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 (11)
3. O'Brien (21)
4. O'Callaghan (6)
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 (24)
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'Kelly (1)
25. O'Leary (9)
26. O'Mahony (1)
27. O'Malley (1)
28. O'Mant (1)
29. O'Moore (1)
30. O'Neal (2)
31. O'Neil (2)
32. O'Neill (9)
33. O'Niel (1)
34. O'Raw (1)
35. O'Reagan (1)
36. O'Regan (1)
37. O'Reilly (14)
38. O'Riodan (1)
39. O'Rorke (1)
40. O'Rourke (1)
41. O'Shea (8)
42. O'Sullivan (3)

43. Oak (1)
44. Oakden (1)
45. Oakes (10)
46. Oakeshott (3)
47. Oakley (11)
48. Oates (80)
49. Oatley (4)
50. Oats (5)
51. Oatt (1)
52. Oberem (1)
53. Oberholser (1)
54. Oberholster (2)
55. Oberholtzer (4)
56. Oberholzer (13)
57. Oberink (1)
58. Ochse (21)
59. Odè (5)
60. Odell (3)
61. Odendaal (38)
62. Odgers (1)
63. Oehley (3)
64. Oelofse (13)
65. Oelofsen (1)
66. Oelosfe (1)
67. Oelrich (1)
68. Oelschig (2)
69. Oertel (52)
70. of Castilla (1)
71. Offerman (5)
72. Offley (4)
73. Ogata (1)
74. Ogden (9)
75. Ogiilvie (1)
76. Ogilvie (73)
77. Ogilvie - Grant (3)
78. Ogilvy (9)
79. Ogle (35)
80. Oglivie (1)
81. Ohlsson (1)
82. Okes (4)
83. Olander (4)
84. Olbrich (1)

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

127. Openshaw (56)
128. Opie (2)
129. Opincinski (1)
130. Oppenheimer (1)
131. Opperman (44)
132. Opsahl (1)
133. Orbell (1)
134. Orchard (18)
135. Orchison (4)
136. Ord (3)
137. Orde (2)
138. Ordeman (1)
139. Ordish (1)
140. Oretel (1)
141. Orffer (1)
142. Orgill (1)
143. Orme (1)
144. Ormerod (3)
145. Ormiston (1)
146. Ormondy (1)
147. Ormsby (2)
148. Ormshaw (4)
149. Ormstone (1)
150. Orner (1)
151. Orpen (92)
152. Orpin (1)
153. Orpwood (1)
154. Orr (14)
155. Orren (1)
156. Orsmond (89)
157. Orsmund (1)
158. Ortell (1)
159. Ortland (5)
160. Ortlepp (7)
161. Ortlieb (1)
162. Orton (2)
163. Orwin (1)
164. Osbaldeston (3)
165. Osborn (8)
166. Osborne (43)
167. Osbourn (1)
168. Osbourne (7)

169. Osche (1)
170. Osgerby (1)
171. Osler (32)
172. Osman (11)
173. Osmond (11)
174. Osmotherley (2)
175. Osner (5)
176. Osterloh (2)
177. Ostler (1)
178. Oswald (3)
179. Oswell (6)
180. Otis (13)
181. Ott (4)
182. Ottaway (1)
183. Otter (1)
184. Otterson (1)
185. Ottley (1)
186. Otto (23)
187. Oudegeest (1)
188. Oupios (1)
189. Outerdoom (1)
190. Outram (22)
191. Outshorn (1)
192. Ouwerkerk (3)
193. Over (1)
194. Overdier (1)
195. Overton (2)
196. Owen (59)
197. Owen-Jones (8)
198. Owen-Smith (1)
199. Owen-Wahl (9)
200. Owens (4)
201. Ower (1)
202. Owsley (7)
203. Oxenham (28)
204. Oxford (5)
205. Oxley (6)
206. Oxley - Oxland (2)
207. Oxsring (1)