Surname List: Begins with O
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All surnames beginning with O, sorted alphabetically (total individuals):
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1. O' Brien (1) 2. O'Bannon (3) 3. O'Brian (1) 4. O'Briant (1) 5. O'Brien (11) 6. O'Byrne (4) 7. O'Connell (3) 8. O'Connor (1) 9. O'Day (4) 10. O'Donnell (2) 11. O'Grady (4) 12. O'Hair (1) 13. O'Hanlon (1) 14. O'Kelly (2) 15. O'Leary (2) 16. O'Lexey (1) 17. O'Linger (1) 18. O'Neal (12) 19. O'Neill (1) 20. O'Reilly (1) 21. Oakes (7) 22. Oakley (1) 23. Oates (1) 24. Obensham (1) 25. Ode (1) |
26. Odell (1) 27. Oden (1) 28. Odham (3) 29. Odle (1) 30. Odum (1) 31. of Maine (1) 32. Of Scotland (1) 33. Ofallen (1) 34. Offall (1) 35. Ogden (2) 36. Ogeron (5) 37. Ogg (1) 38. Ogilvie (3) 39. Ogilvy (1) 40. Ogle (1) 41. Oglesby (2) 42. Oglivie (1) 43. Ohair (1) 44. Ohlson (6) 45. Ohman (8) 46. Okitsu (1) 47. Olafsdatter (1) 48. Oldaker (1) 49. Oldfield (4) 50. Oldham (3) |
51. Olds (3) 52. Olen (1) 53. Oleson (1) 54. Oliger (8) 55. Olinger (1) 56. Oliver (10) 57. Olliff (10) 58. Ollman (4) 59. Olmstead (6) 60. Olsen (5) 61. Olson (8) 62. Oman (1) 63. Oment (1) 64. ONeil (1) 65. Onesi (1) 66. Opal (1) 67. Oram (1) 68. Orcutt (1) 69. Ordahl (1) 70. Orlando (1) 71. Ormand (1) 72. Ormiston (1) 73. Ornduff (1) 74. Orne (2) 75. Orphan (1) |
76. Orr (17) 77. Orrok (4) 78. Orta (1) 79. Ortego (1) 80. Orth (2) 81. Ortigo (8) 82. Orto (1) 83. Orvis (1) 84. Orwig (1) 85. Osborn (12) 86. Osborne (7) 87. Osemore (3) 88. Osgood (18) 89. Oshman (1) 90. Osler (1) 91. Osmer (1) 92. Ost (2) 93. Ostaggi (1) 94. Oster (1) 95. Osterburg (1) 96. Osterloo (1) 97. Osterman (1) 98. Oswald (1) 99. Otho (1) 100. Otis (2) |
101. Ott (17) 102. Ottaway (2) 103. Otten (10) 104. Otto (2) 105. Otts (1) 106. Ouderkirk (35) 107. Ousterbought (1) 108. Out) (1) 109. Outland (1) 110. Overman (1) 111. Overmyer (1) 112. Overs (3) 113. Overstreet (7) 114. Overton (4) 115. Owen (47) 116. Owens (23) 117. Oxby (1) 118. Oxenride (1) 119. Oxenrider (2) 120. Oxford (4) 121. Oxley (53) 122. Oyer (12) |