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 (12)
21. O'Hagan (11)
22. O'Haher (1)
23. O'Hara (6)
24. O'Hare (2)
25. O'Kelly (1)
26. O'Kennedy (1)
27. O'Kirkman (1)
28. O'Leary (9)
29. O'Mahony (1)
30. O'Malley (1)
31. O'Mant (1)
32. O'Moore (1)
33. O'Neal (2)
34. O'Neil (2)
35. O'Neill (10)
36. O'Niel (1)
37. O'Raw (1)
38. O'Reagan (1)
39. O'Regan (1)
40. O'Reilly (14)
41. O'Riodan (1)
42. O'Rorke (1)
43. O'Rourke (1)
44. O'Shea (8)

45. O'Sullivan (3)
46. Oak (1)
47. Oakden (1)
48. Oakes (10)
49. Oakeshott (3)
50. Oakley (11)
51. Oates (82)
52. Oatley (4)
53. Oats (5)
54. Oatt (1)
55. Oberem (1)
56. Oberholser (1)
57. Oberholster (2)
58. Oberholtzer (4)
59. Oberholzer (14)
60. Oberink (1)
61. Ochse (21)
62. Odè (5)
63. Odell (3)
64. Odendaal (40)
65. Odgers (1)
66. Oehley (3)
67. Oelofse (13)
68. Oelofsen (1)
69. Oelosfe (1)
70. Oelrich (1)
71. Oelschig (2)
72. Oertel (53)
73. of Castilla (1)
74. Offerman (5)
75. Offley (4)
76. Ogata (1)
77. Ogden (9)
78. Ogiilvie (1)
79. Ogilvie (73)
80. Ogilvie - Grant (3)
81. Ogilvy (9)
82. Ogle (36)
83. Oglivie (1)
84. Ohlsson (1)
85. Okes (4)
86. Olander (4)
87. Olbrich (1)
88. Oldfield (1)

89. Oldham (15)
90. Olding (1)
91. Oldmeddow (1)
92. Oldrey (1)
93. Olds (3)
94. Olfin (2)
95. Oliphant (2)
96. Olive (14)
97. Oliveira (3)
98. Oliver (39)
99. Oliveros (1)
100. Oliverson (1)
101. Olivey (1)
102. Olivier (109)
103. Olkers (2)
104. Ollerhead (3)
105. Ollewagen (1)
106. Ollis (3)
107. Olliver (2)
108. Olmesdahl (2)
109. Olney (3)
110. Olorenshaw (5)
111. Olsen (7)
112. Olsen-Graff (3)
113. Olson (3)
114. Olsson (1)
115. Olthoff (1)
116. Olver (5)
117. Olwage (9)
118. Olwagen (1)
119. Olyott (4)
120. Omer-Cooper (4)
121. Omerod (1)
122. Onderlinden (1)
123. Onel (1)
124. Onslow (1)
125. Ooste (1)
126. Oosterhagen (7)
127. Oosthiuizen (1)
128. Oosthuisen (36)
129. Oosthuizen (120)
130. Oosthuysen (4)
131. Oosthuzen (3)
132. Oosthysen (3)

133. Oostuizen (2)
134. Openshaw (60)
135. Opie (2)
136. Opincinski (1)
137. Oppenheimer (1)
138. Opperman (47)
139. Opsahl (1)
140. Orbell (1)
141. Orchard (19)
142. Orchison (4)
143. Ord (3)
144. Orde (2)
145. Ordeman (1)
146. Ordish (1)
147. Oretel (1)
148. Orffer (1)
149. Orgill (1)
150. Orme (1)
151. Ormerod (3)
152. Ormiston (1)
153. Ormond (1)
154. Ormondy (1)
155. Ormsby (2)
156. Ormshaw (4)
157. Ormstone (1)
158. Orner (1)
159. Orpen (92)
160. Orpin (1)
161. Orpwood (1)
162. Orr (14)
163. Orren (1)
164. Orsmond (119)
165. Orsmund (1)
166. Ortell (1)
167. Ortland (5)
168. Ortlepp (9)
169. Ortlieb (1)
170. Orton (2)
171. OrueAramburu (1)
172. Orwin (1)
173. Osbaldeston (3)
174. Osborn (8)
175. Osborne (43)
176. Osbourn (1)

177. Osbourne (7)
178. Osche (1)
179. Osgerby (1)
180. Osler (32)
181. Osman (11)
182. Osmond (11)
183. Osmotherley (2)
184. Osner (5)
185. Osterloh (2)
186. Ostler (1)
187. Oswald (3)
188. Oswell (7)
189. Otis (13)
190. Ott (4)
191. Ottaway (1)
192. Otter (1)
193. Otterson (1)
194. Ottley (1)
195. Otto (25)
196. Oudegeest (1)
197. Oupios (1)
198. Outerdoom (1)
199. Outram (22)
200. Outshorn (1)
201. Ouwerkerk (3)
202. Over (1)
203. Overdier (1)
204. Overstone (5)
205. Overton (2)
206. Owen (60)
207. Owen-Jones (8)
208. Owen-Smith (1)
209. Owen-Wahl (9)
210. Owens (4)
211. Ower (1)
212. Owsley (7)
213. Oxenham (28)
214. Oxford (5)
215. Oxley (6)
216. Oxley - Oxland (2)
217. Oxsring (1)