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
OAKEY any Alvescot/Clanfield/Black Bourton Richard King
OAKLEY 1800 - 1900 Cholsey Roger Heeley
OAKLEY Any Any Christine Norris
OAKLEY mid 1800s Brill Brenda Zadoroznij
ODDINGTON 1600-1800 Any Mick Cooper
ODLEY 15:20 any Julia
OGBORN 1700- Shiplake,Binfield Heath Martin Langley
OGBORN <1900 Any Martin Langley
OGBOURN 1700- Shiplake,Binfield Heath Martin Langley
OGBOURNE 1700- Shiplake,Binfield Heath Martin Langley
OGBURN 1700- Shiplake,Binfield Heath Martin Langley
OGDEN 1994-1998 Charlbury Tom
OLDACRE Any Any Colin Wills
OLDAKER any any Alan Heard
OLDHAM 1956 Oxford Ms V A Oldham
OLDHAM 1956 Burford Ms V A Oldham
OLDS 1700 - 1900 Banbury, Adderbury Doreen Olds
OLIVER >1600 AllStonesfield, Finstock, Fawler, Glympton, Spelsbury, Woodstock, All Shane Bywaters
OLIVER <1680 Launton Donnette Smith
OLIVER <1900 Stonesfield Neil Thaler
OLLENBUTTEL Any Headington Patricia Murphy
OLLNEY >1066> Southern Oxford Nina L. Olney
OLNEI >1066> Southern Oxford Nina L. Olney
OLNEY >1066> Southern Oxford Nina L. Olney
ONG Any Any Helengrace Perez-Ong
ONION 1820 Yelford Chris Etheridge
ONLEY >1066> Southern Oxford Nina L. Olney
ONSLOW 1900's Banbury Sherry MacBeth Onslow
ORDWAY 1760 Deddington Donna Lonon
ORGAN Any Cowley Jill Muir
ORLEDGE Any Headington Jo Britten
ORMEROD 1860 -1900 jericho Jo Ormerod
ORPWOOD >1721 Bampton Linda Dutton
ORPWOOD Any Any Graham Orpwood
ORPWOOD 1600 - 1700 Bampton M J Young
ORPWOOD <1775 Bampton Pauline Kennedy
ORPWOOD <1850 Bampton Margaret Forbes
ORSBORN <1860 Ambrosden, Banbury, Hook Norton, Southam, Leamington G
ORSBOURN Any Chipping Norton Pat Armer
ORTON <1900 Any Paul Orton
OSBORN >1700s Chiselhampton; Stadhampton Jemma Hayward
OSBORN 1860-1908 Any Barbara I. Rowe
OSBORNE 1860-1908 Any Barbara I. Rowe
OSBORNE Any Any Deborah Osborne Dunmall
OSBURN 1860-1908 Any Barbara I. Rowe
OSMAN 1840 Oxford Dave Horn
OSMAN 1850 - 1900 Ipsden Richard Osman
OSMAN >1840 Oxford Ian Mullan
OSMOND 19C Bicester Gail Stevens
OSWICK >1900 Any Roy Oswick
OTWAY 1830 -1930 Woodstock John Bedwell
OVENALL Any Any Gary Ovenell
OVENDEN Any Garsington, Headington, Cowley Hilary
OVENDEN All Garsington Martyn Payne
OVENDON 1800-1900 Garsington James Booth
OVENELL >1860 Any Joan Challis
OVENELL Any Any Gary Ovenell
OVERALL Any Any Roy Overall
OVERNELL Any Any Gary Ovenell
OWEN 1840-1860 Barford/St. Michael Shirley Binnersley
OWEN 1500 - 1830 Any Raymond Byese
OWEN >1780 Chipping Norton Dafde
OWEN 1800-1900 banbury Heather Hudson
OWEN 1750 - 1900 Oxford Canal (South) Barrington John Owen
OWEN 1784-1849 Any Helen Potter
OWEN 1847-1893 Claydon Rosemary Probert
OWEN 1840 - 1900 Claydon Barbara M. Stokes
OXFORD 1800's Any Joanne
OXFORD 1850-1870 Any D. Culbert
OXFORD 1500-1600 unknown Pam Oxford Williams
OXLADE 1720 - 1890 Hambledon May Lanchbury
OXLADE Any Any Susan M. Rogers
OYLY >1066> Southern Oxford Nina L. Olney