Surname List: Begins with O: GenMayle.com

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

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1. O DELL (1)
2. O' GOFFNEY (1)
3. O' NEIL (1)
4. O'BAGY (1)
5. O'BRAENAIN (1)
6. O'BRIAN (1)
7. O'BRIEN (4)
8. O'BYRNE (1)
9. O'CONNELL (1)
10. O'CONNOR (1)
11. O'HARA (2)
12. O'HERON (1)
13. O'HOAR (1)
14. O'KEEFE (3)
15. O'LEARY (3)
16. O'LOUGHLIN (1)
17. O'MALLEY (1)
18. O'NEAL (2)
19. O'NEIL (2)
20. O'TOOLE (10)
21. OAKDEN (6)
22. OAKES (2)
23. OAKEY (1)
24. OAKLEY (3)
25. OAKS (2)
26. OATES (1)
27. OATHOUT (1)
28. OATTES (3)
29. OBER ISAR (1)
30. OBERENDER (3)
31. OBERLIN (3)
32. OBERLOTHRINGEN (1)
33. OBERRHEINGAU-THORGAU (1)
34. OBOTRITES (16)
35. OCAMB (1)
36. OCKANDER (2)
37. ODA (1)
38. ODELL (1)
39. ODGEN (1)
40. ODIN ( WODEN) (1)
41. ODINGSELS (1)
42. ODINSSON (3)

43. ODO (2)
44. ODOM (2)
45. ODORIZIE (1)
46. OELAND (3)
47. OEN (1)
48. OENINGEN (2)
49. OEREN (1)
50. OFEIGSSON (1)
51. OFFUTT (1)
52. OGDEN (6)
53. OGLESBY (2)
54. OHIO (1)
55. OHL (11)
56. OHNINGEN (5)
57. OILLY (1)
58. OISELEUR (1)
59. OKESTON (3)
60. OLAFSDATTER (2)
61. OLAFSDATTER OF NORWAY (1)
62. OLAFSDOTTER (1)
63. OLAFSSON (11)
64. OLD SAXONY (1)
65. OLDAKER (6)
66. OLDFATHER (1)
67. OLDFIELD (6)
68. OLDHAM (16)
69. OLDROYD (24)
70. OLDS (2)
71. OLEND (1)
72. OLES (4)
73. OLESDATTER (1)
74. OLESEN (11)
75. OLESEN OR RAVNSHOLT (1)
76. OLESON (1)
77. OLGAARD (1)
78. OLIEKAN (4)
79. OLIFANT (1)
80. OLIVER (27)
81. OLIVER- TEPAKEYAH (1)
82. OLIVERIUS (1)
83. OLIVIER (1)
84. OLLERTON (5)

85. OLLIE (1)
86. OLLIE OR ALLEY (2)
87. OLLILA (1)
88. OLMEDA (1)
89. OLMICCIA (1)
90. OLMSTEAD (1)
91. OLMSTEED (1)
92. OLNEY (8)
93. OLOFSSON (6)
94. OLPIN (3)
95. OLSDATTER (1)
96. OLSEN (117)
97. OLSEN OR UNGERMANN (1)
98. OLSEN STOLWORTHY (1)
99. OLSON (53)
100. OLSON (OLSEN) (1)
101. OLSSON (9)
102. OLUFSEN (14)
103. OLVASON (2)
104. OLVERSSON (3)
105. OMAN (29)
106. ONINGEN (1)
107. ONION (12)
108. ONSTAD (1)
109. ONTRIVERS (1)
110. ONUND (1)
111. OOTHOUDT (9)
112. OPLAENDINGE (1)
113. OPP (1)
114. OR HARSNETT (2)
115. ORCHARD (2)
116. ORCUTT (1)
117. ORDGAR (1)
118. ORDRAD (1)
119. ORDWAY (4)
120. OREGUEN (1)
121. ORGILL (1)
122. ORI (1)
123. ORIEL (1)
124. ORIO (1)
125. ORION (1)
126. ORKINS (1)

127. ORKNEY (7)
128. ORLEANS (3)
129. ORMAN (4)
130. ORMANDY (10)
131. ORME (1)
132. ORMINSKI (1)
133. ORMISTON (3)
134. ORMSBY (22)
135. ORNDORFF (1)
136. ORNELAS (1)
137. ORONO (1)
138. ORQUIST (1)
139. ORR (4)
140. ORRALL (1)
141. ORREBY (2)
142. ORSEOLO (2)
143. ORTHWEIN (4)
144. ORTON (5)
145. ORVAL (4)
146. ORVICE (2)
147. ORVYCE (1)
148. ORWAY (3)
149. ORY (1)
150. OSBALDESTON (1)
151. OSBERT (2)
152. OSBORN (15)
153. OSBORNE (28)
154. OSBOURNE (1)
155. OSBURN (1)
156. OSGOOD (2)
157. OSLAND (4)
158. OSMUND (2)
159. OSORA (5)
160. OSSARY (1)
161. OSSORY (1)
162. OSTER (1)
163. OSTERMAN (1)
164. OSTERVANT (1)
165. OSTLER (8)
166. OSTLUND (2)
167. OSTMARK (2)
168. OSTRANDER (1)

169. OSTRUM (1)
170. OSWALD (2)
171. OSWALT (1)
172. OTEY (1)
173. OTHER (1)
174. OTIS (59)
175. OTTARSSON (1)
176. OTTEN (1)
177. OTTERMAN (1)
178. OTTERSTROM (1)
179. OTTESEN (1)
180. OTTO (2)
181. OTTOSEN (24)
182. OTTOSON (1)
183. OUELETTE (1)
184. OUILLY (2)
185. OULTON (1)
186. OURRI (1)
187. OVARD (1)
188. OVERBAUGH (1)
189. OVERHOLT (1)
190. OVERHULSER (3)
191. OVERMAN (35)
192. OVERSON (2)
193. OVERTON (1)
194. OVESEN (14)
195. OVESON (2)
196. OVIATT (2)
197. OWAIN (8)
198. OWAIN OR GWYNDD (1)
199. OWEN (13)
200. OWENS (22)
201. OXBORROW (9)
202. OXENBRIDGE (2)
203. OXFORD (5)
204. OXLEY (9)
205. OYRES (1)
206. OZMUN (15)