Research Specialties
Try our new website
World  professional researchersWorld researchers
Europe professional researchers Europe researchers
United Kingdom of Great Britain & Northern Ireland professional researchers UK researchers
United States of America professional researchers USA researchers
Research specialties
Products & Translation
Professional members
travel, archive research
Family record lookups
Create a family project
Specialty combinations
Maps of Genealogists
expertGenealogy home
Info for professionals
Genealogy Resources
Genealogy Databases
Surname Meanings
Family history search
AA Increase Text Size
eXpertGenealogy links
Websites for research
Bookmark to Favorites

Bookmark and Share

Follow on Twitter Become a Facebook Fan
Team Approach Limited
©2003-2015 Team
Approach Limited

All rights reserved


Family Crests A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  Y  Z 

Other O Surnames Family History Resources

Surnames, their origin and their meaning

Many surnames are associated with the place/locality of where the family lived and in those cases the location is noted as the meaning.
Many surnames are associated with the occupation of the person given the name. is a directory of Professional Genealogists, Ancestry and Family Tree Researchers.

Surname Origin Meaning
OBierne Surname descendants of Byrne
OBoyle Surname Baoighill
OBrien Surname descendant of Brien
OByrne Surname descendants of Bran
OConnor Surname descendants of Conor
OConor Surname descendants of Conor
ODevlin Surname descendant of Develin
ODonnell Surname descendants of Donal
ODonoghue Surname descendants of Donogh
ODonovan Surname descendants of Donovan
ODorcy Surname descendant of Dorcy
ODougherty Surname chief of the oak habitation
ODugan Surname descendant of Dugan
OFlaherty Surname descendant of Flaherty
OGowan Surname descendant of Gowan
OHara Surname descendant of Hara
OKeefe Surname descendant of Kief
OLeary Surname descendant of Lary
Olifant Surname An elephant
Oliver Surname from the olive-tree
OMahony Surname descendant of Mahon
OMalley Surname descendant of Malley
ONeil Surname descendants of Neil
OQuin Surname descendants of Con Ceadcaha
Ormsby Surname a place surrounded by elms
OToole Surname descendants of Tuathal

Questions about the services at be directed to


Family History Researchers