dna next to a surname below indicates it has been registered with the DNA linking service
and the researcher is keen to find bearers of the same surname to join a DNA project.
ons next to a user below means the user has registered a one-name study of a surname
with the Guild of One-Names Studies.
| Surname | Timeframe | Place | Researcher |
|---|---|---|---|
| CABBELL | 1803 | Sandford on Thames; Eynsham | Philip Ward |
| CABELL | 1850-1940 | Grimsbury, Banbury | Deb Stimpson |
| CADD | Any | hillesden , Fringeford | Barbara Andrew |
| CADEL | 19c | Oxford | Judith Thomas |
| CADLE | <1750 | Faringdon | Fiona Hedges |
| CAKEBREAD | >1600 | Any | Dennis Cakebread |
| CAKEBREAD | Any | Any | Ian Charles Cakebread |
| CAKEBREAD | 1350-1752 | Any | Ray Cakebread |
| CAKEBREAD | 1650 - 1870 | Bodicote, Sibford Gower, Adderbury, Bloxham | Janet Wimbleton |
| CAKEBREAD | Any | Any | William Birchall |
| CALCOTE | any | any | Amanda Calcote |
| CALCOTT | 1775-1800 | Deddington | Donna Lonon |
| CALCOTT | Any | Any | Beryl Schumer |
| CALCOTT | 1820 - 1848 | Churchill | Ms M Tiller |
| CALCOTT | Any | Swalcliffe | Charles White |
| CALCUTT | 1820 - 1920 | Chipping Norton | O Frame |
| CALCUTT | 1800-1839 | Woolvercott | Pam Golding |
| CALCUTT | <1881 | Deddington/Barford/ | John Lord |
| CALCUTT | Any | Northleigh | Jill Salt |
| CALCUTT | Any | Any | Beryl Schumer |
| CALCUTT | 1820 - 1848 | Churchill | Ms M Tiller |
| CALCUTT | Any | Cogges, Stanton Harcourt | David Wright |
| CALCUTT | <1789 | Stanton Harcourt | Patrick Inwood |
| CALCUTT | <1900 | North Leigh | Caroline Johnston |
| CALCUTT | Any | Witney | Patrick Inwood |
| CALCUTT | 1700-1850 | Combe, Stonesfield | Judy Priest |
| CALCUTT | <1850 | North Leigh, Stanton Harcourt, Tubney | Peter Caulkett |
| CALCUTT | Any | Witney | Gordon Parker |
| CALEB | 1855; | Thane ?Brile ? | June Dade |
| CALLADINE | >1700 | Any | Shannon Calladine |
| CALLADINE | Any | Abingdon, Sutton Wick, East & West Hanney | Mary Wilson |
| CALLIS | 1850-1920 | Henley on Thames | Jim Callis |
| CALLOW | 1780-1880 | BANBURY | D. Smith |
| CALLOW | Any | Any | Paul Landon |
| CALTHORPE | c. circa 1585 | any | Catherine Correll-Walls |
| CALVER | 1850-1997 | Steeple Aston | Rodney Calver |
| CAMBDEN | 17c | North Leigh | Penny Eves |
| CAMBRAEY | <1722 | Any | Elizabeth Adams |
| CAMBRAY | <1722 | Any | Elizabeth Adams |
| CAMDEN | 17c | North Leigh | Penny Eves |
| CAMPDEN | 1927 | Wallingford | Brian Stevens |
| CAMPION | >1535 | South Newington | Sue Holmes |
| CAMPION | <1900 | Marcham | D Peasey |
| CANNON | mid 17c | Ickford | Doug Cannon |
| CANNON | 1600-1800 | headington | Steve Cannon |
| CANTELL | >1800 | Witney | Grace Abrahams |
| CANTWELL | Any | Marston, Any | Stephen Saffin |
| CAPEL | Any | cumnor | Sally Donovan |
| CAPEL | 1750 | North Hinksey, Oxford | Pat Jeffery |
| CAPEL | Any | Any | Sally Ford |
| CAPES | <1640 | Any | Steven Capes |
| CAPP | 1750 -1850 | St Clements | Bernice Abrahall |
| CARDEL | 18c | Brightwell Baldwin, Great Milton | Vicki Perry |
| CAREDINE | Any | Abingdon and surrounding areas | Mary Wilson |
| CARLETON | Any | Any | Kathleen Hollister |
| CARLOSS | 18c-19c | Any | Anne Ramon |
| CARPENTER | 1350-1650 | Horley Wroxton Oxford | Bruce E. Carpenter |
| CARPENTER | 1500-1638 | Culham | Bruce E. Carpenter |
| CARPENTER | 1700 - 1999 | North Leigh, Summertown, City Centre | Carpenter |
| CARPENTER | <1842 | Thame, Lewknor, Haseley | Jill Carpenter |
| CARPENTER | 1800 - 1999 | Watlington | Ro Grundon |
| CARPENTER | <1881 | Hardwick, Witney | Chris Hollins |
| CARPENTER | 1750-1800 | Shipton under Wychwood | Joyce Lark |
| CARPENTER | 1780 | Banbury | Jean Lees |
| CARPENTER | 1600 -1920 | Stratton Audley, Banbury, Charlbury | John Mumford |
| CARPENTER | 1700-1800 | CHARLBURY | Ron Silverback |
| CARPENTER | 1800 | Oxford City, Kidlington | Vic Styles |
| CARPENTER | 1800-1860 | Banbury | Charles White |
| CARPENTER | <1693 | Bampton | Patrick Inwood |
| CARPENTER | Any | Bampton | Carolyn Ramsbottom |
| CARPENTER | <1810 | Charlbury | David Kench |
| CARPENTER | <1850 | Charlbury | Charlotte Carpenter |
| CARR | 1826 | St Giles | Marion |
| CARRICK | >1800 | Oxford | Yvonne Duffield |
| CARSON | late 1800-early 1900 | Witney, Hailey | Tami Quiring |
| CARTER | <1900 | Oxord in general | Nicola Apperley |
| CARTER | >1800 | Bampton | Penny Atkinson |
| CARTER | 1500-1700 | Claydon | Mavis Bassett |
| CARTER | <1860 | Marsh Baldon, Toot Baldon | Lesley Baston |
| CARTER | 1850-1920 | Henley-on-Thames | Marian Day |
| CARTER | Any | Bampton | Roberta Donnan |
| CARTER | >1920 | Cowley | Stuart Gray |
| CARTER | >1895> | Dorcherster | Sandra Moss |
| CARTER | 19c | Dorchester | Lesley Newman |
| CARTER | >19c | Toot Baldon | Lesley Newman |
| CARTER | late 1700s | Upper Heyford | Dan Osborne |
| CARTER | >1820 | Marsh Baldon, Toot Baldon, Henley-on-Thames | Janeen Peacey |
| CARTER | >1850 | Sutton Courtenay, Abingdon, Cumnor. | Christine Recker |
| CARTER | 1950-1953 | reading | Estela Revuelta |
| CARTER | 1750-1840 | Wroxton | Penny Sault |
| CARTER | <1730 | Witney | Lesley Silvester |
| CARTER | >1700 | Any | Pam Thornton |
| CARTER | 1800-1900 | Bloxham, Banbury | Lorraine Gail Webster |
| CARTER | 1640 - 1683 | Aston, Bampton | Richard Welch |
| CARTER | 1750 - 1875 | WROXTON | Janet M. Woods |
| CARTER | <1850 | Watlington | Sally Malone |
| CARTER | 1700-1900 | Wardington | Stephanie Barron |
| CARTER | <1820 | Cowley | Robert Holt |
| CARTER | <1840 | Wroxton | Judy Evans |
| CARTER | <1777 | Abingdon | Katie Sullivan |
| CARTER | Any | Watlington | Carol Loveday |
| CARTER | 18c | Sunningwell | Barbara Cox |
| CARTER | 1800 - 1890 | Oxford | Debbie Chambers |
| CARTER | 1770-1930 | South Hinksey/Oxford | Jennifer Robbie |
| CARTER | Any | Watlington | Carol Loveday |
| CARTHEW | Any | Any | Pamela Forster |
| CARTWRIGHT | Any | Bicester | Susan Grant |
| CARTWRIGHT | around 1681 | I don't know she married a Alexender Berryhill | De De Long |
| CARTWRIGHT | Any | Bloxham, Adderbury areas | Maurice Woodward |
| CARTWRIGHT-PITTS | 1905 | BICESTER | Mike Middleton |
| CARVEY | Any | Northmoor | Gerry Bolton |
| CARWOOD | 1700-1900 | Chesterton | Barbara Crook |
| CASBEARD | Any | Drayton St Leonard, Blewbury | Laura Wilkinson |
| CASBROOKE | 1700-1800's | Chesterton | Vincent Giles |
| CASEY | >1700 | Clifton Hampden | Jayne Casey |
| CASEY | 18 & 19c | Clifton Hampden | Kelley Videbeck |
| CASEY | <1750 | Mixbury | Mary Taylor |
| CASRLE | <1900 | Bicester | James Hill |
| CASSELL | Any | Chastleton | Jo Tanner |
| CASSIDY | Any | Witney | Ted Cassidy |
| CASTELL | 1800 | Islip | Lynn Clarke Ahrens |
| CASTELL | 1650 - 1850 | Burford | Paul Chavasse |
| CASTELL | 1800s | Noke, Islip | Eleanor Collins |
| CASTELL | 19c | Islip | Judith Palmer |
| CASTLE | 1800 | Islip | Lynn Clarke Ahrens |
| CASTLE | 1800 | Sanford | Mary Anne Britnell |
| CASTLE | <19c | Cogges | June Castle |
| CASTLE | 1650 - 1850 | Burford | Paul Chavasse |
| CASTLE | 1613-1635 | unknown | Nancy Castle Eggleston |
| CASTLE | Any | Brize Norton, Bampton | Carol Fitzgerald |
| CASTLE | b 1824-5 | Oxford | Susana Frushour |
| CASTLE | >1800 | Burford | Diana M. Wakefield Hawkins |
| CASTLE | 1870-1920 | Bicester | Pam Hendy |
| CASTLE | 19c | Glympton | Stuart McIntosh |
| CASTLE | Any | Any | Debbie Miles |
| CASTLE | | Sandford on Thames |
Debbie Miles
| |
| CASTLE | 1800 - 1900 | Chipping Norton/Churchill | Marie Nimmo |
| CASTLE | 19c | Islip | Judith Palmer |
| CASTLE | 1750-1850 | Oxford | Gail Pearce |
| CASTLE | 1800 - 1840 | Oxford? | Gail Pearce |
| CASTLE | <1764 | Barford St.John | Kerrie Rafter |
| CASTLE | Any | Any | Yoga-Prakash Saraswati |
| CASTLE | Earl 1800's | Oxford | L Whittinger |
| CASTLE | 17c | Deddington | Penny Eves |
| CASTLE | <1730 | Wootton | Celia Charlton |
| CASTLE | 16-17c | Shipton | John Moore |
| CASTLE | <1890 | Any | John Cramer |
| CASTLE | <1790 | Duns Tew | Vicky Ford |
| CASTLE | Any | Glympton | Stuart McIntosh |
| CASTLE | Any | Adderbury | Dawn Riddiford |
| CASTLE | 1600-1650 | Lyneham | John Shelley |
| CASTLE | 1880 | Deddington | Julie Castle |
| CASTLE | c1820 | North Stoke | Carolyn Nimmo |
| CASTLE | Any | Ducklington | Gordon Parker |
| CATCH | any | Banbury / Bloxham area | Mick Hayward |
| CATERER | at latest 1800-1870 | Watlington | Hannah Bellamy |
| CATERER | 11/3/2000 | Any | Geoffrey W. Caterer |
| CATERER | 1800-1860 | Rotherfield, Peppard | Carol Coomber |
| CATERER | 1800 | Henly | Susan Felton |
| CATERER | 1750-1900 | Watlington/Wheatfield/Christmas Common | Augusta Markle |
| CATERER | <1850 | Watlington | Margaret Hawkings |
| CATHARINE | >1790 | Oxford | Alan Catherine |
| CATHERINE | >1790 | Oxford | Alan Catherine |
| CATO | Any | Benson | Jim Cato |
| CATO | 19c | Kirtlington | Ken Wheeler |
| CATTELL | >1670 | Any | Valerie Knights |
| CATTON | 1880-1920 | Watlington | Stephen Alun Catton |
| CATTON | 1820-1870 | Chipping Norton | Stephen Alun Catton |
| CAUDELL | 1830 to 1900 | Any | Martin Caudell |
| CAUDWELL | 1750-1900 | Any | Rémi Caudwell |
| CAULKETT | <1841 | North Leigh, Stanton Harcourt, Tubney | Peter Caulkett |
| CAVE | 1800-1900 | Shenington | Paul Cave |
| CAVE | Any | Any | Freda Storrar |
| CAVEY | Any | Any | Colin Stevenson ons |
| CAVIE | Any | Any | Colin Stevenson ons |
| CAWDELL | <1750 | Faringdon | Fiona Hedges |
| CECIL | 1800 | deddington - eynsham | Margaret Holland |
| CECIL | 1680-1780 | Any | Lisa Musick |
| CELSTON | <1850 | Eynsham, Bladon, Oxford, Blackthorn, Ambrosden, Piddington | Madeleine Harvey ons |
| CEREY | 1685 | Oxford City | Linda Buckingham |
| CHABON | 1750 - 1800 | Any | Kenneth Philip Louch |
| CHADBAND | 1700-1850 | Any | Mick Cooper |
| CHADBON | <1808 | Enstone | Michelle Chadbon |
| CHAFFIN | not sure | not sure | Rick Maberry |
| CHAIR | early 1800 | ??? | Noeline Dray |
| CHALK | Any | Any | Nigel Chalk |
| CHALLEN | 1960 | East Hendred | David Barton |
| CHAMBERLAIN | <1600 | Shirburn | Paul Chambers |
| CHAMBERLAIN | <1907 | Wallingford, Oxford | Carolyn Corcoran |
| CHAMBERLAIN | >1850 | Henley, Rotherfield Greys | Sarah Day |
| CHAMBERLAIN | 19c | Benson | Kate Fearn |
| CHAMBERLAIN | 1800 | Any | Margaret Russell |
| CHAMBERLAINE | <1600 | Shirburn | Paul Chambers |
| CHAMBERS | 1700 - 1900 | Long Wittenham | Pauline Powell |
| CHAMP | any | Sulham/Whitchurch/Pangbourne | Eirwen Ashley |
| CHAMP | 1800-1900 | Stadhampton Parish Churchyard | Raymond Champ |
| CHAMP | 1861 | Stadhampton | Beth A. Peck |
| CHAMP | Any | Any | Lewis Sale |
| CHAMPION | 18c | Ewelme,Stokenchurch | Peggy Harrison |
| CHAMPION | >1700 | Any | Pam Thornton |
| CHANDLER | 1813 | Reading | Ann Simon |
| CHANDLER | <1700 | Oxford | Beverly Walker |
| CHANDLER | c.1800 | Caversham | Sandra Shepherd |
| CHAPMAN | Any | Any | Robert N. Barnes |
| CHAPMAN | 1800 - 1999 | Any | Felicity Crabb |
| CHAPMAN | Any | Wheatfield, Adwell, South Weston, Hethe, Aston Rowant, Lewknor | Lynn Eldridge |
| CHAPMAN | 1760-1900 | Stoke Row, Goring Heath, Whitchurch, Bradford | Georgina |
| CHAPMAN | 1830-1900 | Norton | Barb Knight |
| CHAPMAN | 1755 | Rotherfield Grey | John Moodie |
| CHAPMAN | 18c & 19c | Charlbury, Dyer's Hill | Carol Mayo |
| CHAPMAN | Any | Faringdon, Oxford, Headington | Sandy Mursell |
| CHAPMAN | Any | Towersey | Margaret East |
| CHARLES | Present | Stonewalls, Church Lane, Hanwell, Nr. Banberry | Robert Blase |
| CHARLES | b 1824-5 | Oxford | Susana Frushour |
| CHARLES | 19c | Banbury | Frances Powis |
| CHARLES | 1831 | Any | Lois Russell |
| CHARLETT | Any | Beckley, Yarnton | Paul Sadler |
| CHARLTON | 1800s | Oxford | Alison Gossler |
| CHARLTON | 1800 - 1900 | Oxford, Woodstock | Alison Gossler |
| CHARLWOOD | 1830 | old woodstock | David Bird |
| CHASE | 1780 - 1860 | Bix and Henley | Joan Henstock |
| CHATER | 1795 | Deddington | Donna Lonon |
| CHATER | 1750-1850 | Wigginton | Donna Lonon |
| CHATER | Any | Any | Wendy B. Partner |
| CHATTBAND | 1700-1850 | Any | Mick Cooper |
| CHATTERWAY | Any | Any | Patricia O'Boyle |
| CHATTERWAY | 1700s | Coventry, Shipston-on -Stour, | Patricia O'Boyle |
| CHAUNDRY | Any | Oxford | Graeme Berry |
| CHAUNDY | Any | Any | Sue Chaundy |
| CHAUNDY | 1550-1900 | Ascott Under Wychwood | Chris Wake |
| CHAUNDY | Any | Any | Andrea Cogan |
| CHAVASSE | 1650 - 1850 | Burford | Paul Chavasse |
| CHAVASSE | 1700-1800 | Burford | Jan Harris |
| CHEADLE | 1699 and earlier | Pomfret Castle Area | Sally Furuiye |
| CHECKLEY | Any | Duns Tew, Churchill, Shipton under Wychwood, Milton | Stephen Nichols |
| CHECKLEY | <1863 | Steeple Barton, Lower Heyford | Sylvia Checkley |
| CHEER | Any | Any | Yoga-Prakash Saraswati |
| CHEER | Any | Charlbury area | Raymond Hayward |
| CHEESE | >1800 | Bicester | Lauren Gessler |
| CHELTON | >1760 | Any | Bev Pease |
| CHENEY | >1670 | Toot Baldon, Marsh Baldon | Eunice Cubbage |
| CHENEY | 1800 - 1839 | Any | Nanette Perry |
| CHENNELL | 1537-1777 | Oxford, Holywell | Christine Firth |
| CHERRILL | >1800 | Dorchester | Graham Rolls |
| CHERRY | Any | Stratton Audley | Paul Bolchover |
| CHERRY | Any | Any | Danny Bull |
| CHERRY | Any | Wheatfield, Adwell, South Weston, Hethe, Aston Rowant, Lewknor | Lynn Eldridge |
| CHERRY | Any | Thame | Cate Helyar |
| CHERRY | 1850 TO 1910 | Any | Charles Henry Johnson |
| CHERRY | 1850 TO 1910 | Any | Charles Henry Johnson |
| CHERRY | 1800 - 1900 | Wardington | Helen Johnson |
| CHERRY | 19c | Not sure | Jonesib |
| CHERRY | >1780 | Marcham | Marlene Papineau |
| CHERRY | 1700-1900 | Wheatfield | Ann Ferriss |
| CHERRY | Any | Cropredy | Christine Wells |
| CHESLEY | Any | Any | Scott Chesley |
| CHESSALL | 16-17c | Bix | John Moore |
| CHESTER | 1800-1860 | Oxford | Ros Gurney |
| CHESTER | 1800-1900 | Thame | Rita Rainbird |
| CHESTERMAN | 1800-1852 | Abingdon | Gerald Chesterman |
| CHESTERMAN | >1852 | Northmoor & Oxford | Elaine Davis |
| CHESTERMAN | 1790-1849 | Fullbrook, Burford | Joni Macfadden |
| CHETWIN | 1860-1870 | Oxford | Richard Lomas |
| CHILD | 1830s | Henley-on-Thames | Gary Colquhoun |
| CHILD | 17c | Yattendon | Gary Colquhoun |
| CHILD | 1928 | Any | David McLaughlin |
| CHILDREN | 1800 to 1900 | WITNEY / ABINGDON | Peter Richard Hemmings |
| CHILDS | 1850-1965 | Headington, Oxford | Steve Childs |
| CHILTON | >1760 | Any | Bev Pease |
| CHILTON | Any | Banbury | Mark Bletchly |
| CHILVERS | 1820-1881 | Shiplake, Nettlebed, Rotherfield Peppard | Phil Matthews |
| CHILVERS | 1820-1881 | Shiplake, Nettlebed, Rotherfield Peppard | Phil Matthews |
| CHIMES | 1600/1800 | Cottisford area | Don Mark Gilham |
| CHINNER | 1800 | North Aston | Louise Vickers |
| CHIPPEWA | >1700 | Any | Donna Chippewa |
| CHIPPINGTON | Any | Any | Paul Landon |
| CHISNELL | <1750 | Any | Judy Mellowes |
| CHIVERS | <1800 | Ducklington | David Nutt |
| CHOWN | Any | Sydenham & Thame | Richard Chown |
| CHOWN | Any | Aston Rowant, Sydenham, Thame | Liz Chown Gadd |
| CHOWN | >1800 | Any | Rosemary Hicks |
| CHOWN | Any | Aston Rowant, Sydenham, Crowell area | Carol Boman |
| CHOWNS | Any | Thame and surrounds | Ron Chowns |
| CHOWNS | Any | Sydenham, Aston Rowant, Thame | Liz Chown Gadd |
| CHRISTOPHER | 1750-1840 | Wroxton | Penny Sault |
| CHRISTOPHER | 1750 - 1875 | WROXTON | Janet M. Woods |
| CHRISTOPHER | 1640 1690 | Any | David Christopher |
| CHRISTOU | >1980 | Thame | Richard Christou |
| CHRYSTALL | 1830-1884 | Any | Bobby |
| CHURCH | 1740 | unkown | Randy G. Church |
| CHURCH | 1800s | Postcombe/Lewknor | Marion Coombs |
| CHURCH | any | any | Chrissie Cox |
| CHURCH | Any | Wallingford | Gill Firmin |
| CHURCH | 1800 | Stoke Talmage | Nancy Myles |
| CHURCH | Any | Stoke Talmage | Nancy Myles |
| CHURCH | c1754 | Weald | Weald OPS |
| CHURCH | <1680 | Stanford in the Vale | Fiona Hedges |
| CHURCH | 17c | Lyford area | Barbara Cox |
| CHURCHILL | <1800 | Deddington | Elaine Ward |
| CHURCHILL | 1750 - 1850 | Salford | Betty Riley |
| CIRBY | <1789 | Chadlington | Maureen J. Cook |
| CLACK | >1750 | Bampton | Jill Brill |
| CLACK | >1800 | Bampton | Raymond East |
| CLACK | <1800 | Shilton, Clanfield | Raymond East |
| CLACK | 1700 - 1811 | Filkins, Kencot, Broadwell, Shilton | Maureen Edden |
| CLACK | <1820 | Hardwick | Chris Etheridge |
| CLACK | Late 19th, early 20th century | Coleshill | Fredrick J. Kull |
| CLACK | <1980 | Any | Kathleen Luker |
| CLACK | c.1819-1900 | Minster Lovell | Eileen Shaw |
| CLACK | 1700-1760 | Enstone | Lesley Silvester |
| CLACK | 1650-1750 | Clanfield | Lesley Silvester |
| CLACK | | Blackbourton |
Carole Todd
| |
| CLACK | 1800's | Burford/Witney | Robert Wilks |
| CLACK | Any | Bampton | Gary Jakeman |
| CLACK | <1745 | Bampton - Chimney | Fiona Hedges |
| CLAIR | November 24, 1865 | Any | Kathryn Crawford |
| CLANDFIELD | 1791 | Fyfield | Shelagh Staines |
| CLANFIELD | >1600 | Clifton Hampden | Carolyn Bois |
| CLANFIELD | Any | Any | Gary Edward Clanfield |
| CLANFIELD | Any | Any | Gregory Clanfield |
| CLANFIELD | <1700 | Santon Harcourt | Colin Gooch |
| CLANFIELD | Any | Cuddesdon | Olav den Ouden |
| CLAPTON | 1800-1852 | Lyneham | Lyn Hampel |
| CLAPTON | 1852 | Any | Susan Wrigglesworth |
| CLAPTON | Any | Oxford | Paul Landon |
| CLAPTON | > 1850 | Oxford | Paul Landon |
| CLARE | Any | Any | Marcus Howe |
| CLARE | 19c | Stonesfield | Trevor Beal |
| CLAREDGE | 1500-1600 | Great Bourton, Cropredy | Ryan Dudley |
| CLARGO | Any | Any | Terry Stallard |
| CLARIDGE | Any | Finstock, Witney, Charlbury | Donna Brando |
| CLARIDGE | Unknown | Cowley | Robert Claridge |
| CLARIDGE | abt 1840 | Great Bourton | Paula Dean Runne |
| CLARIDGE | 1842 | Great Bourton | Paula Dean Runne |
| CLARIDGE | 1760 - 1820 | Woodstock | Mrs S Shade |
| CLARIDGE | >1750 | Begbroke, Kidlington, Woodstock | Mrs S Shade |
| CLARIDGE | 1800 | Bicester | Louise Vickers |
| CLARIDGE | 1700-1900 | Grimsbury, Banbury | Stephanie Barron |
| CLARIDGE | >1800 | Any | Nadine Calder |
| CLARIDGE | c.1800-1940 | Eynsham area | Catriona Manners |
| CLARIDGE | Any | Any | Margaret Alderson |
| CLARIDGE | 1700-1850 | Witney | Todd Dallimore |
| CLARK | 1750 - 1850 | Duns Tew, Steeple Barton, Banbury | Colin Clarke |
| CLARK | 19th c | Chatlton-on-Otmoor, Beckley | Harold E. Hinds, Jr. |
| CLARK | 1700's | Bampton | Grace Morrow |
| CLARK | 1780-1880 | BANBURY | D. Smith |
| CLARK | Any | South Stoke, Wallingford | James Laurence Tait |
| CLARK | Any | Little Compton | Kate Gartner |
| CLARK | >1750 | Aston | Fiona Hedges |
| CLARK | Any | Coleshill | Kevin Harris |
| CLARK | Any | Henley | Alan R Clark |
| CLARKE | 1800 | Islip | Lynn Clarke Ahrens |
| CLARKE | 1750 - 1790 | Islip | Alan Clarke |
| CLARKE | <1668 | Stonesfield, Great Langley | Maureen J. Cook |
| CLARKE | <1835 | Woodstock and Banbury | Peter Ferguson |
| CLARKE | 1850 | Stratton Audley | John Harris |
| CLARKE | Any | Any | Vanessa Louise Hillsdon |
| CLARKE | 1820-1850 | Banbury & area | Glenna (Clark) Hollyman |
| CLARKE | <1900 | Hook Norton | Helen Johnson |
| CLARKE | 1780 | Littlemore, Iffley | Bill Kelley |
| CLARKE | 1840 | Bolton | Jenny Mackie |
| CLARKE | 1700's | Bampton | Grace Morrow |
| CLARKE | 1600-1700 | Bampton | Andrew Pernecker |
| CLARKE | Circa 1730 | Weston-on-the-Green | Andy Pernecker |
| CLARKE | 1780-1875 | Coombe, Woodstock | Nicholas Raggett |
| CLARKE | c1830 | Any | Ewen Slater |
| CLARKE | 1780-1880 | BANBURY | D. Smith |
| CLARKE | 1768- | Weston-on-the-Green | Nathanael Stock |
| CLARKE | Any | South Stoke, Wallingford | James Laurence Tait |
| CLARKE | <1840 | Westcote Barton | Philip Clarke |
| CLARKE | 18-19c | Witney | John Moore |
| CLARKE | 1800-1818 | Bicester, Little Horwood | Philip Clarke |
| CLARKE | 1780-1900 | Weston on the Green | Ian Clarke |
| CLARKE | c1650 | Rotherfield Peppard | Buddug Hollett (Mrs) |
| CLARKE | <1900 | Any | Sue Powell |
| CLARKE | <1850 | Chipping Norton | Helen Martin |
| CLARREGE | <1900 | Hook Norton | Rosalind Dunning |
| CLARRIDGE | <1900 | Hook Norton | Rosalind Dunning |
| CLAY | 1830 | Little Bourton | William A. Clay |
| CLAY | 1750-1850 | Duns Tew | Mike Horton |
| CLAYDEN | 1750-1800 | Pyrton/Ipsden | Robert Clayton |
| CLAYDON | 1750-1800 | Pyrton/Ipsden | Robert Clayton |
| CLAYDON | Any | Any | Daphne Oosthuizen |
| CLAYDON | Any | Weston-on-the-Green | Robin Price |
| CLAYDON | 1838 | Banns, Great Milton,Oxford | David E. Whitmill |
| CLAYDON | 1750 - 1880 | Banbury | Heather Young |
| CLAYTON | 1750-1800 | Pyrton/Ipsden | Robert Clayton |
| CLEAVER | Any | Any | Geoff Cleaver |
| CLEAVER | 1855 - 1900 | Enstone | Ann-Marie Ell |
| CLEAVER | <1740 | Any | Charles Ford |
| CLEAVER | Early 1700's | Horton or Horley | Charles Ford |
| CLEAVER | 1800's | Broughton, Adderbury | Christine Hill |
| CLEAVER | >1800 | Deddington, Headington | John Morgan |
| CLEAVER | 1800-1900 | Deddington | John Morgan |
| CLEAVER | 1820 - 1848 | Churchill | Ms M Tiller |
| CLEAVER | Any | Oxford | Janet Watts |
| CLEAVER | c.1750s | Any | Diane Melvin |
| CLEEVE | Any | Any | Maureen Jaconetta |
| CLEMENGER | ca 1800 | Adderbury | Gloria Onstad |
| CLEMENS | 1300-1600 | Any | Michael R. Clemens |
| CLEMENT | >1604 | Any | Amy C. Smithson |
| CLEMENTS | 1600-1850 | Henley-on-Thames | Frances Bedford |
| CLEMENTS | Any | Any | Lisa (Clements) Cereghin |
| CLEMENTS | >1901 | Elsfield, Old Marston, Headington | Angie Clements |
| CLEMENTS | 19c | Shiplake, Reading, Henley | Denis Clements |
| CLEMENTS | 1700 AND 1800s | Hailey | Paul Clements |
| CLEMENTS | 1700-1800 | Oxford City, St. Giles | Eleanor Collins |
| CLEMENTS | <1870 | Chadlington | Linda Hauns |
| CLEMENTS | >1901 | Elsfield | Pat Robertson |
| CLEMENTS | 1700-1900 | Hanborough, Leafield, Charlbury | Keith Wiggins |
| CLEMENTS | 18c | Any | Bryan Bowen |
| CLEMINGAR | 1860s and earlier | Adderbury | Gloria Onstad |
| CLEMINGER | 1860s and earlier | Adderbury | Gloria Onstad |
| CLEMINGS | | Adderbury |
Gloria Onstad
| |
| CLEMMONS | Any | Any | Lisa Clemmons |
| CLEMONS | 1885-1910 | Any | Irene Walker |
| CLEMPSON | Any | Witney | Maggie Mattock |
| CLENT | Any | Any | Chris Payne |
| CLERIDGE | 1500-1600 | Great Bourton, Cropredy | Ryan Dudley |
| CLERK | 1700-1800 | Bampton | Grace Morrow |
| CLERK | c1650 | Rotherfield Peppard | Buddug Hollett (Mrs) |
| CLEWS | Any | Oxford | Emma Willson |
| CLIFFORD | >1772 | Any | Gary Bradbury |
| CLIFFORD | 1770-early 1900s | Finmere (and surrounding) | Toni Skidmore |
| CLIFFORD | 19c | Ewelme | Kate Fearn |
| CLIFFORD | Any | Any | Tony Butcher |
| CLIFT | 18C | Chipping Norton, Charlbury | Dave Andrews |
| CLIFTON | <1830-1880 | Adderbury, Milton, Banbury | Cathy Cliff |
| CLIFTON | 1650-1900 | Bloxham, Milton and Adderbury | Paul Clifton |
| CLIFTON | <1700 | Northmoor, Bloxham | Peter Clifton |
| CLIFTON | 1600-1900 | Buckland, Hinton Waldrist, Witney, Curbridge, Northmoor, Stanton Harcourt, Wootton | Heather Grimwood |
| CLIFTON | 1750s | Any | Sue Holmes |
| CLIFTON | 1820's | Gt. Milton | Dennis Johnson |
| CLIFTON | 1700s | Bloxham, Banbury | Sheila Matthews |
| CLIFTON | 1770-early 1900s | Finmere (and surrounding) | Toni Skidmore |
| CLIFTON | 1700 | South Newington | Gary Taylor |
| CLIFTON | 1700 | Banbury | Gary Taylor |
| CLIFTON | 1800-1900 | Bloxham, Banbury | Lorraine Gail Webster |
| CLIFTON | <1729 | Any | Peggy Butcher |
| CLIFTON | <1850 | Bicester | Louise Dallimore |
| CLIFTON | 18c | Bloxham, Banbury | Elizabeth Coyle |
| CLIFTON | 1850-1900 | Any | Margaret Massie |
| CLIFTON | Any | Any | Tony Butcher |
| CLIFTON | 19c | Northmoor | Nikki Eagle |
| CLINCH | 1720 - 1830 | Faringdon and Witney | Craig Carey-Clinch |
| CLINCH | <1722 | Bampton | Patrick Inwood |
| CLINCH | Any | Witney | Patrick Inwood |
| CLINKARD | <1800 | Garsington, Baldons | Min Inness |
| CLINKARD | 19c | Garsington | Lewis D. Hawley McCann |
| CLINKARD | Any | Any | Lois Prout |
| CLINTON | 16c | Broughton | Lawrence Clinton |
| CLISBY | Any | Any | Sue Woods |
| CLISBY | c.1800 | Bix, Rotherfield Greys | Elaine Bishop |
| COATES | Any | BRILL | Fiona Banford |
| COATES | 1855 - 1924 | Headington | Julie Boyle |
| COATES | >1864 | Jericho | Michelle Cross |
| COATES | Any | Any | Joe Connell |
| COBB | <1900 | Oxford in general | Nicola Apperley |
| COBB | Any | DORCHESTER, OXFORD | Nic Apperley |
| COBB | 1700-1900 | Newington, Dorchester | Harry White |
| COBBUCK | Any | Any | David Coppock ons |
| COCKBILL | 1800-1900 | Filkins | Kaye Hawley |
| COCKERILL | Any | Any | Howard Cockerill |
| COCKHEAD | Any | Black Bourton | JoAnne Lilley |
| COCKHEAD | <1850 | Blackbourton, Brize Norton, Broadwell. | Haydn Ebbs |
| CODD | >1800 | Any | Ted Worth |
| COE | Any | Any | Tony Butcher |
| COGGIN | Any | Stanton St. John | Caron Coggin |
| COGGINS | c1700 | Weston on the Green, Chesterton | Barry Coggins |
| COKE | Any | Goring\Bradfield + Reading | Julia Kiff |
| COLCOTT | 18 cent - 19 cent | northwest | Ken Wyatt |
| COLE | 1740-1841 | Cogges | Steve Cole |
| COLEGROVE | 1800-1855 | Chipping Norton, Swerford, Hook Norton, Lit. Tew, Bloxham | Bill Watson |
| COLEING | 1880-2007 | Standlake | Tammy Broderick |
| COLEMAN | Any | Souldren | Ray Barlow |
| COLEMAN | <1890 | Enstone, Long Hanborough | Alexandra Coles |
| COLEMAN | <1900 | Minster Lovell | Fran Crisp |
| COLEMAN | c1870 | Shenington | Jeannie Hodkinson |
| COLEMAN | <1850 | ANY | Chris Hutton |
| COLEMAN | Any | Horley | Deborah Page |
| COLEMAN | 1800's | Bloxham | Joyce Tomasi |
| COLEMAN | <1860 | Enstone | Michael Wearing |
| COLEMAN | 1800-1900 | Bloxham, Banbury | Lorraine Gail Webster |
| COLEMAN | <1800 | Any | Peggy Butcher |
| COLEMAN | Any | Bloxham | Elizabeth Coyle |
| COLEMAN | Any | Bucknell | Gary Woodforth |
| COLEMAN | >1850 | Faringdon | Grace Abrahams |
| COLEMAN | >1700 | Banbury | Alan Coleman |
| COLEN | 1800's | Broughton | Gayle Faubion |
| COLES | >1792 | Henley on Thames | Lesley Fisher |
| COLES | Any | >1874 | Carol Coles Fleck |
| COLES | <1925 | Any | Shane Launchbury |
| COLES | 1735-1800 | Deddington | Donna Lonon |
| COLES | <1800 | Chalgrove, Brighwell Baldwin, Ewelme | Jill C. Major |
| COLES | <1800 | Great Milton | Jill C. Major |
| COLES | early 1800's | Banbury | Sharon Nelson |
| COLES | 1850 | Launton | Zynnya |
| COLES | 1500-1725 | Deddington | Graham Loveday King |
| COLES | 1740-1851 | Cogges | Steve Cole |
| COLES | <1800 | Bucknell | Sue Thompson |
| COLES | 1600-1800 | Kidlington | Rosemary Barling |
| COLLCUTT | 1840 | Oxford | Linda-Jane Hamill |
| COLLCUTT | Any | Any | Simon Collcutt |
| COLLET | <1840 | Alvescot | June Keating |
| COLLET | <1710 | Chipping Norton | Katie Sullivan |
| COLLETT | Any | Any | Amadio |
| COLLETT | Apx.1875 | Bladen | Carol Gelette |
| COLLETT | 1700 - 1900 | Dorchester, Thame, Kingston Blount. | Carol Gelette |
| COLLETT | <1840 | Alvescot | June Keating |
| COLLETT | <1800 | Alvescot | June Keating |
| COLLETT | 19c | Charlton on Otmoor, Fencott, Murcott | Karen Lynn |
| COLLETT | ANY | KINGHAM | Chris Maisey |
| COLLETT | Any | Charlton-on-Otmoor | Robin Price |
| COLLETT | >1770 | Long Coombe | Janice Seymour |
| COLLETT | 1680-1780 | Cote/Longworth | Judith Stichbury |
| COLLETT | <1710 | Chipping Norton | Katie Sullivan |
| COLLETT | 1823 | Murcott | Brenda Purves |
| COLLETT | <1746 | Charlton on Otmoor, Fencott | Stephen Collett |
| COLLEY | Any | Banbury / Fritwell | David Colley |
| COLLEY | <- 1600 | Fritwell & Banbury | David Colley |
| COLLIER | >1750 | Witney | Keith R. Collier |
| COLLIER | Any | Witney | Robert Collier |
| COLLIER | >1600 | Combe | Malcolm Evans |
| COLLIER | 1800-1870 | Witney | Sandra Kibble-White |
| COLLIER | Any | Any | Wendy Stacey |
| COLLIER | <1750 | Witney | Peter E. Terry |
| COLLIER | 18c | Witney | Chris Wake |
| COLLIER | Any | Witney | Martin Rix |
| COLLIER | c.1755 | Witney | Colin D. Gronow ons |
| COLLIER | Any | Witney | Mike Sandon |
| COLLINGRIDGE | 1700-1900 | Watlington, Waterperry | Julie Stokes |
| COLLINGWOOD | 1550-1750 | Bampton | Miriam Smith |
| COLLINGWOOD | <1800 | Bampton | Myrtle Cooper |
| COLLINGWOOD | Any | Any | Gordon Collingwood ons |
| COLLINS | 1890s | Oxford | Rosemary Barling |
| COLLINS | <1600 | Any | Chris Collins |
| COLLINS | <1820 | Any | Heather Collins |
| COLLINS | 1700 - 1850 | Towersey | Paul Collins |
| COLLINS | 1880 - 1999 | Warborough | Paul Collins |
| COLLINS | 1800 -1966 | Fritwell, Tusmore, Stoke Lyne | Roland Collins |
| COLLINS | <1907 | Bicester aream e.g Tusmore Park | Roland Collins |
| COLLINS | <1736 | Leafield, Woodstock | Maureen J. Cook |
| COLLINS | 1864 | Gt.Driffield | Lilabeth Crosby |
| COLLINS | 1750 to 1900 | Any | Georgiajean |
| COLLINS | 19th & 20th Century | Mapledurham | Eric Hartup |
| COLLINS | 1780-1900 | Hinksey | Ian Perrin |
| COLLINS | >1820 | Any | Mike Brooks |
| COLLINS | 1874 | Bloxham | Anne Williams |
| COLLINS | Any | Any | Rachel Williams |
| COLLINS | 1780 - 1812 | Oxford | Rosemary Feltham |
| COLLINS | >1700 | East & West Hanney | Ken Godfrey |
| COLLINS | Any | Dorchester | Martin Rix |
| COLLINS | <1600 | Stanford in the Vale | Fiona Hedges |
| COLLINS | Any | Deddington | Jane Davies |
| COLLINS | 19c | Chipping Norton | Danielle McHugh |
| COLLINSON | >1798 | Islip | Irene Cooke |
| COLLINSON | Any | Woodeaton | Allison Kazakevics |
| COLLIS | <1834 | Oxford | Cecily Harvey |
| COLLIS | 1700's - 1800's | Burford | Richard Slatter |
| COLLIS | <1900 | Oxfordshire | Janet Watts |
| COLLIS | <1850 | Any | Mary Jane Collis |
| COLLIS | 1750-1950 | Bampton | Michael Long |
| COLLIS | >1700 | Witney | Nena Carter |
| COLLIS | 19c | Bampton, Ducklington | Carolyn Ramsbottom |
| COLLISON | 1760 | Islip, Noke | William Willmot |
| COLLIVER | 18c | Any | Robert Colliver |
| COLSELL | >1800 | Chinnor, Crowell, Oakley | Jana Black |
| COLSELL | <1900 | Chinnor, Stokenchurch | Jana Black |
| COLSELL | 1740-1840 | Crowell | John Coshall |
| COLSHILL | 1740-1849 | Crowell | John Coshall |
| COLSIL | 1740-1840 | Crowell | John Coshall |
| COLSTON | >1819 | Iffley | Peter Colston |
| COLSTON | <1851 | Oxford City or any | Neil Thaler |
| COLWELL | >1730 | Stanton St John & surrounding area | Angela Field |
| COMBE | 1600-1700 | Unknown | Denise Mortorff |
| COMBS | <1901 | Oxford, Wallingford, Standlake, Crawley, Curbridge, Clanfield | Jacqui Gately |
| COMIN | 1650-1750 | Elsfield | David Nutt |
| COMLEY | any | Any | Andrew Mead |
| COMLEY | >1700 | Hinton Waldrist, Appleton, Wychwoods | Liz Chown Gadd |
| COMLEY | <1855 | Bampton, Witney | Stella Scott |
| COMLEY | Any | Oxford | Paul Landon |
| COMLEY | Any | Clanfield, Hinton Waldrist. | Lynda Brown |
| COMMIN | Any | Blewbury?? | Bill Price |
| COMPTON | Any | Any | G Compton |
| COMPTON | Any | Any | W. T. Compton |
| COMPTON | 1800 | Charlbury | M. Hedge |
| COMPTON | <1850 | Charlbury | Ron Hollander |
| COMPTON | 1800 | Shutford | Roger Jelfs |
| COMPTON | 1850 - 1901 | UNKNOWN | Maria Nicholas |
| COMPTON | early 1800's | Henley | Heather Olsen |
| COMPTON | 1840s | Alvescot | Mark Scott |
| COMPTON | >1750 | Chipping Norton | Joanne Warby |
| COMPTON | >1700 | Great Rollright, Shutford | Debbie Zuniga |
| COMPTON | <1650 | Any | Elizabeth Koether |
| COMPTON | <1850 | Charlebury | Mary Jane Collis |
| CONDE | Any | Banbury | Ian |
| CONSTABLE | 1800's | Weston-on-the-Green | Barbara Crook |
| CONSTABLE | Late 1700's | Waterstock | Michael Constable |
| CONSTABLE | Any | Witney | Jean Hodges |
| CONSTANT | 1900 to 1930 | Middlesex | Beryle Mason |
| CONWAY-TURNER | 20c | Oxford | Sandra Clifton |
| COOK | 1750-1900 | Burford | Bob Cowley ons |
| COOK | >1800 | Burford | Victor Ellen |
| COOK | 1815 | Henley on Thames | Lesley Fisher |
| COOK | 19c | Swinecomb | Steve Lewis |
| COOK | 1700-1840 | Witney Eynsham Any | Steve Lloyd |
| COOK | 1700 to 1850 | Filkins and Weald | Val Payne |
| COOK | >1700 | Winchenden | Valerie Tomlinson |
| COOK | 1850 - 1930 | Thame or any | Valerie Tomlinson |
| COOK | 18c | Any | Bryan Bowen |
| COOK | <1827 | Bampton | Susan Lewis |
| COOK | Any | Any | Keith A. Jennings |
| COOKE | <1900 | Any | Andy Cooke |
| COOKE | 1830 | Beckley | Victoria Greenly |
| COOKE | 1850-1900 | Oxford | Catriona Manners |
| COOKE | Any | Any | Keith A. Jennings |
| COOKNELL | <1800 | Spelsbury | Maureen J. Cook |
| COOKNELL | 1610 - 1804 | Cropredy | Miss Terry Cooknell |
| COOKNELL | 1809 | Prescott | Sarah Goodyear |
| COOKNELL | <1860 | Spelsbury | Edward Metcalfe |
| COOKNELL | <1850 | Any | Edward Metcalfe |
| COOLEY | Any | New Hinksey | Joanne Cooley |
| COOLING | 1800's | Broughton | Gayle Faubion |
| COOLING | 1700's & 1800's | Any | David Murray |
| COOLING | <1890 | Aston Tirrold | Brenda Wheeler |
| COOMBES | <1881 | Hardwick, Stanton Harcourt | Chris Hollins |
| COOMBES | <1800 | Lyneham | Michael Dumbleton |
| COOMBS | <1901 | Oxford, Wallingford, Standlake, Crawley, Curbridge, Clanfield | Jacqui Gately |
| COOMBS | <1870 | Hanborough | Helen Southen |
| COOMBS | 18c | Any | Bryan Bowen |
| COOPER | 1500 | Murcott, Charlton, Fencot | Michelle Bailey |
| COOPER | 1300 - 1800 | Murcott | Michelle Bailey |
| COOPER | 1600's | Cuxham | Valerie H. Burrows |
| COOPER | 1750 | Black Bourton | Dave Cooper |
| COOPER | <1820 | Charlton-on-Otmoor, Murcott | Jenny Dodds |
| COOPER | 1700 - 1800 | Cote, Aston, Lew, Bampton | Frank Hudson |
| COOPER | 1800-1900 | Headington | John Morgan |
| COOPER | circ. 1750 - 1850 | Horspath | Robyn Roberts |
| COOPER | Any | Any | Jacky Sherwood |
| COOPER | <1733 | Charlton-on Otmoor | Donnette Smith |
| COOPER | 1800's | Dunsden,Caversham,Sonning | Mary Vogwell |
| COOPER | Any | Chipping Norton | Brian Vincent Cooper |
| COOPER | <1800 | Somerton, Middleton Stoney, Bicester | Gillian Talbot |
| COOPER | Any | Any | William Birchall |
| COOPER | Any | Witney | Leanne Cooper |
| COOPER | Any | Lew, Bampton, Burford | Mary Skeemer |
| COPAS | 1800-1870 | Watlington | Hannah Bellamy |
| COPE | 1700-1850 | Thame | Gina Cope |
| COPE | Any | Any | Gina Cope |
| COPE | >1393 | Hanwell | Ellen Kelley |
| COPE | 1621 | Thame | M. Lawrence |
| COPE | 1880-1945 | Kiddlington | Reginald E. Manuel |
| COPE | Any | Thame | Jane Davies |
| COPELAND | 1760-1800 | Chinnor | Kelley Kishpaugh |
| COPELIN | ANY | ANY | Roger Copelin |
| COPEMAN | Any | Any | Joseph G. Copeman |
| COPOC | Any | Any | David Coppock ons |
| COPOCK | Any | Any | David Coppock ons |
| COPPACK | Any | Any | David Coppock ons |
| COPPICK | Any | Any | David Coppock ons |
| COPPOCK | Any | Any | David Coppock ons |
| COPPOCK | 1700 - 1850 | Headington | Sylvia Ford |
| COPPOCK | <1860 | Great Milton | Alan Catherine |
| COPPOCK | <1750 | Any | Jeffrey Allen Tomlinson |
| COPPOCK | <1800 | Watlington | Margaret Hawkings |
| COPPUCK | Any | Any | David Coppock ons |
| COPUS | 1800-1870 | Watlington | Hannah Bellamy |
| COPUS | <1865 | Shirburn, Watlington | Brian Copus |
| COPUS | <1865 | Watlington & surrounding Areas | Brian Copus |
| COPUS | 1500-1900 | Any | Brian Copus |
| CORALL | 17c | Little Compton | Penny Eves |
| CORBETT | Abt. 1960 | Lower Assendon | Carol Mooney |
| CORBEY | 1840's | Oxford St. Thomas | David Bradshaw |
| CORFIELD | any | any | Katherine Corfield |
| CORN | 1850-1900 | Oxford Henley House | William Walker |
| CORNISH | >1779 | Any | Gary Bradbury |
| CORNISH | Any | Any | Vicki Cornish |
| CORNISH | Any | Any | Rev. Roger Cornish ons |
| CORNISHE | Any | Any | Rev. Roger Cornish ons |
| CORNOCK | 1800-1850 | Eastington | Joan Lowrey |
| CORNYSHE | Any | Any | Rev. Roger Cornish ons |
| CORPE | 1800 - 1900 | any | Tony Harper |
| CORPE | Any | Daglingworth, Kencott, Burford, Swindon | Tony Harper |
| COSBY | <1850 | Kidlington | Alan W. Inness |
| COSHALL | 1740-1943 | Crowell, Oxford | John Coshall |
| COSSENS | 18c | Burford | John Moore |
| COSTAR | <1800 | Any | Tim Davies |
| COSTAR | Any | Benson | Alan J Foxall |
| COSTAR | 1730's | Benson | Wendy Griffin |
| COSTAR | 1800's | Littlemore | Diane Hasell |
| COSTARD | <1800 | Any | Tim Davies |
| COSTARD | Any | Benson | Alan J Foxall |
| COSTER | Any | Any | Jacky Sherwood |
| COSTER | >1700 | Any | Pam Thornton |
| COSTER | <1832 | Chalgrove | Rosemary Wigg |
| COSTIFF | Any | Witney | Richard Parkes |
| COTESFORD | <1650 | Any | John Scotford |
| COTHIER | Any | Any | Matthew Cothier |
| COTMORE | >1925 | Shabbington | Kevin Taylor |
| COTSFORD | Any | Launston, Twyford | Brenda Timms |
| COTSFORD | Any | Any | John Scotford |
| COTTERELL | 1580-1780 | Wantage | Terry Gregory |
| COTTERELL | 1700-1900 | Alvescot and surrounding villages | Janice McBride |
| COTTERELL | 1700-1900 | Burford | Philip Robbins |
| COTTERILL | 1580-1780 | Wantage | Terry Gregory |
| COTTESFORD | Any | Any | John Scotford |
| COTTRELL | 1800-1900 | Alvescot | Donna Fearne |
| COULDREY | 1700's | Abingdon | Sue Matthews ons |
| COULING | Any | Any | John S. Couling |
| COULING | 1700's & 1800's | Any | David Murray |
| COULING | 1800 - 1854 | North Newington, Tadmartron | Luciano Ramos |
| COULING | 1800 -1900 | Marston, Oxford | Hamish Stewart |
| COULING | <1800 | Spelsbury, Dean | Michael Dumbleton |
| COULSON | >1850 | Cowley | Peter Colston |
| COULSON | 1790 - 1875 | Henley-on-Thames | Lynn Harvey |
| COULSTON | 1790 - 1875 | Henley-on-Thames | Lynn Harvey |
| COULTON | Any | Any | Christopher Pike |
| COUNCER | Bloxham | Andrea Green | |
| COURTNEY | <1795 | Oxford | Ken Courtney |
| COURTOY | >1700 | Blewbury | Judy Jerkins |
| COUSINS | <1900 | Abingdon | Jeremy Cousins |
| COUSINS | Any | Any | Janet O'Flaherty |
| COUSINS | <1904 | Oxford | Patrick Inwood |
| COVENTRY | Any | Any | Brenda Mayers |
| COWAN | Any | Any | Keith A. Jennings |
| COWDEN | Any | Thame | Brian Albert Humberstone |
| COWLEY | 1750 - 1900 | Deddington | Denise Bright |
| COWLEY | 13.54 | Marston | Karen Cowley |
| COWLEY | Any | Marston area | Karen Cowley |
| COWLEY | >1800 | Buckland | Janet Hudson |
| COWLEY | > 1950 | Oxford | Paul Landon |
| COWLING | 1800 - 1900 | UNKNOWN | Leanne Bailey |
| COX | 1500 - 1900 | Bletchington | Chris Cave-Whitley |
| COX | 1870-1875 | Banbury District | Patti Cichon |
| COX | 18 & 19c | Toot Balden | Eleanor Collins |
| COX | 1700-1800 | Weston-on-the-Green | Eleanor Collins |
| COX | 1700 and 1800 | Bletchington | Eleanor Collins |
| COX | 1700-2000 | Oxford, Standlake, Abingdon | Mark Cox |
| COX | 18th & 19th centuries | Thame, Any | Patrick Cox |
| COX | 1800 to 1918 | St. Thomas | Robert Cox |
| COX | 1720-1900 | Abingdon/Culham | Robert Cox |
| COX | 1538-1730 | Warborough, Dorchester, Burcot | Robert Cox |
| COX | 19c | Great Tew | Vanessa Cox |
| COX | 1789-1900s | Oxford | Warwick Cox |
| COX | 1600 -- 2000 | Black Bourton/ Beckley/ Studley | William John Coxhead |
| COX | 19c | Standlake | Betty Fry |
| COX | 1600-1900 | Buckland, Hinton Waldrist, Witney, Curbridge, Northmoor, Stanton Harcourt, Wootton | Heather Grimwood |
| COX | Any | Horton, Stanton St. John, Oxford | Valerie Gunn |
| COX | <1875 | Wolvercote, Blackbourton | Eric Halpin |
| COX | 1760 | Wychwood | Glyn Hatherall |
| COX | 1750-1900 | North & South Moreton, Sotwell, Brightwell | Sylvia Hewitt |
| COX | 1700-1825 | Ambrosden, Blackthorn Chapel | Kris Inwood |
| COX | 1885 - 1952 | Horton-cum-Studley | Edith McIntyre |
| COX | 1850 | CHALGROVE | Larry Parks |
| COX | b. 1821-1822 | Thame | Chere Cox Perrone |
| COX | 1800 or any | Shipton under Wychwood, | S Porter |
| COX | 1870's and later | Binfield Heath, Shiplake moving to Maidenhead | Jon Saunders |
| COX | Any | Any | Jacky Sherwood |
| COX | Late 1800's | Headington, Cowley, Hinksey, Banbury, Neithrop, ?Bampton | Jean Stobbs |
| COX | 19c | Neithrop | Sharon Strange |
| COX | <1850 | Northleigh | Marion Towers |
| COX | < 1775 | Brize Norton | Gordon Watts |
| COX | 1800-1865 | Northleigh, Eynsham | Emily Foster |
| COX | 1700-1800 | Brize Norton, Yarnton | Martin Pearson |
| COX | >1740 | Oxford | Ruth Margaret Taylor |
| COX | Any | Holton, Kennington | Julia Howes |
| COX | <1880 | Headington | Brian Dalby |
| COX | <1750 | Milton | Elaine Ward |
| COX | 1790-1831 | Adderbury | Jim Cox |
| COX | 1830 | Croughton | Jim Cox |
| COX | 1786-1875 | Cowley | Lynda Ottaway |
| COX | <1800 | Wantage | Myrtle Cooper |
| COX | <1660 | Cumnor | Fiona Hedges |
| COX | <1800 | Abingdon,Culham,Wheatley | Barbara Cox |
| COX | 1500-1750 | Wheatley | Robert Cox |
| COX | 1740-1800 | Northmoor, Oxford (esp. St. Peter-in-the-East and St. Aldate) | Vicki McKay |
| COX | >1790 | Wiggington | Vanessa Cox |
| COXETER | 1600-1800 | Weald, Bampton | Pam Hodge |
| COXETER | <1700 | Bampton | Fiona Hedges |
| COXHEAD | 1600 -- 2000 | Black Bourton/ Beckley/ Studley | William John Coxhead |
| COXHEAD | All - any | Islip - Tingewick | Lesley Cox |
| COXHILL | 1600-1830 | Bicester | Gordon Ashford |
| COY | 1750's | Great Bourton | Barbara Tucker |
| COY | born 1783 | Any | Barbara Tucker |
| COY | 1830-1886 | Bourton, Great Bourton, Banbury | Charles White |
| COY | 1780-1850 | CROPREDY | Charles White |
| COZENS | 18c | Ewelme | Rosemary Deane |
| CRACKLOE | 1530-1600 | Any | Anne Wiltshire |
| CRACKLOR | 1530-1600 | Any | Anne Wiltshire |
| CRACKLOW | 1530-1600 | Any | Anne Wiltshire |
| CRACKLOWE | 1530-1600 | Any | Anne Wiltshire |
| CRAKE | 1700 | Cuxham | Valerie H. Burrows |
| CRAKE | Any | Any | Sally Jackson |
| CRAKER | 1723-1840 | Sutton Courtney, Wallingford, Woodcote, South Stoke | Janet Johnstone |
| CRAKER | 1700s | Any area | Irene Popkins |
| CRAKER | 17c | Any | Penny Eves |
| CRAKER | c1700 | Western on the Green | Barry Coggins |
| CRANE | 1500-1600 | Any | Mark Murphy |
| CRANTON | 1880-1900 | Banbury | Bruce Wylie |
| CRAPPER | Any | Oxford | Susan Toth |
| CRAVATT | 1700-1850 | Cassington and Hanborough | David Turner |
| CRAWFORD | 1700-1900 | Barton | K.J. Crawford |
| CRAWFORD | 1800's | Hanborough | John Lord |
| CRAWFORD | 1650 - 1830 | Cassington, Woodstock, Hanborough | Sarah Milne |
| CRAWFORD | 1700-1850 | Cassington and Hanborough | David Turner |
| CRAWFORTH | Any | Headington, Yarnton | Lin Crawforth |
| CRAWLEY | Any | Any | Daphne Oosthuizen |
| CRAWLEY | >1940 | Oxford | Vic Hall |
| CREAKER | 1723-1840 | Sutton Courtney, Wallingford, Woodcote, South Stoke | Janet Johnstone |
| CREED | 1600 to 1750 | North-east corner | Brian Creed |
| CREED | Any | Any | Frances Powis |
| CREED | >17c | Caversham | Harry White |
| CREEK | <1732 | Rousham | Helen Lisle-Wood |
| CRESSWELL | 1570-1800 | Any | Eric Cresswell |
| CRESSWELL | | Caversham |
Lynne Bell
| |
| CRESWELL | 1570-1800 | Any | Eric Cresswell |
| CRESWICK | <1845 | Henley | Heather Lynn Drake |
| CREWE | >1939 | Oxford | Jon Crewe |
| CRICK | <1700 | Adderbury | Liane Fenimore |
| CRIPPS | <1800 | Oxford, Bletchingdon | Valerie Gunn |
| CRIPPS | <1900 | Hinksey | Sue Matthews ons |
| CRIPPS | Any | Chipping Norton | Isabel Miles |
| CRIPPS | Any | Bletchingdon, Cassington, Islip | Robin Price |
| CRIPPS | <1720 | Any | Mike Sandon |
| CRIPPS | 1800's | Hinksey, Cowley, ?Bampton | Jean Stobbs |
| CRIPPS | Any | Any | Jayne Watson |
| CRIPPS | 1860's | Bletchington | Ngaire Webber |
| CRIPPS | 1800's | Any | Ngaire Webber |
| CRIPPS | <1850 | Any | Mike Brooks |
| CRIPPS | <1800 | Any | Geoff Wain |
| CRIPPS | <1850 | Bampton | Margaret Forbes |
| CRIPPS | 1800-1900 | Bucknell | Stephen Taylor-Jones |
| CRIPPS | Any | Any | Penelope Taylor |
| CRIPPS | >1850 | Any | Jennifer Tinson |
| CRISP | 1100 | unknown | Jeremy Crisp |
| CRISP | 1800's | Any | Jean Stobbs |
| CROCKER | <1700 | Hook Norton | Gisela Arnfield |
| CROCKER | 1400s - 1500s | Hook Norton | Olive Hoffman |
| CROCKWELL | <1800 | Stanford-in-the-Vale and area | Jon Spinage |
| CROFTS | >1800 | Any | Joyce Milnes |
| CROFTS | Any | Oxford East | Lynn Hotson |
| CROKE | 1830 | Studley Priory, Otmoor | Victoria Greenly |
| CROKER | <1700 | Hook Norton | Gisela Arnfield |
| CROKER | 1400s - 1500s | Hook Norton | Olive Hoffman |
| CROOK | circa 1800 | Wheatley | Tony Crook |
| CROOK | <1700 | Adderbury | Liane Fenimore |
| CROOK | c.1800 | Berrick, Newington | Jean Melvina Harrison |
| CROOK | >1700 | Any | Pam Thornton |
| CROOK | Any | Wallingford and surrounding areas | Jane Wolsey |
| CROOK | 1860-1964 | Hinksey | Ian Perrin |
| CROOK | 18c-19c | Any | Naomi Tarrant |
| CROOM | <1600s | Any | Pam Croom |
| CROOME | <1600s | Any | Pam Croom |
| CROSIER | Any | Bicester, Oxford, South Hinksey | L Whittinger |
| CROSIER | <1800 | Any, mainly Oxford | L Whittinger |
| CROSIER | 1700-1800 | Bicester | L Whittinger |
| CROSS | 1880 - 1898 | Brackley | David Buckton |
| CROSS | Any | Stanton Harcourt | Lesley Cook |
| CROSS | 1900's | Any | Claudia Cross |
| CROSS | <1890 | Morton, Thame | Dianne Williams Cross |
| CROSS | 1850's | Charlbury | Edgar Cross |
| CROSS | >1860 | Charlbury | Edgar H. Cross |
| CROSS | 1860 | Charlbury | Edgar H. Cross |
| CROSS | Any | Tackley, Steeple Aston | Fred Cross |
| CROSS | <1900 | Spelsbury & Taston | Michael Cross |
| CROSS | 1813 | Mixbury | Michelle Cross |
| CROSS | 1812 | Mixbury | Michelle Cross |
| CROSS | 1750-1850 | Lechlade | Richard Cross |
| CROSS | 1600-1800 | Hethe. | Don Mark Gilham |
| CROSS | 1780-1880 | Charlbury/Chilson area | Marian Gould |
| CROSS | >1800 | Minster Lovell and St Ebbes | D. Harrison |
| CROSS | >1848 | Charlbury | Steven Knowles |
| CROSS | >1500 | Great Haseley or surrounding areas | Mary Quinlan |
| CROSS | 1872 | Chipping Norton,Charlbury | Sherrill Ray |
| CROSS | 1885-1889 | Any | John Riches |
| CROSS | 1816-1890 | Chipping Norton | Brenda Rowe |
| CROSS | <1774 | Launton, Arncot | Donnette Smith |
| CROSS | >1700 | Any | Pam Thornton |
| CROSS | Any | Enstone | Brian Williams |
| CROSS | Any | Any | Martin K Thompson |
| CROSS | 19c | Minster Lovell | Colin Harris |
| CROSSEN | Any | Any | J. Crossen |
| CROTON | Any | Any | Roy Croton ons |
| CROTON | Any | Any | Peter Croton |
| CROUME | <1600s | Any | Pam Croom |
| CROWDY | Any | Any | John Inglis |
| CROWELL | Any | bath or anywhere! | Richard Crowell |
| CROWLEY | 1500-1650 | Witney to Banbury | Patrick Crowley |
| CROWTON | 1450 - 1910 | Any | Peter Croton |
| CROXFORD | >1820 | Henley-on-Thames | Michael Vickery |
| CROXFORD | >1600 | Aston Rowant, Lewknor, Sydenham | Pete & Glynis Croxford |
| CROXFORD | >1600 | Aston Rowant, Lewknor, Sydenham, etc. | Brian Perry Powell |
| CROXFORD | Any | Any | James Keen |
| CROXSON | Any | Any | Wendy Croxson |
| CROXTON | <1681 | Blackthorne | Donnette Smith |
| CROZIER | >1800's | Oxford | Malcolm Crozier |
| CROZIER | 1800s | Oxford City | Kerri Parker |
| CRUICKSHANK | Any | ANY | Lisa Cruickshank |
| CRUTCH | Any | Any | Geoff Cleaver |
| CRUTCH | 1800s | Stadhampton | Alexandra Coles |
| CUBBAGE | >1850 | Launton | Eunice Cubbage |
| CUDD | 1730's | Chipping Norton | Richard Cudd |
| CUDD dna | Any | Abingdon, Sunningwell, Oxford | Valerie Hounslow |
| CUDDON | Any | Any | Rob Spurrett |
| CULHAM | >1700 | Kelmscott | Alan Cullum |
| CULL | Early 1800's | Piddington | Margaret Dowling |
| CULLUM | Any | Kelmscott | Alan Cullum |
| CULLUM | 1842 | Twyford | Alan Cullum |
| CULLUM | >1820 | Wheatley | Keith Cullum |
| CULLY | >1700 | Cuxham | Valerie H. Burrows |
| CULLY | <1760 | Stanford-in-the-Vale and area | Jon Spinage |
| CULPEPPER | <1850 | Oxford | Hazel Anderson |
| CUMMIN | 1700 - 1730 | South Stoke | David J. Weller |
| CUMMINGS | Any | Any | Sue Watson |
| CUMMINGS | Any | Marston, Oxford | Sue Watson |
| CUMMINGS dna | >1750 | Elsfield, Marston, Oxford | David Nutt |
| CUMMINGS dna | <1850 | Wytham | Jenny Lockett |
| CUMMINS | <1850 | Marston, Headington | Brian Andrews |
| CUMOR | any | Any | Christopher L. Cumor |
| CUNNINGHAM | c.1860-1935 | Gloucester Green, Oxford | Dona Baker |
| CUNNINGHAM | 1850-1950 | Oxford City | Vic Styles |
| CURNOCK | Any | Any | Bob Simmonds |
| CURRELL | >1800 | Marsh Baldon | Dee |
| CURRELL | >1800 | Littleworth, Wheatley. | Christine Recker |
| CURRELL | >1700 | Wheatley, Headington, Cuddesdon. | Christine Recker |
| CURRELL | Any | Banbury | Jenny Smith |
| CURRELL | 1900's | Ludgershall, Bicester | Mark Ware |
| CURRILL | Any | WHEATLEY | Karan Andrews |
| CURRILL | >1800 | Marsh Baldon | Dee |
| CURRILL | 1800's | Any | Christine Recker |
| CURTIS | 1500- | Sutton Courtenay | Corinne Curtis |
| CURTIS | 1787-1812 | Kidlington | Phil Goater |
| CURTIS | 1795 | North Hincksey | Philip Ward |
| CURTIS | Any | Bodicote, Adderbury | Fiona Young-Brown |
| CURTIS | Any | South Stoke, Goring | Stephen Costello |
| CURTIS | Any | South Stoke, Goring | Christine Curtis |
| CURTIS | Any | Great Bourton and surrounding area | Tim Avery |
| CURTOYS | >1700 | Blewbury | Judy Jerkins |
| CZIFRA | Any | Any | Anthony Czifra |