Surname index
Surnames beginning with O
105 family names in the archive. Names with three or more records link to a dedicated surname page; the rest link straight to their records.
Surnames with dedicated pages
- Oakerson (3)
- OAKES (9)
- OATWAY (4)
- O'Brien (20)
- O'Callahan (7)
- O'Connor (9)
- OFFER (14)
- Ogden (4)
- Ogle (20)
- O'Grady (4)
- O'Hara (9)
- O'Hare (13)
- O'Leary (3)
- OLIVER (13)
- OLSEN (4)
- O'MEARA (3)
- O Neal (4)
- O'Neil (4)
- O'Neill (21)
- OPIE (3)
- Ordway (12)
- O'Reilly (3)
- Orr (5)
- Orwig (6)
- Osborn (3)
- Osborne (11)
- Osburn (4)
- Osgood (7)
- O'Shea (15)
- Ostrander (3)
- O'toole (12)
- Ott (3)
- Ottaway (3)
- Otto (3)
- Overton (4)
- OWEN (32)
- Owens (8)
- OXLEY (4)
Also in the archive
Names with one or two records — each link opens the record itself.
- Oakley [1][2]
- OATES [1]
- Obold [1]
- O' Byran [1]
- O'Connell [1]
- O'Conner [1]
- Odam [1]
- ODELL [1]
- Odom [1]
- O, Donhoe [1]
- O'Donnell [1]
- O'Donoghue [1]
- O"Donohooe [1]
- O'Drowsky [?] [1]
- Oettel [1]
- Ofeffer [1]
- O Ferrel [1]
- Officer [1]
- Offley [1]
- O'Flaherty [1]
- Ogee [1]
- Ogilvy [1]
- O'Halloran [1]
- Ohio [1]
- O'Keefe [1][2]
- Okey [1]
- Oldehouse [1]
- ?oldron [1]
- Old Soldier [1]
- OLIVE [1]
- ?oll [1]
- Ollett [1]
- Olmsted [1]
- Olney [1]
- O'Mara [1]
- Ombler [1]
- O'Merara [1]
- O'Mone [1]
- O'Neile [1]
- O Neill Oscar E [1]
- Ooton [1]
- O'RIELLY [1]
- Orlebar [1]
- ORME [1]
- Ormer [1]
- Ormsbee [1]
- Orndorff [1]
- O' Rorke [1]
- O'Rourk [1]
- Orourke [1]
- Orwday [1]
- Orylybar [1]
- Osbrone [1]
- Osier [1]
- Oskisin [1]
- OSLER [1]
- Ostner [1]
- Othen [1]
- Otis [1]
- Ott George [1]
- Ottjes [1]
- Otway [1]
- Ough [1]
- Oulton [1]
- OVERDALE [1]
- OXENHAM [1]
- OXNER [1]