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'connor (1)
3. O'dell (1)
4. Oakden (4)
5. Oakes (5)
6. OAKLEY (5)
7. OAKS (1)
8. Oatley (2)
9. O’Brien (4)
10. O’Connell (2)
11. O’Dell (7)
12. O’Dickey (8)
13. O’Donnell (1)
14. O’Kelly (1)
15. O’Neil (4)
16. O’Shaughnessy (1)
17. Oberholtzer (595)
18. Oberholzer (13)
19. Oborn (6)
20. Ochs (2)
21. Odding (1)
22. Odell (4)
23. Odum (3)
   24. Oedewaldt (1)
25. Oehlert (1)
26. Oesh (1)
27. Of Mariet (1)
28. Of Norwich (1)
29. Of Wellington (1)
30. Off (1)
31. Of_hereford (1)
32. Of_moray (1)
33. Of_scotland (1)
34. Of_winchester (1)
35. Ogilvie (1)
36. Ogleby (1)
37. Ohl (1)
38. Ohlemacher (2)
39. Oldenburg (2)
40. Oldershaw (1)
41. Oldfield (2)
42. Olds (5)
43. Oldsdatter (1)
44. Ole (1)
45. Olerio (2)
46. Olesdatter (1)
   47. Olesen (4)
48. OLESON (1)
49. OLIN (6)
50. OLIVE (2)
51. Oliver (5)
52. Olives (7)
53. Olmedo (1)
54. Olmstead (8)
55. OLNEY (6)
56. Olpin (12)
57. Olsdatter (Pedersen) (1)
58. Olsdatter (Peterson) (1)
59. Olsen (13)
60. Olsen (Pedersen) (1)
61. Olsen (Petersen) (1)
62. Olson (1)
63. Oltman (1)
64. Onderdonk (2)
65. Op De Graeff (2)
66. Op Den Graeff (2)
67. Opdegraf (3)
68. Opedycke (1)
69. Oppliger (1)
   70. Opplinger (2)
71. ORAHOSKE (2)
72. Oram (2)
73. Orcutt (1)
74. Orem (3)
75. Orgill (5)
76. Ormerod (2)
77. Orner (1)
78. Orosvenor (1)
79. Orton (4)
80. Orum (1)
81. Orville (1)
82. Osborn (13)
83. Osborne (7)
84. Osguthorpe (1)
85. Osman (1)
86. Osmon (4)
87. Osterkamp (1)
88. Oswald (1)
89. Otis (1)
90. Otmiller (1)
91. Ott (1)
92. Ottinger (2)
   93. Otto (1)
94. Ouldham (2)
95. Ousley (1)
96. Outcalt (3)
97. Outman (1)
98. Outwater (1)
99. Oval (6)
100. Over (1)
101. Overdorf (2)
102. Overholt (50)
103. Overholtzer) (1)
104. Overleas (1)
105. Overpeck (2)
106. Overstreet (2)
107. Ovesen Mork (1)
108. Oviatt (11)
109. Ovitt (1)
110. Owen (82)
111. Owens (13)
112. Owings (1)
113. Oysterbanks (1)

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