Sites in which the primary focus is the etymology of the surname and its variants, a one-name study or organization, relevant genealogy, or an associated family history.
O'Callaghan
Family database as compiled by Eamonn O'Callaghan.
O'Callaghan Family
Researching the lineage of Laguna Beach, CA USA; compiled by Irene O'Callaghan.
[Splat Letter O]
Last update:
March 26, 2015 at 1:13:59 UTC
Society
Sports
All Languages
Arts
Business
Computers
Games
Health
Home
News
Recreation
Reference
Regional
Science
Shopping