Surname List: Begins with O: British 1820 Settlers to South Africa

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

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1. O'Brein (1)
2. O'Brian (5)
3. O'Brien (33)
4. O'Callaghan (7)
5. O'Carroll (1)
6. O'Connell (15)
7. O'Conner (5)
8. O'Connor (62)
9. O'Daly (1)
10. O'Dell (4)
11. O'Donel (1)
12. O'Donnel (1)
13. O'Donnell (5)
14. O'Donovan (27)
15. O'Dwyer (1)
16. O'Flaherty (3)
17. O'Flynn (1)
18. O'Gara (4)
19. O'Gorman (3)
20. O'Grady (13)
21. O'Hagan (11)
22. O'Haher (1)
23. O'Hara (7)
24. O'Hare (2)
25. O'Kelly (1)
26. O'Kennedy (1)
27. O'Kirkman (1)
28. O'Leary (9)
29. O'Malley (1)
30. O'Mant (1)
31. O'Moore (1)
32. O'Neal (2)
33. O'Neil (2)
34. O'Neill (10)
35. O'Niel (1)
36. O'Raw (1)
37. O'Reagan (1)
38. O'Regan (1)
39. O'Reilly (23)
40. O'Riodan (1)
41. O'Rorke (1)
42. O'Rourke (1)
43. O'Shea (8)

44. O'Sullivan (3)
45. Oak (1)
46. Oakes (10)
47. Oakeshott (3)
48. Oakley (11)
49. Oates (104)
50. Oatley (4)
51. Oats (2)
52. Oatt (1)
53. Oberem (1)
54. Oberholser (1)
55. Oberholster (2)
56. Oberholtzer (1)
57. Oberholzer (14)
58. Oberink (1)
59. Ochse (21)
60. Odè (5)
61. Odell (1)
62. Odendaal (36)
63. Odgers (1)
64. Oehley (3)
65. Oelofse (12)
66. Oelofsen (1)
67. Oelosfe (1)
68. Oelrich (1)
69. Oelschig (2)
70. Oertel (53)
71. of Castilla (1)
72. Offerman (5)
73. Offley (4)
74. Ogata (1)
75. Ogden (9)
76. Ogiilvie (1)
77. Ogilvie (73)
78. Ogilvie - Grant (3)
79. Ogilvy (9)
80. Ogle (36)
81. Oglivie (1)
82. Ohlsson (1)
83. Okes (4)
84. Olander (4)
85. Olbrich (1)
86. Oldfield (1)

87. Oldham (15)
88. Olding (1)
89. Oldmeddow (1)
90. Oldrey (1)
91. Olds (3)
92. Olfin (2)
93. Oliphant (2)
94. Olive (14)
95. Oliveira (4)
96. Oliver (39)
97. Oliveros (1)
98. Oliverson (1)
99. Olivey (1)
100. Olivier (108)
101. Olkers (2)
102. Ollerhead (3)
103. Ollewagen (1)
104. Ollis (3)
105. Olmesdahl (2)
106. Olney (3)
107. Olorenshaw (5)
108. Olsen (7)
109. Olsen-Graff (3)
110. Olson (3)
111. Olsson (1)
112. Olthoff (1)
113. Olver (5)
114. Olwage (9)
115. Olwagen (1)
116. Olyott (4)
117. Omer-Cooper (4)
118. Omerod (1)
119. Onderlinden (1)
120. Onel (1)
121. Onslow (1)
122. Ooste (1)
123. Oosterhagen (7)
124. Oosthiuizen (1)
125. Oosthuisen (4)
126. Oosthuizen (115)
127. Oosthuysen (4)
128. Oosthuzen (3)
129. Oosthysen (3)

130. Oostuizen (1)
131. Openshaw (60)
132. Opie (2)
133. Opincinski (1)
134. Oppenheimer (1)
135. Opperman (45)
136. Opsahl (1)
137. Oranmore-Browne (1)
138. Orbell (1)
139. Orchard (19)
140. Orchison (4)
141. Ord (3)
142. Orde (2)
143. Ordeman (1)
144. Ordish (1)
145. Oretel (1)
146. Orffer (1)
147. Orgill (1)
148. Orme (1)
149. Ormerod (1)
150. Ormiston (1)
151. Ormond (1)
152. Ormondy (1)
153. Ormsby (2)
154. Ormshaw (4)
155. Ormstone (1)
156. Orner (1)
157. Orpen (92)
158. Orpwood (1)
159. Orr (13)
160. Orren (1)
161. Orsmond (119)
162. Orsmund (1)
163. Ortell (1)
164. Ortland (5)
165. Ortlepp (9)
166. Ortlieb (1)
167. Orton (2)
168. OrueAramburu (1)
169. Orwin (1)
170. Osbaldeston (3)
171. Osborn (8)
172. Osborne (43)

173. Osbourn (1)
174. Osbourne (7)
175. Osche (1)
176. Osler (68)
177. Osman (11)
178. Osmond (11)
179. Osmotherley (2)
180. Osner (5)
181. Osterloh (2)
182. Ostler (1)
183. Oswald (3)
184. Oswell (7)
185. Otis (13)
186. Ott (4)
187. Ottaway (1)
188. Otter (1)
189. Otterson (1)
190. Otto (24)
191. Oudegeest (1)
192. Oupios (1)
193. Outerdoom (1)
194. Outram (22)
195. Outshorn (1)
196. Ouwerkerk (3)
197. Over (1)
198. Overdier (1)
199. Overstone (5)
200. Overton (2)
201. Owen (60)
202. Owen-Jones (8)
203. Owen-Smith (1)
204. Owen-Wahl (9)
205. Owens (4)
206. Ower (1)
207. Owsley (6)
208. Oxenham (27)
209. Oxford (5)
210. Oxley (6)
211. Oxley - Oxland (2)
212. Oxsring (1)