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Surname List: Begins with O


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

Click on a surname to show matching records.   Main surname page  |  Show all surnames

1. O'Brien (O'Brien) (187)
2. O'Bryen (3)
3. O'Bryne (1)
4. O'Callaghan (2)
5. O'Carroll (8)
6. O'Cathan (Cathan) (2)
7. O'Cheinnselaig (4)
8. O'Connell (1)
9. O'Connor (12)
10. O'Dea (2)
11. O'Dell (1)
12. O'Dempsey (58)
13. O'Domnaill (1)
14. O'Donnell (4)
15. O'Donoghue (1)
16. O'Dunne (1)
17. O'Dwyer (2)
18. O'Ferrall (O'ferrall) (20)
19. O'Ferrall-Bourke (O'ferrall) (1)
20. O'Flanigan (1)
21. O'Gara (1)
22. O'Gorman (1)
23. O'Grady (2)
24. O'Hara (1)
25. O'Hern (1)
26. O'Keefe (1)
27. O'Keeffe (2)
28. O'Kelly (4)
29. O'Leary (4)
30. O'Mahony (1)
31. O'Malley (2)
32. O'Malley-keyes (3)
33. O'Moran (1)
34. O'More (1)
35. O'More (O'more) (1)
36. O'Morra (19)
37. O'Neale (1)
38. O'Néill (O'Néill) (29)
39. O'Oyley (1)
40. O'Pazo (1)
41. O'Reilly (9)
42. O'Rourke (1)
43. O'Shaughnessy (4)
44. O'Shea (1)
45. O'Sullivan (6)
46. O'Toole (4)
47. Oakden (1)
48. Oakeley (Oakeley) (1)
49. Oakes (2)
50. Oakley (1)
51. Oaks (1)
52. Oates (3)
53. Obama (2)
54. Obel (Obel) (96)
55. Obel-Jørgensen (1)
56. Obelensky (1)
57. Obelitz (Obelitz) (44)
58. Obenhausen (4)
59. Ober (1)
60. Ober-Lothringen (2)
61. Oberberg (1)
62. Oberfelder (2)
63. Oberg (1)
64. Oberholtzen (3)
65. Oberia (1)
66. Oberkampff (2)
67. Oberländer (1)
68. Obermayer-Marnach (1)
69. Oberon (1)
70. Obersalm (2)
71. Oberstadt (2)
72. Objedova (1)
73. Obling (2)
74. Oblinus (1)
75. Obotrite (Mecklenburg) (3)
76. Obotriterne (1)
77. Obrecht (1)
78. Obregon (1)
79. Obrink (1)
80. Obstfelder (1)
81. Obøe (1)
82. Occidentale (1)
83. Ochnap (1)
84. Ochsner (10)
85. Ochterlony (Ochterlony) (3)
86. Ocklawitz (3)
87. Ocklind (1)
88. Ocksen (10)
89. Odde (2)
90. Odden (1)
91. Odder (2)
92. Oddershede (1)
93. Odderup (1)
94. Oddingsele (1)
95. Oddsen (1)
96. Odeanal (3)
97. Odefey (1)
98. Odel (4)
99. Odell (1)
100. Odelsiö (1)
101. Odén (3)
102. Odense (2)
103. Oderup (1)
104. Oderwald-Lander (2)
105. Odevald (2)
106. Odewahn (1)
107. Odgaard (3)
108. Odhquist (2)
109. Odling-Smee (3)
110. Odmundsen (1)
111. Odonicz (1)
112. Oehlenschläger (11)
   113. Oehningen (Oehningen) (4)
114. Oehrens (1)
115. Oehsen (1)
116. Oertel (1)
117. Oertz (Oertzen) (2)
118. Oertzen (Oertzen) (12)
119. Oesede (3)
120. Oest (3)
121. Oest-Jacobsen (1)
122. Oestermann (5)
123. Oestgaard (1)
124. Oetken (1)
125. Oettingen (Oettingen) (2)
126. Oettingen-Oettingen (Oettingen) (4)
127. Oettinger (17)
128. Oeye (1)
129. Oeynhausen (1)
130. Oeysteinsen (1)
131. Offenberg (8)
132. Offenhäuser (2)
133. Offersen (24)
134. Officer (4)
135. Offley (2)
136. Oftedahl (9)
137. Ogarde (1)
138. Ogata (1)
139. Ogden (4)
140. Ogelby (6)
141. Ogilvy (Ogilvy) (55)
142. Ogilvy of Airlie (Ogilvy) (55)
143. Ogilvy of Auchterhouse (Ogilvy) (13)
144. Ogilvy of Banff (Ogilvy) (8)
145. Ogilvy of Barras (Ogilvy) (7)
146. Ogilvy of Deskford and Findlater (Ogilvy) (56)
147. Ogilvy of Findlater (Ogilvy) (16)
148. Ogilvy of Inchmartine (Ogilvy) (9)
149. Ogilvy of Inverquharity (Ogilvy) (64)
150. Ogilvy of Lintrathen (Ogilvy) (11)
151. Ogilvy of Ogilvy (Ogilvy) (13)
152. Ogilvy of Wester Powrie (Ogilvy) (6)
153. Oglander (1)
154. Ogle (Ogle) (44)
155. Ogonowski (1)
156. Ogston of Ogston (Ogston) (4)
157. Ogstrup-Pedersen (3)
158. Ogtrop (1)
159. Oguz (5)
160. Ohe (10)
161. Oheimb (2)
162. Ohl (8)
163. Ohland (2)
164. Ohldieck (1)
165. Ohlenbostel (2)
166. Ohlendorff (1)
167. Ohlgreen (1)
168. Ohlsen (18)
169. Ohlsen (Ohlsen) (5)
170. Ohlson (1)
171. Ohlsson (2)
172. Ohman (11)
173. Ohmann (1)
174. Ohmeyer (2)
175. Ohmstede (1)
176. Ohnmeyer (1)
177. Ohrt (9)
178. Ohukainen (2)
179. Oien (6)
180. Oinonen (11)
181. Oisy (3)
182. Ojen (1)
183. Okely (1)
184. Okeover (2)
185. Okholm (Okholm) (10)
186. Okkels (12)
187. Oksbjerg (1)
188. Oksen (1)
189. Okubo (1)
190. Okumoto (2)
191. Okänt (1)
192. Ólafsdóttir (1)
193. Olafsson (Sitricsson) (6)
194. Olafsson (X) (1)
195. Ólafursson (1)
196. Olai (2)
197. Olaisen (1)
198. Olander (2)
199. Olander-Larsson (1)
200. Olarda (1)
201. Olasen (1)
202. Olasson (3)
203. Olausen (6)
204. Olausson (1)
205. Olavsen (1)
206. Olbreuse (2)
207. Olby (2)
208. Olcott (2)
209. Olde (1)
210. Oldeland (4)
211. Oldenborg (4)
212. Oldenburg (15)
213. Oldenburg (Oldenburg) (41)
214. Oldenburg of Mecklenburg (Oldenburg) (4)
215. Oldenburg-Bruchhausen (Oldenburg) (4)
216. Oldenburg-Delmenhorst (Oldenburg) (29)
217. Oldenburg-Oldenburg (Oldenburg) (19)
218. Oldenburg-Wildeshausen (Oldenburg) (6)
219. Oldendorph (6)
220. Older (1)
221. Olderog (9)
222. Oldershausen (1)
223. Oldesloe (1)
224. Oldfield (3)
   225. Oldham (1)
226. Olding (1)
227. Oldman (1)
228. Oldroyd (2)
229. Oleander (9)
230. Oleander, Jr (2)
231. Oleander, Sr (1)
232. Olearius (1)
233. Olejniczak (1)
234. Oleksovice (1)
235. Olender (1)
236. Olesen (784)
237. Oleson (7)
238. Oliphant (Oliphant) (25)
239. Oliphant of Gask (Oliphant) (43)
240. Olisch (1)
241. Olivariue (1)
242. Olivarius (1)
243. Olivarius (Olivarius) (173)
244. Olive (6)
245. Oliveira (Oliveria) (1)
246. Oliver (25)
247. Oliversen (1)
248. Oliverson (6)
249. Olivet (2)
250. Olivia (1)
251. Olivier (3)
252. Olivo (1)
253. Olldag (1)
254. Olle (1)
255. Ollén (1)
256. Ollendorf (9)
257. Ollendorff (7)
258. Ollerov (1)
259. Ollesen (4)
260. Olliffe (2)
261. Ollivier (1)
262. Ollonberg (3)
263. Olma (1)
264. Olmer (1)
265. Olney (1)
266. Oloffs (1)
267. Olofsen (3)
268. Olofsen Stake (1)
269. Olofsen Stenbock (1)
270. Olofson (6)
271. Olofsson (11)
272. Olofsson Kase (7-Armet Stjerne) (1)
273. Olofsson Staalarm (2)
274. Olózaga (1)
275. Olrich (1)
276. Olrik (7)
277. Olrik (Olrik) (61)
278. Olrog (2)
279. Olsdordf (1)
280. Olsen (3130)
281. Olsen (Bournonville) (1)
282. Olsen (Cornelius) (1)
283. Olsen (Elving) (1)
284. Olsen (Jørgensen) (1)
285. Olsen (Kaastrup-Olsen) (13)
286. Olsen (Rødder Jacobsen) (1)
287. Olsen-Ventegodt (3)
288. Olseth (1)
289. Olshausen (2)
290. Olson (20)
291. Olsson (35)
292. Olsufiew (1)
293. Oltigen (1)
294. Olufsberg (1)
295. Olufsen (420)
296. Olufsen (Olufsen of Rejsby) (46)
297. Olufsson (3)
298. Olzen (1)
299. Olöfsson (1)
300. Omann (Hansen) (1)
301. Omann (Omann) (23)
302. Omann-Vestergaard (1)
303. Omey (1)
304. Omeyer (1)
305. Omland (2)
306. Omsen (14)
307. Omstad (2)
308. Omsted (2)
309. Omøe (4)
310. Onassis (5)
311. Ondrup (2)
312. Onkels (1)
313. Onley (1)
314. Onorati (1)
315. Onsager (4)
316. Onsberg (14)
317. Onslow (Onslow) (25)
318. Onsum (2)
319. Onuoha (3)
320. Oosterwijck (2)
321. Oosterzee (2)
322. Opalinska (1)
323. Opdahl (1)
324. Opdal (1)
325. Opedal (1)
326. Opel (9)
327. Opffer (1)
328. Opgoye (1)
329. Opie (1)
330. Opitius (5)
331. Opole (Opole) (3)
332. Oporinus (1)
333. Oppelstrup (12)
334. Oppen (5)
335. Oppen-Schilden (Oppen) (2)
336. Oppenhagen (3)
   337. Oppenheim (44)
338. Oppenheimer (3)
339. Oppenheuser (2)
340. Oppermann (45)
341. Opsen Ous (1)
342. Opstrup (3)
343. Optrup (2)
344. Oram (2)
345. Oran (1)
346. Oranjeboom (4)
347. Oranjeboom-Nassau-Beverweerd (Nassau) (5)
348. Orchard (1)
349. Orche (1)
350. Orcheret (1)
351. Orck (1)
352. Orde (4)
353. Orde-Powlett (2)
354. Ordemunius (1)
355. Ording (27)
356. Ordrop (1)
357. Ordtholm (1)
358. Ore (1)
359. Oredsen (2)
360. Origny (Origny) (9)
361. Orizand (1)
362. Orkney (Orkney) (5)
363. Orlamünde (3)
364. Orlando (1)
365. Orleans (1)
366. Orléans (Orléans) (15)
367. Orlebar (10)
368. Orlic (1)
369. Orlien (3)
370. Orloff (3)
371. Orlova (1)
372. Orlow (1)
373. Orm (2)
374. Ormale (1)
375. Orme (4)
376. Ormes (1)
377. Ormesby (1)
378. Ormsby (Ormsby) (3)
379. Ormsby-Gore (Gore) (19)
380. Ormsrud (3)
381. Ormsson (1)
382. Ormstrup (1)
383. Ormøje (1)
384. Orne (1)
385. Orning (8)
386. Orquin (3)
387. Orr (3)
388. Orraeus (1)
389. Orre (4)
390. Orrell (1)
391. Orridge (1)
392. Orsa (1)
393. Orsdoll (15)
394. Orsini (4)
395. Ortega (3)
396. Orten (1)
397. Ortenburg (10)
398. Orthwein (1)
399. Ortiz (1)
400. Ortlöpp (1)
401. Ortmann (23)
402. Ortmeyer (1)
403. Orton (5)
404. Ortved (13)
405. Ortwed (1)
406. Ortwin (1)
407. Orum (18)
408. Orup (1)
409. Orzechowska (1)
410. Orzelska (1)
411. Osbaldeston (2)
412. Osband (1)
413. Osberg (1)
414. Osborn (1)
415. Osborne (Osborne) (45)
416. Oschütz (2)
417. Oscroft (1)
418. Osgood (1)
419. Osius (1)
420. Oskam (2)
421. Osman (1)
422. Osmer (1)
423. Osmon (1)
424. Osorio Y Pimentel (1)
425. Osoriz (1)
426. Osselië (1)
427. Ossetia (1)
428. Ossolinski  (1)
429. Ossulston (1)
430. Ost (3)
431. Osted (2)
432. Ostell (1)
433. Osten (8)
434. Osten (Osten of Plathe) (12)
435. Osten (Osten of Sacken) (1)
436. Osten (Osten of Wisbu) (23)
437. Ostenfeld (8)
438. Ostenfeld (Holländer of Holland) (29)
439. Ostenfeld (Ostenfeld) (49)
440. Ostenfeldt (1)
441. Ostenfeldt (Kaad) (32)
442. Ostenfeldt (Ostenfeldt) (1)
443. Osterloh (1)
444. Ostermann (13)
445. Ostermark (1)
446. Ostermuth (1)
447. Ostersen (5)
448. Osthoff (1)
   449. Ostin (1)
450. Ostindienfarer (1)
451. Ostred (1)
452. Ostredsen (30)
453. Ostrevent (1)
454. Ostvald (2)
455. Ostwald (1)
456. Osvald (1)
457. Oswald (Oswald) (10)
458. Oterbæk (2)
459. Otero (1)
460. Otis (1)
461. Ott (15)
462. Ottar (2)
463. Otte (30)
464. Ottebech (1)
465. Ottelin (1)
466. Otten (1)
467. Ottendal (1)
468. Otter (2)
469. Otter-Barry (1)
470. Otterbech (1)
471. Otterberg (2)
472. Otterburn (2)
473. Otterdahl (1)
474. Ottersen (1)
475. Otterstrøm (42)
476. Ottesen (16)
477. Ottestrup (1)
478. Ottilie (1)
479. Ottisen (3)
480. Ottiwell (2)
481. Otto (80)
482. Ottosen (168)
483. Ottosen-Støtt (4)
484. Ottoson (2)
485. Ottrie (1)
486. Ottsen (1)
487. Otway (8)
488. Otzen (53)
489. Ou Rietz (1)
490. Ouchersen (1)
491. Ouellette (1)
492. Ouensen (1)
493. Ougaard (2)
494. Ouldham (1)
495. Oulie-Hansen (1)
496. Oulsen (1)
497. Oultremont (2)
498. Ouren (1)
499. Ous (1)
500. Ouschers (1)
501. Ouseley (2)
502. Ousen (1)
503. Oustin (1)
504. Out (1)
505. Outher (1)
506. Outlaw (1)
507. Outryve de Ydewalle (1)
508. Outzen (32)
509. Ouw (3)
510. Ovaqqaorahou (1)
511. Ovaskainen (23)
512. Ovchinnikoff (1)
513. Ove (1)
514. Oven (1)
515. Ovens (1)
516. Ovenschou (4)
517. Overall (1)
518. Overballe (1)
519. Overbeck (5)
520. Overbeck-Petersen (1)
521. Overbury (1)
522. Overby (14)
523. Overbye (6)
524. Overdyk (2)
525. Overgaard (70)
526. Overgaard-Madsen (1)
527. Overlacker (1)
528. Overlund (7)
529. Overskou (8)
530. Overton (5)
531. Ovesen (42)
532. Ovrum (2)
533. Owen (42)
534. Owen (Owen of Scotland) (5)
535. Owen (Owen) (2)
536. Owen-Barlow (Owen) (1)
537. Owens (7)
538. Owenstad (1)
539. Ower (1)
540. Owesen (2)
541. Owren (3)
542. Owstien (2)
543. Ox (1)
544. Oxe (18)
545. Oxelberg (3)
546. Oxenberg (4)
547. Oxenbridge (3)
548. Oxenbøll (Oxenbøll) (11)
549. Oxenstierna (Oxenstierna) (65)
550. Oxenvad (4)
551. Oxfelt (1)
552. Oxholm (Oxholm) (126)
553. Oxvang (1)
554. Oye (1)
555. Oyley (1)
556. O`reilly (3)

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