Surname List: Begins with O: Our Family History

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

1. O (6)
2. O' Reilly (6)
3. O'braenain (2)
4. O'briain (1)
5. O'brien (17)
6. O'caellaide (3)
7. O'connor (2)
8. O'dea (2)
9. O'donnell (3)
10. O'flaherty (2)
11. O'flanagan (1)
12. O'flynn (1)
13. O'gairbita (2)
14. O'hanrahan (2)
15. O'holloran (1)
16. O'kelley (1)
17. O'lal (1)
18. O'leary (6)
19. O'mack (36)
20. O'moore (2)
21. O'mulloy (2)
22. O'neill (5)
23. O'nes (1)
24. O'rally (1)
25. O'reilly (2)
26. O'shaughnessy (4)
27. O'toole (6)
28. Oa (9)
29. Oakman (1)
30. Obelensky (1)
31. Ober (3)
32. Oberg (1)
33. Oberleitner (7)
34. Oborites (1)
35. Obotires (1)
36. Obotrites (8)
37. Obotrities (1)
38. Obrestad (1)
39. Ocanaz (3)
40. Ockerman (1)
41. Ocklannd (1)
42. Octavius (4)
43. Oda (1)
44. Oddernes (2)
45. Oddingeseles (1)
46. Oddmundsdatter (1)
47. Oddny (1)
48. Oddsdatter (3)
49. Oddson (2)
50. Oddsson (1)
51. Odegaard (25)
52. Odegard (1)
53. Odell (11)
54. Odell Boisen (1)
55. Odenbaugh (2)
56. Odin (1)
57. Odingsells (1)
58. Odinsson (1)
59. Odo (2)
60. Odoacer (1)
61. Odomar (1)
62. Odonel (1)
63. Oertz (1)
64. Of (1)
65. Of Aachen (2)
66. Of Abernethy (4)
67. Of Agder (2)
68. Of Ailech (1)
69. Of Alba (Scotland) (2)
70. Of Alba Longa (1)
71. Of Albi (1)
72. Of Albon (1)
73. Of Allerdale (1)
74. Of Alnwick (1)
75. Of Alsace (7)
76. Of Altdorf (1)
77. Of Alvheim (1)
78. Of Ancient Saxony (6)
79. Of Anglesea (1)
80. Of Angus (7)
81. Of Anjou (8)
82. Of Anjou & Orleans (1)
83. Of Aquitaine (8)
84. Of Aquitane (1)
85. Of Aragon (8)
86. Of Arcis-Sur-Aube (2)
87. Of Ardenne (1)
88. Of Argyle (1)
89. Of Argyll (2)
90. Of Arles (2)
91. Of Arlon (1)
92. Of Armenia (30)
93. Of Armenie (7)
94. Of Artois (1)
95. Of Asgard (1)
96. Of Asgard, Asia (1)
97. Of Athol (1)
98. Of Atholl (4)
99. Of Aubnay (1)
100. Of Audithley (1)
101. Of Audley (2)
102. Of Aurland (6)
103. Of Austraat (7)
104. Of Austrasia (5)
105. Of Austria (2)
106. Of Autun (3)
107. Of Autunois (3)
108. Of Auvergene (2)
109. Of Auvergne (4)
110. Of Auxerre (3)
111. Of Avalgau (2)
112. Of Bactria (2)
113. Of Bar (3)
114. Of Bar-Le-Duc (1)
115. Of Barcelona (9)
116. Of Battenberg (1)
117. Of Bavaria (12)
118. Of Beaverstone (1)
119. Of Berle (1)
120. Of Bernicia (13)
121. Of Besalu & Urgel (1)
122. Of Betuwe (2)
123. Of Beulac (2)
124. Of Biggau (1)
125. Of Bliesgau (1)
126. Of Bohema (3)
127. Of Bohemia (40)
128. Of Bohmen (1)
129. Of Boulogne (7)
130. Of Brabant (4)
131. Of Bretagne (4)
132. Of Bretange (1)
133. Of Brieg (2)
134. Of Britain (6)
135. Of Brittany (5)
136. Of Brunswick (2)
137. Of Brycheiniog (18)
138. Of Brynffenigl (1)
139. Of Buchan (2)
140. Of Buellt (10)
141. Of Buellt And Gwrtheyrnion (1)
142. Of Buillth (2)
143. Of Bulgaria (10)
144. Of Bulles (1)
145. Of Buren (1)
146. Of Byzantium (2)
147. Of Caen (1)
148. Of Caithness (3)
149. Of Cambria And Cornwall (7)
150. Of Carcassonne (5)
151. Of Carinthia (1)
152. Of Carrick (3)
153. Of Castile (4)
154. Of Castile And Leon (2)
155. Of Castille (1)
156. Of Castille And Leon (3)
157. Of Caverhille (1)
158. Of Caverhyll (1)
159. Of Ceredigion (9)
160. Of Champagne (2)
161. Of Champagne Blois (1)
162. Of Chateaudum (1)
163. Of Chatellerault (2)
164. Of Chester (10)
165. Of Chiny (4)
166. Of Chirk (1)
167. Of Clavering (1)
168. Of Clermont-En-Beauvaisis (1)
169. Of Combria (1)
170. Of Comminges (3)

171. Of Conchester (1)
172. Of Conisburgh (1)
173. Of Connacht (33)
174. Of Contentin (2)
175. Of Cornouaille (1)
176. Of Cornwall (4)
177. Of Cotentin (1)
178. Of Coumanie (1)
179. Of Coventry (2)
180. Of Crawford (3)
181. Of Crick (1)
182. Of Croacia (1)
183. Of Cromwell (1)
184. Of Cyprus (2)
185. Of Dagsburg (1)
186. Of Dalr (3)
187. Of Dalriada (53)
188. Of Dardania (1)
189. Of Deheubarth (9)
190. Of Denia (1)
191. Of Denmark (51)
192. Of Devon (2)
193. Of Dol (1)
194. Of Drenthe (1)
195. Of Drummond (1)
196. Of Dublin (13)
197. Of Dudley (2)
198. Of Duffus (1)
199. Of Dull (1)
200. Of Dunbar (3)
201. Of Dunfernline (1)
202. Of Dunkeld (1)
203. Of Dutton (1)
204. Of Dyfed (1)
205. Of Dyfedd (19)
206. Of Dynevor (1)
207. Of Dyrrhachion (2)
208. Of Dyvet (2)
209. Of Early Britain (21)
210. Of East Anglia (12)
211. Of East Anglia & Mercia (1)
212. Of East Armenie (1)
213. Of East Franks (3)
214. Of East Saxony (2)
215. Of Edsvara (1)
216. Of Egisheim (3)
217. Of Egishem (1)
218. Of Egmond (11)
219. Of Elimiotis (1)
220. Of England (52)
221. Of Epirus (1)
222. Of Essex (2)
223. Of Este (3)
224. Of Esyllwg (1)
225. Of Evreux (1)
226. Of Eyri (4)
227. Of Falaise (1)
228. Of Fasselane (3)
229. Of Fezensac (1)
230. Of Fife (10)
231. Of Finland (1)
232. Of Fjordane (1)
233. Of Flandern (7)
234. Of Flandern-Dampierre (4)
235. Of Flanders (12)
236. Of Flanders & Hainault (1)
237. Of France (49)
238. Of Franconia (3)
239. Of Fridarey (1)
240. Of Friedland (1)
241. Of Friesland (1)
242. Of Frisia (1)
243. Of Fruili (1)
244. Of G (7)
245. Of Gainsborough (1)
246. Of Gairsay (1)
247. Of Galloway (7)
248. Of Garderige (1)
249. Of Gaunt (1)
250. Of Geneva (2)
251. Of Germany (3)
252. Of Geshur (1)
253. Of Getulia (8)
254. Of Gevena (2)
255. Of Giske (6)
256. Of Gleiberg (1)
257. Of Glogau (2)
258. Of Glogau-Sagan (2)
259. Of Gloucester (2)
260. Of Glywysing (12)
261. Of Gorodono (2)
262. Of Greece (5)
263. Of Gueldre (2)
264. Of Guisnes (1)
265. Of Gwent (9)
266. Of Gwynedd (26)
267. Of H (24)
268. Of Hainault (3)
269. Of Haithabu (7)
270. Of Haithabu-Westfold (1)
271. Of Halicz (8)
272. Of Hatton (1)
273. Of Hendwr (1)
274. Of Hereford (2)
275. Of Heristal (1)
276. Of Hleithra (4)
277. Of Holland (15)
278. Of Holland & West Friesland (3)
279. Of Hordaland (1)
280. Of Hungary (36)
281. Of Hunstanton (1)
282. Of Huntingdon (5)
283. Of Iberia (4)
284. Of Iceni (2)
285. Of Ireland (102)
286. Of Islay (1)
287. Of Isle Of Man (1)
288. Of Israel (6)
289. Of Istria (2)
290. Of Italy (8)
291. Of Ivrea (1)
292. Of Jerusalem (3)
293. Of Jezreel (1)
294. Of Juda (18)
295. Of Jutland (3)
296. Of Jylland (1)
297. Of Kalisch (2)
298. Of Kamsarakan (3)
299. Of Keldachgau (1)
300. Of Kendal (2)
301. Of Kent (18)
302. Of Kiev (31)
303. Of Kintyre (1)
304. Of Kujawien (2)
305. Of Kumanien (2)
306. Of La Marche (1)
307. Of Lancaster (2)
308. Of Landen (1)
309. Of Laon (3)
310. Of Latium (1)
311. Of Lavanthal (1)
312. Of Leicester (1)
313. Of Leinster (78)
314. Of Lejre (2)
315. Of Lennox (11)
316. Of Lenzburg (1)
317. Of Leon (4)
318. Of Leon And Castile (1)
319. Of Lethra (3)
320. Of Leuchars (3)
321. Of Lidia (6)
322. Of Lightfield (1)
323. Of Limburg (2)
324. Of Lincoln (1)
325. Of Little Easton (1)
326. Of Loarn And Argyll (4)
327. Of Lochloinn (2)
328. Of Lorn (3)
329. Of Louvain (9)
330. Of Lubech (2)
331. Of Luxemburg (19)
332. Of Luxenburg (1)
333. Of Macedonia (23)
334. Of Maine (2)
335. Of Man (12)
336. Of Man And York (1)
337. Of Mar (3)
338. Of Masowien (3)
339. Of Maurienne (1)
340. Of Maurienne & Savoy (1)

341. Of May (1)
342. Of Meath (1)
343. Of Media (6)
344. Of Menteith (5)
345. Of Meopham (2)
346. Of Mercia (29)
347. Of Methil And Wemyss (1)
348. Of Metz (6)
349. Of Metzgau (1)
350. Of Midtfjords (1)
351. Of Minsk (1)
352. Of Mochnant (2)
353. Of Mochnant Ucha (1)
354. Of Moha (2)
355. Of Moncon (1)
356. Of Monshou (1)
357. Of Montdidier (6)
358. Of Montferrat (3)
359. Of Moray (11)
360. Of More (2)
361. Of Morgannwg (3)
362. Of Morvois (1)
363. Of Moselle (3)
364. Of Mountjoy (1)
365. Of Munster (70)
366. Of Nanconwy (3)
367. Of Naples (2)
368. Of Navarre (12)
369. Of Nellensburg (1)
370. Of Neuenburg (2)
371. Of Nord Wales (1)
372. Of Nordgau (1)
373. Of Nordm (3)
374. Of Norfolk (1)
375. Of Norheim (2)
376. Of Normandy (1)
377. Of North Wales (7)
378. Of Northumberland (6)
379. Of Northumbria (15)
380. Of Norway (60)
381. Of Novgorod (1)
382. Of Novogorod (1)
383. Of Nowgorod (11)
384. Of Noyen (1)
385. Of Obotrites (2)
386. Of Offaly (2)
387. Of Opland (2)
388. Of Oppland (1)
389. Of Orkney (28)
390. Of Orlamuende (1)
391. Of Orleans (7)
392. Of Ossory (13)
393. Of Paris (3)
394. Of Parthia (17)
395. Of Pembroke (Windsor) (1)
396. Of Penmydedd (1)
397. Of Penmynedd (1)
398. Of Persia (17)
399. Of Persis (1)
400. Of Pitmilly (1)
401. Of Plock (3)
402. Of Poitiers (3)
403. Of Poland (13)
404. Of Polen (23)
405. Of Polock (9)
406. Of Polotsk (1)
407. Of Polovcen (2)
408. Of Polowcen (2)
409. Of Ponthieu (4)
410. Of Ponthieu & Montreuil (2)
411. Of Pontus (5)
412. Of Portugal & The Algarves (1)
413. Of Powys (67)
414. Of Prague (1)
415. Of Psov (1)
416. Of Raby (1)
417. Of Reidgotland-Jylland (1)
418. Of Reim (1)
419. Of Reims (1)
420. Of Rein (14)
421. Of Rheims (1)
422. Of Ringelheim (4)
423. Of Ringerike (4)
424. Of Ringlehein (1)
425. Of Ringnes (1)
426. Of Rockley (1)
427. Of Rogaland (2)
428. Of Roman Empire (8)
429. Of Rome (3)
430. Of Romerike (1)
431. Of Ross (7)
432. Of Rouen (1)
433. Of Russia (1)
434. Of Saffenburg (2)
435. Of Salerno (1)
436. Of Salisbury (1)
437. Of Sandnes (1)
438. Of Savoie (1)
439. Of Savoy (8)
440. Of Saxlingham (1)
441. Of Saxony (12)
442. Of Scandinavia (3)
443. Of Schlesien (1)
444. Of Schweinfurt (1)
445. Of Scotland (47)
446. Of Scythia (8)
447. Of Seisyllwg (4)
448. Of Semur (3)
449. Of Senlis (1)
450. Of Sens (1)
451. Of Serbia (2)
452. Of Sicily (1)
453. Of Sida (1)
454. Of Sidon (1)
455. Of Siluria (36)
456. Of Sol (1)
457. Of Sophene (1)
458. Of South Wales (6)
459. Of Southwark (2)
460. Of Spain (7)
461. Of Spain (Castile) (2)
462. Of Spoleto (1)
463. Of Stade (2)
464. Of Stein (3)
465. Of Steinrodar-Stadir (1)
466. Of Strathclyde (23)
467. Of Strathearn (12)
468. Of Stubenskorn (1)
469. Of Sualafeld (1)
470. Of Sula (1)
471. Of Sultzbach (2)
472. Of Surnadal (1)
473. Of Susa (1)
474. Of Sussex (1)
475. Of Suzdal (2)
476. Of Swabia (17)
477. Of Sweden (37)
478. Of Sweden Norway & Denmark (1)
479. Of Syria (Seleucid) (5)
480. Of Syria (Seleucids) (7)
481. Of Tamworth (3)
482. Of Tara (2)
483. Of Teck (1)
484. Of The Britains (3)
485. Of The Britons (84)
486. Of The Byzantine Empire (1)
487. Of The Catuvellauni (1)
488. Of The Cimmerians (11)
489. Of The Danes (1)
490. Of The Deisi (1)
491. Of The Franks (29)
492. Of The Gainai (1)
493. Of The Gapidae (2)
494. Of The Gatinais (5)
495. Of The Goths (6)
496. Of The Herules (1)
497. Of The Iceni (1)
498. Of The Isles (11)
499. Of The Janigenae (4)
500. Of The Lower Lahngauwetterau (1)
501. Of The Magyar (3)
502. Of The Moselle (2)
503. Of The Nordgau (1)
504. Of The Nordgau & Schweinfurt (1)
505. Of The Northern Britons (32)
506. Of The Obotrites (10)
507. Of The Ostrogoths (9)
508. Of The Palatinate (1)
509. Of The Picts (17)
510. Of The Powys (1)

511. Of The Rugij (1)
512. Of The Rugil (1)
513. Of The Sicambrians (15)
514. Of The Swedes (1)
515. Of The Thuringians (2)
516. Of The Trinovantes (2)
517. Of The Vandals (1)
518. Of The Visigoths (14)
519. Of The West Franks (4)
520. Of The Wetterau (3)
521. Of Thefranks (1)
522. Of Therouanne-En-Morinie (1)
523. Of Thours (1)
524. Of Thrace (1)
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526. Of Thurgovie (2)
527. Of Thurmond (1)
528. Of Torino (2)
529. Of Torsnes (1)
530. Of Toulouse (6)
531. Of Toulouse & Albi (1)
532. Of Toulouse & Rouergue (1)
533. Of Tours (2)
534. Of Trace (1)
535. Of Treves (1)
536. Of Tristerbaut (1)
537. Of Troy (26)
538. Of Troyes (1)
539. Of Tschernigov (4)
540. Of Tschernigow (4)
541. Of Turow (3)
542. Of Tuscany (3)
543. Of Tynedale (3)
544. Of Tyre And Sidon (6)
545. Of Tyson (2)
546. Of Upper Alsace (4)
547. Of Upper Lorraine (1)
548. Of Uppsala (2)
549. Of Urgel (1)
550. Of Urgel & Barcelona (1)
551. Of Vanaheim (1)
552. Of Varteig (1)
553. Of Vastergotland (4)
554. Of Veien (2)
555. Of Venderme (3)
556. Of Verdun (4)
557. Of Vestfold (1)
558. Of Vestmar (1)
559. Of Vienne (4)
560. Of Vingulmark (1)
561. Of Vinzgau (1)
562. Of Walbeck (1)
563. Of Wales (9)
564. Of Warcq (1)
565. Of Warwick (1)
566. Of Waterford (1)
567. Of Wemyss (5)
568. Of Wessex (31)
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570. Of Westfold (4)
571. Of Westmare (1)
572. Of Widness (2)
573. Of Windsor (2)
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575. Of Wormsgau (2)
576. Of York (2)
577. Of Ystrad Tywi And Dynevor (1)
578. Of Znaim And Bohemia (1)
579. Of Znain (3)
580. Offerson (12)
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582. Offner (5)
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585. Ogden (6)
586. Ogilvie Of Angus (1)
587. Ogilvy (12)
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589. Ogle (23)
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592. Ogmundsdatter (3)
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595. Ogstoun (2)
596. Ohde (3)
597. Ohm (15)
598. Ohnmacht (10)
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702. Opp (11)
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718. Ordulph Of Saxony (1)
719. Ordway (1)
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736. Orontides (5)
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740. Orsini (2)
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759. Osmundsdatter (2)
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763. Osoriz De Galicia (1)
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767. Ostensdatter (2)
768. Oster (2)
769. Oster) (1)
770. Osterberg (3)
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772. Osterhus (3)
773. Ostgaard (9)
774. Ostlyngen (1)
775. Ostmark (3)
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777. Oswald (3)
778. Oswestry (1)
779. Otbertiner (2)
780. Othelie (1)
781. Otho (4)
782. Otho) (1)
783. Otis (1)
784. Ott (9)
785. Ottar (1)
786. Ottarsson (2)
787. Otter (2)
788. Otterman (3)
789. Otterness (1)
790. Ottersland (1)
791. Otterson (2)
792. Otterstad (19)
793. Ottesdatter (8)
794. Ottesen (4)
795. Ottesson (6)
796. Ottestad (3)
797. Otto (16)
798. Otto I Of Gueldrs And Zuphen (1)
799. Otto) (1)
800. Ottosdatter (1)
801. Ottr (1)
802. Ottum (7)
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804. Oudewater (4)
805. Ours (3)
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807. Outwater (23)
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828. Ovrevage (6)
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832. Owain (7)
833. Owen (8)
834. Owen-Ap-Meredith (1)
835. Owens (5)
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837. Owrenn (14)
838. Ox (1)
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843. Oyberg (8)
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846. Oyerhavn (4)
847. Oystese (14)
848. Ozburn (8)
849. Ozina (1)