith, Ronald Crawford Ferguson to Smith, Stokes Jerome (Dr.)
- Smith, Stuart Alfred to Smith, unknown child
- Smith, unknown child to Smith, William Wilkinson
- Smith, William, 1st Bt. to Smith-Marriott, John Richard Wyldbore, 7th Bt.
- Smith-Marriott, Julia Elizabeth to Smithwick, Peter Alexander
- Smithwick, Robert to Smyth, Christopher Charles
- Smyth, Cicely Mildred O'Carroll to Smyth, Lanette Mae
- Smyth, Lavinia to Smyth, Williamina Catherine
- Smyth-Blood, Dorothea to Smythe, Susan Renton
- Smythe, Susie to Snell, Edith Mary
- Snell, Edmund George Frederick to Sneyd, Penelope
- Sneyd, Phillis to Snow, Joan Monica
- Snow, John to Snoyman, Lynne
- Snyder, Alexandra Marie to Soberton, 7th Baron, of Soberton, co. Southampton (Thomas William Robert Hugh)
- Sobieski, Aleksander Benedykt to Solms-Baruth, Friedrich Sigismund II graf zu
- Solms-Baruth, Friedrich Wilhelm Ferdinand Fürst zu to Solms-Wildenfels, Kristin Gräfin zu
- Solodkoff, Alexander von to Somers, William
- Somers-Cocks, Adeline Marie to Somerset, Elizabeth
- Somerset, Elizabeth to Somerset, Louisa Elizabeth
- Somerset, Louisa Isabella to Somerton of Somerton, 7th Baron, co. Kilkenny (James Shaun Christian Welbore Ellis)
- Somerton, 1st Viscount (Charles) to Somerville, Judith Margaret
- Somerville, Julia Frances to Sommerin, Susan Mary
- Sommerlath, Carl August Walther to Sorel, Thomas Stephen
- Sorel-Cameron, Agnes to Sotheby, Mary
- Sotheby, Mary to Soumarokoff-Elston, Zenaida Pawlowna
- Sounders, John to Southcote, Katherine
- Southcote, Magdalene to Southwell, Catherine
- Southwell, Catherine to Southworth, Thomas Edward
- Soutry, Anne Yolande Tranter to Spaight, William FitzHenry
- Spaigne, Margaret de to Sparks, William Xavier Pratt
- Sparks-Wilson, Ruby to Spearman, Horace Layton
- Spearman, Horace Ralph to Spee, Pauline Agnes Marie Gräfin von
- Spee, Pauline Gräfin von to Speke, William
- Spellman, Kathleen to Spencer, Algernon
- Spencer, Alice to Spencer, Florence Mary
- Spencer, Frances to Spencer, Margaret
- Spencer, Margaret Georgiana to Spencer, Zoë Diana
- Spencer-Booth, Reginald George to Spencer-Smith, Sotiria
- Spencer-Stanhope, Alice Mildred to Spens, Jeanne de Saulx
- Spens, Jessie Hannah Elizabeth, 5th of Craigsanquhar to Sperling, Nicholas Anthony
- Sperling, Nora to Spiegelberg, Mary Rose
- Spiegelfeld, Graf von (Alexander) to Spink, Timothy Mark Christopher
- Spinkes, Elmer to Spooner, unknown
- Spooner, Victoria Emily Barbara to Spread, Charles Henry Deane
- Spread, Charlotte to Spring Rice, Joan
- Spring Rice, John Herbert to Springett, William Samuel Pitt
- Springfield, George Osborn to Spurr, Susannah
- Spurrell, Jennifer Mary to Squires, William Lawrence
- Squirl-Dawson, Janis Mary to St. Aubyn, Thomas
- St. Aubyn, Thomas to St. Clair, Rodney Samuel
- St. Clair, Roman George to St. George, Clifford Fortescue Loftus
- St. George, Constance June to St. George, Richard
- St. George, Richard to St. John, Alexander Andrew
- St. John, Alexander Bolingbroke to St. John, Emily Jane Georgiana
- St. John, Emily Murray to St. John, Katharine Elinor Margaret
- St. John, Katharine Mary to St. John, Robert, Seigneur de St. Jean-le-Thomas
- St. John, Robin to St. John-Mildmay, Marion
- St. John-Mildmay, Mary to St. Leger, Elizabeth
- St. Leger, Elizabeth to St. Martin, Judith
- St. Mary, Jordan de to St. Stephens, William T.
- St. Tyner, George to Stacpoole, Christian
- Stacpoole, Christiana to Stacpoole, Philip
- Stacpoole, Philip to Stafford, Berkeley Buckingham
- Stafford, Berkeley Buckingham Howard to Stafford, Thomas
- Stafford, Thomas (Reverend) to Stair, Alastair Arthur
- Stair, Alfred to Stamer, William, 1st Bt.
- Stamford, 10th Earl of, co. Lincoln (Roger) to Stancomb, William
- Stancombe, David to Stanes, Unknown Child
- Stanfeld, Caroline Charlotte to Stanhope, Elizabeth
- Stanhope, Elizabeth to Stanhope, Wyndham Edward Campbell
- Stanhope-White, J. P. to Stanley, Beryl
- Stanley, Bessie to Stanley, Henrietta Margaret
- Stanley, Henrietta Maria to Stanley, Nellie Kate
- Stanley, Nicholas Austhwaite to Stannard, unknown
- Stannard, William to Stanton, Joyce Mary
- Stanton, Julia to Staples, Timothy Paul
- Staples, unknown to Stapleton, Mary Augusta Blanche
- Stapleton, Mary Catherine to Starhemberg, Luise Franziska von
- Starhemberg, Maria Antonia Gräfin von to Starkie, William
- Starky, Alice to Staunton, William
- Staunton-Lambert, Alice Mary to Stawell, William Palmer
- Stawell, William St. Leger Alcock to Steeb, Wolfgang Freiherr
- Steed, Alexandra M. to Steel, William Oliver
- Steele, 1st Baronet (Richard) to Steen, Victoria Pauline
- Steen-Nielssen, Carol Mary to Steinberg, Wilhelmine Louise von
- Steineck, Karl to Stenham, Sheila Marian
- Stenhouse, Agnes to Stephens, Catherine
- Stephens, Catherine Kitty to Stephenson, Charlotte J.
- Stephenson, Chiara to Stephenson, William Sidney
- Stephenson, William Walter to Stern, Wendy
- Sternau und Hohenau, Elisabeth Gräfin von to Steuart, Frederick Jeffray
- Steuart, George to Stevens, Barbara Mary J.
- Stevens, Barbara Vivienne to Stevens, P. F.
- Stevens, Pamela Anne to Stevenson, G. G.
- Stevenson, Gavin to Stevenson, Robert
- Stevenson, Robert to Steward, William
- Steward, William to Stewart, Alexander
- Stewart, Alexander to Stewart, Anne
- Stewart, Anne to Stewart, Catherine Porterfield
- Stewart, Catherine Stewart to Stewart, Duncan, 1st of Strathgarry and of Inverhadden
- Stewart, Duncan, 2nd of Appin to Stewart, Evelyn
- Stewart, Evelyn Frances to Stewart, Henry
- Stewart, Henry to Stewart, James Haldane
- Stewart, James Henderson to Stewart, Jessie Charteris
- Stewart, Jessie E. to Stewart, Katherine
- Stewart, Katherine to Stewart, Margaret
- Stewart, Margaret to Stewart, Mary, Countess of Buchan
- Stewart, Mary, Countess of Menteith to Stewart, Robert Christie
- Stewart, Robert Dunlop to Stewart, unknown (General)
- Stewart, unknown daughter to Stewart, William James
- Stewart, William Lindsay to Stewart-Patterson, Donald Iain Edward
- Stewart-Richardson, Alastair Lucas Graham to Stickney, William
- Stidolph, Agnes to Stinnear, John
- Stinson, Clare Philomena to Stirling, Elizabeth
- Stirling, Elizabeth to Stirling, Margaret
- Stirling, Margaret to Stirling, Zoë N. M.
- Stirling-Aird, Anna E. to Stobart, Phillippa
- Stobart, Ralph to Stockdill, Willena Jean Stuart
- Stocken, A. to Stocton, Richard Fitz Henry de
- Stodart of Leaston, Baron, of Humble in the District of East Lothian (James Anthony) to Stoker, W.
- Stokes, 1st Baronet (George Gabriel) to Stokowski, Sonia
- Stolberg, Sofie Eleonore Gräfin von to Stolberg-Wernigerode, Emma Prinzessin zu
- Stolberg-Wernigerode, Felicitas Prinzessin zu to Stone, Katharine Madeleine Lestrange
- Stone, Katherine to Stoney, Catherine
- Stoney, Catherine Jane to Stoney, Rebecca
- Stoney, Rebecca Anne to Stonhouse, Vansittart Henry Pottinger
- Stonhouse, William to Stonore, Robert de
- Stonyer, Adrienne to Stopford, Ethelreda
- Stopford, Eveleen Emily to Stopford, Una Catherine Daly
- Stopford, unknown to Stormont, William David
- Stormonth Darling, Andrew Charles John to Stott, Mary
- Stott, Mary to Stourton, Henry Matthew
- Stourton, Herbert Marmaduke Joseph to Stow, William
- Stow, William to Stracey-Clitherow, Winifred
- Strachan, 6th Baronet (Richard John) to Strachey, James Beaumont
- Strachey, Jane to Stradling, Gilbert
- Stradling, Gwenlian to Stramentov, Moira Janet Albinia Allport
- Stranack, Algernon John Harington (Major) to Strang, Xenia Vivienne Maxwell
- Strangam, Edith to Strange, William Jefferys
- Strange, William Lumisden to Stratford, William
- Strath, Arthur to Strathtay and Strathardle, 9th Earl of, co. Perth (James Thomas)
- Straton, Alexander Walter Keith to Straubenzee, William van
- Strauch, Bertha to Street, Yvonne
- Streete, Elizabeth to Strickland, Evelyn Judith
- Strickland, Fanny Cecelia to Strickland, Winifred Alice
- Strickland-Constable, Charles to Strode, Mary Ann
- Strode, Mary Hutchings to Stronge, William
- Stronge, Winifred Elizabeth Charlotte to Strutt, Ebba
- Strutt, Edward Alexander to Stuart de Decies, Baroness (Theresia Pauline)
- Stuart de Rothesay, 1st Baron, of the Isle of Bute (Charles) to Stuart, Blanche Wilma
- Stuart, Brenda Claire to Stuart, Elizabeth Frederica
- Stuart, Elizabeth Helen to Stuart, James William Burleigh
- Stuart, James, 1st and last Duke of Cambridge to Stuart, Marie
- Stuart, Marie Adelaide to Stuart, Thomas
- Stuart, Thomas to Stuart-Menteth, James Sleigh
- Stuart-Menteth, James Wallace to Stubbs, Patricia Harrington
- Stubbs, Paul to Stubenberg, Maria Antonia Charlotte Herrin und Gräfin von
- Stubenberg, Maria Barbara Herrin und Gräfin von to Stucley, William Lewis, 2nd Bt.
- Studd, 1st Baronet, of Netheravon, co. Wilts (John Edward Kynaston) to Studdert, Charles Henry
- Studdert, Charles Henry Thompson to Studdert, Ion
- Studdert, Ion to Studdert, Maurice Eyre Persse
- Studdert, Mavis Joan to Studdert, Yvonne
- Studdy, Anita Georgina Edith to Stumm, Vera von
- Stummer, Anne-Marie to Sturm, Virginia Joan
- Sturman, Elizabeth to Style, Charles, 6th Bt.
- Style, Charlotte to Style, William Montague, 12th Bt.
- Styleman le Strange, Ada to Suckling, Wybrew Flora
- Sucre, Luis Perez to Suffolk, Countess of (Susannah)
- Suffolk, Duchess of (Mary Rose) to Sullivan, Ellen
- Sullivan, Ellen Patricia to Sulyard, Margaret
- Sulyard, Margaret to Summerskill, Wis
- Summerson, Margery to Sunderland, Violet
- Sunders, Alice Ellen to Surrey, H. G.
- Surriage, Agnes to Sutcliffe, Theresa Jean
- Sutcliffe, Thomas to Sutherland, Evan Charles
- Sutherland, Eveline Betty to Sutherland, Sophia Dunbar Gordon
- Sutherland, Stanley to Sutton, Catherine
- Sutton, Catherine de to Sutton, Jessie Constance
- Sutton, Joan to Sutton, Tracy Louise
- Sutton, Tristan Antony to Swabey, William
- Swabia, Duke of (Conrad) to Swan, St. John
- Swan, Stewart FitzAlleyne to Swanwicke, Jane
- Swarbrick, James Graeme to Sweeney, Vivian Mary Raymonde
- Sweeny, Abraham Jones to Swetenham, Violet Hilda
- Swett, Tamie to Swinburne, Julia Vertue
- Swinburne, Margaret to Swinton, Elizabeth Dorothy
- Swinton, Ellen Schroeleu to Swiny, William Molyneux Shapland
- Swire, Ada Mabel to Sydenham, John
- Sydenham, John to Sykes, Beatrice Marjorie
- Sykes, Belinda Susan to Sykes, Leila Flowerdew
- Sykes, Leslie Grey to Syme, Mildred
- Syme, Nancy to Symonds, William Samuel
- Symondson, Alexandra Mary Catherine to Synge, Elizabeth
- Synge, Elizabeth to Synnott, William
- Synton, Alexander de to Széchényi, Katrin-Elizabeth Gräfin
- Széchényi, Larissa to Taaffe, William, Viscount Taafe
- Taalman, Dorothy Tania Jane Grey to Tahany, Caroline Anne
- Tahere, Hoana Mae to Tait, Zara Mary
- Taite, Caroline Rachel to Talbot, Anne
- Talbot, Anne to Talbot, Elizabeth
- Talbot, Elizabeth to Talbot, John
- Talbot, John to Talbot, Milo George
- Talbot, Milo John Reginald, 7th Baron Talbot of Malahide to Talbot, Winifred
- Talbot-Crosbie, Allan Hamilton to Talmadge, Thomas Hunt
- Talmage, Gwendoline Phyllis to Tancred, Mary Anne
- Tancred, Mary Harriet to Tanner, Isabella
- Tanner, James Thomas to Tarassenko, Simon Robert Serge
- Tarazona, 4th Marquesa de (Catalina Ventura) to Tartaglia, Susan Ruth
- Tartaglio, Barbara Anne to Tate, Maud Giffard
- Tate, Maybird Constance to Tatton, William
- Tatton-Brown, Adela Charlotte to Taverner, unknown
- Taverson, Isabella to Taylor, Andrew
- Taylor, Andrew Bracey to Taylor, Christine Maree
- Taylor, Christopher to Taylor, Elsie Violet
- Taylor, Emilie Elizabeth to Taylor, Helen
- Taylor, Helen to Taylor, John
- Taylor, John to Taylor, Margaret Hill
- Taylor, Margaret Inez to Taylor, Peter
- Taylor, Peter to Taylor, Susan Margaret
- Taylor, Susan Mary to Taylor, Zanthe Fiona Margaret
- Taylor-Belmont, Jasper Archibald to Teale, William John Macdonald
- Teale-Jones, Craig Lee, 32nd Lord of Shearston to Teeling, William
- Teer, Daniel to Tellwright, William Kirkland
- Temes, Adela to Tempest, Susan
- Tempest, Susanna Pritchard to Temple, June ELizabeth
- Temple, Katherine to Templeman, Thomas John
- Templeman-Beet, Shaun Edward to Tenhaeff, Paul Hugo
- Tenison, Airling Robin to Tennant, Mabel
- Tennant, Margaret to Tennyson, Yvonne
- Tennyson-d'Eyncourt, 1st Baronet, of Carter's Corner Farm, in the parish of Hurstmonceaux, co. Sussex (Eustace Henry William) to Terry, Louis Thomas
- Terry, Lucinda Ann to Teulon, Maria
- Teunenbroek, Henriette van to Thackeray, William Makepeace
- Thackery, Amy to Thatcher, William
- Thatcher, William Arthur Norman to Theobald, Robert Gascoyne
- Theobald, Sarah to Thewes, Stella Rose
- Thewles, Emma to Thirkell-Cooper, Erica
- Thirkil, Rebecca to Thomas, Baron, of Remenham in the Royal County of Berkshire (William Miles Webster)
- Thomas, Bartholomew to Thomas, Enid
- Thomas, Enid Helena to Thomas, Jane
- Thomas, Jane to Thomas, Mary Elizabeth
- Thomas, Mary Elizabeth to Thomas, Sybil Margaret
- Thomas, Sydney Frances to Thomlinson, William Ashbridge
- Thomond of Taplow, 1st Baron, co. Bucks (Murrough) to Thompson, Caitlin Adriana
- Thompson, Carlos to Thompson, Emma Clare Roebuck
- Thompson, Emma Frances to Thompson, Jane
- Thompson, Jane to Thompson, Mary
- Thompson, Mary to Thompson, Rufus
- Thompson, Rupert Alexander Robert Neale to Thompson, Zane
- Thompson-Butler-Lloyd, Demetrius to Thomson, Christina
- Thomson, Christopher Birdwood, Baron Thomson to Thomson, Jean Steele
- Thomson, Jenifer Kirsty to Thomson, Sophia Catherine
- Thomson, Spencer Aubrey to Thornborough, William
- Thornburgh, Alice to Thornewill, Joanna Lilian
- Thornewill, John to Thornhill, William Johnson
- Thornholme, John to Thornton, Jolyon Kenneth
- Thornton, Joseph Tyne to Thorold, Alice Alicia Anne
- Thorold, Alice Fanny Isabella to Thorold, Margaret
- Thorold, Margaret to Thorp, William
- Thorpe, Albert Parsons to Threlfall, William James
- Threlkeld, Anne to Throckmorton, Mowbray Nicholas
- Throckmorton, Muriel to Thurgau, Warin Graf im
- Thurgood, Alison Siân to Thurn und Taxis, Karl Wilhelm Prinz von
- Thurn und Taxis, Karoline Prinzessin von to Thursby, Margaret Emily
- Thursby, Margaret I. to Thykier, Sven Christopher Stael
- Thyknes, Nicholas de to Thynne, Ulrica Maria Teresa
- Thynne, Ulrica Marjory to Ticey, Roy
- Tichborne, 10th Baronet, of Titchborne, co. Southampton (James) to Tidd, Phillis
- Tiddy, Bertha J. to Till, W. T.
- Till, William to Tilney, William Arthur
- Tilson, Alice to Tindal, Nicholas Conyngham
- Tindal, Nicolas to Tippet, Winifred Mary
- Tippett, Amy to Tissot, Marquerite
- Tissot-Demidoff, Alexandre to Tod, George
- Tod, George Russell to Todd, William Utten
- Todd-Thornton, Alice Elizabeth to Tolhurst, Shelagh
- Tolich, Neda Beatrice to Tollemache, Hugh
- Tollemache, Hugh Ernest to Tollemache-Tollemache, Timothy Miles Saxon
- Tollenaar, Audrey Diana to Tomes, Yvonne Ann
- Tomkin, Alastair Peter Royce to Tomlinson, Willis
- Tomlyn, Ann to Tonnes, William
- Tonnet, Florence Millicent to Topgyal, Tsewang
- Topham, Anne Martha to Torliffe, Stafford
- Torlonia, Alessandro, 5th Principe di Civitella-Cessi to Torrey, Samuel Davenport
- Torriano, Dorothy to Tottenham, Clementina Isabel
- Tottenham, Cornwallis George Loftus to Touche, William George, 4th Bt.
- Touchet, Ann to Toussoun, Nabil Hassan
- Toustain, Florence, Vicomtesse de Toustain to Towle, William
- Towler, Frederick James Edward to Townes, Scott
- Towneshend, Anne to Townsend, David
- Townsend, David Charles Humphrey to Townsend, Helen
- Townsend, Helen to Townsend, Lonita
- Townsend, Louis Percival to Townsend, Rosanna Campbell
- Townsend, Rose to Townshend, Amelia
- Townshend, Amelia Dorothea Harriett to Townshend, Horace Webb
- Townshend, Horatio to Townshend, Zane Colin
- Townshend-Forester, Cecil Townshend to Tracy, Horace
- Tracy, Humphrey to Trafford, Hubert Edmund Francis de
- Trafford, Hubert George Joseph de to Trail, Margaret Black
- Trail, Marion to Trant, William Henry
- Tranter, Beatrix Violet De Vere to Trauttmansdorff-Weinsberg, Michael Graf von und zu
- Trauttmansdorff-Weinsberg, Monika von to Travis, John
- Travis, Judith Cordery to Tree, Viola
- Treen, Gunilla K. K. to Tregoning, Wynn Harold
- Tregonwell, Anne to Trelawny, William Williams
- Trelawny, William, 6th Bt. to Trench, Blanche Emily
- Trench, Blanche Helen to Trench, Frederick, 1st Baron Ashtown
- Trench, Fredrick to Trench, Mary Phoebe Gertrude
- Trench, Mary Power to Trench-Gascoigne, Yvonne
- Trench-McMahon, Fiachra Terence Wilbraham to Tresham, William, 2nd Bt.
- Tresidder, Edward Stanley to Trevelyan, Evangeline Mary Frances
- Trevelyan, Evelyn Helena to Trevelyan, unknown daughter
- Trevelyan, unknown daughter to Trevor, Magdalen
- Trevor, Magdalene to Trewhella, Vittoria Vivien
- Trewhitt, Alice Jefferson to Trimlestown, Baroness (Muriel)
- Trimmer, Anthony to Tritton, Anne
- Tritton, Anne to Tritton, Zoë E.
- Trivett, Anne to Trollope, Mary Ann
- Trollope, Mary Ann Sybil to Trotter, Asia Brooke
- Trotter, August Albert Brooke to Troubetzkoy, Zenaide
- Troubetzkoya, Helene Petrovna to Trowbridge, Vincent Charles William (P/O)
- Trowell, Emma Maria to Truelove, unknown
- Trueman, Alfred to Trussell, Thomas
- Trussell, Ulric L. to Tubau Gamble, Monica Isabel
- Tubb, Cicely Marion to Tucker, Denise Margery
- Tucker, Dennis to Tucker, Mary Anne Rachael
- Tucker, Mary Auchmuty to Tuddenham, Thomas
- Tudhope, Edgar Dryden to Tufnell, Hugh Carleton Charsley
- Tufnell, Ian to Tugwell, William
- Tuhey, Angela Claire to Tullibardine, 9th Earl of (John George)
- Tullibardine, Countess of (Anne) to Tunstall, William
- Tunstall-Kitching, Gertrude Louise to Turgoose, William Willoughby
- Turi, Giovanna to Turnbull, George
- Turnbull, George to Turner, Arthur Nicholas Stuart
- Turner, Arthur Whichcote to Turner, Elizabeth Ann
- Turner, Elizabeth Ann Ovelin to Turner, James Hargreaves
- Turner, James Illingworth to Turner, Mary
- Turner, Mary to Turner, Sophia Jane
- Turner, Sophie Mae to Turnor, Gillian Yolande
- Turnor, Gladys to Turpin, William Augustus
- Turquand, Eliza to Tussaud, Michael J.
- Tutbury, Eric C. to Tweeddale, Marchioness of (Susan)
- Tweeddale, Marchioness of (Susanna) to Twibill, Margaret
- Twickel, Alexander Rudolph Ferdinand Nicolaus Zdenko Baron von to Twining, William Peter Joseph
- Twinning, Anne to Twisleton-Wykeham-Fiennes, Ivo Murray, 14th Baron Saye and Sele
- Twisleton-Wykeham-Fiennes, Jacob Mark to Twogood, unknown
- Twombly, Evelyn to Tyeys, Margaret
- Tyhurst, James to Tyler, Muriel
- Tyler, Nancy Margaret to Tyndale-Biscoe, Yvonne
- Tyndale-Hardy, Charlotte Brittany to Tyringham, William Backwell
- Tyro, Rachel to Tyrringham, Thomas (Sir)
- Tyrwhitt Drake, Catherine Elizabeth to Tyrwhitt-Drake, Louisa Isabella
- Tyrwhitt-Drake, Lucy Caroline to Törring-Jettenbach, Karl Theodore Ferdinand Graf zu
- Törring-Jettenbach, Karl Theodore Ferdinand zu to Ujest, Kraft Hans Konrad von
- Ujfalussy, Andrea de to Ulyate, Zoe Louise
- Ulyatt, Charles Kenneth to Underwood, Peter E.
- Underwood, Philip Lionel to United Kingdom, Victoria of the
- United Kingdom, Victoria of the to Upjohn, Winifred
- Uplanders, Jarl of the (Eystein 'the Noisy') to Upward, Leonard Aubrey Frank
- Upwood, Jane to Urquhart, Christian
- Urquhart, Christian Bruce to Urquijo, Maria Luisa, Marquesa de Olias
- Urrestarazu Campo, Santiago to Usher, Margaret Louise Stapylton
- Usher, Margaret Mary to Ussher, Erna
- Ussher, Etienne John Patrick to Ussher, Rose
- Ussher, Rose to Vadnay, Zsuzsanna
- Vaes, Baron to Valentine, Patrick
- Valentine, Ranald Andrew to Valmareno, Conte di (Tiberto)
- Valmaseda, Conde de (Antonio) to Van de Vlierd, Stacey Lee
- Van de Weyer, Adrian John Bates to Vandeleur, Giles
- Vandeleur, Giles Alexander Meysey (Lt.-Col.) to Vanderplank, Samuel
- Vanderpoel, Elizabeth to Vane-Fletcher, Walter
- Vane-Tempest, Adolphus Frederick Charles William to Vanneck, Nesta Frances
- Vanneck, Nina Sara to Vansittart, Marjorie Alice
- Vansittart, Martha to Varney, Owen Buckingham
- Varteig, Inga of to Vaughan, Andrew Kevin
- Vaughan, Angela Frances Mary to Vaughan, Jane
- Vaughan, Jane to Vaughan, Thomas Wright
- Vaughan, Thomas Wright to Vaux, Elizabeth
- Vaux, Elizabeth to Vavasour, Hubert Philip Anthony
- Vavasour, Hugh Bernard Moore to Veasey, Walter W
- Veauce, Armand de Cadier de to Venables, Elizabeth Anne
- Venables, Elizabeth Hope to Vendôme, Renaud, Comte de Vendôme
- Venebles, Josephine to Vera d'Aragona, Vincenzo de
- Veraby, Howard to Vere Senior, Mary
- Vere, 'Little John of Campes' to Vereker, David William Leslie Medlicott
- Vereker, Deirdre Patricia to Verey, Thomas Philip James
- Vergara Lévano, Jorge Alejandro to Vermilyea, Wilma Dorothy Millen
- Vermland, Olaf König von to Verney, John
- Verney, John to Vernon, Dorothy
- Vernon, Dorothy to Vernon, Louisa Emily
- Vernon, Louisa Jane to Vernon, William
- Vernon, William to Versturme-Bunbury, Mary Ann
- Vertadour, Anne de to Vesey, John
- Vesey, John to Vestey, Paul Edmund, 3rd Bt.
- Vestey, Penelope Jane to Vicary, William Sebastian
- Vicat, Alan to Vienne, Louis, Marquis de Vienne
- Viennois, Beatrix, Comtesse d'Albon et de Grenoble to Villa Santa Maria, Anne of
- Villa-Franca, Louis de to Villiers, Amy Maria
- Villiers, Angela to Villiers, George
- Villiers, George Alexander to Villiers, Roger Peter
- Villiers, Rosalie de to Vincent, Anne
- Vincent, Anne to Vincent, Richard Frederick, Baron Vincent of Coleshill
- Vincent, Robert to Vinson, Yvonne Ann
- Vint, Sophia Marguerita to Vismara, Maria Anna
- Visme, Edward de to Vivian, George Crespigny Brabazon, 4th Baron Vivian of Glynn and of Truro
- Vivian, Georgina Agnes Augusta to Vladimir, Yurii III of
- Vladimirov, Michail Michailovic to Vollenhoven, Joost van
- Vollenhoven, Joost van to Vout, Arlie William
- Vowden, Desmond Harvey Weight to Vyvyan, Cecil Albert
- Vyvyan, Charles to Vyvyan, Yin Tsu
- Vyvyan-Robinson, Aileen to Wackett, Sandra Lorraine
- Wackwitz, Renate to Wade, David Francis
- Wade, Debbie-Lee to Wade, Thomas
- Wade, Thomas to Wagensberg, Margareta Aloysia
- Wager, George to Wahull, Anthony de
- Waiblingen, Agnes, Princess of the Holy Roman Empire to Wake, Alfred James
- Wake, Alice to Wake, Mary
- Wake, Mary to Wakefield, Ethel Adelaide Susan
- Wakefield, Ethel Mary to Wakeham, Walter John (Major)
- Wakehurst, 1st Baron, of Ardingly, co. Sussex (Gerald Walter Erskine) to Walche, unknown
- Walcher, Christa to Waldburg zu Zeil und Trauchburg, Wilhelm Franz Fürst von
- Waldburg zu Zeil und Wurzach, Eleonore Gräfin von to Waldeck, Volrath von
- Waldeck-Bergheim, Christine zu to Waldegrave, William
- Waldegrave, William to Waldman, Victoria Rose
- Waldner, Konrad II von to Waleran, Baroness (Valantine)
- Waleries, Joane de to Walford, Pamela Mary
- Walford, Patrick Richard Stewart to Walker, Barbara
- Walker, Barbara Ann to Walker, Elizabeth
- Walker, Elizabeth to Walker, Helen
- Walker, Helen to Walker, Juanita Marguerite Vivien
- Walker, Judith to Walker, Norman
- Walker, Norman Dixon to Walker, Thomas
- Walker, Thomas to Walker-Smith, Nathaniel Arthur V.
- Walker-Taylor, Alice Mary to Wall, William Lionel A.
- Wall, William Robert Percy to Wallace, Hugh
- Wallace, Hugh to Wallace, Nicola Arden Agnew
- Wallace, Nicola Jane to Wallen, Theodora Jacoba van der
- Wallenberg Pachaly, Alexander von to Waller, Elizabeth Mary Louisa
- Waller, Elizabeth Sue to Waller, Mary Augusta
- Waller, Mary Beatrice to Waller-Bridge, Teresa Mary
- Wallersee, Freiin von (Ludwig Wilhelm) to Wallis, Thomas Ripon
- Wallis, unknown to Walls, Sofia
- Wallscourt, 1st Baron of, of Ardfry, co. Galway (Joseph Henry) to Walpole, Henrietta Elizabeth
- Walpole, Henry to Walrond, Elizabeth
- Walrond, Elizabeth to Walsh, Emily Gertrude
- Walsh, Emlyn Anna to Walsh, Thomas
- Walsh, Thomas to Walter, Constance Virginia
- Walter, Cyril Frederick Hembrough to Walters, Dorothy Helen
- Walters, Edith Eileen to Walton, H.
- Walton, H. to Wandesford, William
- Wandesforde, Gertrude Ann Ormonde to Warburton, John
- Warburton, John to Ward, Anne
- Ward, Anne to Ward, Edith May
- Ward, Edith May Hamilton to Ward, Harry
- Ward, Harry John to Ward, Leyla Atalanta
- Ward, Lillie to Ward, Rebecca
- Ward, Rebecca Anne to Ward, William Humble Eric, 3rd Earl of Dudley
- Ward, William Humble, 10th Baron Ward of Birmingham to Warde-Aldam, William Wright
- Warde-Norbury, Alastair George to Wardlaw, Jake
- Wardlaw, James to Ware, Georgina
- Ware, Gertrude Agnes to Waring, Frances
- Waring, Frances to Warmington, unknown daughter
- Warmsdorf, Agnes Wilhelmine von to Warner, Mildred
- Warner, Mildred to Warre, Margaret
- Warre, Margaret la to Warren, Doreen Catherine
- Warren, Doreen Margaret to Warren, James
- Warren, James to Warren, Richard Denis
- Warren, Richard Francis to Warrender, Sarah Jane
- Warrender, Shirley to Warton, Winifred Mary Amethyst
- Warture, John to Washington, Jane
- Washington, Janet to Wassenaer, Nicole Alice Odilia Barones van
- Wassenaer, Oda van to Waterhouse, John Alfred Humphrey
- Waterhouse, Katharine to Waters, Georgina
- Waters, Gloria Anne to Watkin, William
- Watkins of Tavistock, Baroness, of Buckland Monachorum in the County of Devon (Mary Jane) to Watkinson, Paul
- Watkinson, Peter to Watson, Arthur Harrison Edward
- Watson, Arthur Hawtrey to Watson, Elizabeth
- Watson, Elizabeth to Watson, Isabel Mary
- Watson, Isabella to Watson, Lucy Elizabeth Garfield
- Watson, Ludovic Waldo Rupert to Watson, Richard Henry
- Watson, Richard Herbert Harrington to Watson, William
- Watson, William to Watt, Gillian
- Watt, Gladys Kathleen to Wattleworth, John
- Wattleworth, John to Watts, Nigel John Iremonger
- Watts, Octavia Malvina to Wauchope, John
- Wauchope, John Andrew of Niddrie Marischal to Wavell, William
- Wavell-Paxton, Olive Louise to Wayte, William Joseph
- Wayth, Eliza to Weaver, Hannah
- Weaver, Helen Margaret to Webb, Eileen
- Webb, Eithne to Webb, Nigel James Clarkson
- Webb, Noah to Webbe, William
- Webbe-Watson, Elizabeth to Webster, David Fairley
- Webster, David Waddle to Webster-Wedderburn, Rebecca
- Webster-Wedderburn, Rebecca Georgiana to Wedderburn, Jean
- Wedderburn, Jean to Wedel, Wedigo Friedrich Hubertus von
- Wedel-Jarlsberg, Alexis Karl Leonhard Ted Graf von to Wedgwood, Samuel
- Wedgwood, Samuel Stephen to Weeks, Winifred Anne
- Weel, Paulina Maria Jacoba van to Weinman, Judith Elizabeth
- Weinmann, Emil von to Weir, Verena Grace
- Weir, Victoria to Welby, Jessie
- Welby, Joan Margaret to Welch, Richard
- Welch, Richard Minchin to Weld, unknown daughter
- Weld, Walter to Weldon, Olivia Mary
- Weldon, Oonagh Leonie Isobel to Welles, Rebecca
- Welles, Richard to Wellesley, Mary Sarah
- Wellesley, Maud to Wells, Beryl Joan
- Wells, Bridget Neave to Wells, Mildred Kate
- Wells, Millie Charlotte to Welman, William Herbert Eyre
- Welsberg, Aloysia de to Wemyss, Andrew
- Wemyss, Andrew Michael John to Wemyss, Mariota
- Wemyss, Mariota to Wennington, unknown
- Wennink, Caroline to Wentworth, Ruishe
- Wentworth, Samuel Henry to Werner, Patricia June
- Wernham, Christopher John to Wessex, Æðelwulf of
- Wessington, Joan to West, Elizabeth
- West, Elizabeth Aylwen to West, Lesley Phyllis
- West, Leslie to West, William James
- West, William Moore to Westbury, Roma Beaufort Templer
- Westby, Anne to Westerholt, Wilhelmine Gräfin von
- Westermann, Anna Frances to Westman, William
- Westmare, Dag of to Weston, Anthony Ralph
- Weston, Arthur Francis Anderdon to Weston, Winifred Hilda Doris
- Weston-Baker, Cecilia to Westropp, Elizabeth
- Westropp, Elizabeth to Westropp, Ralph
- Westropp, Ralph to Wetherall, William George Vallancey
- Wetherby, Francis to Wettin, Sophie
- Wettin, Sophie to Wharncliffe of Wortley, Baroness (Susan Charlotte)
- Wharncliffe, 1st Earl of, West Riding, co. Yorks (Edward Montagu Stuart Grenville) to Whately, Norah Creina Bruce
- Whately, Polly Maria to Wheaton-Smith, Tatiana Rosemary
- Wheble, Catherine Elizabeth to Wheeler, Mary
- Wheeler, Mary Anne to Wheler, Dorothy Elizabeth
- Wheler, Dorothy Kathleen to Whewell, William
- Wheyway, Frances Hastings to Whitaker, Caroline
- Whitaker, Caroline Lucy to Whitaker, Wolstan John
- Whitamore, Anthea Louise to White, Adelaide Anne Elizabeth
- White, Adeline Elizabeth to White, Clare Bantry
- White, Clare Marguerite to White, Francis (Colonel)
- White, Francis Alfred to White, Jeffrey Taylor
- White, Jenifer Sarah to White, Marguérite Isabelle
- White, Maria to White, Richard
- White, Richard to White, Trevor
- White, Trevor to Whitefoord, Neil Esmond Anthony
- Whitefoord, Neil Steuart Patrick to Whitehead, Philip Henry Rathbone, 4th Bt.
- Whitehead, Philip Henry Rathbone, 6th Bt. to Whitelock, William
- Whitelocke, Anne to Whitgreave, Thomas
- Whitham, Florence Penelope to Whitmore, Cecil Elizabeth
- Whitmore, Cecilia Hall to Whitney, Eleanor
- Whitney, Elizabeth to Whittaker, William Edward de Bagulegh
- Whittaker, William Feilden to Whitty, unknown
- Whitty-Lewis, James Creyke to Whorwood, Wortley
- Whybrow, Judy to Wiam, Nun
- Wiarda, Gerardus Johannes to Wicklow, Viscountess (Alice)
- Wickman, Chloe Jennifer to Wied, Luitgarde Prinzessin zu
- Wied, Magnus Alexander Prinz zu to Wigan of Haigh Hall, 7th Baron, co. Lancaster (Anthony Robert)
- Wigan, 1st Baronet, of Clare Lawn, Mortlake, Surrey and Purland Chase, Ross, co. Hereford (Frederick) to Wiggin, Henry Samuel, 1st Bt.
- Wiggin, Henry Walter to Wigmore, William
- Wignacourt, Alof Georges Marie Ghislain de to Wigram, Francis John
- Wigram, Francis Loftus to Wigram, Sarah Christina Agnes
- Wigram, Sarah Christine to Wilbraham, Mary
- Wilbraham, Mary to Wild, Winifred
- Wildash, Christopher to Wilding, Winifred Joan
- Wilding-Davies, Anne Helen to Wilkes, William
- Wilkeson, Diana Joy to Wilkins, William V.
- Wilkinson y Cienfuegos, Alexander Denys Lyon to Wilkinson, Jane
- Wilkinson, Jane to Wilkinson, Zoë Jane
- Wilkinson-Cox, Gavia Lilah to Willert, Ursula von
- Willerval, Isabelle de to Williams, 2nd Baronet, of Bodelwyddan, Denbighshire (John)
- Williams, 2nd Baronet, of Bridehead, Dorset (Philip Francis Cunningham) to Williams, Arthur Dyson
- Williams, Arthur Edward to Williams, Constance Mary
- Williams, Corrine to Williams, Elizabeth Anne Wynn
- Williams, Elizabeth Beatrice to Williams, Gertrude Henrietta
- Williams, Gertrude Mary to Williams, Jane
- Williams, Jane to Williams, Kenneth John
- Williams, Kenneth Ronald Munro to Williams, Mary Muriel
- Williams, Mary Nesta Harriet to Williams, Rachel
- Williams, Rachel J. to Williams, Susan Alexandra
- Williams, Susan Auther to Williams, William Griffith
- Williams, William Harold to Williams-Wynn, Henrietta Katherine Letitia
- Williams-Wynn, Henry Bertie Watkin to Williamson, Frances Helen
- Williamson, Francis Charles FitzRoy to Williamson, Samuel Charles Spencer
- Williamson, Samuel Charles Wathen to Willink, John Humphrey Wakefield
- Willink, John Ouvry to Willis, L. R. H.
- Willis, Linda to Willoughby de Broke, 9th Baron (Greville)
- Willoughby de Eresby, 10th Lord (Christopher) to Willoughby, Emma
- Willoughby, Emma Coralie Sarah to Willoughby, Robert
- Willoughby, Robert to Wills, Elizabeth Jane
- Wills, Elizabeth M. to Wills, Rosemary
- Wills, Rosemary Theodora Hamilton to Wilmer, William
- Wilmerding, Helen Cutting to Wilmot, Richard
- Wilmot, Richard to Wilson, 5th Baronet, of East Borne, Sussex (Edward)
- Wilson, 5th Baronet, of Eshton Hall, co. York (Mathew Martin) to Wilson, Barbara Ethel
- Wilson, Barbara Jane to Wilson, David
- Wilson, David to Wilson, Elizabeth Theresa
- Wilson, Ella Louisa to Wilson, Gordon
- Wilson, Gordon Chesney to Wilson, James Robert Thomond
- Wilson, James Robertson of Airdrie, 2nd Bt. to Wilson, Julia Katherine Margaret
- Wilson, Julia Margaret Louise to Wilson, Martha
- Wilson, Martha to Wilson, Pamela Aileen
- Wilson, Pamela Gay to Wilson, Samuel
- Wilson, Samuel to Wilson, Wilberforce
- Wilson, Wilhelmina Louisa to Wiltshire, Bridget
- Wiltshire, Bridget to Winchester, William
- Winchilsea, 10th Earl of (George William) to Windham, Unknown Child
- Windham, Walter George to Windisch-Grätz, Wilhelmine Prinzessin zu
- Windle, Dora to Windsor, unknown
- Windsor, unknown to Wingate, John
- Wingate, John to Wingfield, Elizabeth
- Wingfield, Elizabeth to Wingfield, Richard, 5th Viscount Powerscourt
- Wingfield, Richard, 6th Viscount Powerscourt to Winlaw, Victoria
- Winlowe, Margaret to Winnington, Karyn Kathryn
- Winnington, Katharine to Winnington-Ingram, Winifred Florence
- Winogradsky, Bernard to Winter, Judith Violet
- Winter, Judy to Winterton, Xan John
- Wintgens, Alison Margaret to Winwood, Thomas Willem
- Winzor, Isobel F. to Wiseman, Arabella
- Wiseman, Arthur William to Wishart, William (Reverend)
- Wishart-Thomson, Lois Angelique to Withy, Theophilia
- Withycombe, James Trevor Gridley to Wittewronge, Thomas
- Wittey, Millicent Emma Fosket to Wodehouse, Elizabeth
- Wodehouse, Elizabeth to Wodehouse, unknown son
- Wodehouse, unknown wife to Wolfe, Richard
- Wolfe, Richard R. to Wolff, Vladimir de
- Wolff-Metternich, Clementine Elisabeth Franziska Adelheid Maria Apollonia Gräfin von to Wolley, William
- Wolley-Dod, Annie McKerrell to Wolseley, Clementina
- Wolseley, Constance Fetherstone to Wolseley, Robert de
- Wolseley, Robert de to Wombwell, George
- Wombwell, George to Wontner, Yvonne M.
- Wontner-Riches, Michael to Wood, Brian
- Wood, Bridget Diana to Wood, Elizabeth
- Wood, Elizabeth to Wood, Henry Almeric
- Wood, Henry Evelyn, V.C. to Wood, Katherine
- Wood, Katherine Elizabeth to Wood, Nicholas
- Wood, Nicholas John Wedgwood to Wood, Thomas
- Wood, Thomas to Woodard, William Henry F.
- Woodberry, Bonnie Dawn to Woodford, William de
- Woodforde, Anne Oliver to Woodhouse, Mary Jane Stormont
- Woodhouse, Mary Lateward to Woodroffe, Richard
- Woodroffe, Ruth to Woods, Nicola Anne
- Woods, Nicola Clare to Woodward, Joseph
- Woodward, Joseph to Woolf, Wendy
- Woolfall, Clarissa Alice to Woolley, Yvonne Mary
- Woolliams, Frank H. to Wootton, William Edward James
- Wopfner, Anna Josefa Amalia to Wordsworth, Zara Caroline
- Worfield, Ann to Worrall, William Henry
- Worrell, A. B. van to Worsley, Joyce Morgan
- Worsley, Juliana to Worth, William
- Wortham, Ellen G. to Wortley, Thomas
- Wortley-Hunt, John to Wraxall, William Nathaniel Lascelles
- Wraxhall, Anne to Wreford, William J.
- Wreford-Brown, Amanda Jane to Wrey, Henrietta Maria
- Wrey, Henrietta Sophie to Wright, Cecil Gilbert
- Wright, Cecil Murray to Wright, Francis
- Wright, Francis to Wright, John
- Wright, John to Wright, May Evelyn
- Wright, Megan Jenett to Wright, Susanna
- Wright, Susanna to Wrightson, Richard Heber
- Wrightson, Robert to Wroth, William Henry
- Wrothe, Mary to Wroughton, Winifred Mary
- Wrout, Charlotte to Wyatt, Elizabeth
- Wyatt, Elizabeth to Wyck, Wolter Gerard van der
- Wyckliff, Agnes to Wyldbore-Smith, Penelope Ann
- Wyldbore-Smith, Philippa to Wyn, Robert
- Wynbish, Katherine to Wyndham, Isobel
- Wyndham, James to Wyndham-Quin, Windham Thomas, 4th Earl of Dunraven and Mount-Earl
- Wyndham-Read, Amanda Barbara to Wynn, William Percival
- Wynn-Carington, Albert Edward Charles Robert, Viscount Wendover to Wynne, Witheral
- Wynne-Aubrey, Barbara Elisabeth to Wyvill, Magdalene
- Wyvill, Margaret to Württemberg, Maria Antonia Herzogin von
- Württemberg, Maria Augusta von to Yakimets, Walter William
- Yakimovich, George to Yarde-Buller, Norberto Luis
- Yarde-Buller, Olegaria Venancia to Yates, Ian
- Yates, James Ainsworth to Yeats, Richard
- Yeats-Brown, Agnes Matilda to Yelverton, Walter Aglionby
- Yelverton, Walter Algionby to Yerburgh, Susannah Elizabeth
- Yerburgh, Sylvia Mary Douglas to Yonge, Julian
- Yonge, Juliana to Yorke, Claricia
- Yorke, Claude John to Yorke, Robert Maximilian Philip
- Yorke, Robert William (Major) to Young, Angus Anthony
- Young, Anita Patricia to Young, Constance
- Young, Constance Anne to Young, Evelyn Anne
- Young, Evelyn Florence Broughton to Young, Isabel Maria
- Young, Isabel Mary to Young, Laura Lee
- Young, Laura Moreland to Young, Michelle
- Young, Michelle Lynn to Young, Sidney Patrick
- Young, Simon to Young-Giffard, Ingaret Stella
- Young-Herries, Alexander to Younger, Rosalind Evelyn
- Younger, Rosanna Lucy to Ysenburg und Büdingen in Meerholz, Wolfgang Graf zu
- Ysenburg und Büdingen in Philippseich, Alexis Graf zu to Yve de Bavay, Yolande d', Comtesse d'Yve de Bavay
- Yvetot, Prince d' (Antoine) to Zanni, Umberto
- Zantara, Andrzej to Zelle, Mata Hari
- Zeller, Basil Douglas van to Ziegler, Sarah Elizabeth
- Ziegler, Scott to Zoete, Walter Maximilian de
- Zoete, Winifred Mary de to Zouche, William, 2nd Baron Zouche (of Haryngworth)
- Zouche, William, 3rd Baron Zouche (of Haryngworth) to Zverkó, Zandor
- Zvirblis, Rasa Janina to Österreich, Annabelle Erzherzogin von
- Österreich, Anne Caroline Erzherzogin von to Österreich, Erzherzogin
- Österreich, Erzherzogin to Österreich, Friedrich Salvator Erzherzog von
- Österreich, Gabriela Erzherzogin von to Österreich, Maria Christina Erzherzogin von
- Österreich, Maria Christina Isabelle Natalie to Österreich, Zsofia Erzherzogin von
- Österreich-Este, Anna Astrid Erzherzogin von to Üxküll-Gyllenband, Caroline Gräfin von




