Surname List: Begins with O
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All surnames beginning with O, sorted alphabetically (total individuals):
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1. O (1) 2. O Brien (3) 3. O'Banion (1) 4. O'Bannon (3) 5. O'Briant (1) 6. O'Brien (15) 7. O'Bryan (2) 8. O'Bryant (1) 9. O'Byrne (1) 10. O'Carrol (1) 11. O'Cathan (2) 12. O'Connell (8) 13. O'Conner (1) 14. O'Connor (4) 15. O'Connors (1) 16. O'Daniel (3) 17. O'Day (4) 18. O'Dell (4) 19. O'Donley (2) 20. O'Donnell (4) 21. O'Donoghue (1) 22. O'Grady (1) 23. O'Guinn (1) 24. O'Hair (1) 25. O'Hanlon (1) 26. O'Hara (1) 27. O'Hearn (1) 28. O'Holeran Pritchard (1) 29. O'Kelly (2) 30. O'Malley (1) 31. O'Mara (3) 32. O'Neal (14) 33. O'Neil (2) 34. O'Neill (2) 35. O'Neille (1) 36. O'Rear (2) 37. O'Rourke (2) 38. O'Steen (1) 39. O'Sullivan (1) 40. Oakes (6) 41. Oakes Lawrence (1) 42. Oakley (17) 43. Oates (3) |
44. Obama (1) 45. Obenshain (1) 46. Oberholser (1) 47. Oberholtzer (3) 48. Oberlander (1) 49. Oberle (1) 50. Obermire (1) 51. Obley (1) 52. Obrien (1) 53. Ocheltree (1) 54. Ocher (1) 55. Ochsenbein (1) 56. Odaniel (1) 57. Oday (1) 58. Odell (3) 59. Oden (2) 60. Odham (1) 61. Odle (1) 62. Odom (6) 63. Odor (1) 64. Odum (1) 65. Oehler (5) 66. Of Leinster (2) 67. of Maine (2) 68. of Mar (1) 69. Of Mercia (2) 70. Of Scotland (7) 71. Of Wessex (1) 72. Ogden (4) 73. Ogg (2) 74. Ogilvy (10) 75. Ogle (24) 76. Oglesby (5) 77. Ogletree (3) 78. Ohair (1) 79. Ohlson (1) 80. Ohlsson (1) 81. Ohman (1) 82. Ohmart (2) 83. Olafsdatter (4) 84. Olafsson (2) 85. Olarrea (1) 86. Oldaker (1) |
87. Oldenburg (12) 88. Oldfield (1) 89. Oldham (7) 90. Oldman (1) 91. Oldring (1) 92. Olds (3) 93. Olen (1) 94. Olfers (1) 95. Olham (1) 96. Olhausen (1) 97. Oliger (2) 98. Olinger (1) 99. Olio (1) 100. Oliphant (9) 101. Olive (2) 102. Oliver (32) 103. Ollis (4) 104. Olmstead (6) 105. Olmsted (5) 106. Olofsdotter (1) 107. Olsen (3) 108. Olson (8) 109. Oman (2) 110. Omer (1) 111. Omohundro (2) 112. Oncale (1) 113. Oneal (2) 114. Onesi (1) 115. Oney (6) 116. Ong (1) 117. Only (1) 118. Onstott (2) 119. Opdyke (1) 120. Oram (1) 121. Orander (1) 122. Orange (4) 123. Orboda (1) 124. Orcutt (1) 125. Orem (2) 126. Orgain (1) 127. Orkney (2) 128. Orlean (1) 129. Orman (2) |
130. Ormand (2) 131. Orme (1) 132. Ormiston (1) 133. Ormond (1) 134. Ormondie (1) 135. Ormsby (5) 136. Ornduff (1) 137. Orne (2) 138. Orona (1) 139. Orr (384) 140. Orrick (2) 141. Orser (1) 142. Orsik (1) 143. Ortagus (1) 144. Orth (1) 145. Orto (1) 146. Orton (1) 147. Osborn (33) 148. Osborn White (1) 149. Osborne (57) 150. Osburn (26) 151. Osgood (2) 152. Oshman (1) 153. Oslac (1) 154. Osler (3) 155. Osmer (1) 156. Osmon (2) 157. Osmun (1) 158. Ossory (4) 159. Ostaggi (1) 160. Osteen (9) 161. Ostenberg (2) 162. Oster (3) 163. Osterburg (1) 164. Osterloo (1) 165. Osterstock (1) 166. Ostrom (1) 167. Oswald (6) 168. Oswalt (19) 169. Otero Marrero (1) 170. Otis (1) 171. Otlipp (1) 172. Otstot (1) |
173. Ott (20) 174. Ottarsson (2) 175. Otto (5) 176. Otts (1) 177. Otwell (1) 178. Ouderkirk (1) 179. Oulton (1) 180. Ours (1) 181. Ousley (1) 182. Ousterbought (1) 183. Outland (4) 184. Outlaw (1) 185. Outten (3) 186. Overall (3) 187. Overbay (1) 188. Overby (3) 189. Overcash (27) 190. Overholt (1) 191. Overman (3) 192. Overstreet (19) 193. Overton (2) 194. Oves (1) 195. Ovitt (1) 196. Owen (38) 197. Owenby (3) 198. Owens (48) 199. Owins (1) 200. Ownes (2) 201. Oxby (1) 202. Oxer (1) 203. Oxford (5) 204. Oxley (5) 205. Oyer (1) 206. Oylear (2) 207. Oyler (3) 208. Oyster (1) 209. Ozenbaugh (1) 210. Ozias (2) 211. Ozment (5) |