- 'tHoen, Andrée to (?), Alice
- (?), Alice to (?), Ann
- (?), Ann to (?), Audrey
- (?), Audrey Geraldine to (?), Bridgett
- (?), Bridgette to (?), Christopher
- (?), Christopher to (?), Ditseng, King of Bulgaria
- (?), Diuthaigh to (?), Edna Waters
- (?), Ednyfed Fychan to (?), Elizabeth
- (?), Elizabeth to (?), Emily Frances
- (?), Emily Isabella to (?), Fernelith, Countess of Atholl
- (?), Fernán González, Conde de Castilla to (?), Gillies
- (?), Gillo to (?), Hazel
- (?), Heaberht, King of Kent to (?), Isabel
- (?), Isabel to (?), Jean
- (?), Jean to (?), John Sigismund, King of Hungary
- (?), John V, Emperor of Constantinople to (?), Leslie Moira
- (?), Leszek I, Duke of Cracow to (?), Maldred
- (?), Maldred, Lord of Allerdale to (?), Margery
- (?), Margery to (?), Mary
- (?), Mary to (?), Maud
- (?), Maud to (?), Ninnid
- (?), Ninnid to (?), Phyllis
- (?), Phyllis to (?), Rosalind
- (?), Rosamond Alice to (?), Sigeferd
- (?), Sigeferth, Thane in East Anglia to (?), Teresa
- (?), Teresa to (?), unknown daughter
- (?), unknown daughter2 to (?), unknown wife
- (?), unknown wife to (?), Vasilisa
- (?), Vere to (?), Æthelhilda
- (?), Æthelhun to Abbott, Charlotte Emfelice
- Abbott, Christina Louise to Abbott, unknown
- Abbott, unknown to Abel Smith, Wilfrid Robert
- Abel, Edward to Abercromby, Helen Louisa Hodgson
- Abercromby, Hilda Bricket to Abergavenny, Rebecca
- Abergeldie, Baroness of (Gillian Anne) to Abney-Hastings, Paulyn Francis Cuthbert
- Abney-Hastings, Peter to Acheson, Fiona Marigo
- Acheson, Francesca Augusta Maria to Acland, Alison Jane
- Acland, Amanda to Acland, Leopold George Dyke
- Acland, Lorna May to Acton, Barbara Lucy Ussher
- Acton, Barone (Alfredo) to Acton, William
- Acton, William Anthony to Adam, John Shedden
- Adam, John, 1st and last Lord ap Adam to Adams, Charles Fysh
- Adams, Charles Harrison to Adams, George Nigel
- Adams, George Walton Brookman to Adams, Linda Margaret Legh
- Adams, Lindsay to Adams, Sarah
- Adams, Sarah to Adamson, Mary
- Adamson, Mary Frances to Adderley, Thomas
- Adderley, Thomas to Addington, –
- Addinsell, Augustus W. to Adeane, Rose Mary Poppy
- Adeane, Rosemary Jane to Affleck, Tessa Elizabeth
- Afflick, Deborah to Agelasto, Vierou
- Agen, Eleanor d' to Agnew, Cicely Anne Churchill
- Agnew, Cindy to Agnew, Joanna Woollcombe
- Agnew, Jocelyn to Agnew, Ronan Samuel
- Agnew, Rosamund Anne to Ahern, Shaun Douglas
- Aherne, Brian de Lacey to Ailpín, Grigair mac
- Ailsa, 1st Baron, of Ailsa, co. Ayr (Archibald) to Aird, Viola Mary
- Aird, W. B. to Aitken, David James
- Aitken, Dorothea to Akers, William John
- Akers-Douglas, Adeline Frances to Albany, Earl of (Charles Edward Louis John Philip Casimir Sylvester Maria)
- Albarrán, Damaris Alicia Honor to Alcantara di Querrieu, Véronique d', Comtesse d'Alcantara di Querrieu
- Alcantara, Grand Master of (Sancho) to Aldborough, William
- Aldcorn, Mary Hall to Aldridge, Patrick Leybourne Thomas
- Aldridge, Pauline M. to Alexander of Tunis, Viscountess (Margaret Diana)
- Alexander of Weedon, Baron, of Newcastle-under-Lyme in the County of Stafford (Robert Scott) to Alexander, Claud
- Alexander, Claud to Alexander, Helen Mary
- Alexander, Helen Oswald to Alexander, Louisa Amitie
- Alexander, Louisa Juliana to Alexander, Rosemary Anne
- Alexander, Rosemary Irene to Alfonso, Nuno
- Alford of Alford, 1st Viscount, co. Lincoln (John) to Alison, Robert
- Alix, Charles Peter to Allardyce, William
- Allasio, Marcella to Allen, Charles Fletcher
- Allen, Charles Frederick Sealy to Allen, George
- Allen, George to Allen, Jonathan
- Allen, Jonathan Robert to Allen, Paul
- Allen, Paul Bunting to Allen, Wilfred Gavin
- Allen, Wilfred Vincent Townshend to Alleyne, Mary Spinks
- Alleyne, McGeachy to Allison, Philip
- Allison, Polly to Alltuni, Ruhijé
- Allwood, Andrew G. to Alston, Edward
- Alston, Edward Constable to Altenburg, Prinzessin
- Altenburg, Prinzessin to Alvarez de Toledo y Alvarez-Buylla, Ramon
- Alvarez de Toledo y Bandeira, Gabriel to Amberley, Viscount (Nichols Kyulph)
- Ambler, Annie to Amherst, Jeffery John Archer, 5th Earl Amherst of Arracan
- Amherst, Jeffrey to Amsberg, Zaria
- Amschel, Samuel Ben to Ancrame, Countess of (unknown)
- Ancrum, Calhoun to and present Baronet, Robert Philip Nathaniel
- and present Baronet, Roderick McQuhae to Anderson, Catherine
- Anderson, Catherine to Anderson, George Wallace
- Anderson, George Wallace to Anderson, Juliet Elizabeth Massey
- Anderson, Juliette to Anderson, Rachel Elizabeth
- Anderson, Ralph Oliver to Anderton, Pamela Jane
- Anderton, Richard Hastings to Andrews, Charles
- Andrews, Charles to Andrews, Jonathan
- Andrews, Joseph to Andrews, unknown
- Andrews, unknown to Angland, Michael
- Anglesey, (5th?) Paget (see BLGW to Anhalt, Prinz von (Joachim Ernst)
- Anhalt, Prinz von (Johann Georg I) to Anhalt-Dessau, Herzog von (Eduard Georg Wilhelm Maximilian)
- Anhalt-Dessau, Hilda Prinzessin von to Anhalt-Zerbst, Prinz von (Waldemar I)
- Anhalt-Zerbst, Prinz von (Waldemar I) to Anlaby, Thomas
- Anlauf, Joseph F. to Annesley, Belinda
- Annesley, Benjamin to Annesley, Laura
- Annesley, Laura Daphne Theodora to Ansdell, Thomas Agnew
- Ansel, Louis to Anson, Hilda Suzanne
- Anson, Hope Elisha to Anstruther, Anne
- Anstruther, Anne to Anstruther, Zaida Mary
- Anstruther-Duncan, Alexander William to Antrim, Marchioness of (Rose)
- Antrobus, 1st Baronet, of Antrobus, co. Palatine of Chester (Edmund) to Apostolides, Haralambos
- Appel, Johann Heinrich to Apsley, Peter
- Apsley, William to Arberbothenoth, unknown daughter de
- Arberg, Françoise to Arbuthnot, Hugh Gough
- Arbuthnot, Hugh Keith to Arbuthnott, Anne
- Arbuthnott, Anne Charlotte to Arbuthnott, Vanessa Julie
- Arbuthnott, Vanessa Rose to Archdale, Margaret Helen
- Archdale, Martin to Archdall, Margaret Matilda Agnes
- Archdall, Maria to Archer, Lancelle Eleanor Anne
- Archer, Leigh Anne to Archibald, Michael Vernon William
- Archibald, Molly to Arden, Eliza Jane
- Arden, Elizabeth to Aretin, Peter-Carl Baron von
- Arevalo, Guadalupe to Arklow, 2nd Baron (Charles Edward George Albert Leopold)
- Arkwright, Agnes to Armand, Sylvie
- Armand-Delille, Evelyn Alice to Armpriester, Kate Ella
- Armsberg, Eilika von to Armstrong, Frances Margaret Alice
- Armstrong, Frances Maud to Armstrong, Nicola Anne
- Armstrong, Nigel to Armytage, Charles
- Armytage, Charles David to Arnold, John Christopher
- Arnold, John Halley to Arnott, Whilhelmina Phyllis
- Arnott-Fitzgerald, Emily Jane to Arscott, Margery
- Arseneault, E J to Arthur, Robert
- Arthur, Robert to Arundell of Wardour, Baroness (Frances Catharine)
- Arundell of Wardour, Baroness (Ivy Florence Mary) to Arundell, Mary
- Arundell, Mary to Ashbourne, William
- Ashbourner, Sarah to Ashburnham, Mabel Julia
- Ashburnham, Margaret to Ashe, Zoe Cecilia
- Ashe-A'Court, Lætitia to Ashmead-Bartlett, Percy Arthur B.
- Ashmole, Mary to Ashurst, William Henry
- Ashwell, Alva Stephine to Askew, Winnyfred Anne
- Askew-Robertson, Bridget Watson to Asquith, Vivien Lawrence
- Asquith, William Willans to Assouad, Renée Carmen Cecily
- Assunção, Dona Maria da to Astley, Lord of, of co. Warwick (Philip)
- Astley, Lucy to Aston, Walter, 1st Lord Aston of Forfar
- Aston, Walter, 2nd Lord Aston of Forfar to Asturias, Vermudo I of
- Asturien, Joseph Ferdinand Prinz von to Athlone, Dowager Countess of (Maria)
- Athlumney, 1st Baron, of Somerville and Dollarstown, co. Meath (William Meredyth) to Atkin, Lucy Elizabeth
- Atkin, Lucy Gwen to Atkinson, Anthony
- Atkinson, Anthony to Atkinson, John Lawrence
- Atkinson, John Richard Evelyn to Aton, William, 1st Lord Aton
- Atrill, Alyssa Jordan to Atwood, William
- Atzamoglou, Eleni to Aucher, Robert
- Auchincloss, Ann Burr to Audas, Phyllis
- Audeley, Anna to Auersperg, Georg-Christian Karl Marie Joseph Prinz von
- Auersperg, Gisela von to Aumont, Marguerite d'
- Aumâle, Comte d' (Charles) to Austin, Henry
- Austin, Henry Charles to Avebury, Baroness (Lindsay Jean)
- Aveland, 1st Baron, of Aveland, co. Lincoln (Gilbert John) to Awbrey, William
- Awdry, Agnes to Aykroyd, Kate
- Aykroyd, Kathleen Ellen to Aylmer, Bridget
- Aylmer, Bridget to Aylmer, John Harrison
- Aylmer, John Henry to Ayloffe, William, 3rd Bt.
- Aylva, Anne Agnes Eliza van to Azagra, Elsa de
- Azevedo, Domico Francisco de to Bach, William Stephen Goulden, Baron Bach
- Bachasson, Jean Pierre, Comte de Montalivet to Bacon, Anthony
- Bacon, Anthony to Bacon, Roger
- Bacon, Roger David Coats to Baden, Kunigunde von
- Baden, Kunigunde von to Baden-Powell, Wendy Dorothy Lilian
- Badeni, Casimir to Bagenal, William George
- Bagenall, Anne to Bagley, Sarah
- Bagnall, 'the Court Beauty' to Bagot, Baroness (Emily)
- Bagot, Baroness (Kathleen Elizabeth Saddler) to Bagot, Mary Eleanor Frances
- Bagot, Mary Frances to Bagwell, John
- Bagwell, John to Bailey, Emily
- Bailey, Emily Anne to Bailey, Richard James
- Bailey, Richard Lee Clement to Baillie, George Augustus Frederick
- Baillie, George Evan Michael to Baillie, William of Lamington
- Baillie, William of Lamington to Baillieu, Lucinda Rosalie
- Baillieu, Lynne to Bain, Thomas
- Bain, Timothy Ross to Baines, William Nigel
- Baines-Fremantle, Oskar Frederick Cornelius to Baird, Julian
- Baird, Katrine Maclean to Baker, Anthony
- Baker, Anthony to Baker, Frank
- Baker, Frank to Baker, Kenneth S.
- Baker, Kenneth Wilfred, Baron Baker of Dorking to Baker, Susan Claire
- Baker, Susan Dorothea Geraldine to Balchin, Thomas Aubrey Bernard David
- Balck, Gunhild to Baldwin, Montagu Chenevix
- Baldwin, Oliver Ridsdale, 2nd Earl Baldwin of Bewdley to Balfour of Burleigh, Lord (Robert)
- Balfour of Inchrye, 1st Baron, of Shefford, co. Berks (Harold Harington) to Balfour, Francis Walter
- Balfour, Frank to Balfour, Mary
- Balfour, Mary to Balharry, unknown
- Balickaite, Rita Briget to Ball, Keith Herbert
- Ball, Kitty to Ballard, Jonathan
- Ballard, Leila Myrtle Dorothea to Balmer, Thomas
- Balmerino, Master of (unknown) to Bamfield, William
- Bamford, Agatha Mant to Bancalis de Maurel d'Aragon, Sylvie de
- Bancho, J. J. to Bangor, Viscountess (Sarah Mary Malet)
- Bangs, Elijah Keeler to Bannan, Russell Hampton
- Bannatyne, Agnes to Bannerman, Wynyard Philip
- Bannero, Katherine Lucy to Barber, Elizabeth Catherine
- Barber, Ellen to Barbrook, William
- Barbuoni, Marie Antoinette Sophie to Barclay, Eugenia
- Barclay, Euphemia to Barclay, Rebecca Andalusia
- Barclay, Rebecca Mary to Barcroft, John
- Barcroft, John to Bardsley, Sheila
- Bardswell, Alexandra to Baring, Charlotte
- Baring, Charlotte to Baring, Margaret Fleetwood
- Baring, Margaret McIntyre to Baring-Gould, Leila
- Baring-Gould, Mabel to Barker, Henry Edward Raymond
- Barker, Henry Shelley to Barker-Hahlo, Teresa Clare Cunningham
- Barker-Mill, Mary Brenda Nepenthe to Barlow, Frances Ida Marguerite
- Barlow, Frances Winifred to Barlow, William
- Barlow, William to Barnard, Winifred Katharine Wyndham
- Barnard-Hankey, John to Barnes, Frances
- Barnes, Frances to Barnett, David Francis
- Barnett, Doris Irene to Barnewall, Christopher
- Barnewall, Christopher to Barnewall, Maud
- Barnewall, Maud to Barnwell, Richard
- Barogi, Carla Raffaella to Baronet (see BP&B DENYS, Marjorie Sophia
- Baronet (see BP&B SOMERLEYTON, Catherine to Baronet, Archibald
- Baronet, Archibald Henry Macdonald to Baronet, Elizabeth
- Baronet, Elizabeth to Baronet, Hugh
- Baronet, Hugh Charlie Godfray to Baronet, Kenelm Bold Murray of Blackbarony
- Baronet, Kenneth Michael John Basil to Baronet, Sara Margaret Helen
- Baronet, Sarah to Baronet, Winwood Reade
- Barons, Harriet to Barran, Tabitha Jane
- Barran, Toby Nicholas Hugh to Barrett, John
- Barrett, John Ernest to Barrett-Lennard, Elizabeth Ann
- Barrett-Lennard, Elizabeth Frances to Barrett-Lennard, Thomas, 3rd Bt.
- Barrett-Lennard, Timothy Stewart to Barrington, John Frederick
- Barrington, John Harcourt to Barron, Georgina Alma Sarah
- Barron, Gerald to Barrow, Andrew
- Barrow, Angela Mary Philippa to Barrow, Winifred Cresswell
- Barrow, Winifred Sarah to Barry, Charles James
- Barry, Charles Robert to Barry, Evelyn Winifred
- Barry, F to Barry, John
- Barry, John to Barry, Orlagh
- Barry, Oswald Charles Merriman to Barry, unknown daughter
- Barry, unknown daughter to Barthe, Vivian
- Barthelemy, Julia Henrietta to Bartlett, Robert Hardington
- Bartlett, Robyn R. to Barton, Denys Evelyn
- Barton, Derick to Barton, John Watson
- Barton, John William to Barton, Ursula
- Barton, Ursula Katherine to Barttelot, Nigel Michael Anthony
- Barttelot, Nina to Basista, Tom
- Basker, Jacqueline Mary to Basset, Elizabeth Mary
- Basset, Ellen Caroline Charlotte to Bastalaer, Theirry van
- Bastard, Adelaide F. to Bate, William
- Batehup, A. to Bates, Diana Irene
- Bates, Diana Margaret to Bateson, William Latham
- Bateson-Harvey, 1st Baronet, of Killoquin, co. Antrim (Robert) to Bathurst, Charles
- Bathurst, Charles to Bathurst, Winifrede Gillian
- Batis, Katherine Clairy to Battley, Thomas Cade
- Battliwala, Awabai to Bauhan, William Lathrop
- Baukes, Josef Maria to Baxter, Colin Andrew
- Baxter, Cordelia Marguerite to Bayern, Clara Prinzessin von
- Bayern, Clemens August von to Bayern, Maximilian I König von
- Bayern, Maximilian II Emmanuel Kurfürst von to Bayes, Richard Kingston
- Bayeux, Vicomte de (Ranulf) to Bayley, Lionel Seton
- Bayley, Louisa to Bayly, Edward Archibald Richard
- Bayly, Edward Archibald Theodore to Bayne, William George
- Baynes, 1st Baronet, of Harefield Place, Middlesex (Christopher) to Bazalgette, Willoughby
- Bazeley, Francis Ley to Beadon, Vernon
- Beadsworth, Minnie Sibyl to Beamish, Baroness (Pia)
- Beamish, Basil Patrick to Beamish, Francis Bernard
- Beamish, Francis Bernard Servington to Beamish, Margaret
- Beamish, Margaret to Beamish, Timothy
- Beamish, Timothy Alexander Gillespie to Beare, Walter Barrington
- Bearinger, Edward to Beatty, George
- Beatty, Geraldine Alice Martindale to Beauchamp, Mary
- Beauchamp, Mary Annette to Beauclerk, Jane
- Beauclerk, Jane (Mary) to Beaufort-Jones, Rachel Phillipa
- Beaufort-Spontin, 5th Herzog von (Friedrich Georg Maria Anton Michael) to Beaumont, Catherine
- Beaumont, Catherine to Beaumont, Henry
- Beaumont, Henry to Beaumont, Raoul de
- Beaumont, Raoul de to Beauvau-Craon, Lucie-Virginie de
- Beauveau, Isabel de to Becher, Edward
- Becher, Edward to Becher, Martha
- Becher, Martha to Beck, Henry Wolferstan
- Beck, Hester to Beckett, Patrick Albert Forbes Winslow à
- Beckett, Perdita Rosemary to Bective, Earl of (Thomas)
- Bedall, Beatrice to Bedford-Roberts, John Gordon
- Bedford-Shaw, Alan to Beecher, William
- Beechey, Alice Ada to Beet, Una
- Beetham, Elizabeth to Begougne de Juniac, Marguerite
- Begue de Germiny, Anne le to Belcher, William
- Belcredi, Almeria Gräfin von to Belhaven and Stenton, Lord (William)
- Belhaven, 1st Viscount, co. Haddington (Robert) to Bell, Daisy
- Bell, Daisy to Bell, Helena
- Bell, Helene Fitzmaurice to Bell, Marjorie Katherine
- Bell, Marjory to Bell, Susan
- Bell, Susan Darling Millar to Bellegarde, Wilhelmine Graf von
- Belleisle, Viscount (Ralph) to Bellew, Richard Courtenay
- Bellew, Richard Eustace to Bellingham, John Terence
- Bellingham, Josephine Maude to Belmont, Virginia Ann
- Belmonte, 13th Prince of (Angelo Gennaro Granito) to Bence, Larry
- Bence, Laurence to Benfield, Paul
- Benford, Abigail Jane to Benn, Ursula Helen Alers
- Benn, Valerie Hamlyn to Bennett, Aynslie
- Bennett, Bailey to Bennett, George
- Bennett, George to Bennett, Margaret Audrey
- Bennett, Margaret Augusta Eleanor to Bennett, Tarja Hannele
- Bennett, Tasmin to Bennison, Hilda May
- Bennison, Ivy May to Benson, Ellen
- Benson, Emily Harriet to Bentheim und Steinfurt, Ludwig 1st Fürst zu
- Bentheim und Steinfurt, Ludwig Prinz zu to Bentinck, Margaret
- Bentinck, Margaret to Benwell, Samuel John
- Benyon, Alison Jane to Beresford, Barbara Selina
- Beresford, Baroness (Mina) to Beresford, James Hamilton
- Beresford, James Hugh Brownelowe de la Poer to Beresford, William
- Beresford, William to Berg-Altena, Oda von
- Berg-Altena-Isenburg, Bruno von to Berkeley of Stratton, Baroness (Jane Martha)
- Berkeley, 10th Lord (Charles) to Berkeley, Flora Eve
- Berkeley, Florence to Berkeley, Mary
- Berkeley, Mary to Berkeley, Wyndham Berkeley
- Berkeley-Weld, John Joseph Francis to Bermingham, William, 1st Baron Carbery
- Berminhgam, Margaret de to Bernando y Estremadoyro, Antonio de
- Bernard de Fauconval de Deukem, Alix de to Bernard, John
- Bernard, John Frederick to Berners, Patricia Ann
- Berners, Phillippe to Bernus, Ludwig von
- Bernuth, Beatrice Helene Gisela Maria von to Berry, Mary Elizabeth
- Berry, Mary Jane to Bertie, Henry
- Bertie, Henry to Bertram, William
- Bertran de Lis y Derret, Vicente to Best, Elias
- Best, Elisabeth Laetitia Marie Lucienne to Best, William Samuel, 2nd Baron Wynford
- Best-Dalison, Charles Edmund Waller to Bethell, Joan
- Bethell, Joan Ker to Betjemann, Sarah
- Betmead, Florence to Bevan, Charlotte Josephine Elizabeth
- Bevan, Charlotte Louisa to Bevan, Prudence
- Bevan, Prudence Mary to Bewes, Violet Ethel
- Bewick, Claverley to Bibby, John
- Bibby, John Alfred James to Bickmore, William Frederick
- Bicknell, Anna to Biddulph, Hannah
- Biddulph, Hannah to Biddulph, unknown
- Biddulph, unknown to Bigge, Emily
- Bigge, Emily Jane to Bigod, William le
- Bigoe, Mary to Bilton, Maude Penrice
- Bilyard-Leake, Mary to Bingham, Dorothea Blanche Delacour
- Bingham, Dorothea Minnie to Bingham, Victoria
- Bingham, Victoria Mary to Binny, William Scott
- Binon, Aurélie to Birch, Kate Hazeltine
- Birch, Kathleen Mary to Bird, Catherine Mary
- Bird, Catherine Veronica to Birdwood, Gordon Alic Brodrick
- Birdwood, Gordon Thomas Riddell to Birkin, Ellen
- Birkin, Emma Louise to Birnie, ‘Father of the Church of Scotland'
- Biron Castro, Andres to Bishop, Dennis John
- Bishop, Diana to Bishton, W. R.
- Bisley, Catherine Gail to Björklund, Wilson
- Björnsdottir, Christina to Black, Marguerite
- Black, Marguerite Elgiva Hans to Blackall, Kathleen Mary
- Blackall, Lewis to Blackburne, Ynys
- Blackden, B to Blackett, Christopher
- Blackett, Christopher Edward to Blackie, Pauline Margaret
- Blacking, John Anthony Randoll to Blackwell, Frances
- Blackwell, Frances to Blackwood, Price, 4th Baron Dufferin and Clandeboye
- Blackwood, Rebecca Paffard to Blair, Dodie
- Blair, Donald Alistair to Blake, Anastasia
- Blake, Andrew to Blake, Elizabeth
- Blake, Elizabeth to Blake, John
- Blake, John to Blake, Mary Anne
- Blake, Mary Douglas to Blake, Valentine
- Blake, Valentine to Blakeney, George
- Blakeney, George to Blakeney, Winifred Bruce
- Blakenham, 1st Viscount, of Little Balkenham, co. Suffolk (John Hugh) to Blakiston, Norman John Balfour
- Blakiston, Patricia Elizabeth Harper to Bland, Archibald Robert Hamilton
- Bland, Arthur to Bland, Nathaniel
- Bland, Nathaniel to Blane, William
- Blanesburgh, Baron, of Alloa in the County of Clackmannan (Robert) to Blayney, Margaret
- Blayney, Mary to Blennerhassett, Avice
- Blennerhassett, Avice to Blennerhassett, Janet
- Blennerhassett, Janet to Blennerhassett, Sarah
- Blennerhassett, Sarah to Bligh, Elizabeth
- Bligh, Elizabeth to Bliss, William Smith
- Blissett, Pearl to Blois, Trevor Galfridus
- Blois, unknown to Blood, Anne
- Blood, Annie to Blood, Kathleen
- Blood, Kathleen Marguerite to Blood, Winifred Eileen
- Blood-Smyth, Aileen Henrietta Mary to Blount, Catherine
- Blount, Catherine to Blount, William, 4th Baron Mountjoy
- Blow, (Adrian) Simon to Blundell, H. C.
- Blundell, Hannah to Blunt, Eliza Forbes
- Blunt, Eliza Hilda to Blyth, Elizabeth Boyd
- Blyth, Elizabeth Dorothea to Boardman-Hoare, Esmé Edith Kathleen
- Boase, Annie to Boddam-Whetham, Susan Clara
- Boddie, Mary to Bodychan-Sparrow, Zaidée Emily Iseulte
- Bodziak, Bogumila to Bohemia, Duke of (Premysl Ottokar I)
- Bohemia, Duke of (Sobeslav I) to Boileau, Margaret
- Boileau, Margaret Lucy Augusta to Bold, unknown
- Bold-Hoghton, Agnes to Bolitho, Gertrude Elizabeth
- Bolitho, Hester Veronica to Bolton, Charles
- Bolton, Charles to Bomarzo, Duca di (Paolo)
- Bomback, Adrian John to Bonamici, Sergio
- Bonamy, Peter to Bond, Edith Lorraine
- Bond, Edith Mary to Bond, Zoe
- Bond-Cabbell, Beatrice Evelyn to Bonham, May
- Bonham, Michael Francis to Bonsor, Michael Cosmo
- Bonsor, Miles David to Boord, Mary Ann
- Boord, Mary Ethel Margaret to Booth, Christopher Albert Galloway
- Booth, Claire Alexandra to Booth, Hertha
- Booth, Hester Emily to Booth, Mary
- Booth, Mary to Booth, William
- Booth, William to Boothby, Megan Miranda
- Boothby, Mildred Serena to Borbone delle Due Sicilie, Marie Immaculee di
- Borbone delle Due Sicilie, Marie Josephine di to Borbone, Ruggero Maria, Duca di Noto
- Borbone, Sixte Ferdinando Maria Ignace Pierre Alphonse to Borbón, unnamed daughter de
- Borcherds, Anna Gesina to Borella, Tullia
- Boren, Ada to Boron, Matthew Jeffrey
- Borosini, Lucia von to Borrie, William Robinson
- Borries, Bodo von to Borthwick, Emilie Anna
- Borthwick, Emma Elizabeth to Borthwick, Sophie
- Borthwick, Sophie Alexander to Bosanquet, Claude
- Bosanquet, David to Boscawen, Joan
- Boscawen, Joan to Bossom, Theo Doric Alfred
- Bossuta-Komierowski, Constantine Edmund to Bosville, William
- Bosvyle, Thomas to Botes, Matthew Ryan
- Botetourt of Langport, 1st Baron, co. Somerset (Charles) to Botjer, Willie
- Botkina, Nina to Boucher, William Scott Hamilton
- Bouchet, Madelina Elizabeth du to Boula de Mareuil, Victoire Sophie Marie
- Boulakis, Joanna to Boulton, Henry John
- Boulton, Henry Yates to Bourbon, Isabelle
- Bourbon, Isabelle de to Bourbon-Busset, unknown
- Bourbon-Condé, Anne Genevieve, Duchesse de Longueville to Boureureau, Guillemette Vincens
- Bourg, Anita Nicole to Bourke of Clanmories, Viscountess (Catherine)
- Bourke of Connell, 1st Baron, in Ireland (William) to Bourke, John Smith
- Bourke, John Ulick to Bourke, unknown daughter
- Bourke, unknown daughter to Bousfield, William
- Bousher, Cyril to Bouwman, Wilhelmus Marinus
- Bouymistrov, Elisabeth to Bowden, Claud
- Bowden, Céleste to Bowen, Elizabeth Anne
- Bowen, Elizabeth Constance Cole to Bowen, Susan
- Bowen, Susan to Bowerbank, Mary
- Bowerbank, Mary to Bowes-Lyon, Winifred Geraldine
- Bowett, Elizabeth to Bowlby, Romilly
- Bowlby, Ronald Oliver to Bowles, Zoe
- Bowley, Eva Gertrude to Bowring, Oscar Peter James
- Bowring, Paul Derrick to Bowyer, William, 4th Bt.
- Bowyer, William, 4th Bt. to Boxwell, William Samuel Sandes
- Boyack, Bernadette Mary to Boyd, Conor
- Boyd, Constance to Boyd, Jennifer Louise
- Boyd, Jessie to Boyd, Sheppard
- Boyd, Sherry Lynne to Boylan, Timothy Edward
- Boyland, John de to Boyle, Constance Helen
- Boyle, Constance Jane to Boyle, Hugh
- Boyle, Hugh to Boyle, Mary Agneta Francis
- Boyle, Mary Ann to Boyle, William Henry Dudley, 12th Earl of Cork
- Boyle, William Hugh to Brabant, Graham Reid
- Brabant, Harriet Maria to Brabazon, Grace Eva
- Brabazon, Guy Levinge to Brabourne of Brabourne, Baroness (Penelope Meredith)
- Braburne, Charles Randal to Bradburne, Thomas
- Bradbury Rance, Clara to Bradford, Henry G.
- Bradford, Henry N. A. to Bradley, Olivia Roie
- Bradley, Patricia to Bradshaw, Oswald Moseley
- Bradshaw, Pamela to Brady, Peter Philip
- Brady, Robert Maurice to Brahe, Peder, Count of Visingsborg
- Brai, Milo II, Vicomte de Troyes to Bramall, Sara G. M.
- Bramante, Antonio to Brand, Ethel Maud
- Brand, Eve Annesley to Brandenburg, Mathilde von
- Brandenburg, Mathilde von to Brandling, unknown
- Brandolini d'Adda, Adinolfo, Conte di Valmareno to Brandreth, Joseph Pilkington
- Brandreth, Louisa to Brasier, unknown
- Brasier-Creagh, Aileen to Brassey, Zara
- Brassie, Eleanor to Braunschweig-Göttingen, Wilhelm von
- Braunschweig-Göttingen-Kalenberg, Georg von to Braunschweig-Wolfenbüttel, Auguste Dorothea Herzogin von
- Braunschweig-Wolfenbüttel, Auguste Dorothea von to Brawn, unnamed daughter
- Bray, Alastair Charles Michael to Brazier, unknown wife
- Brazier-Creagh, Agnes Fanny Marland to Bree, John
- Breeden, Alexander Peter to Brenan, Unknown Daughter
- Brenard, Coral Ailsha to Brereton, Ann
- Brereton, Ann to Brereton, John
- Brereton, John to Brereton, William Robert
- Brereton, William Robert to Brett, Janet
- Brett, Jean Valerie to Brewer, Violet
- Brewerton, Derrick to Brickwood, William
- Brideoak, John to Bridgeman, Richard Lynedoch Orlando
- Bridgeman, Richard Orlando Beaconsfield to Bridges, Mary Monica
- Bridges, Mary Stuart to Brienne, Isabel, Queen of Jerusalem
- Brienne, Jean de to Briggs, Rachel
- Briggs, Rawdon to Brigstocke, William Richard Kenneth
- Brigton, Cecilia to Brinkley, Walter Stephens
- Brinkman, Karl Freiherr von to Briscoe, Eileen
- Briscoe, Eileen Gertrude Mary to Brister, Victoria Anne
- Bristoe, Robert to Britton, Tracey
- Britz, 19– •Chris to Broadmead, Philip Mainwaring
- Broadmore, David Thomas to Brocklebank, Katherine Mary
- Brocklebank, Kathleen to Brodie, Alexander, 19th of Brodie
- Brodie, Alexander, 1st of Lethen to Brodie, Lilias
- Brodie, Lilias to Brodrick, Mary Freda
- Brodrick, Mary Susan Albinia to Brome, Ursula
- Bromet, Alfred to Bromley, Patricia Sophia
- Bromley, Philip Anthony to Brooke, Agnes Letitia
- Brooke, Aidan Kusnadi Acton to Brooke, Eva Henrietta
- Brooke, Fay to Brooke, Lulu Hendrik Lodewyk Jense
- Brooke, Lynda Kay to Brooke, Thomas L.
- Brooke, Thomas Langford to Brooking, unknown
- Brookman, Baron, of Ebbw Vale in the County of Gwent (David Keith) to Brooks, Phillip Anthony
- Brooks, Rachel to Broome, Victor B.
- Broome, Violet Elizabeth Emma to Brougham, Mabel Ellen
- Brougham, Margaret to Broughton, Jane
- Broughton, Jane to Broun, Cameron Paul
- Broun, Caroline to Broun, Wynne
- Broun-Lindsay, Beatrice Marie-Therese Ferdinande Yvonne Ghislaine to Brown, Bridget Jennifer
- Brown, Bridget Joan to Brown, Emily
- Brown, Emily to Brown, Jacquelyn Marie
- Brown, Jaden Christian Beckett to Brown, Lucy Mary
- Brown, Lucy Merlin to Brown, Rachel
- Brown, Rachel to Brown, Viola
- Brown, Violet to Browne, Anne
- Browne, Anne to Browne, Edmond
- Browne, Edmond to Browne, Gertrude Sophia
- Browne, Gilbert to Browne, Joseph
- Browne, Joseph to Browne, Nesta Caulfeild
- Browne, Niall Andrew to Browne, unknown daughter
- Browne, unknown daughter to Browning, Eliza
- Browning, Elizabeth to Brownlow, Charles, 1st Baron Lurgan
- Brownlow, Charles, 2nd Baron Lurgan to Brownrigg, William Crosbie
- Brownscombe, John to Bruce, Angus Robert John
- Bruce, Angus William Robert to Bruce, Doreen Dalziel
- Bruce, Doriel to Bruce, Helen
- Bruce, Helen to Bruce, Katherine
- Bruce, Katherine to Bruce, Michael
- Bruce, Michael Alan to Bruce, Selwyn Dennis
- Bruce, Shane Robert to Bruce-Gardyne, Victoria Sophia
- Bruce-Hope, Charlotte to Brudenell-Bruce, Louisa
- Brudenell-Bruce, Louisa Caroline to Bruhl, Wenzel Graf von
- Bruhn, Edward to Brunton, Jennifer Anne
- Brunton, Jill Kathleen to Bryan, Janet Tyler
- Bryan, Jennifer Ward to Bryce, Viscountess (Elizabeth Marion)
- Bryce-Smith, Arnold to Bubb, Philip M.
- Bubbin, Rebecca to Buchan, Vanessa L.
- Buchan, Violet to Buchanan, Jane Dennistoun
- Buchanan, Jane Margaret to Buchmayr, Trevor Banbury
- Bucholtz, Carolyn Ann to Buckland, Sybil Mary
- Buckland, Yvonne to Buckley, Winifred Rosa Isabel
- Buckman, Andrew Pierre to Buckworth, unknown daughter
- Buckworth-Herne, Anne to Buffett, Augustus Wentworth
- Buffett, Austin to Buffett, Molly
- Buffett, Moresby to Bulgaria, Kardam, Prince of Bulgaria
- Bulgaria, Kira Marija of to Bull, Grace Rose
- Bull, Harriet Clare to Bullen, Phyllis
- Bullen, Richard to Buller, Wynn Hornby
- Buller-Fullerton-Elphinstone, Anna Maria to Bullough, Tom Guy
- Bullrich Luro, Julieta to Bulto y Sagnier, Patrico
- Bultzingslowen, Elizabeth Alexandra Sophia von to Bunbury, Turtle
- Bunbury, unknown daughter to Buquoy, Therese Gräfin von
- Buratti, Rosanna Stella Virginia to Burdekin, Josephine Blake
- Burden, 1st Baron, of Hazelbarrow, co. Derby (Thomas William) to Burdett, June Elizabeth Campbell
- Burdett, Katherine Hilda to Burge, Russell
- Burger, Johanna to Burgess, William Hugh
- Burgh Morris, Arthur de to Burgh, Isobel May de
- Burgh, Ivy Emily de to Burgh, Urania Anne de
- Burgh, Ursula de to Burhouse, Valerie Gillian
- Burian, Maria Magdalena von to Burke, Honora
- Burke, Honora to Burke, Robert
- Burke, Robert O'Hara to Burlington, Earl of (William)
- Burlinson, Cecilia Margaret to Burnchurch, Baron of (Rowland)
- Burne, Agnes Charlotte to Burnett, Charles Fassett
- Burnett, Charles John to Burnett, Robert of Muchalls
- Burnett, Roberta Elizabeth to Burns, Cynthia Mary
- Burns, David to Burrard, John
- Burrard, John to Burrell, Willoughby Merrik Campbell, 5th Baron Gywdyr
- Burrell-Drummond, Clementina Elizabeth to Burrowes, Barbara
- Burrowes, Blanche Wilson to Burrows, Martin
- Burrows, Mary to Burton, Bruce Arnold
- Burton, Burnell Lewis Earnshaw to Burton, Patrick William Harmsworth
- Burton, Pelham to Bury, John
- Bury, John to Bush, Valerie Ann
- Bush, William to Busteed, William
- Bustin, Georgia to Butler, Alexandra Amy Geraldine
- Butler, Alexandra Hermione Mercedes to Butler, Catherine Julie
- Butler, Catherine Mary to Butler, Elinor
- Butler, Elinor to Butler, Frederick Edward Robin, Baron Butler of Brockwell
- Butler, Frederick Francis Baron to Butler, James
- Butler, James to Butler, Judith
- Butler, Judith to Butler, Mary
- Butler, Mary to Butler, Piers
- Butler, Piers to Butler, Theobald
- Butler, Theobald to Butler, William
- Butler, William to Butler-Sloss, William Edmund Patchell Minchin
- Butler-Stoney, Bowes to Butterfield, Joan
- Butterfield, Joan Alestha to Button, William, 2nd Bt.
- Buttraw, Jane to Buxton, Ethel
- Buxton, Eva Katharine to Buxton, Minna Alice
- Buxton, Monica to Buzzard, Timothy Macdonnell
- By, Esther to Byng, Clara Evelyn
- Byng, Cora to Byrdasvend, Björn
- Byres and Binning, 10th Lord (George) to Byrne, Mary Anne
- Byrne, Mary Catherine to Byron, John, 1st Baron Byron of Rochdale
- Byron, Josephine to Cabanas y Rodriguez, Javier
- Cabanne, Cipriano to Caddell, Kathryn
- Caddell, Louisa to Cadogan, Caroline Monica
- Cadogan, Catharine Anne to Cafe, Haydon Lloyd
- Caffell, Anna Margaret Juliet to Cain, Winifred Mary
- Caine, Daniel to Cairns, Hélène Pauline
- Cairns, Ian to Calcutt, Josephine
- Caldato, Remo to Caldwell, Henry
- Caldwell, Henry (Lt.-Col.) to Callaghan, Gwendoline
- Callaghan, Hamish to Calley, Tobias
- Callie, Unknown Wife to Calverley, Walter, 1st Bt.
- Calverley-Blackett, Elizabeth to Calvin, Sarah Emily
- Calvo Moure, Maria Manuela to Camerana, Vittorio dei conti
- Cameron of Balhousie, Baron, in the District of Perth and Kinross (Neil) to Cameron, Evan Wallace
- Cameron, Evelyn Margaret to Cameron, Martha
- Cameron, Martha to Caminade de Chatenet, Edith
- Camm, Alfred Robert Maclean to Campbell, A
- Campbell, A. J. to Campbell, Ann
- Campbell, Ann to Campbell, Barnaby James Middleton
- Campbell, Baroness (Susan Catherine) to Campbell, Colin
- Campbell, Colin to Campbell, Dorothy Rosalind Frances
- Campbell, Dorriel to Campbell, Elizabeth
- Campbell, Elizabeth to Campbell, George
- Campbell, George to Campbell, Hugh of Cawdor
- Campbell, Hugh of Cessnock to Campbell, Jane
- Campbell, Jane to Campbell, John
- Campbell, John to Campbell, Kim
- Campbell, Kim to Campbell, Margaret Elizabeth
- Campbell, Margaret Elizabeth to Campbell, Mary Florence
- Campbell, Mary Gertrude to Campbell, Penelope
- Campbell, Penelope Jane to Campbell, Susanna
- Campbell, Susanna to Campbell, William
- Campbell, William to Campbell-Orde, Simon Arthur, 5th Bt.
- Campbell-Orde, Susan to Campo Laracoche, Maria Soledad
- Campo Mayor, Marquez de (William Carr) to Cann, Richard
- Cann, Richard James Michael to Canninge, William
- Cannings Knight, Shara to Cantilupe, unknown de
- Cantin, Louise to Capell, Beatrix Violet De Vere
- Capell, Bertha Sybil to Capon, unknown
- Caporn, Thelma Iolanthe to Carbery, William Edward
- Carbeth, Arthur Stretton to Carden, Frederick Arthur
- Carden, Frederick Craven to Carden, Trevor Courtenay
- Carden, Troy John to Cardross, Master of (Henry)
- Cardwell Moore, Patrick to Carew, George Henry Warrington
- Carew, George Patrick John, 4th Baron Carew to Carew, Thomas
- Carew, Thomas to Carey, Vivien Dora
- Carey, Walter to Carleton, John
- Carleton, John to Carlos Clarke, Myra Dora
- Carlos, Ferdinando Ganchinho to Carlyon, Mary
- Carlyon, Mary to Carmichael, Elizabeth
- Carmichael, Elizabeth to Carmichael, Winifred Mary
- Carmichael-Anstruther, Ada Marie to Carnegie, Christian
- Carnegie, Christian to Carnegie, Susan Mary
- Carnegie, Susan Mary Anne to Carp, Victoria Teresa
- Carpattes, Lorna to Carr, Arthur
- Carr, Arthur Fortescue to Carr, Thelma D'oyly
- Carr, Thomas to Carrier, Richard
- Carriere, Justin Mark de Haan to Carroll, John Donal
- Carroll, John F. to Carson, Iona Fairlie Edith
- Carson, Iona Jane to Carter, Diana Violet Gladys
- Carter, Dora Lovelace to Carter, Margaret
- Carter, Margaret Angela to Carteret of Hawnes, Baroness (Mary Anne)
- Carteret, 1st Baronet, of Metesches, in Jersey (George) to Cartwright, William Henry
- Cartwright, William Ralph to Cary, Elizabeth
- Cary, Elizabeth to Cary, Wymond
- Cary-Barnard, Charles to Casement, Charlotte
- Casement, Charlotte to Casey, unknown
- Casgrain, John V. to Cassidy, Richard
- Cassidy, Robert to Castell-Castell, Maren zu
- Castell-Castell, Margarethe Gräfin zu to Castellain, Rose Hildegard
- Castellan, Clairette to Castilla, Sancho I, Rey de Castilla
- Castilla, Sancho II de to Castlemaine, Viscountess (Florinda)
- Castleman, Amanda Lucy to Catchpole, Vanessa
- Cate, Jan ten to Cathcart, Reginald
- Cathcart, Reginald, 6th Bt. to Cator, Katherine Price
- Cator, Kathleen Jean to Caulfeild, Constance Ada
- Caulfeild, Constance Elizabeth to Caulfeild, Shane Andrew
- Caulfeild, Shelah St. George to Cavan, unknown daughter
- Cavanac, Marquise de (Anne) to Cave, Louisa Frances
- Cave, Lucy to Cave-Browne-Cave, Edward Johnson
- Cave-Browne-Cave, Edward Jordayne to Cavendish, Anne
- Cavendish, Anne to Cavendish, Henry Manners, 3rd Baron Waterpark
- Cavendish, Henry Sheppard Hart, 6th Baron Waterpark to Cavendish, William George Spencer, 6th Duke of Devonshire
- Cavendish, William George, 2nd Baron Chesham to Cawley, Frederick, 1st Baron Cawley
- Cawley, Gavin Christopher to Cayley, Evelyn Olga Vivienne
- Cayley, Evelyn Wynne to Cayley, William, 2nd Bt.
- Caylus, Duquesa de (Antoinette) to Cecil, Anne Margaret
- Cecil, Anne Margaret to Cecil, Margaret Eirene Clifton
- Cecil, Margaret Elizabeth to Ceno Clemares, Maria Teresa de
- Centamori, Christine Charlotte to Chadd, Timothy Charles
- Chadder, Joseph to Chair, Thelma Grace de
- Chaise, Alexandra Constance Marie to Chalmers, William
- Chalo, Françoise de to Chamberlain, Jeffery Paul
- Chamberlain, Johanna Irene to Chambers, Doug
- Chambers, Edmund Mungo Craven to Chambré, Frances Jane
- Chambré, George to Champernowne, Katharine Iris
- Champernowne, Katharine Theresa Vidal to Chance, Marian Georgiana
- Chance, Maridel to Chandos-Pole, Querida M. D.
- Chandos-Pole, Reginald Walkeline to Chaplin, unknown
- Chaplin, unknown son to Chapman, H.
- Chapman, H. C. A. to Chapman, unknown daughter
- Chapman, unknown son to Chapple-Gill, Sandy
- Chapponay, Balthazar, Seigneur de Feyzin to Chappuis, Melchior
- Chappuis, Melle to Charles, William Howard Pendrill
- Charles-Jones, Hugh to Charlton, Emma
- Charlton, Emma to Charter, Victor Noël
- Charteris of Amisfield, Baron, of Amisfield in East Lothian (Martin Michael Charles) to Chartres, John
- Chartres, John to Chastel de la Howarderie, Yvonne du
- Chastelais, Dame de (Marie) to Chatto, Thomas
- Chaucer, Alice to Chavasse, Kendal George Fleming
- Chavasse, Kenneth G. to Chaytor, Lawrence Clervaux
- Chaytor, Lilian Mary to Cheere, William, 2nd Bt.
- Cheers, John to Chenevix Trench, Nancy Carey
- Chenevix Trench, Nancy Louise to Cherleton, Robert
- Chermside, Mabel to Chester, Elizabeth
- Chester, Elizabeth to Chetwode, Edward Wilmot
- Chetwode, Elizabeth to Chetwynd, Elizabeth
- Chetwynd, Elizabeth to Chetwynd, William
- Chetwynd, William to Chetwynd-Talbot, Winifred Constance Hester
- Chetwyndissue, 8th Viscount to Chevers, William
- Cheverton, Catherine Mary to Chiappini, Maria Stella Petronilla
- Chiappini, Peter Ferdinand to Chichester, Edward
- Chichester, Edward Arthur to Chichester, Morna Sybil
- Chichester, Muriel Eileen to Child, Deborah Jane
- Child, Deirdre Kathleen to Childers, Matilda Florence
- Childers, Maud to Chinnery, Walter Moresby
- Chinnery-Haldane, Agnes Elizabeth to Chisholm, unknown
- Chisholm, unknown to Chivas, Elizabeth Christian
- Chivers, Charles to Cholmley, Walter William Strickland
- Cholmondeley of Kells, 10th Viscount, co. Meath (George Hugh) to Cholmondeley, Violet Essex
- Cholmondeley, Violet Maud to Christian, Alwyn Bruce
- Christian, Amelia to Christian, Daphne Juanita
- Christian, Darin Ross to Christian, Ewan
- Christian, Ewan to Christian, Jane
- Christian, Jane to Christian, Margaret
- Christian, Margaret to Christian, Quayle
- Christian, Quayle to Christian, William
- Christian, William to Christie, unknown
- Christie, unknown to Chubb, William Maurice
- Chudd, Beatrice to Churchill, James Alistair Gladstone
- Churchill, Jane to Chuter-Ede, Lilian Mary Stephens
- Chuya, Prince of (Semyon) to Citrine, Walter McLennan, 1st Baron Citrine
- Citroen, Jacqueline de to Clanmorris of Newbrook, Baroness (Sarah)
- Clann Cholmáin, Conchobar to Clare, Fay Margaret
- Clare, Frances to Claridge, William
- Clarina of Elm Park, 1st Baron, co. Limerick (Eyre) to Clark, David Humphrey
- Clark, David James to Clark, James
- Clark, James to Clark, Mary
- Clark, Mary to Clark, Thomas William
- Clark, Thomas Williams to Clarke, Arabella
- Clarke, Arabella to Clarke, Elizabeth
- Clarke, Elizabeth to Clarke, Hyde
- Clarke, Hyde John to Clarke, Marshal Banner
- Clarke, Marshal Falconer to Clarke, Sally Jane
- Clarke, Sally Miranda to Clarke, Wray
- Clarke, Wray Palliser to Clavering, James
- Clavering, James to Clay, Richard
- Clay, Richard to Clayton, George Edward
- Clayton, George Edward to Cleave, Zenia Sophia
- Cleaveland, Henrietta Maria to Clegg-Hill, Susan Dorothy
- Clegge, Emily to Clements, Elizabeth Emily
- Clements, Elizabeth Hannah to Clerambault, Desiree de
- Clerc, Mary Frances to Clerk, Margaret
- Clerk, Margaret to Clerke, Susannah Elizabeth
- Clerke, Talbot, 2nd Bt. to Cleveland, Richard Cecil
- Cleveland, Richard Falley to Clifford, 4th Lord (Robert)
- Clifford, 5th Baronet, of Flaxbourne, in the province of Marlborough, in the colony of New Zealand (Lewis Arthur Joseph) to Clifford, Laura Maria
- Clifford, Lavander to Clift, Simon Paul
- Clifton Brown, Leonard to Clifton, Yseult Hermione Aurea Alathea
- Clifton-Brown, Alexandra Mary to Clinton, Elizabeth
- Clinton, Elizabeth to Clive, Edward
- Clive, Edward Archer to Clonbrock, Baroness (Letitia)
- Cloncurry, 1st Baron, of Cloncurry, co. Kildare (Nicholas) to Clothier, unknown
- Clotworthy, Hugh to Clucas, Louisa Elizabeth Wynn
- Clucas, Lunt to Clyde, William Pancoast
- Clyde-Smith, Enid to Coates, Marjorie
- Coates, Martha to Coats, Winifred Marie
- Coatsworth, Ellen Bell to Cobbe, Winifred Alice
- Cobbett, Charlotte Gwendoline Frances to Cobham, Anne de
- Cobham, Avice de to Cochrane, Archibald Hamish FitzGerald
- Cochrane, Archibald, 9th Earl of Dundonald to Cochrane, Isabelle Marie Elsa Sursock
- Cochrane, Ivy to Cochrane, Sallianne
- Cochrane, Sally to Cockburn, Archibald William
- Cockburn, Augusta Anne to Cockburn, Mary Ann
- Cockburn, Mary Ann to Cockerline, Walter Herbert
- Cockermouth, 1st Baron, co. Cumberland (Algernon) to Cocks, Rebecca Susan
- Cocks, Reginald to Codner, Vivien Ogilvy
- Codorniu y Aguilar, Alfonso to Coester, Wilhelm von
- Coesvelt, Anna Maria to Coggan, William
- Cogger, Jack F. to Cohen, Ellen
- Cohen, Elsa to Coimbra, Pedro de
- Cointet, Claude-Annie to Coke, Bridget Doreen
- Coke, Camilla Anne Brodie to Coker, Florence Wray
- Coker, Frances Gertrude to Colclough, Anthony
- Colclough, Anthony to Colclough, Thomas Francis
- Colclough, Thomas Robert to Cole, George Ralph FitzRoy
- Cole, George Rudolf to Cole, William Willoughby
- Cole, William Willoughby, 1st Earl of Enniskillen to Coleman, Kate Amanda
- Coleman, Katharine to Coleridge, William Rennell
- Coles, Alasdair John to Collalto und San Salvatore, Thekla von
- Collalto, Patrizia di to Collett, Mary R.
- Collett, Maurice John to Collier, Robert
- Collier, Robert Douglas to Collins, Bradford Kier
- Collins, Brenda Marion to Collins, Michael Herbert
- Collins, Mildred Georgina to Collis, Zachary
- Collison, Andrew to Colmore, William Harrison
- Colnbrook, (?) to Colquhoun, James of Luss, 3rd Bt.
- Colquhoun, James of Luss, 4th Bt. to Colt, John
- Colt, John to Colthurst, Nicholas Conway, 4th Bt.
- Colthurst, Nicholas, 3rd Bt. to Colvill, Hayley Mae
- Colvill, Helen to Colville, Grizel
- Colville, Hamish to Colville, Zelie Isabelle Richard
- Colville-Wallis, Judith Horatia to Combe, Winifred Phyllis
- Comber, Mary to Compton, Caroline Ann
- Compton, Caroline Mary to Comyn, Diana
- Comyn, Diana Mary to Concannon, W. A.
- Concanon, Edmond John to Congalton, William of that Ilk
- Congdon, Betsey to Coningsby, John
- Coningsby, John to Connell, James
- Connell, James to Connock, Loveday
- Connolley, Ellen to Conolly-Carew, William Patrick
- Conoplia, Geraldine to Constable, J. C.
- Constable, James Goulton to Constable-Maxwell-Stuart, William Joseph Peter
- Constance, George to Conway of Conway Castle, 2nd Viscount (Edward)
- Conway of Ragley, 10th Baron, co. Warwick (Henry Jocelyn) to Conyers, Elizabeth
- Conyers, Elsie Maud to Coo, William Charles
- Cooch, Charles to Cook, John Patrick Mervyn
- Cook, Jonathan David to Cooke, Basil
- Cooke, Beatrice to Cooke, John
- Cooke, John to Cooke, unknown son
- Cooke, unknown wife to Cooke-Yarborough, William Henry
- Cookes, Annie Nisida Denham to Coombe, Richard
- Coombe, Susan Marjory to Cooper, Austin Samuel
- Cooper, Austin Samuel to Cooper, Evelyn Frances Armstrong
- Cooper, Fanny to Cooper, John Pascal
- Cooper, John Royston Vaughan to Cooper, Philippa
- Cooper, Phyllis to Cooper, William Henry
- Cooper, William Henry of Cogar, 5th Bt. to Coote, Charles James
- Coote, Charles Phillips to Coote, Philips
- Coote, Prudence to Copeland, Winifred Ida
- Copeman, Alfred George to Copley, Sarah Elizabeth
- Copley, Selina Frances to Corballis, Sybil Musgrave
- Corballis, Timothy Daniel Grey to Corbett, Harry
- Corbett, Hazel Christina to Cordeaux, Thomas
- Cordeiro, Jose to Corkran, Winifred Maud
- Corleto, Raffaele di to Cornewall, Wolfran
- Corney, Elizabeth to Cornwall, Margaret
- Cornwall, Mary to Cornwallis, Yvonne
- Cornwallis-West, Beatrice Stella to Corry, William, 2nd Bt.
- Corrêa de Sá, Antonio to Cory-Wright, Esmond Godrey
- Cory-Wright, Felicity to Cosby, William
- Coscia, Juana to Costinescu-Tataranu, Ileana
- Costley, Anne to Cotter, Eleanor Grace
- Cotter, Eleanora to Cotter, Nicholas Anthony
- Cotter, Nicholas Paul Kyle to Cotterill, Winifred Helen
- Cottesloe, 1st Baron, of Swanbourne and Hardwick, co. Buckingham (Thomas Francis) to Cotton, Frances Anne
- Cotton, Frances Georgina to Cotton, St. Vincent, 6th Bt.
- Cotton, Stapleton to Couira y Sanchez de Toca, Luis Fernando
- Coul, Marjorie Joan to Couper, Nicholas
- Couper, Nora Emma to Courage, Richard John Gordon
- Courage, Robert to Courcy, Patrick, 4th Lord Courcy of Kinsale
- Courcy, Rebecca de to Courtenay, Edward, 3rd Earl of Devon
- Courtenay, Edward, Lord Courtenay to Courtenay, Stephen Harold Pepys
- Courtenay, Susan to Courtney, Yolande de
- Courtney-Couchman, Dianne Vanita to Coventry, Barbara Mary St. John
- Coventry, Barbara Vincent to Coventry, Mary Eleanor Lauderdale
- Coventry, Mary Elizabeth to Cowan, Winifred
- Coward, Bridget to Cowie, Hardwicke
- Cowie, Hardwicke to Cowper, George
- Cowper, George Augustus Frederick, 6th Earl Cowper to Cox, Elizabeth
- Cox, Elizabeth to Cox, Richard
- Cox, Richard to Crabb, Donald Stuart
- Crabbe, Bertha Iris Eyre to Cradock-Hartopp, William Edmund, 3rd Bt.
- Cradock-Hartopp-Fleetwood, George Harry William to Craig, Susan Elisabeth
- Craig, T. to Cramer, William
- Cramer-Klett, Anna Chariklia von to Cranbrook of Hemsted, Viscountess (Jane)
- Cranbrook, 1st Earl of (Gathorne) to Cranswick, Sophia Doreen
- Cranton, Cecil to Craven of Hampsted Marshall, Baroness (Jane)
- Craven of Ryton, 1st Baron, co. Salop (John) to Craven, William, 6th Baron Craven of Hampsted Marshall
- Craver, Matilda to Crawford, Elizabeth Janet
- Crawford, Elizabeth Martha to Crawford, Martha Anna
- Crawford, Martha Eliza to Crawfurd, Robina
- Crawfurd, Roger to Crawley, Sarah
- Crawley, Sarah to Cray, Sarah
- Crayenburg, Bernhard Wilhelm Georg Graf von to Creagh, William
- Creagh, William to Crellin, William Watson Anderson
- Cremelin, George Russel to Creswell, Robert
- Creswell, Robert to Crey, Beatrice Elizabeth
- Creye, Joan de to Crichton, Helen
- Crichton, Helen to Crichton, unknown
- Crichton, unknown to Cripps, Charles Hugh
- Cripps, Charles Thomas Joyce to Crisp, Winifred
- Crispe, Alice to Croasdaile, William
- Croatia, Duke of (Almus) to Croft, Esmé
- Croft, Ethel Mary to Croft, Wilbur Joseph
- Croft, William to Crofton, Duke
- Crofton, Duke to Crofton, Marcus Livingstone
- Crofton, Marcus Lowther to Crofts, George
- Crofts, George to Croker, Edward James O'Brien
- Croker, Edward James O'Brien to Crombie, Zdislava
- Crombrugghe de Looringhe, Joëlle de to Cromwell, Wingfield, 2nd Earl of Ardglass
- Cronam, Patricia Anne to Crone, William Frederick
- Cronhelm, Anne Gladys to Crookshank, William Thomas
- Croom-Johnson, Jean Patricia to Crosbie, Emma
- Crosbie, Ernest Christopher to Crosby, John Henry
- Crosby, John Wright to Cross, Lucy Cunard
- Cross, Lucy Mary Belinda to Crossley, Jenny Margaret
- Crossley, Joan to Crouch, Sarah
- Crouchley, Sarah to Crowther, Thomas Henry
- Crowther-Hunt, Baron, of Eccleshall in the West Riding of Yorkshire (Norman Crowther) to Croy, Yolande Marie Ernestine Emma Isabelle
- Croy-Chimay, Catharina van to Croÿ, Cornelia von
- Croÿ, Dagmar von to Croÿ, Yolande Marie Ernestine Emma Isabelle Prinzessin von
- Croÿ-Aerschot, Philipp II Herzog von to Crutchley, Victor Alexander Charles, V.C.
- Cruttenden, Edward to Cubitt, William Robert
- Cubon, unknown to Cullen, Antony Leonard
- Cullen, Archibald to Cullimore, unknown
- Cullinan, Bruno to Culwen, William
- Culwick, Mary to Cumming, Mansfield George Smith
- Cumming, Margaret to Cummins, Richard Swete
- Cummins, Robert Ashley to Cuningham, William, 2nd of Craigends
- Cuningham-Fairlie, Anne to Cuninghame, William, 9th Earl of Glencairn
- Cuninghame, William, Bt. to Cunliffe, William Noel
- Cunliffe-Fraser, Gundred to Cunningham, James of Geise and Reaster
- Cunningham, James of Glengarnock to Cunninghame, unknown of Craigends
- Cunninghame, William to Cuppage, John
- Cuppage, John to Curphey, Thomas
- Curr, Agnes Henrietta to Currey, Maria
- Currey, Mary to Currie, Lyn Maria da Ponte
- Currie, Lynda Barbara to Curtis, Ann
- Curtis, Ann Cecilia Mary to Curtis, John Eustace
- Curtis, John Joseph to Curwen, Elizabeth
- Curwen, Elizabeth Ann to Curzon, James Fergus Nathaniel
- Curzon, James Quintin Penn to Cusack, Henry Edward
- Cusack, Henry Thomas to Cust, Shirlie Edith
- Cust, Sophia to Cutler, William Percival
- Cutliffe, Audrey Grace Chichester to Czacki, Tadeusz
- Czako, Elisabeth Charlotte to Czernin, Theresa Gräfin
- Czerny, Liliane Laure Agnes to D'Arcy, Edith Rose
- D'Arcy, Edward John Wakefield to D'Arcy, Michael
- D'Arcy, Michael Austin to D'Oyly, Edmund, 3rd Bt.
- D'Oyly, Edmund, 4th Bt. to Dacre, William, 5th Lord Dacre
- Dacres Dixon, Anthony John to Dainton, Frederick Sydney, Baron Dainton
- Daintry, Clara Louise to Dalgleish, William
- Dalgliesh, Judith Alison to Dalley, Ronald James
- Dallimore, I A to Dalrymple, Honor Rose
- Dalrymple, Hugh to Dalrymple-Hay, Grace Maria
- Dalrymple-Hay, Gwendyth Margaret to Dalton, Thomas
- Dalton, Thomas to Daly, Hyacinth
- Daly, Hyacinth Picton Gore to Dalyell, Magdalen
- Dalyell, Magdalen to Dalzell, William
- Dalzell, William de to Dampierre, William, Seigneur de Dampierre
- Dampierre-Namur, Margaretha de to Dane, Victoria Alexandrina Katherine
- Dane, William to Daniel, Vincent
- Daniel, Virginia Lea to Daniletto, Leah
- Danilovich, Alexander Gregory to Darby, Elizabeth
- Darby, Elizabeth Anne to Darcy of Navan, 2nd Baron, co. Meath (James)
- Darcy, 1st Lord (Philip) to Dare, Mary
- Dare, Melian to Darley, Harriet Louisa
- Darley, Henry to Darlow, Jennifer Mary
- Darmady, Edward Peter Jonathan to Darroch, Walter Nevill
- Darroch-Thompson, Adam Matthew Robert to Dashfield, Sheila Winifred
- Dashkov, Anna Apollonovna to Dashwood, John
- Dashwood, John to Daubeney de Moleyns, Nelly Edouard Renée
- Daubeney, 1st Baron (Giles) to Daunt, John
- Daunt, John to Davenport, Lorraine
- Davenport, Louisa to David, William Miles
- Davidge, J. B. to Davidson, Jean Elizabeth
- Davidson, Jean Paton to Davie, Elizabeth
- Davie, Elizabeth Rhoda to Davies, Daniel James
- Davies, Daniel Lloyd to Davies, Jessie
- Davies, Jessie to Davies, Richard Harries
- Davies, Richard Peter Owen to Davies-Cooke, Zinnia Mary
- Davies-Evans, Alan Gerwyn Seymoor to Davis, Dudley Wood
- Davis, Dwight Filley to Davis, Kimberley
- Davis, L. F. to Davis, Sidney
- Davis, Sidney Joess to Davison, Thomas Arthur
- Davison, Thomas Harkness to Davys, Ursula
- Davys-Boyd, Catherine to Dawnay, Eileen
- Dawnay, Elizabeth to Dawson, Caroline Jane
- Dawson, Caroline Margaret to Dawson, Mary
- Dawson, Mary Augusta to Day, Benjamin Mark Francis
- Day, Betty V. to De Barry, 4th Baron (Rupert Rodney Francis Tress)
- De Carranza y Rivero, María de Carmen, Marquise de Sala de Partinico to Deacon, Robert Alexander
- Deacon, Robert David to Dean, Phyllis
- Dean, Raymond Harding to Deane, William John
- Deane-Drake, Cecil John Venables to Deasey, Julie Margaret
- Deasy O'Kelly, John Manuel Gerald to Deck, Zoë Lise
- Decka, Jane to Degenfeld-Schonburg, Christoph Otto Imre Ludwig Graf von
- Degenfeld-Schonburg, Christoph-Anton Graf von to Del Río, Sara
- Del Vivo, Livia to Delap, Sarah
- Delap, Susanna to Delmege, Julius James John
- Delmege, Katherine to Demaine, Esther
- Demaine, Esther (Easter) to Demetriadi, Philippa Nancy
- Demeyer, Ayden to Denham, Stephanie Caroline
- Denham, Wendy Ann to Denison, Zinnia Rosemary
- Denison-Pender, Angus James to Denmark, Christine of
- Denmark, Christopher I of to Denning, Venetia Mary
- Dennis, Adolphus Lambert to Dennistoun, Richard
- Dennistoun, Richard James William to Denny, James Barry Lyster
- Denny, James Henry Lyttelton to Dent, Hugo Darling
- Dent, Iona Katherine to Deramore of Belvoir, Baroness (Violet Blanche)
- Derby, 10th Earl of (James) to Deroy, Ulrich Baron von
- Derrett, Raymond Coleridge to Desha, Robert
- Deshayes, Basile Frederic Maria Ferdinand to Desrousseaux, Waltraud
- Dessain, Jerome to Devereux, Edward, 8th Viscount Hereford
- Devereux, Edward, Viscount Hereford to Devine, Susan
- Devitt, 1st Baronet, of Chelsea, in the County of London (Thomas Lane) to Devonshire, Countess of (Mary)
- Devonshire, Duchess of (Amanda Carmen) to Dewar, James Forrest
- Dewar, James Gow to Dewey, Clara
- Dewey, Corinne Rose to Deym, Waltraud Kathrein von
- Deynsell, Elizabeth to Dick, Mary
- Dick, Mary Agatha B. to Dickie, Victoria Louisa
- Dickin, Edward to Dickinson, Samuel
- Dickinson, Samuel to Dickson, Lillian Marguerite
- Dickson, Louisa Charlotte to Diffel, John
- Digby of Geashill, 10th Baron, King's County (Edward Henry Trafalgar) to Digby, Lyneth Anne
- Digby, Mabel to Dilke, Mary
- Dilke, Mary to Dill, Robert Foster
- Dill, Robert Foster to Dillon, Edmund
- Dillon, Edmund to Dillon, Lucas
- Dillon, Lucas to Dillon, unknown
- Dillon, unknown to Dingle, William
- Dingley, Anne to Disney, William Henry Cockerell
- Disraeli, Benjamin to Dixon, Annie
- Dixon, Annie to Dixon, Mary Elizabeth
- Dixon, Mary Frances to Dobbin, Catherine
- Dobbin, Catherine to Dobbin, Thomas Ringland
- Dobbin, Tilton Hemsley to Dobbs, Marianne
- Dobbs, Marianne to Dobree, Margaret Kathrine Carey
- Dobree, Mary Elizabeth to Docker, Thomas Everett
- Dockerie, Dorothy to Dodge, Thomas Patrick
- Dodgshon, Ada Charlotte to Doherty, Rodney Whittard
- Doherty, Rose to Doillon, Paul Amedee Felicien
- Doimi de Frankopan Subic Zrinski, Natasha to Dolphin, unknown
- Dolphinton, Andrew Broune of to Domvile, William Compton, 3rd Bt.
- Domville, 5th Baronet (James Henry) to Donaldson, Charlotte Agnes Mary
- Donaldson, Charlotte Eva to Donegall, Marchioness of (Violet Gertrude)
- Donegall, Viscountess of (Barbara) to Donnellan, Thomas
- Donnelly, Adeliza to Donovan, Susan Elizabeth
- Donovan, Susannah Maria Ouseley to Dorling, Susan Katherine
- Dorlodot, Louise de to Dormand of Easington, Baroness (Doris)
- Dormand, Bernard to Dormer, unknown son
- Dormer, Ursula to Dougal, Yvonne
- Dougall, Agnes to Douglas, Ann-Marie von
- Douglas, Anna Louisa Victoria to Douglas, Edwin
- Douglas, Egida (Jill) to Douglas, Helen Alice
- Douglas, Helen Christina Joanna to Douglas, Jillian Rosamond Florence
- Douglas, Joan to Douglas, Mary
- Douglas, Mary to Douglas, unknown daughter
- Douglas, unknown daughter to Douglas-Hamilton, Gertrude Eleanor
- Douglas-Hamilton, Hamilton Anne to Douglas-Pennant, Linda Blanche
- Douglas-Pennant, Louisa Mary to Douvres, Rose de
- Douwes, Anita to Dowden, William George
- Dowdeswell, Ann to Dowman, Rosemary
- Down, Alastair Frederick to Downie, William
- Downing, 1st Baronet (George) to Dowsett, William E.
- Dowsing, Anne to Doyne, John
- Doyne, John to Drake, Edmund
- Drake, Edwina Margaret Fiona to Drake, Winifred
- Drake-Briscoe, Carol to Dredge, Simon James
- Dreesmann, Bernard to Drew, William Wilson
- Drew-Smythe, David to Dring, William Henry
- Drinkwater, Abigail to Droz, Patrice
- Drozdowski, Celene Mary to Drummond, Edgar Atheling
- Drummond, Edith Charlotte to Drummond, John William
- Drummond, John William Ainslie to Drummond, William Henry, 9th Viscount Strathallan
- Drummond, William Huntley to Drury, Gladys Henderson
- Drury, Glenise to Dryden, William
- Dryer, Douglas Poole to Dubs, Winifred Elizabeth Charlotte
- Dubuisson, Margaret Letitia to Duckmanton, Murchison
- Duckwitz, Luise to Dudgeon, Penelope Ann
- Dudgeon, Peter to Due Sicilie, Teresa delle
- Duek, Cheryl Lynn to Duff, Emma
- Duff, Enid Blackburn to Duff, Margaret
- Duff, Margaret to Duffield, Eileen
- Duffield, Elaine to Dugdale, Frank
- Dugdale, Fred Eric to Duhamel, Oliver
- Duhau y Noceti Finocchio, Ana Maria Candelaria to Dumbrill, Richard
- Dumbrille, Helen Frances to Dunbar, Cecilia de
- Dunbar, Charles Gordon-Cumming of Northfield, 9th Bt. to Dunbar, Janet
- Dunbar, Janet to Dunbar, Sophia
- Dunbar, Sophia to Duncan, Christina Lalage
- Duncan, Christina Muriel to Duncannon, Viscountess (Sarah)
- Duncanson, Isobel to Dundaff, 8th Viscount of (James)
- Dundas of Aske, 1st Baron, co. York (Thomas) to Dundas, Dorothy
- Dundas, Dorothy Anne to Dundas, James of Dundas
- Dundas, James of Dundas to Dundas, Matthew Colgate
- Dundas, Maud to Dundas, Zachary David
- Dundee, 10th Earl of (Henry) to Dunham, Walter Victor
- Dunhill, Benedict to Dunlop, Jane Christian
- Dunlop, Janet to Dunn, Chen Yin
- Dunn, Cherry Eugenia Perestrello to Dunne, Martin
- Dunne, Martin to Dunsandle and Clanconal, 4th Baron, of Dunsandle, co. Galway (James Frederick)
- Dunsany, 10th Lord (Randal) to Dunwoody, Gwyneth Patricia
- Dupen, Arthur Philip Leslie to Durand, Henry Marion
- Durand, Henry Marion to Durie, Geih
- Durie, Geilles to Durrant, Margaret
- Durrant, Margaret to Dutton, Jane
- Dutton, Jane Mary to Dwyer, Robert Hoare
- Dwyer, Robert Kelly, Jr. to Dyer, Nina Sheila
- Dyer, Noel George to Dylon, Thomas
- Dymock Maunsell, Rupert Jonathan to Dyson, W.
- Dyson-Laurie, Gwen Gertrude Mary to Eagles, William
- Eaglesfield, Mary Ryland to Eardley-Wilmot, Matilda Jessie
- Eardley-Wilmot, Matthew Ronald to Earle, Marion Elizabeth
- Earle, Martin to Eastaugh, William Ross Jamie
- Eastell, Georgina Jane to Eaton, Robert Young
- Eaton, Rosalind Mabel to Ebrahim, Zulfiqar Ali Currimbhoy
- Ebrington, 1st Viscount, co. Gloucester (Hugh) to Echlin, Mary Christine
- Echlin, Mary Grace to Eden, Andrew J.
- Eden, Ann Caroline to Eden, Joan Bridget Constance
- Eden, Joan Edith to Eden, Winifred Anna
- Eden-Hamilton, Amelia Anne to Edge, Mary Margaret
- Edge, Paul to Edmiston, Robert Norman, Baron Edmiston
- Edmond, Alice to Edmonstone, Neil Benjamin
- Edmonstone, Neil Benjamin to Edwardes, Hubert William John
- Edwardes, Hugh Francis to Edwards, Ellen Mary
- Edwards, Elliw to Edwards, Margaret
- Edwards, Margaret to Edwards, Wynne Elisabeth
- Edwards-Heathcote, Eleanor Marion to Egerton, Amelia
- Egerton, Amelia to Egerton, John
- Egerton, John to Egerton, unknown daughter
- Egerton, unknown daughter to Egerton-Warburton, John
- Egerton-Warburton, John to Eglinton, Countess of (Grace)
- Eglinton, Countess of (Helen) to Einsiedel, Sophie von
- Einsiedel, Therese von to Elcock, Ward
- Eld, Charlotte Isabelle to Elgin, Robert
- Elgne, Blanca Maria Stella to Eliott, Anne
- Eliott, Anne to Eliott, Stuart Heathfield
- Eliott, Theresa to Ellerton, William Mark
- Ellerton-Long, Albert to Elliot, Charles Francis Desmond
- Elliot, Charles Sinclair to Elliot, Rebecca
- Elliot, Robert to Elliott, Elinor
- Elliott, Eliza Harriet Rosemary to Elliott-Cooper, Sarah
- Elliott-Smith, Charles Hume to Ellis, Kathryn Faye
- Ellis, Kenneth to Ellison, William Bertram
- Ellison-Macartney, Elizabeth Phoebe to Elphinstone, Alexander, 4th Lord Elphinstone
- Elphinstone, Alexander, 5th Lord Elphinstone to Elphinstone, Margaret Norah
- Elphinstone, Margaret Rachel to Elster, Michael B.
- Elsthorp, Ida von to Elton, Mary
- Elton, Mary to Elverson, Sallie
- Elvery, Beatrice Moss to Elwin, Verity Ann
- Elwood, Anna Jane to Emerson, Joseph
- Emerson, Judith Ann to Emmott, Hannah
- Emmott, Irene Mary Egidia to Enghein, Seigneur d' (Walter IV)
- Enghien, John of to English, John Neville
- English, Joseph Edward to Envermeu, Poppa
- Enwright, Moya Lillian to Erbach-Fürstenau, Graf von (Philip Karl)
- Erbach-Fürstenau, Graf zu (Adalbert Adolf) to Erickson, Suzanne
- Ericson, Daniel to Ernys, Roger de
- Eroles, Rosa Florentina to Erskine, Alexander
- Erskine, Alexander to Erskine, Edith Wilhelmina
- Erskine, Edmond Waterton Coningsby to Erskine, Jane Silence
- Erskine, Janet to Erskine, Mary
- Erskine, Mary to Erskine, Yeats
- Erskine, Yvonne Constance to Esmarch, Unnamed son von
- Esmond, 1st Lord, Baron of Lymbrick, co. Wexford (Laurence) to España, Ferdinand I
- España, Ferdinand Maria Ludwig Franz d' to Essex, Countess of (Frances)
- Essex, Countess of (Frances) to Esterhazy von Galantha, Szilvia Gräfin
- Esterhazy, Bunny to Etchegoyen, Vincent
- Etchelles, Edward Evans to Eustace, Benjamin lan
- Eustace, Berenice to Eustace, Mary
- Eustace, Mary to Evangellatos, Larissa
- Evans of Claughton, Baron, of Claughton in the County of Merseyside (David Thomas Gruffydd) to Evans, Constance Dove
- Evans, Constance Jessie to Evans, Frances Lucy
- Evans, Frances Mary to Evans, John
- Evans, John to Evans, Michael Charles Elmore
- Evans, Michael David Agnew to Evans, Tessa Ann Vosper
- Evans, Thelma to Evans-Tipping, Guy Edward Francis
- Evanson, Arthur Charles Tarver to Evelyn, Elizabeth
- Evelyn, Elizabeth to Everard, Katherine Sophie
- Everard, Kathleen to Evers, William Leslie
- Evers-Swindell, Elisabeth Maud to Every, Winifred Jessie
- Every-Clayton, Alan William to Ewart, Colin Derek
- Ewart, David to Ewing, Winsome
- Ewings, Sarah to Exshaw, Minnie
- Exshaw, Muriel to Eyre, Edward
- Eyre, Edward to Eyre, Mary
- Eyre, Mary to Eyton, William Henry Plowden
- Eywaz, F. to Fagan, Carolin
- Fagan, Caroline to Fagan, Margaret Pauline
- Fagan, Maria to Fagge, William, 5th Bt.
- Fagnani, Maria Emilia to Fairbairn, Patrick
- Fairbairn, Patrick to Fairfax of Emmeley, Viscountess (Mary)
- Fairfax, 1st Baronet, (Henry) to Fairfax, Mary
- Fairfax, Mary to Fairley, Tatiana Louise
- Fairlie of Fairlie, 1st Baron, Ayrshire (David) to Falcon, William Garthshore
- Falconar, Annette Marion Harriette to Falkiner, John Leslie
- Falkiner, Kathleen Mary to Fallowfield, William
- Falls, John Alexander Wright to Fane, Ellen
- Fane, Ellen to Fane, Robert Gerald
- Fane, Robert Trefusis to Faoro, Shirley
- Farace di Villaforesta, Marchese (Giovanni) to Farmer, Norah Isobel
- Farmer, Pamela Mary to Farquhar, Diana Susan
- Farquhar, Diane to Farquharson, Donald
- Farquharson, Donald to Farquharson, Robert
- Farquharson, Robert to Farrar, Walter Frederick
- Farrell, Anne to Farrer-Halls, Mary Clare
- Farrewell, George to Farwell, Margaret Enid
- Fascalzie, a to Faulkner, Margaret Annette
- Faulkner, Marguerite to Favot, Vittorio Emmanuel
- Favre, Noemi to Fayle, unknown son
- Fayrer, 1st Baronet, of Devonshire Street, St. Marylebone (Joseph) to Fedrett, William of
- Fedyk, Christohpe James van to Feilding, Anne
- Feilding, Anne to Feilding, Winefride Mary Elizabeth
- Feilding-Crawley, Marian Charlotte Joan to Fellowes, David Lyon
- Fellowes, Diana Rosamond to Fellows, Walter
- Fels, Heinrich von to Fenton, Margaret
- Fenton, Margaret to Fenwicke-Clennell, Warren
- Fenzi, John M. Douglas de to Ferguson, Dorothy Beatrice
- Ferguson, Dorothy Mary Kate Susie Emily Vaughan to Ferguson, William of Raith
- Fergusson, 'The Rose of Antrim' to Fergusson, Louise Frances Balfour Stratford
- Fergusson, Louise Mary to Fermoy, Baroness (Tessa Fiona)
- Fernan-Nunez, 1st Duque de (Carlos) to Ferrara Pignatelli, Vincenzo
- Ferrara, Boniface de to Ferrers, Marie de
- Ferrers, Mary to Fesefeldt, Wiebke
- Fesler, Malinda to Fetherstonhaugh, George
- Fetherstonhaugh, George to Fetherstonhaugh, Yvonne Maud
- Fetherstonhaugh-Frampton, Dora Adelaide to fforde, Sarah Anne
- fforde, Thomas Roderick to ffrench, Robert Percy
- ffrench, Robocke to Field, unknown
- Field, William to Fielding, Zoë Anne Clare
- Fielding-Hall, Evelyn Margaret to Fife, Richard William
- Fife, Robert James to Filgate, William Rodolph
- Filho, Lucinda Grace to Finch, Henrietta Lucy Anne
- Finch, Henry to Findlater, Charles
- Findlater, Charles to Fingall, Maud
- Finger, Marcia Jane to Finley, William Wilson Jr.
- Finlinson, Joanna Lesley to Finnie, Jessie
- Finnie, Jessie Boyd to Firbank, unknown son
- Fircks, Alexandra Baronin von to Fish, Sarah Stutson
- Fishbourn, Isabella to Fisher, H.
- Fisher, H. W. to Fisher, Susan Carol
- Fisher, Susan Josephine to Fitch, William
- Fitches, Thomas to FitzAlan, Mary
- Fitzalan, Mary to FitzGerald, Andrew
- FitzGerald, Andrew Joseph to FitzGerald, Dorothea Anne
- Fitzgerald, Dorothea Frances to FitzGerald, Eustace Robert Southwell
- FitzGerald, Eva to Fitzgerald, Iris Mary
- Fitzgerald, Isabel to FitzGerald, Katherine Lucy
- FitzGerald, Katherine Mary to FitzGerald, Maurice, 16th Knight of Kerry
- FitzGerald, Maurice, 18th Knight of Kerry to FitzGerald, Thomas
- FitzGerald, Thomas to FitzGibbon of Lower Connello, Baroness (Anne)
- FitzGibbon of Sidbury, 1st Baron, co. Devon (John) to Fitzgibbon, Mary Monica
- Fitzgibbon, Mary Susanna Doherty to Fitzherbert, Basil
- Fitzherbert, Basil Edward to Fitzherbert, John
- Fitzherbert, John to Fitzherbert, William
- FitzHerbert, William to Fitzjohn, Tudor
- FitzLewes, Henry to FitzMaurice, Frederick O'Bryen
- FitzMaurice, Gamalial to Fitzmaurice, Maurice Harman
- Fitzmaurice, Maurice Henry to FitzPatrick, John
- Fitzpatrick, John to FitzRoy, Emma
- FitzRoy, Emma Kalunao Nalani to FitzRoy, Yvonne Alice Gertrude
- Fitzroy-Scudamore, Charles to FitzWilliam, Maud
- FitzWilliam, Maud Frederica Elizabeth to Flanagan, Veronica
- Flanaghan, Georgina Maria to Fleetwood-Hesketh, Roger
- Flegg, Aubrey Martin to Fleming, Hannah Elizabeth
- Fleming, Harold Murray to Fleming, Sarah
- Fleming, Sarah to Fletcher, Elizabeth
- Fletcher, Elizabeth to Fletcher, Mary Margaret
- Fletcher, Mary Teresa to Flight, Howard Emerson, Baron Flight
- Flindall, Albert to Florence, Mabel Clarice
- Flores, Beatrice Tehina to Flower, Zoë Mary
- Flowerday, Harriet Elizabeth to Flydane, Elizabeth
- Flyer, Jill Mary to Foley of Kidderminster, Baroness (Patricia)
- Foley, 'the Nailer' to Foley, Paul
- Foley, Paul to Folkes, William
- Folkestad, Ellen to Fontanelli, Priscilla Jean
- Fontange, Louis Claude de to Footter, Sarah
- Foottit, Anthony C. to Forbes, Alice Margaret Whitelaw
- Forbes, Alice Park to Forbes, Dorothy
- Forbes, Dorothy Charlotte Mary Eleanor to Forbes, Helen Morag
- Forbes, Helen Roslyn to Forbes, John, 6th Lord Forbes
- Forbes, John, 7th of Newe to Forbes, Pamela Patricia
- Forbes, Pamela Susan to Forbes, William of Craigievar, 5th Bt.
- Forbes, William of Culquhonny to Forbin, Pauline de
- Forbutt, Gertrude Agatha to Ford, Gay
- Ford, Gaye to Ford, Paulina Mary Pepys
- Ford, Pauline Mary to Forde, Mary Anne
- Forde, Mathew to Forester, Mary
- Forester, Mary Eleanor to Formby, Sarah Jane
- Forme-Becherat, Francois to Forrester-Paton, Mary Emma Louise
- Forret, Agnes to Forster, William Edward
- Forster-Cooper, Barbara to Fortescue of Castle Hill, Baroness (Hester)
- Fortescue of Credan, 1st Baron, co. Waterford (John) to Fortescue, Lulu
- Fortescue, Margaret to Forwood, Jane
- Forwood, Jennifer Jane to Foster, Elizabeth
- Foster, Elizabeth to Foster, Millicent Agnes Mary
- Foster, Morgan Hugh to Foster-Vesey-Fitzgerald, William Vesey Leslie
- Fotherby, Charles to Foulis, William, 7th Bt.
- Foulis-Obsdale, George Munro of Culraine (see MUNRO OF to Fowke, Sarah Mary
- Fowke, Sophia to Fowler, Marshall Robinson
- Fowler, Mary to Fox, Caroline
- Fox, Caroline Aileen to Fox, Francis
- Fox, Francis to Fox, Kay Rosemary Devereux
- Fox, Keith Stephen to Fox, Samuel
- Fox, Samuel to Fox-Strangways, Isabella Mary
- Fox-Strangways, Jane to Fraguier, Patrick de
- Fraguier, Paul de to Frampton, Sophia
- Frampton, Sophia to France, Radegonde de
- France, Richard de to Francis, Wolstan
- Francis-Williams, Baron, of Abinger in the County of Surrey (Edward Francis) to Frank, Ronald Carl
- Frank, William to Frankland, William, 1st Bt.
- Frankland-Payne-Gallwey, Edith Alice to Franks, Ellen
- Franks, Emelie to Franquefort, Peter James
- Franquemont, Eleanore de to Fraser, Antonia Mary
- Fraser, Arabella Katherine to Fraser, Helen
- Fraser, Helen to Fraser, Lucy Marjorie Kathleen
- Fraser, Mabel Lily to Fraser, Thomas
- Fraser, Thomas to Frazer, William John Andrew
- Frazier, Henry S. to Frederick, Thomas
- Frederick, Thomas to Freeman, Katharine
- Freeman, Katharine Noel to Freitas Branco, Silvano, Vizconde do Porto da Cruz
- Freke, 1st Baronet, of Rathbarry (Ralph) to Fremantle, Sarah Bridget
- Fremantle, Sarah Maud to French, Elinor
- French, Elizabeth to French, Kerynne Diane
- French, Kevin Michael to French, Stephen
- French, Stephen to Frend, Samuel
- Frend, Samuel to Frew, Phyllis Frances
- Frewen, Amy Mary to Friedrich, Irene
- Friedrichs, Josephine to Frodsham, William B
- Froehner, Irma Benedikta to Frowde, Susannah
- Frowein, Alexander to Fry, William Henry
- Fry, William Storrs to Fulford, Sibell Eleanor Maud
- Fulford-Dobson, Elizabeth B. M. R. to Fuller, Lucy Ann
- Fuller, Mabel to Fullerton, William, Lord Spynie
- Fullerton-Carnegie, David Howard to Furnell, John Massy
- Furnell, John Thomas to Furse, Margaret Cecilia
- Furse, Margaret Frances to Fyler, Mary
- Fynamore, Alice to Fürstenberg, Erwein Baron von
- Fürstenberg, Felicitas Baronin von to Gabbett, Fanny Amelia
- Gabbett, Fanny Mabel to Gablenz, Richard Baron von
- Gabler, Constance Webley to Gage, Arabella Elizabeth
- Gage, Arrol to Gage, Maria Theresa
- Gage, Marianne to Gaigneron de Marolles, Marie Helene de
- Gaigneron-Morin, Axelle de to Gaire, William
- Gairloch, 1st Viscount (John) to Galbraith, Jane Emily Charlotte
- Galbraith, Jane Valerie to Galen, Gabriela Gräfin von
- Galen, Georg Graf von to Gallagher, Wendy Jill
- Gallagher, Zenith Catherine to Galloway, Wray Bury
- Gallson, Janet to Galton, William Pitciarn
- Galtrim, Baron of (Edward Horatio) to Galwey, James
- Galwey, James Butler to Galwey, William St. John
- Gam, David to Gamble, Sylvia Helen Jean
- Gamble, Tessa Marion to Ganzoni, Mary Jill
- Gape, Emily Louisa to Gardham, Solomon William
- Gardhouse, Letticia to Gardiner, William Neville
- Gardiner-Hill, Alice to Gardner, Sheila Margaret
- Gardner, Susan to Garlies, Lord (Alexander)
- Garman, Cecily Mary Gertrude to Garnett, Sophia
- Garnett, Stephen Thomas to Garrard, William
- Garratt, (?) to Garrs, William
- Garry, Anne Phoebe to Garton-Ovenden, Nea Kathleen Elizabeth Clare
- Gartside, Evelyn Alice to Gascoigne, –
- Gascon, Alice to Gaskell, Thomas Kynaston
- Gaskell-Brown, Donald to Gates, Reginald Ruggles
- Gates, Richard Thomas Fairfax to Gaunt, Sheila Marie
- Gauntlett, Mary to Gawne, unknown
- Gawronska, Maria Grazia to Geach, Peter Orlando
- Geacintov, Cyril to Geddes, John
- Geddes, John to Geiyt, Philip le
- Gelabale, Cécile to Gemmill, William
- Gemmingen-Guttenberg, Christoph Friedrich von to George, James Henry Noel
- George, Jane to Gerard, Frederick
- Gerard, Frederick John, 3rd Baron Gerard of Bryn to Germon, Violet Alice
- Germund, Alveric Fitz to Gethin, Mabel
- Gethin, Margaret to Giacomuzzi, Luciano
- Giacomuzzi-Moore, Anna to Gibbon, Gillian Elizabeth
- Gibbon, Helen Louise to Gibbons, Loveday Georgina
- Gibbons, Lucinda Mary to Gibbs, Denis Dunbar
- Gibbs, Denis Lucius Alban to Gibbs, Mary
- Gibbs, Mary to Gibson, Anna
- Gibson, Anna Maria to Gibson, Jennifer
- Gibson, John to Gibson, William
- Gibson, William to Gielgud, Violet Rose Elizabeth
- Giels, Frances Clotilde to Giffard, Thomas
- Giffard, Thomas Arthur Walter to Gigli-Cervi, Severina
- Giglione, Georges to Gilbey, Beverley Anne
- Gilbey, Beverley Margaret Alice to Gilby, Linda
- Gilchrist, Agnes to Giles, Winifred Gladys
- Gilfillan, Beryl to Gill, William Stephens
- Gillam, Alice Tyndale to Gillham, Sarah
- Gilliam, Alvin Bruce to Gillman, Herbert Robert
- Gillman, Herbert Webb to Gilmore, William
- Gilmour of Craigmillar, Baron, of Craigmillar in the District of the City of Edinburgh (Ian Hedworth John Little) to Gimblett, Patricia
- Gimena de Manas, Caridad to Giroult des Brosses, Xavier
- Giroux, Linda May to Gladstone, Helen
- Gladstone, Helen Jane to Glamis, Master of (Thomas)
- Glamorgan, Earl of (Edward) to Glasow, Erhard von
- Glaspie, Eliza to Glegg, William
- Gleibur, Graf von (Heribert) to Glendyne, Baroness (Ivy May)
- Gleneagles, George Haldane of to Glogan, Moyra
- Glogau, Anne von to Glover, unknown
- Glover, unknown to Glyn, Lyndsay Mary
- Glyn, Mabel to Glynne, William, 2nd Bt.
- Glynne, William, 5th Bt. to Goddard, Robert
- Goddard, Robert Victor to Godlee, Stephen
- Godley, Adeline to Godschalch, Joas
- Godschall, unknown wife to Goff, Winifred
- Goffe, Anne to Goldberg, Herbert
- Goldberg-Steuart, Donald Arthur to Goldsmid, Yeats H.
- Goldsmid-Stern-Salomons, David Lionel, 2nd Bt. to Gomes, Augusta
- Gometz, Hodienne de to Gonzaga, Luise Marie de
- Gonzaga, Margherita to Gooch, James Fletcher
- Gooch, Jane to Goodbody, Anne
- Goodbody, Anne to Goodbody, James Perry
- Goodbody, James Peter to Goodbody, Philip Marcus
- Goodbody, Philip Perry to Gooden, Yvonne
- Gooden-Chisholm, Anne Elizabeth to Goodhart, Tessa Margaret Thornton
- Goodhart, Valerie to Goodrich, Wilfred Thomas
- Goodrick, Albert to Goold, Eleanor Hawkins
- Goold, Eliza to Gordon of Badenoch, 9th Lord (George)
- Gordon of Drumearn, Baron, in the County of Stirilingshire (Edward Strathearn) to Gordon, Annabella
- Gordon, Annabella Brydon to Gordon, Constance Josephine Minna
- Gordon, Cosmo to Gordon, Fraser John Murray
- Gordon, Freda Edith to Gordon, James
- Gordon, James to Gordon, John Frederick
- Gordon, John Frederick to Gordon, Margaret
- Gordon, Margaret to Gordon, Robert of Gordonstoun, 3rd Bt.
- Gordon, Robert of Lochinvar to Gordon, William, 18th Earl of Sutherland
- Gordon, William, 1st in Minmore to Gordon-Lennox, Lucinda Jean
- Gordon-Lennox, Lucy Elizabeth to Gore, Christine Mary
- Gore, Christopher Charles to Gore, John
- Gore, John to Gore, St. George, 8th Bt.
- Gore, St. John to Gore-Langton, William Henry Powell
- Gorecka, Anna to Goring, John
- Goring, John to Gorsuch, Terence Richard
- Gort, 1st Viscount, co. Galway (John) to Goshawk, Ida Mary
- Goslett, Alan Tatham to Gossage, William Winwood
- Gosschalk, Caroline France to Goudie, Thomas James Cooper
- Goudime-Levkovitsch, Alexandra to Gough, S. J.
- Gough, Sabina to Gould, James
- Gould, James to Goulding, Yvonne Denise
- Gouldsbury, Lucinda to Gousett, Sarah
- Goushill, Elizabeth to Gowlland, Vera Rose Marriott
- Gowran, 1st Baron (Richard) to Grace, Elizabeth
- Grace, Erasmus to Grafton, Wendy
- Grafton-Dare, Elizabeth to Graham, Brian Robert
- Graham, Bride Donalda Elspeth to Graham, Emily Mary
- Graham, Emily Sophia to Graham, James Anthony
- Graham, James Augustus to Graham, Margaret
- Graham, Margaret to Graham, Robert Balfour
- Graham, Robert Bruce to Graham, William, 2nd Earl of Montrose
- Graham, William, 2nd Lord Graham to Grainger, Thomas Cecil
- Grairer, Florent de to Grandison, William, 1st Lord Grandison
- Grandmesnil, Pernel to Grant, Anna Laura
- Grant, Anna Mary Catherine to Grant, Elizabeth
- Grant, Elizabeth to Grant, James MacAlpine Gregor
- Grant, James Murray to Grant, Margaret
- Grant, Margaret to Grant, Solomon
- Grant, Sophia to Grantchester, Baroness (Mara Henrietta)
- Grantham, 1st Baron, of Grantham, co. Lincoln (Thomas) to Grattan, Emma
- Grattan, Emma Jane to Graves, Amelia
- Graves, Amelia to Graves, Margaret
- Graves, Margaret to Gray, Ann Jean
- Gray, Anna to Gray, Eveline Rosetta
- Gray, Evelyn Mary to Gray, Kate
- Gray, Kate to Gray, Robert
- Gray, Robert to Grayburn, William Echlin Hollington
- Graydon, Alexander to Greathead, William Wright
- Greathed, Alice to Greece and Denmark, Theodora of
- Greece, Alexandros I of to Green, Gertrude Florence
- Green, Gladys to Green, Richard John Sebastian
- Green, Richard Michael Crawley-Boevey to Greenacre, Walter Douglas Campbell
- Greenall, 1st Baronet, of Walton, Chester (Gilbert) to Greene, Edith
- Greene, Edith Elizabeth to Greene, Lydia
- Greene, Lydia to Greene, Wynfred
- Greenebank, Mary to Greenough, Tracey
- Greenould, Penelope to Greenwell, Winifred Eyre
- Greenwich, 1st Baron (Philip) to Greer, Anne
- Greer, Anne to Greer, Louisa
- Greer, Louisa Jane to Greeves, Augustin
- Greeves, Averil Winifred to Greeves, Rebecca Evelyn Radford
- Greeves, Reginald Affleck to Gregorie, unknown
- Gregorson, Angus of Durren to Gregory, Richard A. V.
- Gregory, Richard Allott Tighe to Greig, William
- Greig-Edwards, Charles to Grenfell, unknown daughter
- Grenfell, unknown daughter to Gresley, William
- Gresnoir, Jeanne de to Grew, Richard David
- Grewcock, Caroline Hume to Grey, Benedict Justin
- Grey, Berenice Anna Adams to Grey, Emily Augusta Louisa de
- Grey, Emily Elizabeth Julia de to Grey, John
- Grey, John to Grey, Paul
- Grey, Paul Francis to Grey-Egerton, Violet Edith
- Grey-Hill, A. to Grierson, Gilbert
- Grierson, Gilbert to Grierson, Walter of Dalmacurran
- Grierson, William to Griffin, Mary
- Griffin, Mary to Griffith, Nesta Katharine
- Griffith, Nina to Griffiths, Mary
- Griffiths, Mary to Grimaud, unknown son de
- Grimaudet de Rochebouet, Valentine de to Grimston, John Duncan, 7th Earl of Verulam
- Grimston, John Lionel Charles to Grocott, Sally Barbara Kay
- Groda-Kowalski, Jan to Grosner, John Beverley (Reverend Saint)
- Gross von Trockau, Benedikta Baronin to Grosvenor, Richard le
- Grosvenor, Richard, 1st Bt. to Grove Annesley, Sara Augusta Ruth
- Grove, 1st Baronet, of Ferne, Wiltshire (Thomas Fraser) to Grove, Mary Grace Montgomery
- Grove, Mary Gray to Grover, Mary
- Grover, Mary to Grubb, Dermot O'Callaghan
- Grubb, Desmond Henry to Grubb, John Burlingham
- Grubb, John Burnyeat to Grubb, Richard
- Grubb, Richard to Grubbe, Richard
- Grubbe, Robert to Grubbs, William Rightmire
- Grube, Belinda Gaye to Grève, Henri
- Gröller, Alexander von to Gudenus, Moritz von
- Gudenus, Paula Maria Johanna Reichsfreiin von to Guest, Diana Charlotte
- Guest, Donna Jean to Guignet, Victoria
- Guigues de Moreton de Chabrillan, Anna to Guinness, Anne Lee
- Guinness, Anne Rebecca to Guinness, Jane Agnes Maud
- Guinness, Jane Mary Lucretia to Guinness, Winifred
- Guinness, Zara to Guise, Louise de
- Guise, Louise de to Gully, Samuel Thomas (Reverend)
- Gully, Sheila to Gundry, Vyvien Frances
- Gunion, Arthur Robert to Gunn, Ruaraidh
- Gunn, Sarah Jane Alicia to Gunson, William
- Gunsteren, Harry von to Gurney, Christopher
- Gurney, Christopher Hay to Gurney, Winifred
- Gurnhill, Christopher James to Guthrie, Margaret Compton
- Guthrie, Margaret Monteith to Gwatkin, Frederick John Stapleton
- Gwatkin, George Legh to Gwynn, Sylvia
- Gwynnan, Gwaithfoed ap to Gybbon-Monypenny, William York
- Gybson, Elizabeth to Habingdon, Richard
- Habington, Mary to Habsburg, Wolfgang von
- Habsburg-Este, Franz IV to Habsburg-Lothringen, Gislinde von
- Habsburg-Lothringen, Gregor, Erzherzog von Österreich to Hackett, Elizabeth
- Hackett, Elizabeth Kathleen to Hackett, unknown daughter
- Hackett, unknown daughter to Haddock, unknown daughter
- Haddon, Alice to Hadwen, Susan Jane
- Hadwiger, Friedrich Karl Ernst to Haggerston, Mary
- Haggerston, Mary to Haig, John
- Haig, John to Hainaut, Yolande de
- Haine, Di to Haldane, David
- Haldane, David to Halder, William
- Haldevang, Bernard Goetz Michael Imka de to Hales, Olive
- Hales, Rebecca to Halkett, Mary
- Halkett, Mary Anna to Hall, Charles Pell
- Hall, Charles Robert to Hall, Francis
- Hall, Francis to Hall, John
- Hall, John to Hall, Mildmay Francis
- Hall, Mildred Constance to Hall, Thomas Erskine Arthur
- Hall, Thomas Guppy Sarsfield (Reverend) to Hallett, Wyndham Hughes
- Hallewell, Joseph Watts to Hallowell-Carew, Coralie
- Hallowes, Anne to Halsey, Robin
- Halsey, Ruth to Hambling, William James
- Hamblington, Ellen to Hamer, Shirley Margaret Wynne
- Hamersley, Adelaide Sophie to Hamilton, Agnes
- Hamilton, Agnes to Hamilton, Anne, 3rd Duchess of Hamilton
- Hamilton, Anne-Louisa to Hamilton, Charles
- Hamilton, Charles to Hamilton, Edith Maud
- Hamilton, Edith Maude to Hamilton, Frances
- Hamilton, Frances to Hamilton, Hamilton Charles James
- Hamilton, Han to Hamilton, Isabella
- Hamilton, Isabella Chatelaine to Hamilton, Janet
- Hamilton, Janet to Hamilton, John William Stirling
- Hamilton, John, 1st Bt. to Hamilton, Margaret
- Hamilton, Margaret to Hamilton, Michael Frederick
- Hamilton, Michael Gerhardt to Hamilton, Rosalie Alma Georgina dunm
- Hamilton, Rosalind Cecilia Caroline to Hamilton, Victoria Henrietta
- Hamilton, Victoria Jane to Hamilton-Dalrymple, Walter of North Berwick, 8th Bt.
- Hamilton-Davie, Pamela to Hamilton-Temple-Blackwood, Victoria Alexandrina
- Hamilton-Wedderburn, Aileen Mary to Hammick, Mabel Emily
- Hammick, Marion to Hammond-Graeme, Nora Lonsdale
- Hammond-Maude, Clarissa to Hampton, Carole Joyce
- Hampton, Caroline to Hampton, Ian George
- Hampton, Ian Kenneth to Hampton, Mary Ann
- Hampton, Mary Anne to Hampton, Tony
- Hampton, Tony to Hanbury, CHARLES HANBURY later HANBURY-TRACY
- Hanbury, Charles HANBURY later HANBURY-WILLIAMS to Hanbury, Thomas
- Hanbury, Thomas Charles to Hancock, Ralph Escott
- Hancock, Rebecca to Handcock, Robert
- Handcock, Robert to Hanham, Maud Phelips Agatha
- Hanham, Michael William, 12th Bt. to Hankey, Malcolm R. Alers
- Hankey, Margaret to Hanmer, Anne
- Hanmer, Anne to Hanmer, Marguerite Frances
- Hanmer, Maria to Hannah, Zeta
- Hannam, Barnaby to Hannay, William Victor Bladsworth
- Hanne, Edmond to Hanover, William IV, King of the United Kingdom
- Hanrahan, Johanna to Hanstein, Wilhelmine von
- Hantschel, Rudolf to Harbord, Patience
- Harbord, Patrick Rupert Shirley to Harcourt, John de
- Harcourt, John de to Hardcastle, Thomas Augustus
- Hardeby, Anne to Harding, Elizabeth
- Harding, Elizabeth to Hardinge, Charles, 1st Baron Hardinge of Penhurst
- Hardinge, Charles, 2nd Bt. to Hardwicke, Countess of (Elizabeth Scot)
- Hardwicke, Countess of (Ellen) to Hardy, Theodora Margaret
- Hardy, Theresa to Hare, Hugh Henry
- Hare, Hugh Henry to Hare, Winifred Anna Georgina
- Hare-Clarges, Anna Maria to Hargreaves, Harry Edgar
- Hargreaves, Henry to Harington, Louisa Alice
- Harington, Louise Frances Amy to Harlech, Baroness (Sylvia)
- Harleston, Alice to Harman, Thomas
- Harman, Thomas to Harmsworth, Pansy Nina
- Harmsworth, Patricia Evelyn Beverly to Harper, Henry John Chitty
- Harper, Henry Preston Barrington to Harragin, William Lee
- Harral, Charlotte Georgiana to Harris of Seringapatam and Mysore, Baroness (Sarah)
- Harris Temple, Reginald to Harris, Elizabeth
- Harris, Elizabeth to Harris, John
- Harris, John to Harris, Reginald Waugh
- Harris, Rerehuia Rau Aroha to Harrison, Allan
- Harrison, Amanda Elizabeth to Harrison, Eliza Thomasina
- Harrison, Elizabeth to Harrison, J. H.
- Harrison, J. Michael to Harrison, Mary
- Harrison, Mary Alice to Harrison, Theresa Margaret Mary
- Harrison, Thomas to Harrson, Michael
- Harry, Mary to Hart, Edith Maude
- Hart, Edward to Hart, Yvonne Elizabeth
- Hart-Andrews, Leroy James to Hartig, Michaela von
- Hartig, Natalie Gräfin von to Hartley, Sylvester Moorhouse
- Hartley, T. W. to Hartstonge, Standish, 2nd Bt.
- Hartstronge, Charlotte to Harvey, Charles Donald Crosbie
- Harvey, Charles Henry to Harvey, Henry Cavendish
- Harvey, Henry John to Harvey, Oliver Charles Harvey, 1st Baron Harvey of Tasburgh
- Harvey, Oliver John Edward Giuseppe to Harvie, Walter Bruce
- Harvie-Watt, 1st Baronet, of Bathgate, co. Linlithgow (George Steven) to Hase, Leonie Charlotte
- Hase, Liselotte to Haslam, Winifred Julia
- Hasleby, Sarah to Hastings, 23rd Lord (Delaval Thomas Harold)
- Hastings, 2nd Lord (Edward) to Hastings, Emma Mary
- Hastings, Emma Sophia to Hastings, Margery de
- Hastings, Maria to Hastings-Ison, William Henry
- Hasty, Catherine to Hattam, Lionel Barrie
- Hatten, John van to Haughton, Anne
- Haughton, Anne to Haughton, Henry
- Haughton, Henry to Haughton, Mary
- Haughton, Mary to Haughton, Wridgette
- Haugwitz, Charles William Graf to Havers, William
- Haversham, 1st Baron, of Bracknell, co. Berks (Arthur Divett) to Hawke, Vanessa Nathalie Mary
- Hawke, Veronica Margery to Hawkins, Anne
- Hawkins, Anne to Hawkins, Jack
- Hawkins, Jack D. to Hawkins, unknown son
- Hawkins, unknown son to Hawley, Francis, 1st Baron Hawley of Duncannon
- Hawley, Francis, 2nd Baron Hawley of Duncannon to Haworth-Booth, Mabel Arden
- Haworth-Booth, Maisie Winifred Violet to Hay, Alexander
- Hay, Alexander Charles to Hay, Dorothea
- Hay, Dorothea to Hay, Henry
- Hay, Henry Campbell to Hay, Laura Buchan
- Hay, Laura Elizabeth to Hay, Peter
- Hay, Peter to Hay, William, 3rd Earl of Erroll
- Hay, William, 4th Earl of Erroll to Hayden, William
- Hayden-Scott, James Adrian to Hayes, John
- Hayes, John to Hayhoe, Sarah Anne Sherwood
- Hayhurst, Alice to Haynes, Sylvester
- Haynes, Sylvia Mary to Hayward, William
- Hayward, William to Hazlerigg, Gladys Margaret
- Hazlerigg, Gladys May to Head, Henry Bond
- Head, Henry Erskine to Headfort, Viscountess (Jane)
- Headlam, C. G. to Healy, Wilfred
- Heane, Frances to Heath, Desmond Butterworth
- Heath, Dorothy to Heathcote, Andrew Henry Salvin
- Heathcote, Ann to Heathcote, Gilbert Simon, 9th Bt.
- Heathcote, Gilbert Vyvyan to Heathcote, Sophia Elizabeth
- Heathcote, Sophia Letitia to Heaton, William
- Heaton-Armstrong, Alastair Mark to Hebden, Vincent
- Hebditch, Angela Jean to Hedegaard, Susan Ann
- Hedemann, Harald von to Heeren, Sally
- Heering, Lissen to Heiney, Pauline Laura
- Heiniger, Esme Jeanette to Hellouin, Robert
- Hellstern, Eileen to Hely Hutchinson, Richard
- Hely Hutchinson, Richard George to Hemphill, William
- Hempriggs, Charlotte to Henderson, Anne Valerie Bonhote
- Henderson, Annie to Henderson, Henry Merton
- Henderson, Henry William to Henderson, Mary Anne
- Henderson, Mary Augusta Walcott to Henderson, Winifred Ellen
- Henderson-Cleland, Archibald Hugh to Heneage, Winifred
- Heneker, David Marius to Henn, Susanna
- Henn, Susanna to Hennessy, Patrick
- Hennessy, Patrick Michael to Henniker-Heaton, Yvo Robert, 4th Bt.
- Henniker-Hughan, Alison Frances to Henry, Hugh Arthur
- Henry, Hugh fitz to Henzell-Thomas, Nigel
- Heovell tot Westerflier, Leonie Baronin van to Hepburn, John Leslie
- Hepburn, John Mitchelson to Hepburn-Stuart-Forbes-Trefusis, Walter Alexander
- Hepburne, Janet to Herbert, Bridget
- Herbert, Bridget Anne to Herbert, Hermione Gwladys
- Herbert, Hilda Augusta to Herbert, unknown daughter
- Herbert, unknown son to Heriot, Warner
- Heriot-Hill, Augusta Victoria to Heron, Maria
- Heron, Marigold Wendy Maude to Herring, Thomas Peter Le Strange
- Herring, unknown to Hervey of Rosse, 1st Baron, co. Wexford (Henry)
- Hervey, 1st Baronet, of St. Martin's in the Fields, co. Middlesex (Henry) to Hervey, Selina Mary
- Hervey, Selina Mary to Heselwood, Elsie May
- Hesham, Eliza to Hesketh, Thomas
- Hesketh, Thomas Dalrymple, 3rd Bt. to Hessen-Darmstadt, Wilhelmine Luisa Prinzessin von
- Hessen-Darmstadt, Wilhelmine von to Hessen-Kassel, Ulrike Friederike Wilhelmine Prinzessin von
- Hessen-Kassel, Wilhelm 'the Constant' to Hester, William Law
- Hethcote, Ellen to Hewet, William
- Hewetson, Dorothea to Hewett, Yuilleen Maude
- Hewett-Hicks, Anthony to Hewitt, Mary Ann
- Hewitt, Mary Ann to Hext, Rhoda Marjorie
- Hext, Sybil Mary to Heygate, Thomas
- Heygate, Thomas to Heywood, Frederick
- Heywood, Geoffrey George Temple to Heyworth, Winifred Dagmar
- Hezlet, Ann Joan Patricia to Hickey, William
- Hickie, Angela Mary to Hickman, Katherine Josephine
- Hickman, Kathleen Mary Stuart to Hicks, Mary
- Hicks, Mary to Higgins, Eve
- Higgins, Frederick to Highet, Winnie Stratton
- Highett, Cecil Trevor to Hildyard, Timothy
- Hildyard, unknown to Hill, Arthur Blundell George Sandys
- Hill, Arthur Blundell George Sandys to Hill, Douglas George
- Hill, Douglas John to Hill, Georgiana
- Hill, Georgiana Charlotte to Hill, John Foster
- Hill, John Francis to Hill, Mary Catherine
- Hill, Mary Courtney to Hill, Rowland
- Hill, Rowland to Hill, Zia
- Hill-Brookes, Edwin Hector Gordon to Hilliard, William
- Hillier, Alan John to Hilton, Marilyn June
- Hilton, Martha to Hindle, William
- Hindley, 1st Baronet, of Meads, co. Sussex (John Scott) to Hinshaw, Robert
- Hinshelwood, Violet Ethelind to Hirst, Thomas
- Hirtz, Catherine Marie Paule to Hjorth, Maximilian Anders
- Hlasko, Malvina Antonia to Hoare, Edward Wallis O'Bryen
- Hoare, Edward William Wallis to Hoare, Katherine Roberta
- Hoare, Katherine Rosemary to Hoare, Sybil
- Hoare, Sybil Agnes to Hobart, Philippa
- Hobart, Philippa to Hoberg, Christiane
- Hobern, Andrew Robin to Hoblyn, James Montague Carew
- Hoblyn, Jayne Damaris to Hocker, Montague W.
- Hockert, Catherina Margareta to Hodges, Ismay Lilian Ursula
- Hodges, Isobel to Hodgkinson, Zinnia Mary
- Hodgman, Beatrice to Hodgson, William
- Hodgson, William to Hoensbroech, Maria Amelie von und zu
- Hoensbroech, Maria Gräfin von to Hogan, Valerie Therese
- Hogan, William to Hogg, Margaret
- Hogg, Margaret to Hoghton, Richard de
- Hoghton, Richard de to Hohenburg, Anne von
- Hohendachs, Eugenie Arduser von to Hohenlohe-Jagstberg, Therese zu
- Hohenlohe-Kirchberg, 2nd Fürst zu (Christian Friedrich Karl) to Hohenlohe-Langenburg, Xenia Margarita Anne Prinzessin zu
- Hohenlohe-Möckmühl, Albrecht I von to Hohenlohe-Waldenburg-Schillingsfürst, Prinzessin
- Hohenlohe-Waldenburg-Schillingsfürst, Prinzessin zu (Katherine) to Hohensax, Ulrich Philipp von
- Hohenstaufen, Agnes to Hohenzollern, Wolfgang von
- Hohenzollern-Emden, Franz Joseph von to Hohler, Isabel
- Hohler, Isabelle to Holcombe, unknown
- Holcroft, (Ann) Cherida to Holden, Margaret
- Holden, Margaret Adamson to Holdridge, Herbert C.
- Holdron, John William to Holland, Cedric Swinton
- Holland, Charles to Holland, Prince Royal of (Napoléon Louis)
- Holland, Quinton to Hollenden, Baroness (Violet Norris)
- Holles, Anne to Holloway, Hilary Rose
- Holloway, Horatio Francis Kingsford to Holme, William
- Holme-Summer, Mary Barnard to Holmes à Court, William Walter
- Holmes, 9th Baronet (Leonard Worsley) to Holmes, Rachel Violet
- Holmes, Ralph Armatage to Holstein, Nikolaus von
- Holstein-Gottorp, Adelheid von to Holstein-Schauenburg, Heinrich von
- Holstein-Schauenburg, Heinrich von to Holt, Sarah Julia
- Holt, Shirley Follett to Homan, Z
- Homan-Mulock, Anne to Home, James of Blackadder, 6th Bt.
- Home, James of Blackadder, 8th Bt. to Hommet, William du
- Homolatsch, Anna to Honywood, John
- Honywood, John to Hood, Edith Rosemary
- Hood, Edward to Hood, Winifred
- Hood, Winifred Edith to Hooper, William Waller
- Hoopes, Estelle to Hope, Alastair Frederick
- Hope, Aldena A. to Hope, Erica
- Hope, Erskine to Hope, Kenneth
- Hope, Laura to Hope, unknown wife
- Hope, Valerie to Hopking, Richard Smith
- Hopkins, Adelpha to Hopkinson, Eliza
- Hopkinson, Eliza to Hopson, Sally
- Hopson, Sandra Daphne to Hordern, Virginia
- Hordern, Virginia C. to Horn, Magdalen Sarah
- Horn, Margaret Anne Antonia to Horne, Fiona Ballantyne
- Horne, Flora to Hornes, Prinz von (Maximilian Emmanuel)
- Hornfelt, Helma to Horsey, Spencer Horsey de
- Horsfall, 1st Baronet, of Hayfield, Glusburn, co. Yorks (John Cousin) to Horsley-Beresford, William Robert John, 3rd Baron Decies
- Horsley-Carr, Alfred George to Horton, William, 1st Bt.
- Horton, Zoë Jane to Hoskyns, Craig
- Hoskyns, David Chandos Benedict to Hoskyns-Abrahall, Harriet
- Hoskyns-Abrahall, Harriet Charlotte to Hotham, Anne Elizabeth
- Hotham, Augustus Thomas to Hotham, William, 1st Baron Hotham of South Dalton
- Hotham-Thompson, Charles, 8th Bt. to Houlahan, William
- Houlden, John to Houssemayne Du Boulay, Woodforde George
- Houssmann, David to Houstoun, William Robert
- Houstoun-Boswall, Alfred to Howard of Effingham, Lord (Edward Mowbray Nicholas)
- Howard of Escrick, 1st Baron (Edward) to Howard, Cecilia Maude
- Howard, Cecily Mary Margaret to Howard, Emma Bridget
- Howard, Emma Florence to Howard, Isabel Jane
- Howard, Isabella to Howard, Marion
- Howard, Marion to Howard, Robin Malcolm Anderson
- Howard, Roger Alexander to Howard-Bury, Marjorie Alfreda Beaujolois
- Howard-Johnston, Alexandra Henrietta Louisa to Howe, John
- Howe, John to Howell, Susanne Gloria
- Howell, Thomas to Howie, Williamina Martha Mary
- Howie-Reid, Margaret Paterson to Hoya, Richza von
- Hoye, Tabitha to Hrzic von Topuski, Simon
- Huart St. Mauris, Floria Maria Josèphe Pierrette Charlotte d', Baronne d'Huart St. Mauris to Huber, Virginia Sarah
- Hubert, Agnes Ruth to Hudson, Elizabeth
- Hudson, Elizabeth Grace to Hudson, Walter
- Hudson, William to Huggins, William
- Huggins, William to Hughes, Eliza Matilda
- Hughes, Elizabeth to Hughes, Lilian Margaret
- Hughes, Lilian Rosina to Hughes, Thomas Peter
- Hughes, Timothy John Pell to Huiskamp, Susanne Monique
- Huisman, Calvin Seth to Hulse, Mary
- Hulse, Mary to Hume, Minnie
- Hume, Patrick to Humphreys, Honor
- Humphreys, Hugh to Hungerbühler, Albertine
- Hungerford of Heytesbury, 1st Lord (Walter) to Hungerford, Garnett
- Hungerford, Geoffrey to Hungerford, Mary Sylvia Haldane
- Hungerford, Mary, 5th Baroness Botreaux to Hungerford, Zilla
- Hungerford-Jackson, Audrey Madeline to Hunt, Harry L
- Hunt, Harry Valentine Jeffreys to Hunt, Tessa Margaret
- Hunt, Tessa Molly to Hunter Blair, Walter Charles
- Hunter of Newington, Baron, of Newington in the District of the City of Edinburgh (Robert Brockie) to Hunter, Isabella
- Hunter, J. to Hunter, Robert
- Hunter, Robert to Huntington, Peter William
- Huntington, Philippa Carolyn to Hurd, Robert
- Hurd, Sara V. L. to Hurt, Mary
- Hurt, Mary Amelia to Hussey, Louisa
- Hussey, Louisa to Hutchins, William
- Hutchinson of Alexandria and Knocklofty, 1st Baron, co. Tipperary (John) to Hutchinson, Zillah Selina Maria
- Hutchinson-Lloyd-Vaughan, Elizabeth Henrietta to Huth, Marian
- Huth, Marian to Hutton, Peter Coats
- Hutton, Phyllis Amory to Hyde, Elizabeth
- Hyde, Elizabeth to Hyenk, Edda
- Hyer, George to Ianouchevsky, Vladimir Aleksandrovich
- Ianouchevskya, Mariya Alekseievna to Iii, Thomas Morris Perot
- Iken, Caroline to Illingworth, William
- Illman, Joyce to Inama, Cornelius
- Inamdar, Amar to Inge, Verity
- Inge, Very William Ralph to Inglefield, Susan Lilias
- Inglefield-Watson, Derrick William Inglefield to Ingoldsby, John
- Ingoldsby, Jonathan Dale to Ingram, William James, 1st Bt.
- Ingram, William Mervyn to Innes, Andrew Gary
- Innes, Andrew Liddell to Innes, Eric James
- Innes, Ethel to Innes, Jean
- Innes, Jean to Innes, Peter
- Innes, Peter to Innes-Ker, Margaret Frances Susan
- Innes-Ker, Mary to Iphofen, Ludwig zu
- Ipsen, Christia to Irby, Melissa Jan
- Irby, Michael Anthony to Ireland, Áed Uaridnach of
- Ireland-Smith, Gillian to Irvine, Christian
- Irvine, Christian to Irvine, unknown daughter
- Irvine, unknown daughter to Irwin, Hill-Trevor
- Irwin, Honor Emily Margaret to Isakov, Wladimir
- Isakova, Catherine to Isham, unknown daughter
- Isham, unknown daughter to Italiaander, Sara
- Italy, Adalbert of to Ivrea, Urraca d'
- Ivry, Emma d' to Jackson, Andrew
- Jackson, Andrew to Jackson, Elizabeth
- Jackson, Elizabeth to Jackson, Honoria Anna Maria
- Jackson, Hope Aline to Jackson, Margaret
- Jackson, Margaret Alice to Jackson, Ruth Lesley
- Jackson, Ruth Louise to Jacob, Fanny
- Jacob, Florence Alice to Jacomb, Wendy Primrose
- Jacot, Emile to Jagg, Flora Anne
- Jaggard, Beryl to James, Christopher George Walter, 5th Baron Northbourne
- James, Christopher Leslie Donan to James, Julie Alice
- James, Juliet Marian to James, William Wybergh
- James-Towne, 1st Baron of, co. Longford (George) to Jamieson, William Magnus
- Jamin, Miriam to Jardine, Alexander of Applegirth, 4th Bt.
- Jardine, Alexander of Applegirth, 6th Bt. to Jarman, Stephen Andrew
- Jarmin, Anne to Jaxa-Chamiec, Zygmunt
- Jaxt, Martina to Jebb, Richard
- Jebb, Richard Claverhouse to Jefferson, William
- Jeffert de Borbón, Alexandra to Jeffreys, Zara Serena
- Jeffreys-Jones, David to Jellicoe, Myrtle Grace Brocas
- Jellicoe, Nicholas Charles Joseph to Jenkins, John
- Jenkins, John to Jenkinson, Margaret
- Jenkinson, Margaret Clifford to Jenney, unknown daughter
- Jennians, Bernadette J. to Jephcott, Sylvia Mary
- Jephson, 1st Baronet (Richard Mountenay) to Jerningham, William, 6th Bt.
- Jerome, Aaron to Jervis, Mary Isabella
- Jervis, Mary Maude to Jessel, Zadok Aaron
- Jessen, Diane Margaret to Jevons, Joan Elizabeth
- Jewell, Donald to Jodrell, William Arthur Mostyn-Owen
- Joel, Dana Moira Angela to Johns, Nicola
- Johns, R B to Johnson, Charles Christopher
- Johnson, Charles Cooper to Johnson, George Peter Theodore
- Johnson, George Pigot to Johnson, Laura Sophia
- Johnson, Lauren to Johnson, Priscilla Ann
- Johnson, Prudence to Johnson, Winifred Mena
- Johnson, Yvonne Margaret to Johnston, Benjamin
- Johnston, Bernard Mathias to Johnston, Helen Du Bois
- Johnston, Helen Ferguson to Johnston, Margaret Ross
- Johnston, Margaretta to Johnston, Timothy Courtenay
- Johnston, Tobina Anne to Johnstone, Carol Peter Montague
- Johnstone, Carole to Johnstone, Henrietta
- Johnstone, Henrietta Jane to Johnstone, Margaret Mavis
- Johnstone, Margaret Mylss to Johnstone, William
- Johnstone, William to Jollans, Susan Muireall
- Jolley, Arthur to Joly, Susan Rosemary
- Jolán de Csikszentmihály, Sándor to Jones, Catherine Edwards
- Jones, Catherine Eleanor to Jones, Elizabeth
- Jones, Elizabeth to Jones, Helen Tait
- Jones, Henrietta to Jones, Justine Joanne
- Jones, Jyllian to Jones, Mary Kathleen
- Jones, Mary Lucy to Jones, Roderick
- Jones, Rodney Watson to Jones, Watkin William
- Jones, Wayne William Dutton to Jordan, Frederick Hudson
- Jordan, Frederick William to Joukov, Vassili
- Joukova, Zenaide to Joyce, Walter
- Joye, Mary to Judd, Walter Albert
- Judd, William Vernon to Jurane Bourgogne, Rudolph III de
- Juranich, Denise to Kades, Phyllis Pauline
- Kadoorie, Baron, of Kowloon in Hong Kong and of the City of Westminster (Lawrence) to Kampel, Timothy Ian
- Kamper, Phyllis Mary Helena to Karolyi, Sophie
- Karolyi, Sophie to Kavanagh, Henry
- Kavanagh, Henry Edward to Kaye, George
- Kaye, Grisewood to Keane, Vivien Eleanor
- Keane, William John to Keatinge, Violet Mary
- Keatley, Brigid to Keen, William Walter Maurice
- Keenan, Barry John to Keil von Bündten, Wenzel
- Keil, Charlotte Wilhelmine Theresia Anna Maria to Keith, Margaret
- Keith, Margaret to Keith-Murray, William Patrick
- Keith-Smith, Ronald Charles to Kellett, Kveta
- Kellett, Lauren Ann to Kellogg, Levi
- Kellogg, Louisa Rawsoll to Kelly, Eleanor Louise
- Kelly, Eleanor Marion to Kelly, Matthias
- Kelly, Maude to Kelway-Bamber, Selina Anne
- Kelyng, John to Kemp, James
- Kemp, James C. to Kenchington, Robert John
- Kendal, 1st Earl of (John) to Kendall, Wilmot
- Kendall-Lane, Ernest to Kennard, Humphrey Oscar Coleridge
- Kennard, Hyde Henry Astley to Kennedy, 9th Baronet, of Johnstown Kennedy, co. Dublin (George Matthew Rae)
- Kennedy, 9th Lord (John) to Kennedy, Elizabeth
- Kennedy, Elizabeth to Kennedy, John
- Kennedy, John to Kennedy, Miles Thomas Pitt
- Kennedy, Minnie Hilda to Kennedy-Cochran-Patrick, William John Charles
- Kennedy-Erskine, Alice Marjorie Cunningham to Kent, Agnes Henrietta
- Kent, Alan to Kenworthy, Joan Mary
- Kenworthy, Jonathan Malcolm Atholl to Kenyon, Tara Louise
- Kenyon, Thomas to Keppel, June Cecilia
- Keppel, Katherine Louisa to Ker, R. J. C. R.
- Ker, Reginald Arthur to Kerckhoff, William
- Kerckhove, Amy Lynn Van de to Kerr, Charles John, 2nd Baron Teviot
- Kerr, Charles Lennox to Kerr, Linda
- Kerr, Loraine M. to Kerr, William Drury
- Kerr, William Francis to Kershaw, Frank
- Kershaw, Fred, 1st Baron Kershaw to Ketteler, Maria Anna Lucia Johanna Antonette
- Ketteler, Maria Freiin von to Keydon, James
- Keyes, 1st Baron, of Zeebrugge and of Dover, Kent (Roger John Brownlow) to Keyworth, Samuel Pell
- Keyzer, Antonius Franciscus to Kiddell, Susan
- Kidder, Anne to Kiev, Zbyslawa of
- Kiezgajllo-Zawisza, Barbara to Kilketly, Philip
- Killa, Deborah Anne to Kilmorey, Viscountess (Mary)
- Kilmuir, 1st Earl of, (David Patrick Maxwell) to Kimbolton of Kimbolton, 9th Baron, co. Huntingdon (George)
- Kime, Elizabeth Mary to Kindermann, Mrs
- Kindersley, 1st Baron (Robert Molesworth) to King, Avarina Jane
- King, Avarina Rose to King, Fiona Mary St. Clair
- King, Fletcher Gregory to King, John
- King, John to King, Nicholas
- King, Nicholas to King, Violet Alice
- King, Violet Maud to Kingdon, Stephen
- Kingennie, Helen to Kingscote, Jane
- Kingscote, Jane to Kingsmill, John
- Kingsmill, John to Kington, Miles Steuart
- Kington, Muriel to Kinloch, Margaret Aimée
- Kinloch, Marie to Kinnock, Neil Gordon, Baron Kinnock
- Kinnoull, 10th Earl of (Robert Auriol) to Kipling, Josephine
- Kipling, Mary to Kirk, William
- Kirkaldie, Eleanor Elizabeth to Kirkpatrick, Christian
- Kirkpatrick, Christopher Charles to Kirkpatrick, Thomas
- Kirkpatrick, Thomas to Kirwan, Mary
- Kirwan, Mary to Kitchener-Fellowes, Peregrine Charles Morant
- Kitcher, Clare Jennifer to Kleinmichel, Vladimir Petrovich, Count Kleinmichel
- Kleinschmidt, Christopher Montagu to Klinger, Liane
- Klingman, Candice Martha to Knapton, William Henry
- Knaresborough, 1st Baron, of Kirby Hall, co. York (Henry Meysey) to Knatchbull-Hugessen, Herbert Thomas
- Knatchbull-Hugessen, Holly Frances to Knight, Edward
- Knight, Edward to Knight, Robert Maxwell Grenfell
- Knight, Robert Reginald to Knights, Philip Douglas, Baron Knights
- Knill, 3rd Baronet (John Stuart) to Knollys, Thomas Woods
- Knollys, unknown daughter to Knowles, Thomas Greenwood
- Knowles, Thomas James Metcalfe to Knox, George
- Knox, George to Knox, Thomas, 1st Viscount Northland of Dungannon
- Knox, Thomas, 2nd Earl of Ranfurly to Kobbe, Dorothea von
- Kobe, Bradley Allen to Kolowrat-Krakowsky-Liebsteinsky, Edina Gräfin von
- Kolowratek, Amalia to Korff, Valentin Graf von
- Korff, Wolfgang Graf von to Kowal, Janice Lynn
- Kowalski, Gary W to Kreyer, Sarah Jane Alicia
- Krick, Louisa Bertha to Kuenberg, Gräfin von (Eleonore)
- Kuenburg, Agnes Reichsgräfin von to Kwiatkowski, Witold Jan
- Kyan, Angela Miriam to Königsmark, Philip Christoph von
- Köningsegg-Aulendorf, Monika Elisabeth Johanna Maria Eusebia Gräfin zu to La Touche, William Robert
- La Tour d'Auvergne Lauraguais, Alexandra de to Lacandella, Eugenie Eleonore
- Lacau, Louis Marie Alexandre to Lacrambe, Henri
- Lacretelle, Eugenie Colette Gabriele de to Lade, Laetitia
- Ladlow, Maureen Katherine to Laing, George S.
- Laing, George William to Lake, Deborah
- Lake, E W to Lakin, Serena Pamela
- Lakin, Shirley Patricia to Lamb, Richard Anthony
- Lamb, Richard Scott to Lambart, Richard Ford William, 7th Earl of the County of Cavan
- Lambart, Richard Frederick Lacon to Lambert, Charles Desmond
- Lambert, Charles Edmund to Lambert, James
- Lambert, James to Lambert, Peter
- Lambert, Peter FitzWalter to Lambie, William Ian
- Lambilly, Bernadette de to Lambton, William Henry Charles
- Lambury, 1st Baron, of Northfield, co. Warwick (Leonard Percy) to Lamplugh, Thomas, 25th of Lampslugh
- Lamplugh-Raper, Jane to Lancaster, William, Lord of Kendal
- Lancaster, William, Lord of Kendal to Landriano, Costanza Greppi
- Landry, Alphonse Flavius to Lane, Emily Eliza
- Lane, Emily Eliza to Lane, Sebastian Arthur
- Lane, Sidney Leveson to Lang, Oliver James Alport
- Lang, Pamela Mary to Langford, Josephine
- Langford, Juliet Elisabeth Maria Assunta to Langley, Isabella Edwards
- Langley, Isabella Petronella to Langrishe, William
- Langrishe, William to Lannoy, Rose de
- Lanphier, Eleanor to Larcom, Westmorland Jane
- Lard, Baron de (John Talbot) to Lascelles, Anne Jacqueline
- Lascelles, Anthea Caroline to Lascelles, Martin David
- Lascelles, Mary to Latchford, Vanessa Caroline
- Latchmore, Andrew Windsor to Lathrop, Thomas
- Lathune, Tihel de to Laubier, Pierre de
- Laubscher, Erika to Laughton, Sarah
- Laugsch, Dorothea to Laurie, Nathaniel
- Laurie, Nicola Mary to Laville, Theodore Thompson
- Lavin, Ada to Law, John Martin
- Law, John Stuart to Lawford, Isabel
- Lawford, James Peter to Lawrance, Torquilla McLeod
- Lawrell, Digby to Lawrence, Isabelle Olga Jane
- Lawrence, J W K to Lawrence, Walter Roper
- Lawrence, Walter Woollard to Lawson, Daisy Alexandra Ruth
- Lawson, Daphne Olive to Lawson, Robin Grant
- Lawson, Roger to Layard, Charles Albemarle
- Layard, Charles Clement to Laycock, William
- Laye, Elizabeth Patricia to Le Fanu, Etienne, Seigneur de Mondeville
- Le Fanu, Etienne, Seigneur de Montbénard to Le Marchand, Zoë
- Le Marchant, 1st Baronet (Denis) to Le SOUËF, William Henry Dudley
- Le Sueur, Anne to Leach, William Ansdel
- Leach-Lewis, Brien Michelle to Leake, William Aubrey
- Leakey, Arundell to Leask, Humphrey of that Ilk
- Leask, Isobel to Leathers, Tara Charlotte
- Leathes, Annabel de Mussenden to Lechmere, Richard
- Lechmere, Richard to Lederman, Sully
- Ledes, Elizabeth de to Lee, Elizabeth
- Lee, Elizabeth to Lee, Robert
- Lee, Robert to Leech, William Jeremy
- Leeche, Jane to Leek, Lillias Jill
- Leeke, Anna to Lees, Henry Orde Macallister
- Lees, Henry Orde Westwater to Leese, Margaret Alice
- Leese, Margaret Gwendoline to Legard, Antony Ronald
- Legard, Arabella Chloe Charlotte to Legge, Beatrice Mary Caroline
- Legge, Beatrice Pompilia to Legge, Violet Bertha
- Legge, Virginia Lois to Legh, William John, 1st Baron Newton
- Leghe, Agnes to Leigh, Alicia
- Leigh, Amy Sophia to Leigh, Frances Harriet
- Leigh, Frances Hélène Forbes to Leigh, Mary
- Leigh, Mary to Leigh, Zak Edward
- Leigh-Bennett, Barbara to Leijten, Henriette
- Leimer, Emmy Margit to Leith, Alexander of Freefield and Glenkindie
- Leith, Alexander of Freefield and Glenkindie to Leitrim, Winifred Edith Clements
- Leives, Martha Grace Victoria de to Lendrum, William Trevor
- Lendrun, Mary to Lennox, Edith Evelyn
- Lennox, Edna May to Lentell, Stanley
- Lenthal, Margaret to Leone, Giovanni
- Leonhard, Henry to Leslie Melville, Julia Mary Greville
- Leslie Melville, Louisa Clare to Leslie, George, 1st Earl of Rothes
- Leslie, George, 2nd Earl of Rothes to Leslie, Mary Christina
- Leslie, Mary Dorothea to Lessels, William
- Lesseps, Beatrice de to Lethbridge, Margaret
- Lethbridge, Margery to Leven, Master of (Alexander)
- Levene of Portsoken, Baron, of Portsoken in the City of London (Peter Keith) to Leveson-Gower, George Granville
- Leveson-Gower, George Granville Sutherland, 5th Duke of Sutherland to Levin, Ursula Mary
- Levine, Frances Jane to Levinge, William John
- Levingston, Grace to Lewes, Watkin
- Lewey, Arthur Werner to Lewis, Edward
- Lewis, Edward to Lewis, Letitia
- Lewis, Lewis Glyn to Lewis, William
- Lewis, William to Lewthwaite, Rainald Gilfrid, 4th Bt.
- Lewthwaite, Ralph to Leycester, Susanna
- Leycester, Susanna to Lichnowsky, Wilhelm
- Licht, Irmengard to Liddell, Maria
- Liddell, Maria to Liebenberg, Viktor von , Baron von Liebenberg
- Liebenrood, Florence Annette to Liechtenstein, Marie Henriette Theresia Aloisia Franziska Sophie Josepha Michaela Adelheid Annunziata Elisabeth Ignatia Benedikta
- Liechtenstein, Marie Ileana Josefa Prinzessin zu to Lightbody, Thomas Hugh
- Lightening, Audrie Clare to Lilie, Maria Antonia von der
- Lilienbach, Christian Lill-Rastern von to Limburg, Walram I 'Udo' Graaf van
- Limburg, Walram II 'Peganus' Hertog van to Lincoln, William Wallace
- Lincoln-Reed, Arthur to Lindo, Suelly do
- Lindon, Carol Iris to Lindsay, Charlotte Augusta
- Lindsay, Christian to Lindsay, Hugh John Alexander
- Lindsay, Hugo Edgar to Lindsay, Margaret
- Lindsay, Margaret to Lindsay, Walter James
- Lindsay, Walter of Beaufort and Edzell to Lingard, Victoria Margaret
- Lingard-Guthrie, Elisabeth to Lintz, Warren Tico
- Linwood, A Campbell B to Lippe-Weissenfeld, Theodora Maria Helene Leopoldine Georgine Ricarda Pascala
- Lippe-Weissenfeld, Theodora Maria Prinzessin zur to Lisle, Robert
- Lisle, Robert to Lister, Mary
- Lister, Mary to Liston, unknown
- Listowel, 1st Earl of (William) to Little, James Wensley
- Little, Jane to Littleton, Edward Thomas Walhouse, 5th Baron Hatherton
- Littleton, Edward, 1st Bt. to Liveing, Robert
- Livelis, Frances to Livingstone, Maturin
- Livingstone, Maude Elizabeth to Llewellyn, Zelle Loveday
- Llewellyn-Davies, Annie Patricia, Baroness Llewelyn-Davies of Hastoe to Lloyd, Caroline
- Lloyd, Caroline Alice to Lloyd, Evan
- Lloyd, Evan to Lloyd, John Peter Daniel
- Lloyd, John Philip to Lloyd, R.
- Lloyd, R. H. to Lloyd, Zoë
- Lloyd-Anstruther, Adela Maria to Llywelyn, unknown
- Llópis y de Palacio, María Isabel to Lobkowicz, Zdenko Prinz von
- Lobkowitz, Alois Maria Xaver Cyrillus Prinz von to Lock, William
- Lock-Roe, Frances Gertrude to Lockhart, James
- Lockhart, James to Lockwood, Emma
- Lockwood, Emma to Loder, Frances
- Loder, Frederick French to Loe, Michaela von
- Loe, Monika Baronin von to Loftus, Lettice
- Loftus, Lettice to Lokker, Maria
- Lole, Margaret Elizabeth to Londonderry, Robert of
- Londoniis, Thomas de to Long, Eleanor Julian
- Long, Eleanor Mary to Long, Justina Charlotte
- Long, Katherine to Long, Stanhope Ernest
- Long, Stanhope Walter to Longe, Thomas
- Longe, Thomas to Longmire, Thomas
- Longmore, Arthur to Lonsdale, James Raymond McClintock
- Lonsdale, Jane to Lopez, Vernon Constantine Sinclair
- Lopez-Doriga y Blanco-Recio, Pablo to Lorillard, Ruth King
- Lorimar, Cameron to Lorraine, Judith de
- Lorraine, Kunigunde de to Lotbinière, Victoria C. de
- Lotero, Elisa to Loughran, Sally
- Loughrey, Robert to Love, William J.
- Loveband, Hugh Buckingham to Lovell, Penelope
- Lovell, Penelope Eleanor to Low, Janet Agnes Harriet
- Low, Janet Margaret to Lowe, Henrietta
- Lowe, Henrietta Catherine to Lowes, Susan
- Loweth, Adam James to Lowry-Corry, Harriet Anne
- Lowry-Corry, Henry Charles to Lowther, Eleanor
- Lowther, Eleanor to Lowther, Robert
- Lowther, Robert to Loynes, Octavius John
- Lozanic, Milivoye to Lubbock, Lilian Stephenson
- Lubbock, Lindsay Brigid to Luc de Chevigny, Gabriella
- Luc, Charles Emanuel de to Lucas, Janet
- Lucas, Jasper to Lucas-Clements, Thomas John
- Lucas-Lane, Henry to Luckett, William
- Luckhurst, Doris Mary Emily to Lucy, Thomas, 2nd Lord Lucy
- Lucy, unknown to Luitwieler, Rinus Jon
- Lukan, Gabriele to Lumley, Sarah J. F.
- Lumley, Sarah Jane to Lumsden, William
- Lumsden, William to Lupescu, Nicolas
- Lupino, Ida to Lushington, George Thomas
- Lushington, Georgina Caroline Elizabeth Chippindall to Lusson, Walter
- Lusted, Anne to Luxembourg, Duchesse de (Jeanne)
- Luxembourg, Elisabeth de to Lyddell, Jane
- Lyddon, Edna Maud to Lyle, Jean
- Lyle, Joan to Lynch, Jane
- Lynch, Jane to Lynch-Blosse, Robert, 8th Bt.
- Lynch-Blosse, Sean James to Lyon, Elizabeth
- Lyon, Elizabeth to Lyon, Stephanie
- Lyon, Stephanie Anne de Beauharnis to Lyons, Pat
- Lyons, Patricia to Lysaght, Winifed Joyce
- Lysaght-Mason, Abigail Frances to Lyttelton, Elizabeth
- Lyttelton, Elizabeth Alison to Lytton, Winifred
- Lytton-Milbanke, Anne to Löwenstein-Wertheim-Rosenberg, Maria Johanna Prinzessin zu
- Löwenstein-Wertheim-Rosenberg, Maria Johannes Paul Kilian Joseph Alois Anton Michael to Maberly, William Leader
- Mabin, Arthur Emerson to MacAndrews, John
- Macann, Leo to Macartney, Hussey Burgh
- Macartney, Hussey Burgh to Macauley, William Perine
- MacAuliffe, Connor to MacCarthy-Willis-Bund, Roberta J.
- MacCartie, Catherine to MacDermot, Henry
- MacDermot, Henry (Hal) Dominic to Macdonald, Alexander
- Macdonald, Alexander to Macdonald, Archibald of Sanda
- Macdonald, Archibald Ronald Armadale to MacDonald, Edmund B., Jr.
- Macdonald, Edward to Macdonald, Isabella Mary
- MacDonald, Ishbel to Macdonald, Katherine
- Macdonald, Kenneth Alexander, 5th of Inchkenneth and 8th of Boisdale to Macdonald, Mary Patricia
- Macdonald, Mary Theodora Margaret to Macdonald, unknown
- Macdonald, unknown to Macdonell, James of Glenmeddie
- Macdonell, James Sidgreaves to Macdougall, Coline Helen Elizabeth
- MacDougall, Diana Lucy to Macdowall, Hay
- MacDowall, Helen to MacEwen, Sophia Margaret Jameson
- Macey, Albert Edward to MacGhee, Theobald
- Macgil, Elspeth to MacGregor, James 'Mor'
- MacGregor, James John to MacIan, unknown of Ardnamurchan
- Maciaszek, Eugenia to Mack, Zoë Catherina
- Mackaby, Mary to Mackay, Hugh, 2nd of Scourie
- Mackay, Hugh, 2nd of Strathy to Mackay, William James
- Mackay, William Morton to Mackenzie, Angela Viviane
- Mackenzie, Angus to Mackenzie, Elizabeth Anne
- Mackenzie, Elizabeth Brooke Jane to Mackenzie, Jean
- Mackenzie, Jean Compton to Mackenzie, Margaret
- Mackenzie, Margaret to Mackenzie, Stanley John MACKENZIE later WYNN-MACKENZIE
- Mackenzie, Stephanie Corinne to Mackie, Mary Ann
- Mackie, Mary Jeffrey to Mackinnon, Zara Lavinia
- Mackintosh of Halifax, 1st Viscount (Harold Vincent) to Mackintosh, John
- Mackintosh, John to Mackrell, Honora Frances
- Mackreth, Agnes to Mackworth-Young, Robin
- Macky, Eleanora Caroline Lucia to Maclardy, William McIntyre St. Clair
- Maclaren, Alexander Helen Aphra to MacLean, Donald
- MacLean, Donald to Maclean, Marion
- Maclean, Marion to MacLeod, Angela Susan Clare
- MacLeod, Ann to MacLeod, John Garbh, 7th of Raasay
- Macleod, John George to MacLeod, Torquil
- MacLeod, Torquil to Macmeikan, John Alexander
- MacMenemy, James to Macnab, Finlay
- Macnab, Finlay to MacNaghten, Elliot
- Macnaghten, Elliot to Macnamara, William Nugent
- MacNamee, Bernard to Macnish, Hubert
- MacNiven, Beatrix to Macpherson, Ewan
- Macpherson, Ewan to Macpherson, Æneas of Invereshie
- Macpherson-Campbell, Campbell of Ballimore and Drumduan to Macready, William Charles
- Macreae, Amy to Macy, Vincent Travera
- Macyntyre, Harriet Elizabeth to Maddocks, Tracey
- Maddoks, Fanny to Magan, Hubert
- Magan, Hugh Henry to Magill, William John
- Maginity, Rose Anna to Maguire, –
- Maguol, Jeanne to Mahon, Sarah Caroline
- Mahon, Sheila Anne to Mailly-Chalon, Jacqueline de
- Maillé de la Tour-Landry, Anna Maria de to Mainwaring, Philip Tatton, 4th Bt.
- Mainwaring, Priscillia Kynaston to Maitland Makgill Crichton, William Roderick
- Maitland of Thirlestane, 10th Lord (James) to Maitland, Elizabeth
- Maitland, Elizabeth to Maitland, Lewis Randolph
- Maitland, Lilias to Maitland, William of Thirlestane and Levington
- Maitland, William of Thirlestane and Levington to Makalua, Matthew James Manuia
- Makdougal, Alan to Makgill, Mable Sophia Elizabeth
- Makgill, Margaret to Malan, Walter de Merindol
- Malanchak, Anna Margaret to Malcolm, Marion
- Malcolm, Marion Margaret to Malet, Charles St. Lo, 6th Bt.
- Malet, Charles Warre, 1st Bt. to Malewayn, John
- Maley, Gary Windsor to Mallett, Thomas Henry
- Malley, Edward to Malmesbury, Countess of (Sylvia Georgina)
- Malmgren, Elsa to Malton, William
- Maltorie, Caroline von to Manchester, Terence George Richard
- Manchon, Barbara Maria Anna Michaela Elisabeth to Mander, unknown wife
- Mander-Jones, Angela Margaret to Mangnall, Terence André
- Mangos, Sally Michael to Mann, Lucy Clare
- Mann, Malcolm Alexander to Manners, Robert
- Manners, Robert to Mannini, Ottavio
- Mannino, Charles D. to Mansel, Henry Longueville
- Mansel, Henry Longueville to Mansell, unknown daughter
- Mansell-Jones, Penelope Marion to Mansfield, William, 1st and last Viscount Sandhurst
- Mansigny, Frances de to Mar, 27th Earl of (John Francis Erskine)
- Mar, 28th Earl of (John Francis Hamilton Sinclair Cunliffe Brookes Forbes) to March Phillipps de Lisle, Margaret Mary Lisle
- March Phillipps de Lisle, Mary Agnes Adeodata to Marchena, Juan Jorge de
- Marchenko, Tatyana Ivanovna to Marffy von Versegh, Peter de
- Marffy von Versegh, Philippa de to Marino y Montero, Juan Carlos Antonio
- Marino, 4° Marqués de (Vicente) to Marjoribanks, Winifred Helen
- Marjoribanks-Egerton, Cecilia Mary Penelope to Markham, Charles Warren
- Markham, Charles, 2nd Bt. to Marks, Rebecca Doro
- Marks, Sarah Elizabeth to Marmier, Stephanie de
- Marmion, 1st Baron (John) to Marr, William Smith
- Marr-Johnson, Diana Julia to Marschall von Bieberstein, Sven Baron
- Marsden, 19– •Linda Denise to Marsh, Madeleine
- Marsh, Maisie to Marshall, Elizabeth
- Marshall, Elizabeth to Marshall, Nicholas Bryan
- Marshall, Nicholas Charles Gilmour to Marsham, Sarah
- Marsham, Shirley to Martin, Alfred R.
- Martin, Alfred William to Martin, Ethel Laura
- Martin, Ethel Mary Booker to Martin, Judith Ellen
- Martin, Juliana Beatrice to Martin, Saidler
- Martin, Sally Anne to Martineau, William Martineau
- Martinella, Marie Madeline to Martyn, Rose
- Martyn, Samuel to Masham of Swinton, Baroness (Elizabeth Alice)
- Masham, Abigail to Mason, John
- Mason, John (Sir) to Massey, Eyre, 3rd Baron Clarina of Elm Park
- Massey, Francis Elcocke to Masson, William Michael
- Massovia, Conrad I Herzog von to Massy, Elizabeth
- Massy, Elizabeth to Massy, James FitzGerald
- Massy, James FitzGerald to Massy, William
- Massy, William to Masterson, Margaret C.
- Masterson, Margaret Violet to Mathers, Susan
- Matheson, 1st Baronet, of Lochalsh, co. Ross (Alexander) to Mathew, George
- Mathew, George to Matray, Georges
- Matsch, Graf von (Gaudenz) to Matthews, Jean Grant
- Matthews, Jennifer Jane to Mattos Mocatta, Rachel de
- Mattos, Jonkheer Francois Edouard Teixeira de to Maude, Blanche Emily Isabella
- Maude, Bridget Diana to Maude, Priscilla Douglas
- Maude, Rachel Anne to Maule, Mary
- Maule, Mary to Maunsell, Beryl Lola
- Maunsell, Beryl Phoebe to Maunsell, Elizabeth
- Maunsell, Elizabeth to Maunsell, Humphry
- Maunsell, Ida Cecilia Cokayne to Maunsell, Marjorie Alys
- Maunsell, Mark Carlos to Maunsell, Rose
- Maunsell, Rose Anna to Maunsell-Thomas, Margaret Frances Vere
- Mauny, 1st Lord (Walter) to Mawson, Susan Mary
- Max, Aleida to Maxwell, Anne
- Maxwell, Anne to Maxwell, Homer of Carnsalloch
- Maxwell, Hugh to Maxwell, Mary
- Maxwell, Mary to Maxwell, Zacharias of Blawerthill
- Maxwell, Zoe Emma to May, Vincent Schiller
- May, Violet Castilla to Maylett, William F.
- Maylor, Catherine to Mayo, Gertrude Elizabeth
- Mayo, James to McAdam, Theresa
- McAdams, Barbara Lou to McAlpine, Robert
- McAlpine, Robert Alistair, Baron McAlpine of West Green to McBride, William Cleeland
- McBrien, Frances Margaret to McCampbell, Tracey
- McCan, Anne to McCarthy, Kevin John
- McCarthy, Kristie to McChesney, William Paul
- McChlery, Mary to McClintock, William Foster
- McClintock-Bunbury, Alice Letitia Mary to McConnan, Wendy Evelyn
- McConnaughty, John to McCorkell, Jane
- McCorkell, Jane Augusta to McCorquodale, Sarah
- McCorquodale, Susan Elizabeth Jardine to McCoy, Walter
- McCoy, Wendy to McCullagh, Maye
- McCullen, Sarah to McDonald, Ian Ross
- McDonald, Isobel Margaret Logie to McDonnell, Æneas Ronald
- McDonough, Campbell to McDouall, Patricia Mary
- McDouall, Patrick to McDuff, William
- McEacharn, Annie Madeleine to McFarland, Stephen Andrew John
- McFarlane of Llandaff, Baroness, of Llandaff in the County of South Glamorgan (Jean Kenendy) to McGill, William James
- McGillespy, Janet to McGowan, Mungo Alexander
- McGowan, Rebecca Ruth to McGuire, William
- McGurk, Dorothy to McIntyre, Zoe Claire
- McIrvine, John W. to McKean, Winifred Alice
- McKeand, Alice Pilling to McKenzie, Henry
- McKenzie, Ian to McKinnon, Velma
- McKinstry, A. W. to McLaughlin, Frederick Hubert
- McLaughlin, George Hall to McLean, William Demuth
- McLeavy, Baron, of the City of Bradford (Frank) to McLintock, Traven Thomson Christison
- McLintock, unknown wife to McManus, Walter Keeler
- McMartin, Eleanor to McMurtrie, Paul Marcel
- McMynn, Alexander to McNaughton, Victoria Jane
- McNaull, Cynthia Elizabeth to McPhail, Phillip James
- McPhail, Robyn Ann to McSkimming, Rebecca Jane
- McSween, to Mead, Yvonne
- Meade, 10th Baronet, of Ballintubber, co. Cork (John Herbert) to Meade, William
- Meade, William Edward to Mease, Sarah
- Measham, Beatrice to Mecklenburg-Schwerin, Herzogin von (Alexandrine Auguste)
- Mecklenburg-Schwerin, Herzogin von (Anastasia) to Medici, Vittoria de
- Medina de las Torres, 13th Duque de (José María) to Medrone, Visconti di (Luca)
- Medway of Hemsted Park, 1st Baron, co. Kent (Gathorne) to Megingoz, unknown
- Megnin, Catherine Marie Helene to Meinertzhagen, Ruth
- Meinertzhagen, Sarah to Melfort, Louis de
- Melgar, Frederick de to Mellon, Odile
- Mellon, Ombeline de to Melvill, Thomas
- Melville of Melville, 10th Viscount (Robert Henry Kirkpatrick) to Mendel, Samuel Taylor
- Mendels, Beatrice to Menteith, Earl of (Walter)
- Menteith, Earl of (Walter) to Menzies, Gilbert
- Menzies, Gilbert to Meran, Johannes Maximilian Graf von
- Meran, Josef Ferdinand Wilhelm Otto Maria Franz Johann to Mercia, Æthelred II of
- Mercier, Anne to Merenberg, Sophie Nikolaievna, Countess de Torbay
- Merer, Dudley to Merrill, Linton Surget
- Merrill, Louise Gautier to Merullo, Sam Benjamin
- Merveilleux du Vignaux, Anne-Marie to Mesía y de Lesseps, Maria de la Ascuncion Solange, Condessa de Odiel
- Mesía y Fitzjames-Stuart, Angela to Metge, Virginia Mary Frances Cole
- Metha-Itti, Kawee to Meulan, Waleran III, Comte de Meulan
- Meulant, Comte de (Galeran V) to Meyer, Wilma
- Meyer-Bechtler, Leo to Meyrick, Richard
- Meyrick, Richard to Michell, Kathleen
- Michell, Louisa to Middleton, Charles Miles Lambert
- Middleton, Charles, 1st Baron Barham to Middleton, Winifrede Mary
- Middleweek, Helene Valerie, Baroness Hayman to Milbank, Penelope Ann
- Milbank, Philip Augustus to Mildmay, Elizabeth
- Mildmay, Elizabeth to Miles, James Saville
- Miles, Jane Henrietta to Mill, unknown
- Mill-Colman, Harold to Millar, Sarah
- Millar, Sarah to Miller, Caroline Jane
- Miller, Caroline Janet to Miller, Gertrude Laura
- Miller, Gertrude Theresa to Miller, Louis Montant
- Miller, Louisa to Miller, Selina
- Miller, Septimus to Milley, Nicholas
- Millford, Dorothy to Mills, Caroline Ann
- Mills, Caroline Sarah to Mills, Philip Stuart
- Mills, Philippa Mary to Milman, Walter Charles Gordon
- Milman, William to Milne-Home, Rosemary Honor Croad
- Milne-Thomson, A. to Milnes, William
- Milnes-Coates, 3rd Baronet (Robert Edward James Clive) to Minchin, Anne
- Minchin, Anne to Minchin, Edith Margaret
- Minchin, Edith Stella Eliza to Minchin, Helen
- Minchin, Helen Blundell to Minchin, Kay May
- Minchin, Kay Rhonda to Minchin, Olivia Juliana
- Minchin, Paget Dundas to Minchin, Trevor William
- Minchin, unknown to Minshull-Ford, John Randle
- Minsk, Sophia of to Mitchell, Angela Nelson
- Mitchell, Angelina to Mitchell, Isabella
- Mitchell, J F to Mitchell, Sarah
- Mitchell, Sarah to Mitford-Slade, Timothy Clive
- Mithoefer, Erica to Moennich, Eleonore Larisch Gräfin von
- Moens, Emma Monteath to Mogck, Carola Christel
- Mogendorff, Andrew Michael Alexander to Moir, Wortley Cornelia Anne
- Moir-Byres, Aleyne Katherine Elizabeth to Molesworth, Charlotte Amelia
- Molesworth, Charlotte Anne to Molesworth, Irene Evelyn Beatrice
- Molesworth, Iris Alice to Molesworth, Peter Martin Stuart
- Molesworth, Peter Maxwell to Molesworth-St. Aubyn, Zoë
- Moleyns, Alured Aremberg de to Molloy, William John, Baron Molloy
- Molo, Bettina Elizabeth von to Molyneux, Harry Lindsay
- Molyneux, Helena Mary to Moncada, Salvador Enrique
- Moncalieri, Napoléon Joseph Charles Paul de to Monckton, Charles Henry
- Monckton, Charles Tatham to Monckton, Julie Anne
- Monckton, June Seymour to Monckton-Arundell, William, 2nd Viscount Galway
- Monckton-Hall, Elizabeth to Moncreiffe, Margaret
- Moncreiffe, Margaret to Money, William James
- Money-Coutts, Alexander to Monnoux, Mary
- Monocon, Lord of (Ramiro) to Monson, Cecil Geoffrey
- Monson, Cecil Geoffrey to Montagu, Alberta
- Montagu, Alexander Charles David Drogo, 13th Duke of Manchester to Montagu, Elsa
- Montagu, Elsie Augusta Edith to Montagu, Lucy
- Montagu, Lucy to Montagu-Beaune, Timoleon Joachim Louis, Marquis de Bouzols
- Montagu-Douglas-Scott, Katharine Charlotte to Montalivet, Jean Pierre de
- Montalonier, Judith de to Monteith, Philadelphia
- Monteith, Rebecca Clara Anna Helen to Montfort, Edward Handcock
- Montfort, Edward Handcock to Montfort, Yvonne
- Montgelas, Agnes Gräfin von to Montgomerie, Jane
- Montgomerie, Jane to Montgomery Lyons, Hugh
- Montgomery of Alamein, 1st Viscount, of Hindhead, co. Surrey (Bernard Law) to Montgomery, Hugh
- Montgomery, Hugh to Montgomery, William of Magbiehill
- Montgomery, William of Magbiehill to Montmorency, Jeanne de
- Montmorency, John Hervey Balfour de to Montsorrel, Hugh de
- Montvilliers, Matilda of to Monypenny, William, 1st Lord Monypenny
- Mood, W R to Moon, Stella Mary
- Moon, Stella Mary Hallowell-Carew Douglas-Hamilton to Moore, Ann
- Moore, Ann Elizabeth to Moore, Colin
- Moore, Colin Johnstone to Moore, Frances
- Moore, Frances to Moore, Jane
- Moore, Jane to Moore, Margaret
- Moore, Margaret to Moore, Phyllis Marion
- Moore, Pierce to Moore, unknown
- Moore, unknown to Moorhouse, Margaret
- Moorhouse, Margaret to Moran, Zara Alexandra Jane d'Estoteville
- Morand, Marie Marcelle Denise to Mordaunt, Brita
- Mordaunt, Brock to Mordaunt, Thomas
- Mordaunt, Thomas to Moreno, Inigo Cordon
- Moresby, Christopher to Morgan, Daniel
- Morgan, Daniel to Morgan, Katharine
- Morgan, Katharine Agnes Blanche to Morgan, William
- Morgan, William to Morison, Edward Barns
- Morison, Elsie to Morley, Geoffrey John
- Morley, Georgina Mary to Morocutti, Ingrid
- Moroney, Elizabeth to Morrice, William, Bt.
- Morrie, Andre to Morris, Faith Victoria Mary
- Morris, Fanny to Morris, Margaretta Anne
- Morris, Margery Rachel to Morris, unknown daughter
- Morris, unknown daughter to Morrison, Godfrey Donald
- Morrison, Gregory to Morrison, Zuleika Jane Feilding
- Morrison-Bell, 1st Baronet (Charles William) to Morrogh, William Plowden
- Morrough, Andrew to Mortimer, Edmund de
- Mortimer, Edmund de to Morton, Cyril Evelyn
- Morton, Daniel Emerson to Moscow, Yuri IV of
- Moscrip, Leigh to Mosenthal, Kathleen Nelly
- Moser, 2nd Conde de (unknown) to Moss, George Robert
- Moss, Gertrude Emily to Mostyn, Deborah
- Mostyn, Denise Suzanne to Mostyn, Thomas, 6th Bt.
- Mostyn, Trevor to Mouat, unknown
- Moubray, Anne Catherine Wilhelmina to Mount Stuart of Wortley, 8th Baron, co. York (John Colum)
- Mount Stuart, Lord (John Bryson) to Mountcastle, 9th Baron, co. Tyrone (James)
- Mountchesney, Jane to Mouzillat, Robert
- Movius, Amanda Leigh to Moyarta, 3rd Baron (Daniel)
- Moyer, 1st Baronet, of Pitsey Hall, co. Essex (Samuel) to Mueller, Sharon Patricia
- Mueller-Roewekamp, Kirstin to Muir, Margaret
- Muir, Margaret to Mulholland, Norah Louisa Fanny
- Mulholland, Olga to Mullins, Florence Evelyn
- Mullins, Florence Randolph to Munday, Thomas E G
- Mundeford, Edmund to Munro, Averil Moira Katharine
- Munro, Avril Alene Joan to Munro, Nancy Carey
- Munro, Neil to Murat, Louis-Napoléon
- Murat, Louis-Napoléon to Mure, William of Rowallan
- Mure-Campbell, James to Murphy, Elizabeth Mary
- Murphy, Elizabeth Mary to Murphy, Mary
- Murphy, Mary to Murray of Elibank, Baroness (Hilda Louisa Janey Wolfe)
- Murray of Epping Forest, Baron, of Telford in the County of Shropshire (Lionel) to Murray, Anna Teresa
- Murray, Annabel to Murray, Cecil Dunmore
- Murray, Cecil Henry Alexander to Murray, Elizabeth
- Murray, Elizabeth to Murray, Gertrude Blanche
- Murray, Gertrude Elizabeth to Murray, James Johnstone, 2nd Earl of Annandale
- Murray, James Michael Hallam to Murray, John, Marquess of Tullibardine
- Murray, John, Marquess of Tullibardine to Murray, Margaret Frances Elizabeth
- Murray, Margaret Heather to Murray, Patrick of Falahill
- Murray, Patrick of Falahill to Murray, Timothy
- Murray, Tracey to Murray-Aynsley, John Percy
- Murray-Aynsley, Maud to Musgrave, Arthur David
- Musgrave, Augusta to Musgrave, Thomas de
- Musgrave, Thomas de to Mutch, Robert Everett
- Muter, Alexander Spence to Myers, Vicky Robyn
- Myers, William I. to Myrddin-Evans, Guildhaume
- Myre, Vera Eleanor to Nabokova, Xenia Nikolaevna
- Naboulet, Hortensia to Nairne, Helen
- Nairne, Helen to Namur, Robert de
- Nana, Dur-e-Mariam to Napier, Anne
- Napier, Anne Carmichael to Napier, Hugh Robert Lennox Napier Of Merchistoun Yr
- Napier, Hélène Margaret to Napier, Robert Archibald
- Napier, Robert Bruce to Narramore, Robert Edwin
- Narroway, Patricia Mary to Nasmyth, Robert
- Nason, Alexis Painter to Nassau, William Alexander Frederick Constantine Nicholas Michael von
- Nassau, William Alexander Frederick Ernest Casimir von to Nassau-Weilburg, Henriette Alexandrine Friederike Wilhelmine
- Nassau-Weilburg, Henriette Alexandrine Prinzessin von to Naunton, William
- Nausbaum, Aaron to Naylor-Leyland, Lucy C.
- Naylor-Leyland, Marguerite to Neave, Dorina Mary Eileen
- Neave, Dorinda May to Neave, Winifred Emma
- Nebauer, George Robert to Needham, Tarquin Nicholas Needham
- Needham, Thomas to Neilson, Julie Emilie
- Neilson, Katharine Mary to Nelson, Charlotte
- Nelson, Charlotte Amelia Musgrave to Nelson, Mervyn Rupert
- Nelson, Michael Shawn to Nepean, Maria Theresa
- Nepean, Mary Edith to Ness, William
- Nesselrode, Karoline Auguste Gräfin von to Netterville, Robert
- Netterville, Robert to Neve, Thomas le
- Nevell, (Frances) Clodagh to Nevill, Luisa Maria Carmen
- Nevill, Margaret to Neville, Elizabeth
- Neville, Elizabeth to Neville, Mary
- Neville, Mary to Nevin, Thomas 1st Lord Nevin
- Nevins, Adela Eva to Newburgh, John
- Newburgh, Letitia to Newdigate, unknown daughter
- Newdigate-Ludford-Chetwode, Arabella Phillis to Newman, Emily Martha
- Newman, Emma to Newman, Zachary John Bissett
- Newman-Clark, Archibald to Newson, William Henry
- Newson-Smith, (Elizabeth) Jane to Newton, John
- Newton, John to Niall, Rayner Hugh
- Niarchos, Alexis Spyros to Nicholls, John
- Nicholls, John Edward to Nicholson, Catherine Jane
- Nicholson, Catherine Muryell to Nicholson, John
- Nicholson, John to Nicholson, Sybil Helen
- Nicholson, Sylvia Mary Victoria to Nicol, Raewyn
- Nicol, Robert to Nicolls, Roderick
- Nicolovius, Flora to Nidzieko, Walter
- Niebel, Gisela Hanelore to Nightingale, Elizabeth
- Nightingale, Elizabeth to Niklas, Stephanie
- Nikolau, Sophia to Nisbett, Nehemiah
- Nisbett, Nehemiah to Nixon, Winifreda Lilian Margaret
- Nixon-Montgomery, Alexander to Nobbs, Joseph Atkin
- Nobbs, Joseph Fosket to Noble, James
- Noble, James to Noel, Arabella
- Noel, Archibald Charles William to Noel, Joseph David
- Noel, Josephine Annie to Noel-Paton, Victor Ferrier, Baron Ferrier
- Noell, Elizabeth to Norborne, Walter
- Norburg, Leonhilde Klezlde Baronin von to Norman, Casper Joe
- Norman, Catherine to Norman, William
- Norman, William to Norrie, Willoughby
- Norrington, Arthur James to North Wales, Prince of (Daffyd)
- North, 10th Baroness (Susan) to North, Lucy
- North, Lucy to Northbrook, Countess of (Florence Anita Eyre)
- Northchurch, Baroness, of Chiswick in the County of Middlesex (Frances Joan) to Northcote, Katharine Cecilia Rachel
- Northcote, Katherine to Northland of Dungannon, Viscountess (Diana Jane)
- Northland, Richard to Norton, Eliza
- Norton, Eliza Bland to Norton, Thomas
- Norton, Thomas to Notley, Richard Norman
- Noto, Pedro Juan Maria Alejo Saturnino y todos los Santos di to Nowlan, Ray
- Nowland, Horace N. to Nugent, Christopher, Lord Delvin
- Nugent, Clara to Nugent, John
- Nugent, John to Nugent, Robert
- Nugent, Robert to Nutt, William
- Nuttall, 3rd Baronet (Nicholas Keith Lillington) to Nye, Una Sheila Colleen
- Nyeland, Beverly Louise to O'Brien, Annie
- O'Brien, Annie to O'Brien, Elisabeth
- O'Brien, Eliza to O'Brien, Kirby
- O'Brien, Laetitia Maria to O'Brien, Patricia Cicely
- O'Brien, Patricia Mary Gabrielle to O'Brien, Zsuzánna Éva Szeréna
- O'Brolchain, Barbara to O'Callaghan, Eugene Patrick
- O'Callaghan, Frances to O'Callaghan-Westropp, Rose Mary Hope
- O'Callan, Bartholomew to O'Connell, Dan
- O'Connell, Daniel to O'Connell, Joan Daphne
- O'Connell, Joan Mary Lucilla Margaret to O'Connell, Morgan
- O'Connell, Morgan to O'Conner, Wilhelmina
- O'Connor Don, Denis to O'Conor, Eva Mary
- O'Conor, Evaine to O'Daly, unknown wife
- O'Daniel, Eleonore to O'Donnell, Hugh
- O'Donnell, Hugh to O'Donoghue, John
- O'Donoghue, John to O'Dwyer, Stuart Goold
- O'Düine, Maud to O'Grady, Emily
- O'Grady, Emma Josephine to O'Grady, Thomas
- O'Grady, Thomas to O'Hare, Sarah
- O'Hea, Dorothea to O'Kelly, Theresa Mary
- O'Kelly, Thomas to O'Mara, Patrick
- O'Mclaghlin, Charles to O'Neill, Brian Carrach
- O'Neill, Brian Carrach to O'Neill, Maria Isabel
- O'Neill, Maria-Ana to O'Reilly, Hugh
- O'Reilly, Hugh to O'Shea, Mary
- O'Shea, Mary Josephine Roche to Oakeley, William Robert Atholl
- Oakes, A. R. to Oakshott, Valerie Anne Doreen
- Oaten, Albert Edward to od Elbine, Berald , Prince of Orange
- Odam, Alexander to Odell, Iris Morna
- Odell, Isabel Mary to Odell, Wilhelmina Jane
- Odell, William to Oettingen, Wilhelm Graf von
- Oettingen-Oettingen und Oettingen-Spielberg, Alois Philipp Joseph Maria Notger Fürst zu to Ogg, Flora
- Ogier, David to Ogilvy of Airlie, Jean
- Ogilvy of Alith and Lintrathen, 1st Lord, co. Forfar (James) to Ogilvy, Francis Mackenzie
- Ogilvy, Francis of Newgrange to Ogilvy, Marcia Napier
- Ogilvy, Margaret to Ogilvy, Winnefred
- Ogilvy-Dalgleish, Archibald to Ogle, Joan de
- Ogle, Joan Sophia Helen to Okeover, William
- Okes, Mary to Oldenburg, Duchess of (Tatiana)
- Oldenburg, Duchess of (Therese Friederike Olga) to Oldershaw, Millicent Susan
- Oldfield, Alexandra Frances Margaret to Olenski, Wladyslaw Fürst
- Olesen, Harold to Oliphant, Laurence Bruce Marcus
- Oliphant, Laurence Hugh to Oliver, Douglas Austin
- Oliver, Dudley to Oliver, Rose Vivien Louise
- Oliver, Ruaraid Jack to Ollard, William Richard
- Ollehain, Marie de to Omar, Ralph
- Ombrain, Catherine Daphne Alice d' to Onslow, Milo Richard Beaumont
- Onslow, Muriel to Oppenheim-Barnes, Sally, Baroness Oppenheim-Barnes
- Oppenheimer, 1st Baronet, of Stoke Poges, co. Buckingham (Bernard) to Orby, Thomas, 1st Bt.
- Orchard, Alaister Mildmay Heywood to Orfeville, James d'
- Orford, (?) of to Orléans, Diane d'
- Orléans, Diane Françoise Marie d', Princesse d'Orléans to Orléans-Bragança e Wittelsbach, Maria Teresa Aldegunda Luiza Josefa Micaela Gabriela Rafaela Gonzaga
- Orléans-Bragança e Wittelsbach, Maria Teresa de to Ormonde, Marquess of (Walter)
- Ormrod, Agnes Lennox to Ormsby-Gore, William Seymour
- Ormson, Carl to Orr Ewing, William Pellew
- Orr, (?) to Orrery, Lucy Boyle
- Orridge, Frances to Osborn, George
- Osborn, George Ashby Arthur to Osborne, Elizabeth
- Osborne, Elizabeth to Osborne, Richard, 1st Bt.
- Osborne, Richard, 2nd Bt. to Osorio de Moscoso, Pedro, Duque de Montemar
- Osorio y Bertran de Lis, Juan Miguel, Duque de Albuquerque to Oswell, Thomas John
- Oswestrie, Lord of, Shropshire (William) to Ougritchitch-Trebinsky, Nina
- Ould, J to Overend, Trevor
- Overhoff, Angela to Owen, Hawyse ap
- Owen, Henrietta to Owen, William Stanhope
- Owen, William, 4th Bt. to Oxfuird, Viscountess of (Venetia Cunitia Mary)
- Oxholm, Elsa Mimi Adelaide Marie to Packe, Rosemary Margaret
- Packe, Selina Matilda to Page, Catherine
- Page, Catherine to Pagenhardt, Tania Baronin von
- Pagerie, Amelie Eugenie de la to Paget, Elizabeth Araminta
- Paget, Elizabeth Beatrice Howard to Paget, Martha Stuart
- Paget, Martin Charles to Pagotto, Vittorio
- Pagrave, Edward to Paisley, Fiona Margaret
- Paisley, Hamilton, Mountcashell and Kirkpatrick, 1st Lord (James) to Pakenham, Henry
- Pakenham, Henry de to Pakenham, William Law
- Pakenham, William Lygon, 4th Earl of Longford to Paletski, Dimitri, Prince Paletski
- Palewski, Gaston to Palliser, Hugh
- Palliser, Hugh to Palmer, Barbara Verilie
- Palmer, Baroness (Amy Christiana) to Palmer, Eva Mary
- Palmer, Evan Vickers to Palmer, John Howard
- Palmer, John Nicholas to Palmer, Rebecca
- Palmer, Rebecca to Palmer-Morewood, William Frederick
- Palmer-Tomkinson, Anthony to Panter, Katherine Ruth
- Panting, Elizabeth to Paravicini, Winifred Marian
- Parbroath, 10th Lord (John Trotter) to Parersen, Agnete
- Pares, Auriol Fyler to Park, William of that Ilk
- Parke, Alice to Parker, Camilla Mary
- Parker, Carine Agnes to Parker, Frederic Anthony Vivian
- Parker, Frederick Archibald to Parker, Juliet Leonora
- Parker, Julius Praed to Parker, Robert Barry
- Parker, Robert Charles to Parker-Jervis, George Henry
- Parker-Jervis, Grace Catherine to Parkinson, William
- Parkinson-Fortescue, Chichester Samuel to Parnell, Edith Caroline
- Parnell, Edith Mary Palmer to Parr, Thomas Clements
- Parr, Thomas Philip to Parry, Wanda Mary
- Parry, William to Parsons, James
- Parsons, James to Partington, Jasper
- Partington, Jean Aileen to Pasley, Florence Annie Heloise
- Pasley, Florence Sabine to Passy, Margaret Helen Katherine
- Pastellas, Andrew Homer to Paternayan, Vivien Gale
- Paterno Castello di Cárcaci, Alessandro, 13° Duca di Cárcaci to Paterson, William Kemp
- Paterson-Balfour-Hay, Edmond de Hay to Patte, Feodora Mathilde Helena
- Patten of Barnes, Baron, of Barnes in the London Borough of Richmond (Christopher Francis) to Pattle, William
- Pattman, Sarah to Paul, Minette Colleen Helen
- Paul, Mongwati to Paull, Vivian Hearle
- Paullett, Elizabeth to Pawle, Victoria Louise Maria
- Pawlett of Basing, Charles to Payne, J. W.
- Payne, Jacqueline Faith to Payne-Townshend, Mary Susanna
- Paynel, Agnes to Peacock, John
- Peacock, John Brownlow to Peale, William Rogers
- Peapells, Peter to Peard, Richard Frederick
- Peardon, Albert Dudley to Pearson, Dominic E
- Pearson, Dorothy to Pearson, Sarah Jane
- Pearson, Sebastian William Orlando to Pease, John William
- Pease, John William Beaumont, 1st Baron Wardington to Pechell, William Cecil Kerr
- Pecheron, Agnes Eleanora to Peedle, Winifred Emily
- Peek, 1st Baronet, of Rouston, Devon (Henry William) to Peel, Katherine Louise
- Peel, Kathleen to Peile, Silvia Valentine
- Peine, Virginia to Pelham, John, 3rd Bt.
- Pelham, Joseph to Pell, William Henry
- Pellatt, Amelia to Pelly, Anne Loraine
- Pelly, Anne Rose to Pelly, Gwynneth Mary
- Pelly, Harold Alwyne, 5th Bt. to Pelly, Oliver Tye Hutchison
- Pelly, Pamela Margaret Evelyn to Pemberton, Ellen
- Pemberton, Emma to Pender, Vida Ruby
- Pender-Cudlip, Peter to Pennant, unknown
- Pennant-Rea, Elizabeth Louise to Pennington, William, 1st Bt.
- Pennock, Baron, of Norton in the County of Cleveland (Raymond William) to Penrose-Fitzgerald, Robert Uniacke
- Penrose-Thackwell, Elizabeth Harriet to Pepper, Virginia Frances
- Pepper-Stavely, George Augustus to Pepys, Zita Mary
- Pepys-Whiteley, Derek to Perceval, John Francis George
- Perceval, John James, 3rd Earl of Egmont to Percy, Anthony
- Percy, Arthur to Percy, Victoria Frederica Caroline
- Percy, Victoria Lucy Diana to Perkins, Juliet Berry
- Perkins, Juliet Rosalind to Perring, Wendy
- Perrins, Charles G. to Perry, Olivia Joan
- Perry, Pauline to Persse, Elizabeth
- Persse, Elizabeth to Persse, Robert
- Persse, Robert Algernon to Pery, Imelda Sybil
- Pery, Isabella to Peter, William
- Peter-Hoblyn, Dorothy Barbara to Peterson, Mitchell
- Peterson, Nathalia Dmitrievna to Peto, Walter Samuel
- Peto, William to Petre, Katharine
- Petre, Katharine Violet to Petrie, William Witon
- Petrie-Hay, Louise Cecilia Mary to Petty, William, 1st Marquess of Lansdowne
- Petty-FitzMaurice, Arabella Helen Mary to Peyton, Jane
- Peyton, Jane to Pfalz, Matilde von der
- Pfalz, Moritz Christian von der to Phelip, William, 1st Lord Bardolf
- Phelips, Anna Aletheia Elizabetha to Philipps, Edward Berkeley
- Philipps, Eiddwen Sara to Philips, Juliana Hicks
- Philips, June Darby to Phillimore, Josceline Mary
- Phillimore, Joseph to Phillips, Confrey A.
- Phillips, Cynthia Phoebe to Phillips, Mary
- Phillips, Mary to Philott, Teynham Fuge
- Philp, Anne to Phipps, Kimberley
- Phipps, Kirsty to Piast, Otto
- Piast, Przemyslaw to Pickering, William George
- Pickersgill, Anne to Pidgeon, William R.
- Pidrey, G. H. to Pierrepont, Gervais, 1st and last Baron Pierrepont of Hanslape
- Pierrepont, Gervas Evelyn, 6th Earl Manvers to Pierson, unknown
- Piersone, Kristian to Pigot, Walter
- Pigot-Moodie, Alexandra Rhoda to Pigou, W G
- Pihan, Charles to Pilaski, Moritz
- Pilaszanovits, Helene Marie Isidora von to Pilkington, Baroness, of Oxenford, Dowlish Wake, co. Somerset (Helen)
- Pilkington, Belinda Emily to Pilla, Matthilde
- Pillado Quintans, Sabela to Pine, William Yewett
- Pine-Coffin, Charles John Samuel to Pinsent, Rosemary
- Pinsent, Roy, 2nd Bt. to Pita Blanco, Maria Ester
- Pitaluga, Marcella to Pitman, William Hugh
- Pitmedden, Alexander Seton of to Pixley, Stewart Edward
- Pizarro, Francisca Rosa to Plantagenet, William 'le Batard'
- Planter, Chistina to Player, William Goodacre
- Playfair, 1st Baron, of St. Andrews, co. Fife (Lyon) to Plettenberg, Ida Gräfin von
- Plettenberg, Ida Margarete Anna Gräfin von to Pleydell-Bouverie, Wilma
- Pleydell-Bouverie-Campbell-Wyndham, Philip Arthur to Plowden, William Xaverius
- Plowman, (Richard Robert) Bindon to Plumptre, Michael John
- Plumptre, Peter Bridges to Plunkett, Christopher, 5th Lord Dunsany
- Plunkett, Christopher, 7th Lord Dunsany to Plunkett, unknown daughter
- Plunkett, unknown daughter to Poeinitz, Isabella Drummond de
- Poellnitz, Adèle Baronin von to Poland, Kevin John
- Poland, Konstanze of to Pole, Henry
- Pole, Henry to Pole, Winifred
- Pole-Baker, Judith Madeleine to Pollak, Robert
- Pollard, A. J. to Pollexfen, Mary
- Polley, Alan to Pollock, Gertrude Menella
- Pollock, Gillian Isolda Josephine to Pollock, Zoë Deborah
- Pollock-McCall, Pamela Mary to Pomeroy Colley, William Wingfield
- Pomeroy, Alexandra Mary Lee to Ponce de Leon, Pedro, Conde de Arcos
- Ponce Ocampo, Emilia to Ponsonby, Emma Christina
- Ponsonby, Emma Rebecca Brandon to Ponsonby, Simon Mark Noel
- Ponsonby, Sophia Mary Longfield to Poole, Finetta
- Poole, Fiona to Poore, Dennistoun
- Poore, Diana Marion to Pope, Jacqueline Dorothy Mametz
- Pope, James Alister to Popham, Katherine
- Popham, Kythe Catherine to Portal, Burnaby Mark
- Portal, Carole Mary Esmonde to Porteous, Tancred John Octavian
- Porter of Luddenham, Baron, of Luddenham in the County of Kent (George) to Porter, Maria Rosa
- Porter, Marjorie Winifred to Portman, Edward Berkley, 1st Viscount Portman
- Portman, Edward Claud Berkeley, 5th Viscount Portman to Portugal, Pedro 'the Cruel'
- Portugal, Pedro de to Potocki, Tomasz
- Potocki-Sapieha, Jakub to Potter, William H.
- Potter, William Ian to Poulett, William Turnour Thomas
- Poulett-Thomson, Charles Edward, 1st and last Baron Sydenham to Powditch, William
- Powell Jones, Elizabeth M. to Powell, Hugh Penry
- Powell, Hylda to Powell, Wilhelmina
- Powell, William to Power, James
- Power, James Daniel to Power, Victoria Jacquine
- Power, Virginia to Powys, Leopold William Henry
- Powys, Littleton to Poyntz, Elizabeth
- Poyntz, Elizabeth to Poyntz, Nicholas, 2nd Lord Poyntz
- Poyntz, Nicholas, 4th Lord Poyntz to Pranckh, Sofie von
- Pranger, Ludwig to Pratt, Harriet Agatha Mytton
- Pratt, Harry Arthur to Prebble, Thomas
- Precce, John Ambrose to Prendergast, William de
- Prendergast-Smyth, John to Prest, Unknown Child
- Prestage, Anna Georgina to Preston, George of Valleyfield, 1st Bt.
- Preston, Georgiana to Preston, Rex Wentworth
- Preston, Richard Dean to Pretyman, John
- Pretyman, John Ernest to Preußen, Prinz von (Alexander)
- Preußen, Prinz von (Alfred Friedrich Ernst Heinrich Conrad) to Prevost, Hester
- Prevost, Jacques Marc to Price, Charles
- Price, Charles to Price, Ian Richard
- Price, Iolanda to Price, Nicholas Henry Maurice
- Price, Nicola Merelle to Price, –
- Price-Owen, Katherine Robinetta to Prideaux-Brune, Winifred Anne
- Pridgeon, Sally to Primrose, Margaret Jane
- Primrose, Margaret Morton to Pringle, Magdalen Valerie
- Pringle, Malcolm to Prior-Palmer, Spunner
- Prior-Pitt, Victoria Mary Louise Adelaide to Proby, Charles James
- Proby, Charles John to Procter, William
- Proctor, Adrian Brent to Prothero, Thomas
- Protheroe, Gwendoline to Pryke, William Robert Dudley, 2nd Bt.
- Pryke, William Robert, 1st Bt. to Puckler von Schwichow, Wendt-Wilhelm Graf von
- Puckler, Christian Wilhelm Karl Graf von to Pullan, Jane
- Pullan, John to Puntillo, Timothy David
- Punturieri, Marina to Purchas, T. A. R.
- Purchase, Adrian to Pursey, Thomas William
- Purslow, Anthony Michél to Putterill, Sylvia
- Puttfarken, Elspeth Ann to Pym, Gambier
- Pym, Grace to Pyper, Zoë Marianne Clara
- Pypho, Robert to Quarles, unknown
- Quarm, Lachlan to Quency, Saher, 1st Earl of Winchester
- Quenington, Viscount (Michael Hugh) to Quilter, Zoe Gwynedd
- Quilty, Margaret to Quinnell, William Henry
- Quinores de Benares, Mencia de to Quintal, Frank Walter
- Quintal, Frederick Adolph to Quintal, Nini
- Quintal, Nita Glynn to Quirk, Philip
- Quirk, Richard to Radcliff, Stephen
- Radcliffe, (Elizabeth) Denyse Mary to Radcliffe, Percy
- Radcliffe, Percy Pollexfen de Blaquiere to Radnor, Philip Pleydell-Bouverie (see
- Radnotfay, Maria Selma to Rae, Elsie Myrtle
- Rae, Emma Louise to Raffles, Thomas
- Raffles, Thomas to Raincliffe of Raincliffe, 4th Viscount, in the North Riding, co. Yorks (Hugo William Cecil)
- Raine, Dorothy Frances Maria to Rajek, Todd Lawrence
- Rake, John to Ralli, Pandia
- Ralli, Pandia to Ramirez y Eguiluz, Violeta Alejandra
- Ramirez y Olivares, Alejandro to Ramsay, Cuthbert
- Ramsay, Daniel Bruce to Ramsay, Jean Maule
- Ramsay, Jennifer Susan to Ramsay, Robert of Cammo
- Ramsay, Robert of Camno to Ramsbotham, Joshua Fielden
- Ramsbotham, Juliet Rebecca to Ramsden, Isabella Anne
- Ramsden, Isobel Lucy to Ramsey, Winifred Geraldine
- Ramshaw, Margaret to Randolph, Jane
- Randolph, Jean Margaret to Rankin, unknown child
- Rankin, Veronica to Rappini di Casteldelfino, Vittorio
- Rappolstein, Margaret von to Rataj, Oscar James
- Ratansey, Jafferbhoy to Rattigan, Timothy Neal
- Ratton, Kathleen Mary Borgia to Ravenscroft, Winifred
- Ravensdale of Kedleston, Baroness, of Kedleston in the County of Derbyshire (Mary Irene) to Rawdon-Hastings, Victoria Maria Louisa
- Rawe, James to Rawnsley, Walter Hugh
- Rawoo, M. M. to Raymond, William Maynard
- Raymond-Barker, John Raymond to Rea, William Alexander
- Read, Abby to Reade, Charles Darby
- Reade, Charles John to Reade, Susan Elizabeth
- Reade, Susanna to Reardon-Smith, Zahra Elizabeth
- Reason, Eric Frank to Reddick, Tom Bokenham
- Reddie, Arthur William Lawrence to Redhead, William Robinson
- Reding, Mary to Redwood, William
- Redwood, William to Rees, Jane ap
- Rees, Jennifer Mary to Reeve, Mary Scarlett
- Reeve, Matthew to Reggio, Rosa
- Regiovanni, Vincenzo dei Marchesi to Reid, Eliza P. M.
- Reid, Elizabeth to Reid, Mary Ethel Gillot
- Reid, Mary Florence Elizabeth to Reilly, James
- Reilly, James Andrew to Rellie, Titus Jasper Jake Icarus
- Relling, Sylvia Mary to Rendell, Sophia Elizabeth
- Rendle, Ashton to Renshaw, Mildred Elizabeth
- Renshaw, Patricia to Repentigny, Chantal de
- Repetito, Karim Grunauer to Reuss zu Köstritz, Heinrich XLVI Prinz
- Reuss zu Köstritz, Heinrich XLVII Prinz to Revson, Samuel Morris
- Revy, J. J. to Reynolds, Deborah Kay
- Reynolds, Delphine Rose to Reynolds, Samuel
- Reynolds, Samuel to Rheault, Solaye Ashton Boiteau
- Rheims, Adalberon of to Rhodes, Zachariah
- Rhodes-Moorhouse, Linda Beatrice to Ricardo, Winifred Maud
- Ricasoli Firidolfi, Caterina dei Baron to Rice, Matilda Horatia
- Rice, Maud to Rich, Susannah
- Rich, Tessa Catherine to Richards, Henrietta Sarah Eleanor Augusta
- Richards, Henry Gordon to Richardson, Andrew Hedley
- Richardson, Angel to Richardson, James of Smeaton
- Richardson, James of Smeaton, 3rd Bt. to Richardson, Sarah
- Richardson, Sarah to Richey, Teresa
- Richford, J. E. C. to Richthofen, Wolfgang Leopold Walter Prätorius
- Richwood, Serena to Ricketts, Michael Rodney
- Ricketts, Michael Tristram to Riddell, Emily Lethbridge
- Riddell, Emily Spitzer to Riddell, Thomas
- Riddell, Thomas to Ridgely, Sarah
- Ridgen, Francis John to Ridley, Vera Constance
- Ridley, Vera Emily to Rigby, Florence Ernilly
- Rigby, Frances to Riley, Michael
- Riley, Michael Edward to Riofreddo, Marchese di (Rodolfo)
- Riollot, Berthe to Risk, Marjorie Elizabeth
- Risley, Bridget Margaret Marion to Rithie, William, Lord Rithie
- Ritscher, Ingrid to Rivett-Carnac, Charles Walter
- Rivett-Carnac, Christopher Charles to Roach, Zachary Cleveland
- Roache, Susan to Robeck, John Michael, 1st and last Bt.
- Robeck-Carolin, Edward John de to Roberts, Christine
- Roberts, Christine Margaret Hermione to Roberts, Jane
- Roberts, Jane to Roberts, Norman Samuel
- Roberts, O. Mark to Roberts, Zacherey
- Roberts-Buchanan, Gail Antoinette to Robertson, David Maurice Durdin
- Robertson, David, 1st Baron Marjoribanks of Ladykirk to Robertson, James Patrick Bannerman, Baron Robertson
- Robertson, James Patrick Ogilvie to Robertson, Nicholas Charles
- Robertson, Nicol to Robertson-Glasgow, Zella Muriel Mary
- Robertson-Macdonald, Caroline Janet to Robinson, Angus Igidio
- Robinson, Ann to Robinson, Dulcie May
- Robinson, Duncan Strachan to Robinson, Helena
- Robinson, Helena Eleanor to Robinson, Kenyon John à Court
- Robinson, Kerry to Robinson, Peter
- Robinson, Peter to Robinson, William
- Robinson, William to Robson, Violet J.
- Robson, William to Roche, Isabella Susan Alice
- Roche, Isabella Susannah Adelaide to Rochefoucauld, unknown de
- Rochery de Marcenay, Juliette to Rochforte, Thomas de
- Rochfoucauld-Bayers, Henri de la to Roderburg, Sven
- Roderick, Alexander John Melville to Rodney, Jocelyn Marjorie
- Rodney, John to Roe, William J.
- Roe, William Lot to Rogers, Georgiana
- Rogers, Georgiana Mary to Rogers, Winston Alexander
- Rogers-Coltman, Alice Mary Cynthia to Rohan-Chabot, Thibaud de
- Rohan-Rochefort, Charles to Rolle, Margaret
- Rolle, Margaret, Baroness Clinton to Rollo, Mary Amelia
- Rollo, Mary Anne to Romanoff, Theodore
- Romanones, Conde de (Alvaro) to Romanova, Vera Konstantinovna, Princess of Russia
- Romanovich, Yevgeniya Aleksyeevna to Romer-Lee, Thomas Peter
- Romero y Jimenez, Santiago to Rookes, William
- Rookin, Mary to Roper, Caroline Amy Louisa
- Roper, Caroline Fanny to Roper, Winifred
- Roper-Caldbeck, Alice Mary to Ropner, Robert
- Ropner, Robert Angus to Roscommon, 9th Earl of (Robert)
- Roscrea, Lord of the Manor of (John) to Rose, Hugh
- Rose, Hugh to Rose, Philip Thomas Solomon
- Rose, Philip Timothy to Rosenborg, Minna Benedicta von
- Rosenborg, Susanne von to Ross, Anne
- Ross, Anne to Ross, Helen Sophia
- Ross, Henrietta Mary to Ross, Mary Jemima
- Ross, Mary Julia to Rosse, William Parsons (see
- Rossel, Anne Catherine to Rotenhan, Valentin Baron von
- Roth, Barbara to Rothschild, Constance de
- Rothschild, Cécile de to Rothwell, Mollie
- Rothwell, Richard to Rountree, Thomas
- Roupe, Antoine Pierre to Routledge, Sarah
- Routledge, Sarah to Rowe, Donald
- Rowe, Ebenezer to Rowland, Walden John
- Rowland-Rouse, Jacqueline to Rowley, John
- Rowley, John to Rowntree, Vanessa Kannon
- Rowsay, Katherine to Royds, Henry
- Royds, Hester Frances to Ruck-Keene, Hermione Katharine Mary
- Rucke, Eleanor to Rue, Harry
- Rue, Harry William John de la to Ruggles-Brise, Violet Agatha
- Ruglen, 1st Earl of (John) to Rumbold, Zoe
- Rumboll, Jennifer Mary to Rurik, Wolodar
- Rus, Alice le to Russell of Thornhaugh, Baroness (Catharine)
- Russell, 'the white Sir William' to Russell, Catherine
- Russell, Catherine to Russell, Elizabeth Sophia
- Russell, Elizabeth Sophia to Russell, Ida Kathleen
- Russell, Ida Mabel to Russell, Lilian Emmeline
- Russell, Lilian Frances to Russell, Prudence
- Russell, R. Scott to Russell, Wriothesley David Xavier
- Russell, Wriothesley, 2nd Duke of Bedford to Rutherfoord, Walter of Capethope
- Rutherford of Nelson, 1st Baron, of Cambridge, co. Cambridge (Ernest) to Rutherfurd, Thomas, 2nd Lord Rutherfurd
- Rutherfurid, Elene to Rutland, William Henry Christian
- Rutledge, Alice Patricia to Ruótolo, Umberto
- Ryall, Belinda to Ryan, Sheelin Lorraine
- Ryan, Simone to Ryder, Elizabeth
- Ryder, Elizabeth Jean to Rye, Suzanne Lisette
- Ryecart, Marcia Mary Josephine to Rzyszczewski, Octavia
- Rzyzora, Andrea Jan to Sable, Robin Antony
- Sablièère, Aleys Rochereau de la to Sachsen, Gertrud von
- Sachsen, Gertrude von to Sachsen, Prinzessin
- Sachsen, Prinzessin to Sachsen-Coburg und Gotha, Karoline Mathilde Adelheid Sibyle Marianne Erica Prinzessin von
- Sachsen-Coburg und Gotha, Kathrin von to Sachsen-Eisenach, Wilhelm Heinrich von
- Sachsen-Freiberg, Sybille von to Sachsen-Meiningen, Prinz
- Sachsen-Meiningen, Prinz to Sachsen-Weimar-Eisenach, Prinz von (Friedrich Gustaf Karl)
- Sachsen-Weimar-Eisenach, Prinz von (Georg Konstantin) to Sackville, John
- Sackville, John to Sadler, unknown
- Sadowski, Alessa Beatrice to Saint Julien-Wallsee, Ottilie
- Saint Leger, Baron de (François) to Sainthill, Wilmot
- Sainton, Barbara Catherine to Salerno, Roger, Prince of Antioch
- Sales La Terriere, Francis James Bulmer de to Salisbury, William
- Salisbury, William to Salm-Reifferscheidt-Krautheim und Dyck, Rosemary Ferdinande Altgräfin zu
- Salm-Reifferscheidt-Raitz, Altgräfin zu (Marie Therese) to Salm-Salm, XIII Fürst zu (Nikolaus)
- Salma Shaik, Linda to Salt, Gillian Caryl
- Salt, Glendon to Saltersford, 8th Baron, of Saltersford, co. Chester (James Patrick Montagu Burgoyne Winthrop)
- Saltes, 12th Condesa de (Maria Eulalia) to Salviati, Scipione
- Salviati, Scipione, Prince Borghese to Sampson, Winnifred
- Sams, Arabella Hewit to Samuel-Montagu, Stuart Albert Samuel
- Samuels, Alice to Sanchez Pinedo y Giustinian Cigorraga, Gonzalo Emilio
- Sanchez y Mendaro, Eugenia to Sanders, John Hearne
- Sanders, John Ivan to Sanderson, Maud
- Sanderson, Merry Claire to Sandgren, Harro
- Sandham, Ada Margaret to Sandilands, William
- Sandilands, William to Sandys, Marina Annabel
- Sandys, Marion Palmer to Sankey, Peter William Richard
- Sankey, Peter William Richard to Saphir, Leopold
- Sapieha, Céline Henriette Hedwige, Princess Sapieha to Sarsfield, William
- Sarsfield-Hall, Anne Elizabeth to Satchwell, Violet
- Satgé, Canon John de to Saunders Watson, Yasmin Liebe Georgina Shamim
- Saunders, 10th Baronet, of Newtown Gore, co. Mayo (Arthur Strange Kattendyke David Archibald) to Saunders, Mia Marlene Teed
- Saunders, Michael to Sausmarez, Michael de
- Sausmarez, Michael de to Savage, Victoria Mary
- Savage, Violet Mary to Savile, Jane
- Savile, Jane to Saville, William, 2nd Marquess of Halifax
- Savino, Candita to Savoia-Carignano, Vittoria Cristina Adelaide Chiara Maria
- Savoia-Carignano, Vittoria Cristina di to Sawyer, William Harcourt
- Sax, Mary to Sayers, William Higley
- Sayle, Jane to Saynor, Sarah Josephine
- Sayre, Edward to Scanlan, Michael
- Scanlan, Michael to Scarlett, Katherine Mabel Helen
- Scarlett, Kathleen to Schaffgotsch, Karoline Gräfin
- Schaffgotsch, Klara Graf to Schaumburg-Lippe, Mario-Max Prinz zu
- Schaumburg-Lippe, Mathilde Prinzessin zu to Schenk von Limpurg, Johann Wilhelm zu Schmiedelfeld
- Schenk von Limpurg-Speckfeld, Franz to Schilizzi, Zanni
- Schill, Brigitte to Schleswig-Holstein-Sonderburg in Norburg, Wilhelmine Auguste von
- Schleswig-Holstein-Sonderburg, Adolf von to Schleswig-Holstein-Sonderburg-Glücksburg, Christian zu
- Schleswig-Holstein-Sonderburg-Glücksburg, Christiana zu to Schleswig-Holstein-Sonderburg-Plön, unknown von
- Schleswig-Holstein-Sonderburg-Rethwisch, Joachim Ernst II Herzog von to Schmitt, Odile
- Schmitz, Adolphine Caroline Annie Helena Marie to Schofield, Sybil Judith
- Schofield, Theodore Thomas to Schousboe, Eline
- Schoute, Cornelia to Schulte, Ruth
- Schulte-Steinburg, Susanne to Schwarz, Vittorio
- Schwarzburg, Elisabeth von to Schwerin, Richardis von
- Schwerin-Tecklenburg, Adelheid von to Schönborn-Wiesentheid, Zdenko Maria Karl William Graf von
- Schönburg, Anna von to Sclater, Elizabeth Flora Lutley
- Sclater, Elizabeth Rebecca to Scorgie, Vere Roderick
- Scorror, Doreen Ann to Scott, 6th Baronet (Edward Dolman)
- Scott, 6th Baronet (Samuel) to Scott, Beverley Ann
- Scott, Bindon to Scott, Edith Agnes Kathleen
- Scott, Edith Blanche to Scott, Gordon Buchanan
- Scott, Grace to Scott, Janet
- Scott, Janet to Scott, Lisette
- Scott, Liz to Scott, Montagu
- Scott, Moy to Scott, Sarah Victoria
- Scott, Sarnia Isabel to Scott, Walter Samuel
- Scott, Walter Scott to Scott-Moncrieff, William Dundas
- Scott-Murray, Amelia Charlotte to Scrope of Masham, John
- Scrope, 3rd Lord, of Masham (Henry) to Scrymgeour, unknown daughter
- Scrymgeour-Wedderburn, Aimée Elspeth to Seaforth, Margaret
- Seager, Carole Mary Leighton to Sealy, Winthrop Baldwin
- Seaman, Annabel Frances to Seawright, William
- Seay, Esther to Sechiari, Virginia
- Seckendorff, Margret Baronin von to Seefried auf Buttenheim, Valerie Gräfin von
- Seefried, Julia Baronin von to Segrave, Ivy Florence Mary
- Segrave, James to Selby, Nicholas
- Selby, Pamela Marjory Dorothy to Sellon, William Rivers
- Sells, Charles de Grave to Semple, Julia Lucetta
- Semple, Letitia to Sergeantson, Margaret
- Sergeaux, Alice to Seré de Lanauze, Thierry de
- Sesmaisons, Anne Yvonne Suzanne Marie de to Seton, Elizabeth
- Seton, Elizabeth to Seton, Robert of Windygoul, 1st and last Bt.
- Seton, Robert, 1st Earl of Winton to Sewel, John Buttifant, Baron Sewel
- Sewell, (?) to Seymour, Barbara Ann
- Seymour, Barbara Helen Joan to Seymour, Francis George Hugh, 5th Marquess of Hertford
- Seymour, Francis Hugh to Seymour, Margaret
- Seymour, Margaret to Seymour, Zoë Jane
- Seymour-Conway, Alice Elizabeth to Shackleton, William
- Shackley, 19– •Martyn to Shakerley, Walter Geoffrey, 3rd Bt.
- Shakerley-Ackers, Evelyn Mary to Shand, Yeo T.
- Shandley, Robert John to Sharp, Deirdre Eloise
- Sharp, Dorothy to Sharpe, Theophilus Alexander
- Sharpe, Thomas to Shaw, Beatrice Mary
- Shaw, Beatrice Mary to Shaw, Gelda Susan Marjorie
- Shaw, Geoffrey de Courcy to Shaw, Kristin
- Shaw, Laura J. to Shaw, Stanley Hamilton
- Shaw, Stanley Thornton to Shaw-Stewart, Louisa Mary
- Shaw-Stewart, Lucinda Victoria to Shearer, Valerie Frances
- Sheares, Henry to Sheffield, Grizel
- Sheffield, Gwendoline Sophia Alice to Shekleton, Mary Christie
- Shekleton, Maud Vera to Shelley Sydney, Philip Charles
- Shelley, (?) to Shelley, Timothy
- Shelley, Timothy, 2nd Bt. to Shepheard, unknown
- Shepherd of Spalding, Baron, of Spalding in the County of Lincolnshire (Malcolm Newton) to Sheppard, William Thomas
- Sheppee, F. F. to Shere, Mervyn
- Shereburne, Isabela to Sheremetev, Yuliya Vasilevna
- Sheremetiev, Helen to Sherlock, John
- Sherlock, John to Sherwood, unknown
- Shestov, Ivan to Shiffner, Priscilla Mary Scarlett
- Shiffner, Rebecca Frances to Shippy, Lydia Ann
- Shipsey, Dorothy Ann to Shirley, Mary
- Shirley, Mary to Shone, Sonya Louise
- Shoobridge, Peter to Shoppee, Joan Yvonne
- Shoppee, Joanne to Shore, Tacy Susan
- Shore, Thomas to Shotter, V. W.
- Shottesbrooke, Edith to Shuckburgh, Thomas
- Shuckburgh, Thomas to Shuttleworth, Juliana
- Shuttleworth, Lawrence to Sidday, Mary
- Siddeley, 3rd Baron, of Kenilworth, co. Warwick (John Tennant Davenport) to Sieff of Brimpton, Baroness (Pauline Lily)
- Sieff, Amanda Jane to Sillars, Lindsay C.
- Sillem, Charles Richard to Sim, Patrick Wood
- Sim, Rhonda Anne to Simeon, Zenya Jade
- Simes, Nathaniel to Simmons, William
- Simmons-Green, Beryl Kathleen to Simons, Yvonne Mignon
- Simonsen, Lotte to Simpson, Godfrey RAlph
- Simpson, Gordon James Moncreiff to Simpson, Shelia Lyle
- Simpson, Shirley Edith to Sinclair, Angus John
- Sinclair, Ann to Sinclair, Francis
- Sinclair, Francis to Sinclair, Jean
- Sinclair, Jean to Sinclair, Mary Alexandria
- Sinclair, Mary Amelia to Sinclair-Stevenson, George
- Sinclair-Wemyss, David to Sinibaldi, Alejandro M.
- Sinker, Alice Selina Marjorie to Sitwell, William Willoughby Hurt
- Siu-Wan, Fung to Skelton, Robert Jeremiah
- Skelton, Ruth Alison to Skerrett, Thomas
- Skerritt, Alfred Pemberton to Skinner, Monier
- Skinner, Nellie Constance to Skipwith, Helen
- Skipwith, Helen to Skipworth, William
- Skirrou, Andrew to Slade, Anne
- Slade, Anne to Slade, Wyndham Neave
- Sladeissue, Elizabeth Mellifont to Slattery, Samuel
- Slaughter, Barbara to Slinger, Milton
- Slingsby, 1st Baronet, of Scriven (Henry) to Slyfield, Margaret Eliott-Drake
- Slym, David Jon to Smart, William
- Smartt, Constance Mary Elizabeth to Smiley, Valerie
- Smiley, William Timothy John to Smith, Alice Winifred
- Smith, Alicia to Smith, Asa Gregory
- Smith, Ashley Christopher to Smith, Charles
- Smith, Charles to Smith, David John
- Smith, David Julian to Smith, Elizabeth
- Smith, Elizabeth to Smith, Fanny Isabella
- Smith, Fanny Maria to Smith, Gertrude
- Smith, Gertrude to Smith, Herbert
- Smith, Herbert to Smith, Janet
- Smith, Janet to Smith, Joseph Hendry
- Smith, Joseph Hendy to Smith, Louisa
- Smith, Louisa to Smith, Mary
- Smith, Mary to Smith, Nicholas Trent
- Smith, Nicholas William Winwood to Smith, Richard Selby
- Smith, Richard Tew to Smith, Sharon Ann Lynn
- Smith, Sharon Louise to Smith, unknown
- Smith, unknown to Smith, Winifred
- Smith, Winifred to Smith-Marriott, William Smith-Marriott
- Smith-Masters, Kathleen Amy to Smutz, William
- Smyllie, Amanda Mary to Smyth, Helen
- Smyth, Henrietta Frances to Smyth, Walter
- Smyth, Warington Wilkinson to Smythies, Walter James
- Smyttan, Louisa Gardyne to Snell, Phillipa Beatrice Morison
- Snell, Polly to Snow, Henry John
- Snow, Henry Martin to Soame, Thomas
- Soames, Archie Christopher Winston to Solesby, unknown
- Soley, Baron, of Hammersmith in the London Borough of Hammersmith and Fulham (Clive Stafford) to Solms-Laubach, Irene Gräfin zu
- Solms-Laubach, Irene Gräfin zu to Somerhill, 2nd Baron, of Somerhill, Kent (Herbert George)
- Somerie, Hawise de to Somerset, Douglas William Boscawen
- Somerset, Duchess of (Charlotte) to Somerset, Leonore Beatrice
- Somerset, Lesley to Somerset-Johnstone, Susan Frances
- Somerton, Viscount (Charles George Welbore Ellis) to Somerville, Mary Agnes
- Somerville, Mary Anne to Sondes, Viscount (Edward)
- Songstad, Stacey Eileen to Sotheby, William Edward Southwell
- Sotheran, Mary Sarah Shepley to Southby, Robert Henry
- Southby, Sarah Jane to Southwell, Elizabeth Katherine Mary
- Southwell, Erica to Sowden, Thomas
- Sowdon, Elizabeth to Sparkes, Weston Joseph
- Sparks, Ann to Spearman, Dorothy Catherine
- Spearman, Dorothy Jane to Spee, Irmgard Gräfin von
- Spee, Isabelle Gräfin von to Speke, William
- Spellman, Kathleen to Spencer, Candida Trench
- Spencer, Caroline to Spencer, Howland
- Spencer, Hugh Mark to Spencer, Stephen Thomas
- Spencer, Susan to Spencer-Nairn, Rowan Alastair
- Spencer-Nairn, Sarah Ursula to Spens, Joan Margaret
- Spens, Joanna to Sperling, Susan Astle
- Sperrey, Eleanor Katherine to Spiers, unknown
- Spies von Bulleshiem, Adolf Baron to Sponheim, Simon II Graf von
- Sponheim-Kreuznach, Elisabeth Gräfin von to Spread, Maria
- Spread, Maria Amelia to Spring, Margaret
- Spring, Margaret to Spurrier, William Horatio Sandys Cumby
- Spurstow, Eleanor to St. Aubin, Mauger de
- St. Aubyn, 1st Baronet, of Clowance, co. Cornwall (John) to St. Barbe, William
- St. Blaize-Molony, Kirsten to St. Clair-Erskine, Winifrede
- St. Clair-Ford, Anne to St. George, Josephine Louisa
- St. George, Joshua Adam to St. John of Bletso, Baroness (Elizabeth)
- St. John of Fawsley, Baron, of Preston Capes in the County of Northamptonshire (Norman Antony Francis) to St. John, Eleanor
- St. John, Eleanor to St. John, John de
- St. John, John de to St. John, Rebecca
- St. John, Richard to St. John-Mildmay, Jane
- St. John-Mildmay, Jane to St. Leger, Elizabeth
- St. Leger, Elizabeth to St. Maur, Violet
- St. Medard, Anketil de to Stack, Una
- Stackelberg, Constance Baronin von to Stacpoole, Jane
- Stacpoole, Jane to Stadt, Leigh-Ann van der
- Stael Holstein, unknown daughter von to Stafford, Thomas Joseph, 1st Bt.
- Stafford, Thomas, 3rd Earl of Stafford to Stallard, Vanessa
- Stallborn, Sophia to Stamp, William Charles
- Stampe, Dorothy to Standish, William Standish
- Standly, Agnes Georgina to Stanhope, Elizabeth
- Stanhope, Elizabeth to Stanier, Mary
- Stanier, Natasha Jane to Stanley, Edward
- Stanley, Edward to Stanley, Joshua John
- Stanley, Joy to Stanley, unknown
- Stanley, unknown to Stansfeld, Thomas Wolryche Guy
- Stansfield, Alfred to Staples, Jane
- Staples, Jane to Stapleton, Richard
- Stapleton, Richard Talbot Plantagenet to Starkey, Hampton
- Starkey, Harold to Staveley, Launcelot
- Staveley, Leila to Stebbings, William
- Stebbins, Mary to Steel, Richard Acton
- Steel, Richard Alexander to Steenland, Richard Aloysius
- Steensen, Maren Hansdatter to Stendrup, Nancy Joyce
- Stene, Deborah to Stephens, John Kyle
- Stephens, John M. to Stephenson, Lucinda Mary Pamela
- Stephenson, Lucy to Stern, Wendy
- Sternau und Hohenau, Elisabeth Gräfin von to Steuart, William Richard
- Steuart-Clark, Joan Annette Fechnie Stafford to Stevens, Maria Anne
- Stevens, Maria Frances to Stevenson, Helen Barbara Isabella
- Stevenson, Helen Constance to Stevenson, William, Jr.
- Stevenson-Hamilton, (Caroline) Anne to Stewart, Aileen Morrison Hall
- Stewart, Alan to Stewart, Anne
- Stewart, Anne to Stewart, Charles
- Stewart, Charles to Stewart, Elizabeth
- Stewart, Elizabeth to Stewart, Georgina Christine
- Stewart, Georgina Elizabeth to Stewart, J. Henry
- Stewart, J. M. to Stewart, Jean
- Stewart, Jean to Stewart, Keith
- Stewart, Keith Anthony to Stewart, Marion Drummond
- Stewart, Marion Evelyn Stewart to Stewart, Patrick
- Stewart, Patrick Jeffray to Stewart, Terry
- Stewart, Theresa to Stewart, William Anthony
- Stewart, William Augustus to Stewart-Richardson, Julia
- Stewart-Richardson, June Mary to Still, Willoughby
- Stillas, Alexander to Stirling, Christabel Georgia
- Stirling, Christian to Stirling, Margaret Elizabeth Mary
- Stirling, Margaret Lilias to Stirling-Home-Drummond-Moray, William George, 22nd of Abercairny
- Stirling-Maxwell, Ann Christian to Stockdale, Dorothea Madeline Beatrice
- Stockdale, Edmund Villiers Minshull, 1st Bt. to Stockley, Timothy Charles George
- Stockley-Smith, Alexander James to Stoghton, Walter de
- Stojkovits, Martha von to Stolberg-Stolberg, Caspar-Ferdinand Graf zu
- Stolberg-Stolberg, Christian Graf zu to Stolberg-Wernigerode, Botho VII zu
- Stolberg-Wernigerode, Carl Graf zu to Stone, Helen Moye
- Stone, Helena Jane to Stoney, Catherine
- Stoney, Catherine to Stoney, Ralph Francis Ewart
- Stoney, Ralph Francis Feltham Sadleir to Stonhouse-Vigor, William Liscombe
- Stonor Saunders, Alexander William Joseph to Stoop, Sophia Balthina
- Stopes, Celia to Stopford, Joan Mercy Mary
- Stopford, John to Storer, Thomas James
- Storeton, Agnes de to Stott, Harry John
- Stott, James to Stourton, Marjory
- Stourton, Marjory (Margaret) to Strabolgi, Philippa
- Stracey, (Mary) Barbara to Strachey, Oliver
- Strachey, Philippa to Straker, Sam Charles Barclay
- Straker, Selina Storm Felicia-Rose to Strang, –
- Strange de Blackmere, Baroness (Alethea) to Stransham, Eliza
- Stransom, Ada Florence to Strathearn, William of
- Stratheden of Cupar, 1st Baroness, co. Fife (Mary Elizabeth) to Streatfeild, Jane
- Streatfeild, Jill Katherine to Strickland, Charles Walter Campbell
- Strickland, Charles William, 8th Bt. to Strickland, Walter Claud
- Strickland, Walter Edward to Strode, William Winstanley
- Stroebe, Virginia F. to Strother, William
- Stroud, B E to Strutt, Reginald Edward
- Strutt, Rhoda to Stuart, Beatrix
- Stuart, Bernard to Stuart, Emily Frances
- Stuart, Emily Mary to Stuart, Joanne Mary
- Stuart, John to Stuart, Pamela
- Stuart, Pamela to Stuart-Forbes, William Kenneth
- Stuart-French, Robert Fitzroy Hamilton Pascoe to Stubber, Selina
- Stubber, Selina to Stubenberg, Johann Herr und Graf von
- Stubenberg, Johann Herr und Graf von to Stuckey, William Innes
- Stuckley, Agnes to Studdert, Annie
- Studdert, Annie Lindsay to Studdert, George
- Studdert, George to Studdert, Marion Frances
- Studdert, Marjorie Freda to Studdert, Thomas Julian
- Studdert, Thomas Martin Cox to Studholme, William Paul
- Studinka, Erzsebet to Sturrock, Victoria Jane
- Sturry, Carew to Style, Isabella
- Style, Isabella to Suckling, Robert
- Suckling, Robert to Sugden, Stephen
- Sugden, Thomas Peter to Sullivan, Patricia Berenice
- Sullivan, Peggy to Sumner, Emily
- Sumner, Emily Sarah Frances to Surrah, William
- Surrell, Andrew Gray to Sutherland, Aileen Alanmah
- Sutherland, Alasdair Patrick Cameron to Sutherland, Mary
- Sutherland, Mary to Sutton, Catherine
- Sutton, Catherine de to Sutton, John H.
- Sutton, John Hugh Torquhil to Sutton, William
- Sutton, William to Swaine, Sydney
- Swainson, Christopher Grandorge to Swann, Virginia Caroline
- Swann-Mason, Margarita Harriet Hart to Sweden, Wilhelm of
- Sweeney, Alfred to Swiatopelk-Czetwertynski, Stanislaw
- Swiatopelk-Czetwertynski, Susan-Maria to Swinnerton, William
- Swinnow, Margery to Swinton, Katharine Margaret
- Swinton, Katharine Maud to Swynnerton, Thomas
- Swyny, Roe to Sykes, Catherine Elizabeth
- Sykes, Catherine Mary to Sykes, Nicola
- Sykes, Nicola Mary Caroline to Symmers, unknown
- Symmes, Andrew Gordon to Synge, Doreen Hamilton
- Synge, Dorothy to Synnott, William
- Synons, Elizabeth Conway, Baroness Symons of Vernham Dean to Széchényi, Viktor
- Sà Sottomaior, Aimée de to Tabor, Veronica Joan
- Taborga, Diana to Tait, Isabella
- Tait, Isabella Jane to Talbot, Charles, 1st and last Duke of Shrewsbury
- Talbot, Charles, 1st Baron Talbot of Hensol to Talbot, Henry George
- Talbot, Henry Herbert to Talbot, Mary Laura
- Talbot, Mary Lucy to Talbot-Crosbie, Lesbia Violet
- Talbot-Crosbie, Lindsey Bertie to Talmash, William, Lord Huntingtower
- Talmash, Æthel to Tangermuende, Heinrich Graf von
- Tangley, Baron, of Blackheath in the County of Surrey (Edwin Savory) to Tapps, Sarah
- Tapps-Gervis-Meyrick, 3rd Baronet (George) to Tartaglia, Susan Ruth
- Tartaglio, Barbara Anne to Tate, Sheila Ann
- Tate, Simon to Taubman, unknown
- Tauffer, Brigit to Taylor of Mansfield, Baron, of Mansfield in the County of Nottingham (Harry Bernard)
- Taylor of Warwick, Baron, of Warwick in the County of Warwickshire (John David Beckett) to Taylor, Charlotte Sybil
- Taylor, Cheryl Ann to Taylor, Frances Anne
- Taylor, Frances Anne to Taylor, Jane Clare
- Taylor, Jane Elizabeth to Taylor, Margaret
- Taylor, Margaret to Taylor, Richard
- Taylor, Richard to Taylor, Walter
- Taylor, Walter to Teale, Victoria
- Teano, Comte di (Philippe) to Teijo, María Victoria
- Teissier, Alexis to Tempest, John
- Tempest, John to Temple, Katherine
- Temple, Louisa to Templer, William
- Templeton, 1st Viscount (John Henry) to Tennant, Francis Michael
- Tennant, Gabrielle Mary to Tenny, Samuel
- Tennyson d'Eyncourt, 2nd Baronet (Gervais) to Terry, Fred
- Terry, Frederick to Teverson, Rosemary Anne
- Teves, Armando to Thakur, Shri Goverdhan
- Thal, Bernard van to Thellusson, William, 3rd Baron Rendlesham
- Thelwall, C. E. to Thetford, William M.
- Thetmoy, Lord of (James) to Thirlestane and Boltoun, 9th Lord (James)
- Thirlestane, Avicia de to Thomas, Daisy
- Thomas, Daniel to Thomas, Helen Ringgold
- Thomas, Henriette Elizabeth Isabella to Thomas, Mary Anne Laetitia
- Thomas, Mary Christian to Thomas, W.
- Thomas, W. to Thompson, Anne
- Thompson, Anne to Thompson, Elizabeth Olive
- Thompson, Elizabeth Sarah to Thompson, Joanna
- Thompson, Joanna Janet Henrietta to Thompson, Nellie
- Thompson, Nellie to Thompson, W. J.
- Thompson, Walter to Thomson, Caroline Georgina
- Thomson, Caroline Louis Speir to Thomson, John Radford
- Thomson, John Robert to Thomson-Brown, Lyla Alta
- Thomson-Moore, Alexandra Louise to Thorne, William Hobart Houghton
- Thorneloe, George to Thornton, Edward Labouchere Ruthven
- Thornton, Eileen Jane to Thornycroft, William
- Thoroczkay de Thoroczko-Szent-Gyorgy, Johan to Thorold, John George, 13th Bt.
- Thorold, John Hayford, 10th Bt. to Thorp, William
- Thorpe, Albert Parsons to Thrift, Shelagh Kathleen
- Thring, Alicia Anne to Throckmorton, Winifred
- Throgmorton, Anne to Thuringe, Wilhelm III von
- Thuringia, Agnes von to Thurn und Taxis, Mathilde von
- Thurn und Taxis, Max Emanuel Maria Albert Paul Isabella Klemens Lamoral Prinz von to Thurstan, Lucy Meriel
- Thurston, Alan to Thynne, Katharine Angela
- Thynne, Katherine to Tichenor, Jonathan
- Tickell, Alexander John to Tillard, Philip Francis
- Tillard, Philip Snow to Timmins, Phoebe
- Timmis, Carol to Tinsley, William Andrew
- Tinti, Alexander Baron von to Tite, William Christopher James
- Titheridge, Edward to Todd, Dorothy
- Todd, Dorothy to Tolcher, Frances Anne
- Tolds, Liddy to Tollemache, Hélène Françoise Marie
- Tollemache, Ina Elaine to Tollemache-Tollemache, Yvonne Dorothy
- Toller, Angela Caroline to Tomkinson, William Robert
- Tomkyns, Alexander to Toner, Roisin
- Toney, Salley to Tooth, Robert Lucas
- Tooth, Roberta Catherine Anne to Torlonia, Vittoria Eugenia Carolina Honor Paola Alexandra Maria
- Tormley, Charlotte Louise to Toscana, Willa di
- Toscane, Boniface III, Marquis de Toscane to Toucas, Élisabeth Marie Joséphine
- Touche, Alexander Thomas Coolidge to Tourond, Marguerite
- Tours, Alex of Innerleith to Towneley, John
- Towneley, John to Townsend, Catherine
- Townsend, Catherine Barry to Townsend, Harry
- Townsend, Helen to Townsend, Mary
- Townsend, Mary to Townsend, William
- Townsend, William Chambers to Townshend, John
- Townshend, John to Tozer, William
- Tozier, Carolyn M. to Trafford, Eleanor Mary
- Trafford, Eleanor Mary Josephine Southwell to Traherne, Onslow Powell
- Trail, Agnes to Traill, William Walter Alan
- Trailly, Walter de to Trauttmansdorff-Weinsberg, Friedrich Karl Graf von und zu
- Trauttmansdorff-Weinsberg, Fürst von und zu (Karl) to Traxler, Winifred Alicia
- Trayes, Amy Grace to Trefusis, Haworth Walter
- Trefusis, Helen Georgina to Trelawny, Mary
- Trelawny, Mary to Trench, Catherine Sabine
- Trench, Chalmers Edward FitzJohn to Trench, Grace
- Trench, Grace Eulalia St. George to Trench, Nadine
- Trench, Nan Dorice to Trenchard, Mary
- Trenchard, Oliver to Trevelyan, Avice
- Trevelyan, Avice to Trevelyan, Matthew Robert
- Trevelyan, Maud to Trevor, Joan Lucy
- Trevor, Joan Rosemary to Trewin, Wallace James
- Trewman, Jane Llewellyn to Triponel, Roland
- Tripp, Amanda to Tritton, Luella Clemency
- Tritton, Luke Charles Henton to Trollope, Henry
- Trollope, Henry to Trotter, Edith Mary
- Trotter, Edward to Troubridge, Violet Elizabeth Emily
- Troughton, Claire Gillian to Truell, William Henry Augustus
- Truelock, George to Trussell, William
- Trussler, (Hon Madam Justice) Marguerite Jean to Tubbs, Stanley, 1st Bt.
- Tuberville, Lucy to Tucker, Eric Donald
- Tucker, Ernest to Tucker, Shelagh V.
- Tucker, Stephanie to Tuff, Timothy Charles
- Tuffin, Ann to Tugwell, William
- Tuhey, Angela Claire to Tullibardine, Master of (John)
- Tullideph, unknown to Tupper, Gaspard Le Marchant
- Tupper, Geoffrey William Henry to Turing, William
- Turkel, Ann to Turner, Allen A. G.
- Turner, Allen George Thornton to Turner, Elizabeth
- Turner, Elizabeth to Turner, Joan Ransome
- Turner, Joanna Elizabeth to Turner, Patricia Ann
- Turner, Patricia Jane to Turner, William D.
- Turner, William George Rhyll to Turton, Mary
- Turton, Mary to Tweedale, Rose
- Tweeddale of Yester, 1st Baron, co. Haddington (William Montagu) to Twentyman-Jones, Leonard Hilton
- Twibill, George to Twisden, John
- Twisden, John to Twisleton-Wykeham-Fiennes, Rupert Yorke
- Twisleton-Wykeham-Fiennes, Shanti Atalanta to Twysden, Thomas
- Twysden, Thomas to Tyler, Kathleen
- Tyler, Kathleen Mary Buller to Tyndale-Biscoe, Yvonne
- Tyndale-Hardy, Charlotte Brittany to Tyrrell of Avon, Baroness (Margaret Ann)
- Tyrrell, 1st Baronet (John) to Tyrwhitt, William
- Tyrwhitt-Drake, Agnes Louisa to Uberacker, Elizabeth
- Ubsdell, E. T. H. to Ullrich, Wolfgang
- Ullstein, Augustus Rupert Patrick Anthony to Underhill, William Henry
- Underwood, Adrian Michael Campbell to United Kingdom, Victoria Melita of the
- United Kingdom, Victoria of the to Upton, Elizabeth
- Upton, Elizabeth to Urgell, Wilfred II
- Uri, Ron to Urquhart, Ruby Louisa
- Urquhart, Ruth Amy to Usher, Neil John William Heriot
- Usher, Olivia to Ussher, Henry
- Ussher, Henry to Ussher, unknown
- Ussher, unknown to Valdemarsson, Valdemar II 'the Victorious', King of Denmark
- Valderrabanos, Marques de (Luis Esteban) to Valle y Lorente, Fernando Alfonso del
- Valle y Spinola, Silvia Angelica Prudenziana Maria Fortunata to Valttila, Mirja
- Valverde, Marta Perez to Vandeleur, Francis
- Vandeleur, Frank Edward to Vandersteck, William
- Vanderstegen, Elizabeth to Vane-Tempest, Penelope Joan
- Vane-Tempest, Peregrine Francis Edmund to Vans Agnew, Patrick Alexander
- Vans Agnew, Patrick Alexander of Barnbarroch and Sheuchan to Vardon, Veronica
- Vardon-Cardy, Alexander Jack to Vaudrey, unknown
- Vaudrey-Barker-Mill, Elizabeth to Vaughan, John
- Vaughan, John to Vaughan-Arbuckle, Mary Madeleine Sophie Frances
- Vaughan-Holberton, Elizabeth Vaughan to Vaux, William de
- Vaux, William Vaux to Vavasour, Thomas William
- Vavasour, unknown to Venables, Douce
- Venables, Elizabeth to Venner, Zenobia Margaret Grenville
- Vennerston, Anna to Vere Nicoll, Zoe Gabrielle
- Vere of Hanworth, 1st Baron (Vere) to Vereker, Elizabeth
- Vereker, Elizabeth to Verity, Ronald Meysey
- Verling, Laura to Verner, Willoughby Cole
- Verner-Taylor, Linda Margaret to Vernon, Alice
- Vernon, Alice to Vernon, James Anthony
- Vernon, James Anthony to Vernon, Vanessa Anne
- Vernon, Vernon to Vervuurt, Stuart Rene
- Vesci of Abbey Leix, 1st Baron de, in Queen's County (John Robert William) to Vesey, Rose Mildred Stewart
- Vesey, Samuel to Vetter, Theodoline
- Vettier, Catherine Marthe to Vicq, unknown
- Victoire, Philippe Anne to Vigors, Victoria Ann
- ViIliers-Stuart, Elizabeth Jane Marian to Villiers, Algernon Richard John
- Villiers, Alice to Villiers, George Dumba
- Villiers, George Edward to Villiers, Sarah Katherine Jane
- Villiers, Sarah Sophia to Vincent, Charles Anthony
- Vincent, Charles Michael Lacey to Vind, Susan Frances
- Vine, Anita Oonah to Visconti, Viridis
- Vise, C. M. to Vivian, Lilian Ursula
- Vivian, Louisa to Vogds, Rebecca
- Voge, Claus Julius to Voshol, van Aerssen Beÿeren van
- Vosper, Amice Hubbach to Vyse, William
- Vyvan, 10th Baronet (Courtenay Bourchier) to Vyvyan, Mary Agnes
- Vyvyan, Mary Caroline to Wachtmeister af Johannishus, Yvonne
- Wachtmeister, Caroline to Wade, Jane
- Wade, Jane Lockwood to Wadsworth, Thomas Wiley
- Waechter de Grimston, Armatrude Bertie Sophia Effie to Wain, Zoë Anne
- Wainewright, Elizabeth to Wake, Edith Caroline
- Wake, Edith Rose Mary to Wake, William, 9th Bt.
- Wake-Jones, Charles to Wakefield, Nora Muriel
- Wakefield, Olivia to Walbanke, William
- Walbanke-Childers, Anna Mildreda to Waldburg zu Zeil und Trauchburg, Maria Eberhard Willibald Konstantin Josef Franz Konrad Graf von
- Waldburg zu Zeil und Trauchburg, Maria Elisabeth Therese Eleonore Walburga Monika Gräfin von to Waldeck und Pyrmont, Prinz zu (Christian-Ludwig)
- Waldeck und Pyrmont, Prinz zu (Clemens) to Waldegrave, Robert Arthur Riversdale
- Waldegrave, Samuel to Waldmar-Browne, Harry
- Waldo, Daniel to Wales, Susanna
- Waleton, Cecily to Walhouse, Wilson
- Walkden, Emily Margaret to Walker, Christine Joanna
- Walker, Christine Mabel to Walker, Geoffrey Herbert
- Walker, Geordie Michael to Walker, John
- Walker, John to Walker, Mildred Brenda
- Walker, Mildred Caroline to Walker, Timothy E.
- Walker, Timothy Edward Hanson to Walkinson, Mary Clifford
- Walky, Mary to Wallace, Emma Beatrice
- Wallace, Emma Lisa to Wallace, Marion Beatrice
- Wallace, Marion Caroline to Wallen, Norah
- Wallenberg Pachaly, Alexander von to Waller, George Robert David
- Waller, George Stanley to Waller, Robin Roux
- Waller, Roger to Wallis, Leonora Kathleen
- Wallis, Logan James to Walmot, William
- Walmsley, Arthur Wyndham to Walpole, Robert Spencer Hobhouse
- Walpole, Robert, 1st Earl of Orford to Walsh, Catherine de Bruce
- Walsh, Catherine Pearl Veronica to Walsh, unknown daughter
- Walsh, unknown daughter to Walter, Hubert
- Walter, Hubert to Walters, Selina Harriette Perotine
- Walters, Simon de Lancey to Walwyn, William
- Walz, Dagmar Sibylla to Warburton, Martin Greeves
- Warburton, Mary to Ward, Bernard Mordaunt
- Ward, Bernard Ralph Henry to Ward, Florence
- Ward, Florence to Ward, John Simeon
- Ward, John Spencer to Ward, Pauline Katharine
- Ward, Peggy Elizabeth Louise to Ward, William Humble David Jeremy, Viscount Ednam
- Ward, William Humble David, 4th Earl of Dudley to Wardell, Serena Mary
- Wardell, Sophie Helen Mary to Wardlaw, William Wardlaw of Pitreavie
- Wardlaw-Ramsay, Anne Charlotte to Warfield, Thomas
- Wargrave, 1st Baron, of Wargrave, co. Berks (Edward Alfred) to Warmington, Susan Mary
- Warmsdorf, Agnes Wilhelmine von to Warner, Thomas
- Warner, Thomas Arthur to Warren, Anne
- Warren, Anne to Warren, Florina Ward
- Warren, Folliott to Warren, Mary Gertrude Helen
- Warren, Mary Isabel to Warren, Winifred Mary
- Warren-Bulkeley, Elizabeth Harriet to Warthill, Helen
- Wartnaby, Ann to Washington, John
- Washington, John to Waterfield, William Garrow
- Waterford, 1st Marquess of (George de la Poer) to Waters, Godfrey Alister
- Waters, Godfrey George to Watkins, Jeremy Christopher
- Watkins, John to Watson, Amanda Virginia Watson
- Watson, Amelia Isobel to Watson, Elizabeth Adams
- Watson, Elizabeth Christian to Watson, Jean
- Watson, Jean Elizabeth Agnes to Watson, Meriel Georgiana
- Watson, Michael Colvin to Watson, unknown
- Watson, unknown to Watt, Perdita
- Watt, Peter to Watts, Herbert Edward
- Watts, Humphrey to Wauchope, Henrietta Mary
- Wauchope, Henrietta Warrender Cecilia to Wawane, Thomas of Stevinston
- Wawne, Elizabeth to Weatherby, Susan Alison
- Weatherhead, Susan Elizabeth to Webb, Eileen
- Webb, Elaine Elizabeth to Webb, William Francis Richmond
- Webb, William Frank Broughton to Webster, Charles Fox
- Webster, Charles Montagu to Wechmar, Maria Barbara
- Wechmar, Maria Karola Hildegard to Wedderburn, Louise Morrison
- Wedderburn, Lucy to Wedgwood, Frances Emma
- Wedgwood, Frances Julia to Weeks, Venetia Daphne
- Weeks, Venetia Daphne Weeks to Weir, James
- Weir, James to Welby, Caroline E.
- Welby, Catherine to Welch, William Lewis
- Welch-Thornton, Henry to Weld-Forester, Venitia
- Weld-Smith, Mita Drinkwater to Weldon, Winifred Edith
- Weldron, Charlotte to Wellesley, Edmond Ernest Charles
- Wellesley, Edmond Ernest Charles to Wellesley-Wesley, Michael St. Maur
- Wellesman, Edith Florence to Wells, Henry Octavius
- Wells, Honor Lake to Wellwood-Moncreiff, William
- Welman, Alex to Wemyss, Anne
- Wemyss, Anne to Wendell, Serena Solitaire
- Wenden, Edith Palin to Wentworth, Mary
- Wentworth, Mary to Wernham, Katharine Anne Rochfort
- Wernher, 1st Baronet (Julius Charles) to West, Alice Moore
- West, Alicia to West, George
- West, George Annesley to West, Ollie McKinney
- West, Owen to Westarp, Ludwig von
- Westarp, Ludwig von to Westenra, William, 5th/6th Baron Rossmore of Monaghan
- Wester Wemyss, 1st Baron, of Wemyss, co. Fife (Rosslyn Erskine) to Westminster, Richard Grosvenor (see BLGNW
- Westmoreland, David Gray to Weston-super-Mare, 1st Baron (Albert Victor)
- Westover, Phebe to Westropp, Henrietta
- Westropp, Henrietta Jane Stacpoole to Westropp, unknown daughter
- Westropp, unknown daughter to Wettin, Christian I
- Wettin, Christian Wilhelm to Weymouth, Viscountess of (Louisa)
- Whaddon of Whaddon, 1st Baron, co. Bucks (George) to Whartonn, James Charles
- What, Chloe to Wheeler, Betty Lydia
- Wheeler, Beverly Rose to Wheeler, Winifred
- Wheeler-Bennett, Clement Wheeler to Wheler, Winifrede Margaret
- Whelly, Deborah to Whitaker, Edith
- Whitaker, Edith Smith to Whitbread, Samuel David
- Whitbread, Samuel Howard to White, Caroline Marguerite
- White, Caroline Mary Harper to White, Frances Claire
- White, Frances Gertrude to White, John
- White, John to White, Mary Euphemia
- White, Mary Georgina to White, Selina Taylor White
- White, Serena to Whitefoord, Diana Mary
- Whitefoord, Elizabeth to Whitehead, Patricia Isobel
- Whitehead, Paul to Whiteman, Rosa
- Whitemore, Cecilia Winifred to Whiting, Yvonne Heather
- Whitinge, Agnes to Whitmore, Janet
- Whitmore, Janetta to Whitshed, William
- Whitsitt, A. F. to Whittington-Moë, Mary Caroline
- Whittle, Andrea to Whorwood, Mary
- Whorwood, Mary to Wickens, Philadelphia
- Wicker, John to Widgery, Sheila
- Widiner, Brett Stephen to Wiemann, Nicola Bowery
- Wiemer, Gabriele to Wiggin, James George
- Wiggin, Jennifer to Wigram, Anne Whitaker
- Wigram, Anthony Beresford to Wigram, Mary
- Wigram, Mary to Wilberfoss, John
- Wilberg, Sverre to Wild, Madeleine Christina Audrey
- Wild, Margery Nina to Wildridge, Olivia
- Wilds, Daniel Benjamin to Wilkins, George
- Wilkins, George to Wilkinson, Jeremiah
- Wilkinson, Jessica to Willams, Henry Harcourt
- Willan, Alfred Shepherd to William, William fitz fitz Gerald
- William, William Wyn ap John ap to Williams, Augusta
- Williams, Aurea Mary Josephine to Williams, Dorian Joseph George
- Williams, Doris to Williams, Flavia Elizabeth Ruth
- Williams, Flora Alice to Williams, Irene
- Williams, Irene to Williams, Laura Anne
- Williams, Laura Annesley to Williams, Michael
- Williams, Michael to Williams, Roland Edmund Lomax Vaughan
- Williams, Roland Lomax Bowdler Vaughan to Williams, Victoria Mary
- Williams, Vincent to Williams-Freeman, William Peere
- Williams-Jones, Sarah Eurwen to Williamson, Fergus
- Williamson, Florence to Williamson, Yu Yu
- Willich, Ludwig gennant von Pöllnitz to Willis, Clare
- Willis, Constance Gertrude to Willner, Josephine Franziska Anna Maria Eva
- Willock, A. J. to Willoughby, Isabel
- Willoughby, J P to Wills, Edward Hamilton
- Wills, Edward Henry Arnold to Wills, Victor Patrick Hamilton
- Wills, Victoria Katherine to Wilmot, Joan
- Wilmot, John to Wilson, Agnes
- Wilson, Agnes to Wilson, Cecil
- Wilson, Cecil to Wilson, Elizabeth
- Wilson, Elizabeth to Wilson, Harry William Patrick
- Wilson, Harry William Pigott to Wilson, John
- Wilson, John to Wilson, Margaret Rose
- Wilson, Margaret Walker to Wilson, Peggy Amcotts
- Wilson, Penelope A. to Wilson, Susan Irene
- Wilson, Susan June to Wilson-Quintal, Susan Janette
- Wilson-Stephens, Alice to Winchester, William
- Winchilsea, 10th Earl of (George William) to Windisch-Grätz, Hugo Veriand Prinz zu
- Windisch-Grätz, Hugo Vincenz Alexander Maria Fürst zu to Windsor, David
- Windsor, Davina Elizabeth Alice Benedikte to Windsor-Lewis, James Charles
- Windsor-Richards, Clive Walter Edwin to Wingfield, John Digby
- Wingfield, John George Owen to Winlaw, Victoria
- Winlowe, Margaret to Winnington-Ingram, Charles Alexander
- Winnington-Ingram, Charles Alfred to Winspeare Guicciardi, Vittorio
- Winspeare, Antonio to Winthrop, Stephen
- Winthrop, Stephen to Wise, Mildred Hester
- Wise, Nellie to Wisenberg, Marilis
- Wishall, Alice to Withstandley, Mildred
- Withy, Christian Dottin to Wittelsbach, Wolfgang Rupprecht Maria Theodore
- Wittelsbach-Bayern, Richarde von to Wodehouse, Eleanor
- Wodehouse, Eleanor Charlotte to Wodehouse, unknown daughter
- Wodehouse, unknown daughter to Wolfenden, Thomas
- Wolfers, Claudia A. to Wolfson, Susan E.
- Wolfstein, Albrecht Freidrich Graf von to Wolseley, Anne
- Wolseley, Anne to Wolseley, Robert
- Wolseley, Robert Benjamin to Wombwell, William
- Womersley, Alice to Wood, Adelaide Marianne
- Wood, Adeline Esther to Wood, David
- Wood, David to Wood, George Eric
- Wood, George Horsley to Wood, Joseph
- Wood, Joseph to Wood, Nina Marie Western
- Wood, Nina Stewart to Wood, Waveney Patricia Western
- Wood, Wendy Alison to Woodd, William James Tilson
- Woodeson, Ben Charles to Woodhouse, William Henry
- Woodin, Christine Ann to Woods, Gillian Mavis
- Woods, Guy Robert William to Woodward, Henry T.
- Woodward, Henry Teynham to Woollaston, unknown
- Woollat, Elizabeth to Wooster, William
- Wooten, Gail Elizabeth to Wordsworth, William
- Wordsworth, William to Worsfold, Violet Irene
- Worship, Alice Elizabeth to Worsley, Thomas Robinson
- Worsley, Thomas, 6th Bt. to Wortley-Montagu, Mary, Baroness Mount Stuart of Wortley
- Wortman, Brett Michael to Wray, John, Bt.
- Wray, Kate Frances to Wrey, Ellen Maria
- Wrey, Ellen Maria to Wright, Charlotte May
- Wright, Charlotte Rudolphine Louise to Wright, Henrietta Doreen
- Wright, Henrietta Elizabeth to Wright, Margaret Louisa
- Wright, Margaret Patricia to Wright, Sheena Elizabeth
- Wright, Sidney to Wrightson, William John
- Wrigley, A. E. to Wrottesley, Georgina Anne
- Wrottesley, Harriet to Wuthenau-Hohenthurm, Gonzalo von
- Wuthenau-Hohenthurm, Guadalupe von to Wyck, Reina Jeanne Woltera van der
- Wyckliff, Agnes to Wylde, William P. O.
- Wylee, Margaret to Wyndham, Charles John
- Wyndham, Charles Wadham to Wyndham, William Frederick
- Wyndham, William G. to Wynn-Williams, Virginia Mary
- Wynnatt-Hussey, Henry to Wynne-Finch, William Heneage
- Wynne-Jones, Baron, of Abergele in the County of Denbighshire (William Francis Kenrick) to Württemberg, Eberhard IV Graf von
- Württemberg, Eberhard IV Graf von to Württemberg, Wilhelmine Herzogin von
- Württemberg-Bernstadt, Christian Ulric I Herzog von to Yarburgh-Bateson, Violet Blanche de
- Yard, Elizabeth to Yates, Edith Katherine
- Yates, Edith Katherine to Yeats-Brown, Victor
- Yeaveley, William de to Yeomans, William
- Yeoward, Caroline Mary to Yockney, Winifred Emily
- Yoe, Constance Mary to Yorke, Daphne Elizabeth
- Yorke, David Christopher to Yorke, Victoria Mary Verenia Braganca
- Yorke, Vincent James to Young, Bernice Viola Juanita
- Young, Bert to Young, Eleanor
- Young, Eleanor to Young, Helena Charlotte
- Young, Helena Valerie to Young, June Lifford
- Young, June Moonyeen to Young, Michelle Lynn
- Young, Michelle Suzanne to Young, Thomas
- Young, Thomas to Younger, George
- Younger, George Kenneth Hotson, 4th Viscount Younger of Leckie to Yourievsky, Georgii Aleksandrovich, Prince Yourievsky
- Yourievskya, Ekaterina to Yuill, Winnifreda
- Yuille, Alan to Zanders, Tatjana
- Zandt, Elizabeth von to Zehnder, Susan
- Zehringen, Bertolf IV Herzog von to Zielen, Josef
- Zielenkiewicz, Catherine to Zohrab, unknown
- Zoite, Berta to Zuckerman, Solly, Baron Zuckerman
- Zuil, Jane to Zähringen, Philip II
- Zähringen, Rudolf Hesso to Österreich, Erzherzog von (Alexander)
- Österreich, Erzherzog von (Andras Francesco) to Österreich, Erzherzogin von (Elizabeth Franziska Maria)
- Österreich, Erzherzogin von (Ernst) to Österreich, Heinrich Karl Maria Erzherzog von
- Österreich, Heinrich von to Österreich, Maria Leopoldine Erzherzogin von
- Österreich, Maria Leopoldine Josepha Caroline to Österreich-Este, Maximilion Joseph Erzherzog von
- Østerberg, Alys Mary to Østerberg, Vanessa April Mary




