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Surname List: Begins with O


All surnames beginning with O, sorted alphabetically (total individuals):

Click on a surname to show matching records.   Main surname page  |  Show all surnames

1. O'Brian (1)
2. O'Brien (17)
3. O'Callaghan (1)
4. O'Connor (12)
5. O'Dee (1)
6. O'Donnell (5)
7. O'Flaherty (1)
8. O'Grady (1)
9. O'Hara (1)
10. O'Kane (3)
11. O'Keefe (1)
12. O'Keeffe (1)
13. O'Neill (3)
14. O'Reardon (1)
15. O'Rourke (1)
16. O'Shea (2)
17. O'Sullivan (1)
18. O'Toole (1)
19. Oakes (6)
20. Oakey (1)
21. Oakley (12)
22. Oakman (1)
23. Oates (3)
24. Oatley (5)
25. Obbard (11)
26. Ockwell (2)
27. Oddie (1)
   28. Oddy (1)
29. Odell (2)
30. Odlum (1)
31. Ody (1)
32. Oehlert (1)
33. Oelberg (1)
34. Offley (2)
35. Ogan (1)
36. Ogborn (1)
37. Ogden (6)
38. Ohrlund (1)
39. Ohronon (1)
40. Ohrtgies (1)
41. Okes (1)
42. Okewood (1)
43. Oki (1)
44. Old (14)
45. Olden (1)
46. Oldfield (14)
47. Oldham (1)
48. Oldridge (5)
49. Olds (2)
50. Oldsage (1)
51. Oles (2)
52. Oliphant (9)
53. Oliver (37)
54. Olives (1)
   55. Ollard (1)
56. Ollett (1)
57. Olley (1)
58. Ollie (1)
59. Olliff (1)
60. Olliffe (4)
61. Olney (1)
62. Olsen (9)
63. Olson (1)
64. Olsovinek (1)
65. Olsson (1)
66. Olver (1)
67. Onion (1)
68. Onions (5)
69. Openshaw (1)
70. Oram (2)
71. Orchard (15)
72. Orcutt (1)
73. Ord (2)
74. Orender (3)
75. Orendorf (1)
76. Orford (1)
77. Orgles (2)
78. Orman (1)
79. Orme (1)
80. Ormesher (1)
81. Ormston (2)
   82. Orphin (1)
83. Orr (1)
84. Orrell (1)
85. Orrow (1)
86. Orsini (2)
87. Orton (2)
88. Orts (1)
89. Orwin (3)
90. Osborn (4)
91. Osborne (40)
92. Oscroft (1)
93. Osgood (3)
94. Osman (8)
95. Osmond (1)
96. Ostle (1)
97. Ostrander (2)
98. Ostrom (1)
99. Oswald (2)
100. Oswick (4)
101. Oswold (1)
102. Otis (1)
103. Ottaway (1)
104. Ottignon (10)
105. Ottley (1)
106. Otwell (1)
107. Oudot (1)
108. Oughton (1)
   109. Ould (2)
110. Oulton (1)
111. Ousby (1)
112. Ousley (1)
113. Outlaw (1)
114. Outram (1)
115. Outz (1)
116. Ovenden (2)
117. Ovenell (1)
118. Ovens (2)
119. Over (2)
120. Overbury (1)
121. Overnell (4)
122. Overton (13)
123. Overy (2)
124. Ovnell (1)
125. Owen (32)
126. Owen-Smith (1)
127. Owens (1)
128. Owles (1)
129. Oxby (1)
130. Oxford (1)
131. Oxlade (3)
132. Oxley (7)
133. Oxtoby (1)
134. Oyston (1)