Surname List: Begins with O


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

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1. O' ROURKE (1)
2. O'BRIEN (5)
3. O'BRIEN OR WELLMAN (1)
4. O'CONNOR (7)
5. O'DELL (1)
6. O'DONNELL (11)
7. O'DONOVAN (2)
8. O'FLAHERTY (6)
9. O'GRADY (2)
10. O'JON (2)
11. O'KEEFFE (2)
12. O'LEARY (10)
13. O'LOUGHLIN (1)
14. O'MAHONY (1)
15. O'MALLEY (3)
16. O'MARA (1)
17. O'MARRA (1)
18. O'NEILL (15)
19. O'REILLY (5)
20. O'SHEA (1)
21. O'SULLIVAN (4)
22. O'TOOLE (2)
23. OAKDEN (1)
24. OAKENFULL (5)
25. OAKES (1)
26. OAKHILL (1)
27. OAKLAND (1)
28. OAKLEY (4)
   29. OAT (1)
30. OATEN (2)
31. OATES (8)
32. OATLEY (1)
33. OATS (2)
34. OBBARD (1)
35. OBRIEN (1)
36. OBRYEN (2)
37. ODDY (1)
38. ODELL (3)
39. ODGER (1)
40. ODGERS (2)
41. ODUBANJO (2)
42. ODURO (1)
43. OFFER (4)
44. OFFICER (1)
45. OFFILER (3)
46. OFFLEY (1)
47. OFFOR (2)
48. OFFORD (1)
49. OGDEN (7)
50. OGILVIE (2)
51. OGILVY (5)
52. OGLESBY (2)
53. OJO (1)
54. OKENFALL (1)
55. OKIN (1)
56. OKORIE (1)
   57. OLD (1)
58. OLDEA (1)
59. OLDER (5)
60. OLDERSHAW (2)
61. OLDFIELD (8)
62. OLDHAM (4)
63. OLDING (4)
64. OLDRIDGE (2)
65. OLDROYD (1)
66. OLECH (1)
67. OLIVER (28)
68. OLIVER-JONES (1)
69. OLIVERSAMSON (1)
70. OLLDICH (1)
71. OLLETT (1)
72. OLLEY (1)
73. OLLIFFE (3)
74. OLLIVER (1)
75. OLUGU (1)
76. OLVER (1)
77. OLWELL (1)
78. OMALLEY (1)
79. OMOREGIE (2)
80. OMOTAYO (1)
81. ONBERTSON (1)
82. ONEBY (1)
83. ONGLIS (3)
84. ONIONS (1)
   85. ONSLOW (1)
86. OPPE (1)
87. ORAM (5)
88. ORANGE (1)
89. ORCHARD (2)
90. ORD (2)
91. OREILLY (1)
92. ORFORD (6)
93. ORGAN (2)
94. ORGILL (1)
95. ORMAROD (1)
96. ORMOND (2)
97. ORMROD (3)
98. ORMROD NEE HOLKER (1)
99. ORPETH (7)
100. ORR (18)
101. ORRELL (1)
102. ORRINGE (1)
103. OSBALDSTONE (1)
104. OSBORN (6)
105. OSBORNE (11)
106. OSBOURN (1)
107. OSHEA (1)
108. OSMAN (1)
109. OST (5)
110. OSTICK (2)
111. OSTLE (1)
112. OSWALD (3)
   113. OSWELL (1)
114. OTANO (3)
115. OTFIZ (1)
116. OTI (3)
117. OTTER (1)
118. OTTEY (1)
119. OTTWAY (1)
120. OUGHTIBRIDGE (1)
121. OULD (1)
122. OULET (2)
123. OUSLOW (1)
124. OUTHWAITE (3)
125. OVEL (2)
126. OVER (1)
127. OVERALL (2)
128. OVEREND (6)
129. OVERLAND (1)
130. OWEN (17)
131. OWENS (3)
132. OWERS (6)
133. OWUSU-GYAMERA (1)
134. OXBOROUGH (1)
135. OXLADE (2)
136. OXLEY (10)
137. OYLER (1)
138. OYLETT (1)
139. OZZARD (2)