Sign In
O - O'Shea
Most Comon Surname in this Range: O'Brien
O’Brien is a surname of Ireland origin that was used by many high leaders, including the High King of Ireland. The first recorded spelling of this surnames dates back to 1055 in the Annals of the Four Masters during the reign of the High Kings of Ireland. This name is likely derived from the Gaelic “O Briain,” or “descendant of Brian.” The element “bre” also means “hill.”
Click your family's surname below:
- O
- O'Banion
- O'Bannon
- O'Bar
- O'Barr
- O'Bear
- O'Beirne
- O'Berry
- O'Boyle
- O'Brian
- O'Briant
- O'Brien
- O'Brion
- O'Bryan
- O'Bryant
- O'Bryon
- O'Byrne
- O'Cain
- O'Callaghan
- O'Callahan
- O'Carroll
- O'Connell
- O'Conner
- O'Connor
- O'Conor
- O'Daniel
- O'Day
- O'Dea
- O'Dean
- O'Doherty
- O'Donald
- O'Donnel
- O'Donnell
- O'Donoghue
