Surname List: Begins with O
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All surnames beginning with O, sorted alphabetically (total individuals):
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1. O Daniel (1) 2. O'Bannon (3) 3. O'Brian (1) 4. O'Brien (9) 5. O'Brient (1) 6. O'Bryan (5) 7. O'Bryant (1) 8. O'Callaghan (1) 9. O'Conner (2) 10. O'Connor (3) 11. O'Daniel (3) 12. O'Dell (9) 13. O'Diam (2) 14. O'Donahoe (1) 15. O'Hair (2) 16. O'Halloran (1) 17. O'Hare (1) 18. O'Harrah (2) 19. O'Hearn (1) 20. O'Mara (1) 21. O'Meara (1) 22. O'Neal (13) 23. O'Neil (1) 24. O'Neil Ison (1) 25. O'Neill (1) 26. O'Quin (5) 27. O'Quinn (21) 28. O'Reilly (1) 29. O'Riley (2) 30. O'Roark (2) 31. O'Rourk (1) 32. O'Rourke (1) 33. O'Sullivan (3) 34. O'Toole (3) 35. Oakes (19) 36. Oakley (13) |
37. Oaks (33) 38. Oare (1) 39. Oates (1) 40. Oaves (1) 41. Obenchain (1) 42. Ober (2) 43. Ocher (1) 44. Ochmon (1) 45. Ochoa (1) 46. Odel (1) 47. Odell (3) 48. Oder (1) 49. Odett (1) 50. Odle (6) 51. Odom (5) 52. Odum (12) 53. Oeley (1) 54. Offill (7) 55. Ogan (4) 56. Ogden (10) 57. Ogelvie (4) 58. Ogilvie (3) 59. Ogle (5) 60. Oglesbay (1) 61. Oglesby (9) 62. Ohdrech (1) 63. Ohlert (1) 64. Ohlinger (1) 65. Oie (1) 66. Oiler (1) 67. Oishi (1) 68. Ok (1) 69. Okopinski (1) 70. Okulich (2) 71. Olar (1) 72. Old (3) |
73. Oldfield (13) 74. Oldfields (1) 75. Oldham (10) 76. Olds (2) 77. Olinger (112) 78. Olive (1) 79. Oliver (43) 80. Oller (1) 81. Ollis (2) 82. Olmstad (1) 83. Olsdatter (1) 84. Olson (4) 85. Olvey (1) 86. Omensen (1) 87. Omsty (1) 88. Oney (71) 89. Onsted (1) 90. Onstott (1) 91. Ooley (1) 92. Ooten (9) 93. Opie (1) 94. Orcutt (1) 95. Ord (1) 96. Ore (1) 97. Orender (21) 98. Orendorff (1) 99. Orfield (21) 100. Orgill (1) 101. Oris (1) 102. Orlander (1) 103. Orman (2) 104. Orme (2) 105. Ormsbee (1) 106. Ormsby (1) 107. Ornduff (16) 108. Orr (16) |
109. Orredge (1) 110. Orrell (1) 111. Orrender (5) 112. Orsgel (1) 113. Orson (2) 114. Orton (2) 115. Osborn (206) 116. Osborne (855) 117. Osborne Stewart (1) 118. Osbourn (2) 119. Osbourne (6) 120. Osbuon (1) 121. Osburn (11) 122. Osenton (1) 123. Osentowski (3) 124. Oslin (1) 125. Osney (1) 126. Osofsky (1) 127. Osolnik (1) 128. Osowsky (1) 129. Ostberg (1) 130. Oster (1) 131. Osterman (1) 132. Ostermayer (1) 133. Ostrander (1) 134. Oswald (3) 135. Otey (2) 136. Otleman (1) 137. Ott (11) 138. Otten (1) 139. Ottey (1) 140. Ould (3) 141. Ours (1) 142. Oursler (1) 143. Ousley (23) 144. Ousnamer (1) |
145. Outlaw (2) 146. Ovbay (1) 147. Over (1) 148. Overacre (1) 149. Overall (1) 150. Overbay (1) 151. Overbee (1) 152. Overbey (1) 153. Overby (2) 154. Overdorf (1) 155. Overfelt (4) 156. Overholt (2) 157. Overholzer (1) 158. Overly (1) 159. Overmeyer (1) 160. Overstreat (1) 161. Overstreet (5) 162. Overton (9) 163. Overturf (1) 164. Owen (62) 165. Owen-Nantz (1) 166. Owenby (1) 167. Owens (595) 168. Owings (1) 169. Ownbey (1) 170. Owsley (15) 171. Oxendine (2) 172. Oxford (9) 173. Oxier (1) 174. Oxley (3) 175. Oyler (6) 176. Ozee (1) |