Letter "O" Surnames

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June Ferguson to Adam Genealogy
by June Ferguson

Letter "O" Surnames

524 Individuals

List By Surname: Unknown A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

O'Brian (1)
O'Brien (4)
O'Callaghan (1)
O'Connell (3)
O'Conner (2)
O'Connor (2)
O'Dear (1)
O'Flaherty (2)
O'Hagen (1)
O'Halloran (1)
O'Mailia (26)
O'Neal (1)
O'Neill (1)
O'Rork (1)
O'Rourke (1)
O'Sullivan (4)
O'Toole (1)
Oakes (2)
Oakley (6)
Obadiah (3)
Obaid (1)
Obear (1)
Obed (3)
Obotrites (3)
Octern (Edeyrn\Edern or Aetern) (1)
Octha (1)
Oda (3)
Oddingeselels (1)
Odell (1)
Odiorne (2)
Odlin (4)
Odom (1)
Oesc (1)
Oese (1)
Oettingen (4)
Oettingen Katzensteini (2)
Offa (1)
Offield (1)
Offing (1)
Offley (4)
Oghaman (1)
Ogilvie (1)
Ogilvy (4)
Ogle (3)
Oglesby (1)
Ohad (1)
Ohel (1)
Ohningen or Oeningen (1)
Olaf (5)
Olaf "the White" (1)
Olaf Geirstada-alf (1)
Olafsson (1)
Olbreuse (2)
Olchaoin (1)
Oldenburg (1)
Oldham (1)
Oldsdotter (1)
Olivana (1)
Olive (1)
Olive of Tuxford & Sharrington (1)
Oliver (17)
Ollo (1)
Olmstead (54)
Olmsted (7)
Olomouc (3)
Olsen (36)
Olson (11)
Olthan (1)
Omar (4)
Omeya (1)
Omir (1)
Omri (2)
Onam (2)
Onan (1)
Oneca Fortun (1)
Ongal (1)
Onias I (1)
Onwedd (1)
Onwedd, (Onmum, Ouman, (1)
Opher (1)
Ophir (1)
Ora (1)
Orabella (1)
Orange (3)
Orbell (1)
Orbeton (2)
Orcutt (5)
Ordogno I (1)
Ordogno II (1)
Ordogno III (1)
Ordono II (1)
Ordway (17)
Oren (1)
Orff (1)
Orgill (1)
Orkney (36)
Orlaith (1)
Orleans (16)
Orleans & Valois (1)
Orleans Angouleme (1)
Orm (1)
Orpah (1)
Orr (7)
Orsvinda (1)
Ortiz (2)
Osborn (3)
Osborne (14)
Osburh (1)
Osfird (1)
Osgood (14)
Oslac (1)
Osman (1)
Ossinger (1)
Osstersser (1)
Osuta (1)
Oteneis (1)
Othniel (1)
Otis (28)
Ott (2)
Otto (2)
Otto III (1)
Otto III Billung (Ordulf) (1)
Otto IV (1)
Oudicant (Oudecant or Euddigan, (1)
Oudoleum (Eudelen\Endolen) (1)
Outigrim (Outigar, Eudeyrn, (1)
Ovei (1)
Overby (1)
Owain (4)
Owain ab Edwyn (1)
Owain ap Hywel (1)
Owain Fawr, Gwyned I (1)
Owen (51)
Owens (1)
Ozem (2)