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-Name Studies.
| Surname | Timeframe | Place | Researcher |
|---|---|---|---|
| JACKMAN | 1680-1750 | Stratton Audley | David Williams |
| JACKSON | 1790 | Banbury | Liz Beard |
| JACKSON | Any | Any | Teresa Cullingford |
| JACKSON | Any | Banbury | Ann Jones |
| JACKSON | >1840 | Milton | Linda Monks |
| JACKSON | <1742 | Banbury | Kerrie Rafter |
| JACKSON | <1870's | Chipping Norton | Vivienne Wooster |
| JACKSON | <1800 | Oxford | Maralyn Bevilaqua |
| JACKSON | 1775-1832 | Bicester | Pamela Sopp |
| JACKSON | <1850 | Bicester | Fiona Hedges |
| JACOB | >1200 | Any | Kenneth Jacob |
| JACOB | 1700 - 1860 | Headington | Reg Wells |
| JACOBS | >1792 | Stadhampton | Yvonne Bean |
| JACOBS | 1700 - 1860 | Headington | Reg Wells |
| JACOBS | 19c | Headington | D Peasey |
| JACOBS | 19c | Witney | D Peasey |
| JACOBSON | >1948 | Cowley | Geof Jones |
| JACQUES | >1800 | Charlton-on-Otmoor | Martin Jacques |
| JAKEMAN | <1880 | Deddington, Long Hanborough | Alexandra Coles |
| JAKEMAN | Any | Any | Janet Sandilands |
| JAKEMAN | 1680-1750 | Stratton Audley | David Williams |
| JAKEMAN | Any | Chesterton | Gary Jakeman |
| JAKEMAN | 1600-1900 | Any | Gary Jakeman |
| JAMES | 18c-20c | Blewbury & surrounding areas | Val Hackett |
| JAMES | early 1800s | Fulbrook | Florence Gillman |
| JAMES | 1800-1900 | Oxford City | Sandra Kibble-White |
| JAMES | 1700-1850 | South Stoke | Kelven Spratling |
| JAMES | 1700 - 1900 | Woodstock, Cogges | Robyn McNie |
| JAMES | 1700 - 1900 | Brightwell | Chris Prince |
| JAMES | <1850 | Brize Norton | Norma Jee |
| JAMES | Any | Eynsham | Jack Honour |
| JAMES | 18c-19c | Clifton Hampden, Warborough | Naomi Tarrant |
| JAMES | <1850 | Blewbury, Upton, Abingdon | Colin James |
| JAMES | Any | Wychwood Forest | Douglas James |
| JAMES | <1650 | Witney, Bampton | Douglas James |
| JANNAWAY | 19c | Dorchester | Lesley Newman |
| JARMAINE | 1700 to 1900 | South Weston and Lewknor | Ian Jarmaine |
| JARMON | >1600 | Lewknor and surrounding villages | Ian Jarmaine |
| JARRETT | Any | Freeland | Roger Jarrett |
| JARRETT | 18c & 19c | Any | Bryan Bowen |
| JARVIS | Any | Chipping Norton | Oliver Herrin |
| JARVIS | 1680 | Stoke Lyne | Larry Jarvis |
| JARVIS | 1790-1845 | Oxford City and environs | Michael Tebbutt |
| JARVIS | Any | Any | Colin Wills |
| JARVIS | Any | Souldern | John Robbins |
| JAYCOCK | Any | St Ebbes | Elaine Jaycock |
| JEACOCK | Any | Any | Arnold Jeacock ons |
| JEE | <1850 | Chipping Norton | Norma Jee |
| JEEVES | <1800 | Any | Rebecca Williams |
| JEEVES | c1645 | Westcote Barton | Howard Samuels |
| JEFFERIES | <1900 | Any | Myrtle Cooper |
| JEFFERSON-LOVEDAY | Any | Any | Martin Hanks |
| JEFFERY | c.1830-c.1940 | Oxford | Pat Jeffery |
| JEFFERY | <1770 | Witney | Lesley Silvester |
| JEFFRESS | 1762 | Henley | John Moodie |
| JEFFREY | 1680 - 1780 | BICESTER | Valerie Fairbrass |
| JEFFREYS | 1860 | Oxford | David Bradshaw |
| JEFFRIES | Any | Kingston Bagpuize | Al Jeffries |
| JEFFS | <1750 | Bicester | Fiona Hedges |
| JEFKINS | >1750 | Aston Rowant, Lewknor | Peter Moore |
| JEFKINS | 1788-1831 | Sydenham, Chalgrove, Lewknor, Aston Rowant | Yvonne Stone |
| JELFS | 1818 | Drayton, North Oxon | Roger Jelfs |
| JEMMETT | 16c | Shiplake | Allan Jemmett |
| JEMMETT | 1500-1700 | Shiplake, Rotherfield Peppard | Buddug Hollett (Mrs) |
| JEMMOTT | 16c | Shiplake | Allan Jemmett |
| JEMOT | 1500-1700 | Shiplake, Rotherfield Peppard | Buddug Hollett (Mrs) |
| JENNINGS | 1512-1597 | Abingdon, Culham | Jenny Bell |
| JENNINGS | <1845 | Newington | Robert Jennings |
| JENNINGS | >c1774 | Bicester | Hester Moore |
| JENNINGS | Any | Hethe, Bicester & surrounds | Hester Moore |
| JENNINGS | c1770 | Newington | Toni Philipoom |
| JENNINGS | 19c | Kings Sutton | Frances Powis |
| JENNINGS | Any | South Oxfordshire | Rosemary Hicks |
| JERMAIN | 1700 to 1900 | South Weston and Lewknor | Ian Jarmaine |
| JERMANY | >1600 | Lewknor and surrounding villages | Ian Jarmaine |
| JERMYN | 1700 - 1800 | South Weston, Lewknor and Stokenchurch | Ian Jarmaine |
| JERMYN | 1750 | South Weston and Lewknor | Ian Jarmaine |
| JERRAMS | <1700 | Woodstock | Alan Wood |
| JESSETT | 1780- | Charlton-On-Otmoor,Islip | Darren Medcraft |
| JESSETT | 1700's | Charlton on Otmoor, Oxford | Gary Jakeman |
| JETT | Any | Any | Bob Kamman |
| JIFFKINS | >1750 | Aston Rowant, Lewknor | Peter Moore |
| JIFKINS | 1788-1831 | Sydenham, Chalgrove, Lewknor, Aston Rowant | Yvonne Stone |
| JINES | Any | Any | David Gynes ons |
| JOBSON | Any, but particularly 1700's | Shutford and surrounds | Kevin Poile |
| JOHN | 1760 | any | Ken Wyatt |
| JOHNSON | 1690-1790 | Aston Rowant | Rosemary Braun |
| JOHNSON | <1800 | Blackbourton | Phillipa Downs |
| JOHNSON | >1800 | Little Faringdon | Jenny Easlea |
| JOHNSON | 1800 to 1870 | Barford St. John, Michael, Great Tew, Little Tew, Hook Norton | Sharon Lovell Gergen |
| JOHNSON | 1750-1900 | North & South Moreton | Sylvia Hewitt |
| JOHNSON | Early 1830's | Ewelme? | Tanya Maxwell |
| JOHNSON | Any | Bladon | Mark Phelps |
| JOHNSON | 1850 - 1960 | Chalgrove, Berrick Salome | Sally Worsley |
| JOHNSON | Any | Cogges | William (Bill) Johnson |
| JOHNSON | Any | Ducklington | Celia Marus Crangle |
| JOHNSON | 17c | Combe | Penny Eves |
| JOHNSON | c1788 | University College Oxford | Tim Johnson |
| JOHNSON | c1861 | Bicester | Tim Johnson |
| JOHNSON | Any | Any | Joyce Hamson |
| JOHNSON | Any | Standlake | Sandy Mursell |
| JOHNSON | 1749-1771 | Northleigh | Roy Woodcock |
| JOINES | Any | Any | David Gynes ons |
| JOINES | Any | Banbury | John Plester ons |
| JOINES | Any | Any | Colin Wills |
| JONES | 1800's | Marsh Baldon | Glenda Bennett |
| JONES | >1700 | Cuxham | Valerie H. Burrows |
| JONES | 1753-1793 | Taynton | Pamela Farmer |
| JONES | <1820 | Stokenchurch | Norm Smart |
| JONES | 1860-1910 | Clifton Hampden | Dr Ben Knighton |
| JONES | 18c | Any | Stephen Jones |
| JONES | <1880 | Oxford | Ian Mullan |
| JONES | 1800's | Tetsworth, Benson | Robyn Jones |
| JONES | 1820-1900 | Upper Slaughter | Stephen Taylor-Jones |
| JONES | 1820s | Any | Bob Jones |
| JONES | <1750 | Blackthorn | Fiona Hedges |
| JONES | 1840 | Chipping Norton | Meredith Jones |
| JONES dna | <1850 | Headington Quarry, Marston, Shotover | David Nutt |
| JONES | Any | Charney | Gerry Bolton |
| JONES | 18c-19c | Waterperry | Ann Dunmore |
| JONES | 20c | Chipping Norton | Max Hamilton |
| JORDAN | 1600 - 1750 | Lower Heyford | Sue Holmes |
| JORDAN | 1700 - 1850 | Chadlington, Enstone, Charlbury | Ann Keegan |
| JORDAN | c. 1828 | Oxford St Clements | John Moodie |
| JORDAN | >1800 | City of Oxford | John Moodie |
| JORDAN | 1700s/1800s | Ducklington, Bampton, Fyfield | Tina Webb |
| JORDAN | Any | Any | Patsy Whenuaroa |
| JORDAN | 1815-1874 | Oxford, Waterstock, Enstone, | Jennifer Eggleston |
| JORDAN dna | <1750 | Shipton-under-Wychwood | Jenny Lockett |
| JORDEN | 1600 - 1750 | Lower Heyford | Sue Holmes |
| JOY | <1750 | Any | Penny Eves |
| JOY | <1700 | Little Coxwell | Fiona Hedges |
| JOY | Any | Any | Lorraine Sterry |
| JOYCE | 1535-1835 | Headington, Bampton | Jenny Bell |
| JOYCE | Any | Cowley | Susan Thackeray |
| JOYCE | 1780 - 1880 | Steventon | Jane Morton |
| JOYES | 1762 - 1830 | Holywell | David H Ricketts |
| JOYNER | 17c | Any | Penny Eves |
| JOYNER | Any | Any | Howard Fisher |
| JOYNES | 18C | Witney | Judith Wildsmith |
| JUD | Any | Banbury, Adderbury, Witney, Burford, Eynsham etc | David Judd |
| JUDD | Any | Banbury, Adderbury, Witney, Burford, Eynsham etc | David Judd |
| JUDDE | Any | Banbury, Adderbury, Witney, Burford, Eynsham etc | David Judd |
| JUDGE | <1745 | Deddington | Maureen J. Cook |
| JUDGE | Any | Banbury, Adderbury, Witney, Burford, Eynsham etc | David Judd |
| JUDGE | 1750-1850 | Bicester | Russell Judge |
| JUDGE | <1758 | Chipping Norton | Andrew John Ackerman |
| JUDGE | <1750 | Chipping Norton, Over Norton | Doreen Myerscough |
| JUDGE | Any | Ewelme, Swyncombe | Susan Wheeler |
| JUDGE | 1769-1800 | Stokenchurch | Joan Bennell |
| JUDY | 1750 | North Hinksey | Pat Jeffery |
| JUED | Any | Banbury, Adderbury, Witney, Burford, Eynsham etc | David Judd |
| JUGGINS | Any | Any | Judith Palmer |
| JUGGINS | Any | Any | Susan Wheeler |
| JUSTICE | Any | Holton, Cuddesdon, Wheatley | Ray Cross |
| JUSTICE | 1830 - 1870 | Beckley | Deidre Mayhew |
| JUSTINS | Any | Ewelme | Rosemary Hicks |
| JYNES | Any | Any | David Gynes ons |