Reed/Whitworth/Cullen/Eley
Genealogy research from the Reed, Whitworth, Cullen, and Eley lines which ended up in me being here!
First Name:  Last Name: 
[Advanced Search]  [Surnames]

Surname List: Begins with O


Tree:  

Show surnames starting with

[no surname] " ' ( , - . 1 2 3 4 8 ? A B C D E F G H I J K L M N O P Q R S T U V W X Y Z \ _ Å â Â Ã Ã


Show all surnames (sorted alphabetically)   |   Main surname page

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

1. Ó Braenain (1)
2. O Briain (2)
3. O Brien (1)
4. Ó Briuin (7)
5. O Caellaide (1)
6. O Cathain (1)
7. O Cathan (1)
8. Ó Conchobair (1)
9. O Conner (1)
10. Ó DOMNAILL (1)
11. Ó Duibhne (5)
12. O Dúnlainge (1)
13. Ó Fhearghaill (2)
14. Ó Hailill (1)
15. Ó Néill (4)
16. O Neill, (1)
17. O Pa Chine (5)
18. Ó Thoirdelbaig (8)
19. Ó Thoirrdelbaig (1)
20. O Toole (3)
21. Ó Tuathail (1)
22. O Veilinghen (1)
23. O"Brien (1)
24. O"Niallan (1)
25. O' Ceallaigh (1)
26. O' Conner (1)
27. O' Connor (8)
28. O' Scythia (1)
29. O'Beolan (10)
30. O'Braenain (2)
31. O'Brien (12)
32. O'Caellaide (4)
33. O'Ceallaigh (3)
34. O'Cheinnselaig (1)
35. O'Conner (1)
36. O'Connor (16)
37. O'Connor, (1)
38. O'crimthinn (1)
39. O'crimthinn, (1)
40. O'Curry O'Cormacan O'Seasnain (1)
41. O'Domnail (1)
42. O'Domnaill (2)
43. O'Donnell (5)
44. O'Duibhne (2)
45. Ó'Dúnlainge (4)
46. O'Faelain (2)
47. O'Faelain, (1)
48. O'Fallamain (2)
49. O'Farrell (1)
50. O'Flynn (3)
51. O'Gairbita (1)
52. O'Hara (4)
53. O'Heagra (1)
54. O'Hindrechtach (1)
55. O'Hyne of Kilmacduagh (1)
56. O'Kelley (1)
57. O'Kelly (1)
58. O'Mahoney (1)
59. O'Morda (4)
60. O'Mordha (1)
61. O'MULLOY (2)
62. O'Neil (1)
63. O'Neill (16)
64. O'NEILL mac Niall (1)
65. O'Neill, (1)
66. O'Niallan (1)
67. O'Niell (1)
68. o'nuadu (2)
69. O'Nuallain (3)
70. O'ROARKE (1)
71. O'Ruarc (1)
72. O'Taithlech (1)
73. O'Tauthal (1)
74. O'Thairmeascain (3)
75. O'Thoirdelbaig (3)
76. O'Thorrdelbaig (2)
77. O'Toole (41)
78. O'Tuathail (1)
79. Obed (1)
80. Obequiz de Vizcaya (1)
81. Obertenghi (2)
82. Obotrides (1)
83. OBrien (1)
84. Ockbrook (3)
85. OConnor (1)
86. OCrucywel (1)
87. Octavia (1)
88. Octavius (5)
89. Octavius Laenas (1)
90. od Magadha (1)
91. Oda (1)
92. Oddingseles (1)
93. Oddingsells (1)
94. Oden (1)
95. Odingsells (4)
96. Odingssells (1)
97. Odinsdotter, Queen of Skjaelland (1)
98. Odinsson (4)
99. Odinsson, King of Denmark (1)
100. Odo (1)
101. Odom (1)
102. Odwyn (1)
103. Oechalia (1)
104. Óenfher mac Cuinn (1)
105. Oesa (1)
106. of (1)
107. of Abergavenny (1)
108. of Abkhazia (1)
109. of Acre (1)
110. of Addington von Choiseul (1)
111. of Alania (1)
112. of Alba (5)
113. Of Albania (1)
114. of Albany (1)
115. of Alemanni (1)
116. of Allerdale (1)
117. of Allerton (1)
118. Of Alsace (1)
119. of Alt Clut (1)
120. of Anglesea (1)
121. of Anglo Saxons (1)
122. of Anglo-Saxon England (1)
123. Of Angoulême (2)
124. of Angoulême, (3)
125. of Angus (1)
126. of Anjou (1)
127. of Anshan, (1)
128. of Anshan, Elam (1)
129. of Antioch (2)
130. of Aoste (3)
131. of Apulia (2)
132. of Aquitaine y Gascony (1)
133. Of Arabia (9)
134. of Aragon (1)
135. of Argos (1)
136. of Argyll (2)
137. of Arimathea (1)
138. of Arles (1)
139. of Armenia (9)
140. of Armenia General (1)
141. of Armenia III (1)
142. of Artois (1)
143. of Artsrouni (1)
144. Of Artsruni (3)
145. of Asti (1)
146. of Asturias (1)
147. of Athamanie (1)
148. of Athens (7)
149. of Atholl (1)
150. Of Austrasia (4)
151. of Austria (4)
152. of Autun (2)
153. of Autun, (1)
154. of Avars (1)
155. of Avenel Biarz (1)
156. of Aynnesley (1)
157. of Babenberg (1)
158. of Babylon (1)
159. Of Babylonia (2)
160. of Bacqueville (1)
161. of Bactria (3)
162. of Bactrian (1)
163. of Bamburgh (4)
164. of Barcelona (4)
165. of Bavaria (6)
166. of Bavarians Agilofing Bayern (1)
167. of Beersheba, (1)
168. of Benevento (1)
169. of Bergamo (1)
170. Of Berkshire (1)
171. of Bernecia (1)
172. of Bernicia (3)
173. Of Bernicia, Queen of Northumbria (1)
174. Of Bernicia, Queen of the picts (1)
175. of Bernicie (1)
   176. OF BIHAR (3)
177. Of Blois (1)
178. of Bohem Duchess (1)
179. of Bohemia (8)
180. of Bohemia PREMYSLOVEC (1)
181. of Bolingbroke (1)
182. of Bolthorn (1)
183. of BOSPHORE , Du Bosphore (1)
184. of Boulogne (1)
185. of Bourbourg (1)
186. of Breconshire (1)
187. of Breteuil (1)
188. of Brimshall (1)
189. of Britain (1)
190. of Britons (6)
191. of Brittany (5)
192. of Brotherton (1)
193. of Builth (3)
194. of Builth Wells (3)
195. of Bulgaria (5)
196. of Burgundy (7)
197. of Burgundy and Chroma (1)
198. of Burnby (1)
199. of Buzançais (1)
200. of Byzantine (2)
201. of Cadwalladr (1)
202. of Caen (2)
203. of Caere (1)
204. of Cagliari (1)
205. of Cairmac (1)
206. of Caithness (1)
207. of Cambrie (4)
208. of Camelot or Camulod (1)
209. of Canossa (2)
210. of Cantabria (1)
211. Of Cappadocia (4)
212. of Capua (4)
213. of Carthage (1)
214. of Castile (1)
215. of Cerdaña (1)
216. of Champagne (2)
217. of Chaumontois (1)
218. of Chester (3)
219. of Chin (1)
220. of China (13)
221. of China Liu Ying (1)
222. of Cil Sant (1)
223. of Cil Y Saint (1)
224. of Cilsant (1)
225. of Cius, (1)
226. of Clermont-Ferrand (1)
227. Of Coimbra (1)
228. of Colchester (3)
229. of Commagene (1)
230. Of Comyn (1)
231. of Conde (1)
232. Of Constantinople (2)
233. of Corbenic Castle (1)
234. of Cornwall (6)
235. Of Cornwall Prydain (1)
236. of Costantinople (1)
237. of Cournouaille (1)
238. of Coventry De Devon (1)
239. of Crinin Mhic Ewen (1)
240. of Culmington (2)
241. of Cydrich (1)
242. of Cyrene, (1)
243. Of Dai (1)
244. Of Dal Riada (1)
245. of Dal Riata (1)
246. Of Dammartin (1)
247. of de Neville (1)
248. OF DEIRA (1)
249. of Denmark (4)
250. of Dentumoger (1)
251. of Devon (2)
252. of DOMNONEE (2)
253. of Dropides I (1)
254. of Dumnonia (2)
255. of Dumnonia and Brittany (1)
256. of Dunbar (6)
257. of Dunghal (1)
258. of Dunkeld (1)
259. of Durham (1)
260. of Dwores (1)
261. of Dyfed (4)
262. Of Dyrrhachium (1)
263. of E. Anglia (1)
264. of Eanread (1)
265. of Eardwulf (1)
266. Of East Eden (1)
267. Of Eboracum (1)
268. of Egypt (32)
269. of Egypt, (1)
270. of Ellack (1)
271. of Emesa (1)
272. Of Emese (1)
273. of England (18)
274. of England, (2)
275. of Erging (2)
276. of Essex (1)
277. of Etham (1)
278. of Eu (1)
279. of Eu, (1)
280. of Eudes Henri of Burgundy (1)
281. of Eustace II of Boulogne (1)
282. of Ewen Mhic Kenneth (1)
283. of Falaise (2)
284. of Flanders (2)
285. of Flavigny (1)
286. of Fouvent (2)
287. of France (14)
288. of France, (1)
289. of Franks (2)
290. of Freothalaf (1)
291. of Freteval de (1)
292. of Frisia (1)
293. of Friuli (4)
294. Of Gaeta (2)
295. of GALATIA (4)
296. of Galicia (1)
297. of Galloway (4)
298. Of Gandara (1)
299. of Gandhara (1)
300. of Gâtinais (1)
301. of Gaunt (1)
302. of Gawthorpe (1)
303. of Gellone de Bobbio (1)
304. Of Geneva (4)
305. of Georgia (1)
306. of Germany (1)
307. of Gévaudan (1)
308. of Ghesnes (1)
309. of Giselbert (1)
310. of Gloucester (2)
311. of Gloucestershire (1)
312. Of Gordum (1)
313. of Gorze and Verdun (1)
314. of Gothia (1)
315. of Goths (3)
316. Of Greece (1)
317. of Grosmont (2)
318. of Gunthwaithe (1)
319. Of Gwent (1)
320. of Habsburg (1)
321. of Hainault (1)
322. of Halsbury (1)
323. of Halton (2)
324. Of Hamelant (1)
325. of Hatfield (1)
326. of Hauteville (1)
327. of Hawkinge (2)
328. of Hedingham (2)
329. of Hereford (1)
330. of Heruli (1)
331. of Hesbaye (3)
332. of Hesbaye, (2)
333. Of Hodnell & Wormleighton, Warwi (1)
334. of House of Tarah (1)
335. of Hungary (6)
336. of Hunnie (1)
337. of Huns (6)
338. of Huns II (1)
339. of Huntingdon (4)
340. of Hyksos (1)
341. of Iberia (5)
342. Of Iberia II (1)
343. of Iberia Khosroid Dynasty (1)
344. of Iberia, (1)
345. of Iceni (1)
346. of Iceni Angleterre (1)
347. of Idumaea (2)
348. of INDIA (1)
349. of Ingelheim (1)
350. Of Ireland (15)
   351. Of Ireland Connaught (1)
352. of Isle of Wight (1)
353. of Istria (2)
354. Of Italy (2)
355. of Jerusalem (1)
356. of Jerusalem, (1)
357. Of Judaea (1)
358. of Judea (2)
359. of Judea bat Absalom (1)
360. of Judea, (1)
361. Of Kamsarakan (7)
362. of Kartli (2)
363. of Kenneth Mhic Crinan (1)
364. of Kenneth Mhic Crinin (1)
365. of Kent (6)
366. of Khasan (1)
367. of Khazaria (4)
368. of KHAZARS (2)
369. of Kiev (3)
370. of King Svend Tveskaeg Haraldsen of Denmark (1)
371. of Kingsley (1)
372. of Kosala (13)
373. of Kush (1)
374. of Kvenland (1)
375. of Kyburg (1)
376. of Kyiv (1)
377. of Lancaster (10)
378. of Lancaster Montgomery (1)
379. of Lancaster, (1)
380. of Leicestershire (1)
381. of Leinster (9)
382. of Lens de Walincourt (1)
383. of León (1)
384. of Liary (1)
385. of Lichfield (1)
386. OF LIENSTER (1)
387. of Liguria, (1)
388. of Lincolnshire (2)
389. Of Lisle (1)
390. of Llanfair Talhairan in Rhos (1)
391. of Llys Coes y Mynydd (2)
392. of Lombardy (2)
393. Of Loon (1)
394. of LORCHE (1)
395. of Lorraine (2)
396. of Lorraine, (1)
397. Of Lorsch (1)
398. of Lotharinga (1)
399. of Lotharingia (3)
400. of Louvain (1)
401. of Lusignan (1)
402. of Luxembourg (1)
403. Of Luxembourg, Count of Namur (1)
404. of Lyncestis (3)
405. of Lyon (1)
406. of Ma'at, (1)
407. of Macedon (2)
408. of Macedonia (1)
409. of Macedonia, Queen of Egypt (1)
410. of Magadha (15)
411. of Magyars And Huns (1)
412. Of Maine (1)
413. of Malik (1)
414. of Manessah (1)
415. of Marcus Maximus (1)
416. of Mascy or Macé (1)
417. of Mathura (1)
418. of Media Atropatene (1)
419. of Media, (1)
420. of MEILIRION (1)
421. Of Mercia (31)
422. of Mercia and Lincolnshire (1)
423. of Merica (1)
424. of Merovingian (1)
425. Of Mesopotamia (1)
426. of Metz (1)
427. of Moab (1)
428. of Monaco (1)
429. of Montbard (1)
430. of Montlhéry (1)
431. of Moray (1)
432. of Moray, Lady of the Isles (1)
433. of Mortain Conteville de Mortaigne (1)
434. of Muhman (1)
435. of Mumhan (4)
436. of Mumhan, High Queen of Leinster (1)
437. of Munster (2)
438. of Murdoch (1)
439. of Nabataea (1)
440. of Nabatea (1)
441. of Namdalen (1)
442. of Namibia (1)
443. of Nantes (1)
444. of Nantes, (3)
445. of Napata, (4)
446. of Naples (1)
447. OF NARBONNE (2)
448. Of Naumadal (2)
449. of Nauntes (1)
450. of Navarre (2)
451. of Nessius, of Mar (1)
452. of Neustria (2)
453. of Neustrie (2)
454. of Neustrie of Thuringe (1)
455. of Niskinin (1)
456. Of Nordgau (1)
457. of Norfolk (1)
458. of Normandie (3)
459. of Normandy (6)
460. Of Northumberland (1)
461. of Northumbria (16)
462. Of Norway (2)
463. of Novgorod (1)
464. of Nubia (1)
465. of Nubia, (1)
466. of Numidia (3)
467. of Nuno Velaz of Alava (1)
468. of Obodrite (3)
469. of Oosterzele (1)
470. of Opsch (1)
471. of Ossetia of the Alani (1)
472. of Ossory (3)
473. of Pacy (1)
474. of Pallars (2)
475. of Pamplona (5)
476. of Paphlagonia (2)
477. of Paris (3)
478. Of Paropamisdae (2)
479. Of Parthia (2)
480. of Pau, (1)
481. of Penybefws (1)
482. of Pergamon (3)
483. Of Perigord (1)
484. of PERSIA (1)
485. of Persia, (1)
486. of Phraates IV (1)
487. of Phrygien, (1)
488. of Poitiers (1)
489. of Poland (2)
490. of Poland, (1)
491. of Polotsk (1)
492. of Polotzk (1)
493. of Ponthieu (2)
494. of Ponthieu, (1)
495. of Pontus (5)
496. of Pontus, (1)
497. of Poyntz (1)
498. of Provence (3)
499. of Qudà`ah (1)
500. of Rafin (1)
501. of Rainulf (1)
502. of Razes (1)
503. of Reims (1)
504. of Renfewshire (1)
505. of Rennes (3)
506. of Rheinfelden (1)
507. of Rhydderch (1)
508. of Ringerike (2)
509. of Rochester (1)
510. Of Rochlitz (1)
511. of Rodez (1)
512. of Roman Briton (1)
513. Of Rome (17)
514. of Roothing Berners (1)
515. of Rotrou III (2)
516. of Rujij (1)
517. of Rumah (1)
518. of Saint Clare Archbishop of Rouen (1)
519. of Salerno (1)
520. of Salins (1)
521. of Salisbury (3)
522. Of Salm And Luxembourg (1)
523. of Salmaise (1)
524. of Saluzzo (1)
525. of Sarmatians (1)
   526. of Savoy (1)
527. of Savoy, Margrave of Turin (1)
528. of Saxe (1)
529. of Saxony (11)
530. of Schweinfurt (1)
531. of Scotland (12)
532. of Scots (2)
533. of Scythians (1)
534. of Seomur (1)
535. of Septimania, (1)
536. of Shaftesbury (2)
537. of SHAKYA (1)
538. of Shang China (1)
539. of Sicambri (2)
540. of Sicily (1)
541. Of Siluria (2)
542. Of Sistan Khorasan (2)
543. of Somerset (1)
544. OF SOUTH WALES (1)
545. Of Southwalk (1)
546. of Spain (1)
547. of Sparta (2)
548. of Spoleto (2)
549. of Spoleto, (3)
550. of Staffordshire (1)
551. of Stapleton (1)
552. of STRATHCLYDE (7)
553. of Strathearn - Mormaer of Strathearn - eol (1)
554. of Strathnith (1)
555. Of Styria (1)
556. of Suéves (1)
557. of Suevi (1)
558. of Sunnmøre (1)
559. of Sussex (1)
560. of Swabia (2)
561. of Sweden (3)
562. of Syracuse, (1)
563. Of Syria (7)
564. Of Tabaristan (7)
565. of Tang (2)
566. of Taron (1)
567. of Taron vel Tauraun (1)
568. OF TATTERSHALL (2)
569. of Tauresium (2)
570. of Tavistock (1)
571. of TAXILA (5)
572. of Tealby (1)
573. of Terrasson (1)
574. Of The Alemannians (1)
575. Of The Alemanians (1)
576. Of The Alemannians (3)
577. of the Alemannians - de Lombardie (1)
578. of the Ammergau (1)
579. of the Booths (1)
580. Of The Britons (2)
581. Of The Bulgars (1)
582. of the Burgundians (1)
583. of the Byzantine Empire (2)
584. of the Clan Igaa (1)
585. Of The Cumans (1)
586. Of the East Franks (1)
587. of the Eastern Roman Empire (1)
588. of the English (1)
589. of the Fotharta Fea (1)
590. of the Francs (1)
591. of the Franks (10)
592. of the Franks at Cologne (1)
593. of the Franks of the Rugij (1)
594. Of The Franks West Franconia (1)
595. of the Gaini (1)
596. of the Gepids (1)
597. of the Goths (1)
598. of the HATTI (1)
599. of the Heruli (4)
600. of the Heruli and the Vandals (1)
601. of the Herulii (2)
602. of the Hill Svadisson in Oppland (1)
603. of the Holy Roman Empire (1)
604. of the Huns (34)
605. Of The Hyksos (1)
606. of the Isle of Wight, (1)
607. of The Khazars (3)
608. of the Kushans (1)
609. of the Langobarden (1)
610. of the Lombards (7)
611. of the Lombards, Vassal of the Heruli (1)
612. Of the Magyar (1)
613. of the Massylii (1)
614. OF THE OBORITES (1)
615. of the Oborities (1)
616. of the Obotrites (5)
617. Of The Orcades (1)
618. of the Ostrogoths (4)
619. of The Picts (4)
620. Of The Rigij (1)
621. of the Roman Empire (1)
622. of The Rugij (1)
623. of the Salian Francs at Cologne (1)
624. of the Salian Franks (1)
625. of the Saxons (3)
626. Of The Scambrian Franks (1)
627. of the Sicambri (1)
628. of the Sicambrii (1)
629. of the Soissons (1)
630. of the Suevi (1)
631. of the Tectasages (1)
632. of the Tectosages (1)
633. Of The Thuringians (4)
634. of the Thüringians (1)
635. of The Tower, (1)
636. Of The Turkmen (1)
637. of the Vandals (4)
638. of the Visgoths (1)
639. of the Visigoths (2)
640. of the West Franks (1)
641. of the West Franks & Sicambrii (1)
642. Of Thebes (3)
643. of Thenford-Rushton (1)
644. of Thera (1)
645. of Therouanne (1)
646. of Thomond (1)
647. of Thuringia (3)
648. of Thüringia (1)
649. of Tigranes I (1)
650. of Tondres (1)
651. of Toulouse (1)
652. OF TREVES (1)
653. of Trognee (1)
654. of Tuffe (1)
655. of Turberville (1)
656. of Tuscany (1)
657. of Tykenham (2)
658. of Tynedale (4)
659. of ui Mail (2)
660. Of Uladh (6)
661. Of Ulster (3)
662. of Umfreville (1)
663. of Urach (2)
664. of VAISALI (2)
665. of Valaravans (1)
666. of Vendsyssel (2)
667. of Venice (1)
668. of Verdun (1)
669. of Vermandois (3)
670. Of Vestmar (1)
671. of Wales (11)
672. of Warwick (2)
673. of Wessex (24)
674. of Wessex Haraldsdottir (1)
675. of Wessex, (2)
676. of West Brefney Ireland (2)
677. of West Gandara (1)
678. of West Ireland Connaught (1)
679. Of Westmoreland (1)
680. Of Wettin (1)
681. of Wiltshire (2)
682. of Windsor (1)
683. of Woodstock (4)
684. of Woodstock, (1)
685. Of Worcester (1)
686. of Wormegay (1)
687. Of Yester (1)
688. of York (2)
689. of Yorkshire (3)
690. of Zhou (6)
691. of Zhou China (1)
692. OFallamain (1)
693. Offeiraid ap Gruffudd (1)
694. Oflaherty (1)
695. Ogilvey (1)
696. Ogilvie (1)
697. Ogilvy (1)
698. Ogle (15)
699. OGLETHORPE (1)
700. Ogmore (1)
   701. Ohenna (2)
702. Oilliol (1)
703. Oilly (1)
704. Oise (1)
705. olaf (1)
706. Olafsdatter (4)
707. Olafsdattir (1)
708. Olafsdoittir (1)
709. Olafsdotter (6)
710. Óláfsdóttir (4)
711. Olafson (3)
712. Olafsson (19)
713. Óláfsson, (2)
714. Olafsson, of Solør In Norway (1)
715. Olaliz. Conde y Señor de Tierras de Campo (1)
716. Olasson (1)
717. Olavsdatter (1)
718. Olavsson (5)
719. Oldcastle (14)
720. Oldcastle, (1)
721. Oldhall (1)
722. Oldham (4)
723. Oldingfellis (1)
724. OLDKNOW (1)
725. Oleivsson (1)
726. Oliffe (1)
727. Olive (1)
728. Oliver (1)
729. Olla (1)
730. Ollaman Fotla (2)
731. Ollamhdha (1)
732. Olmodsdotter (1)
733. Olmodsson (1)
734. Olmstead (8)
735. Olmucach ben Fiacha (1)
736. Olofsdotter (1)
737. Olofsson (2)
738. Olson (1)
739. Omer (1)
740. Omeya (1)
741. OMorda (1)
742. Omri (1)
743. Omundsson (2)
744. Onbekende (1)
745. Onfror (2)
746. Ongarsson (2)
747. Onias (1)
748. Onslow (1)
749. ONUNDSSON KING IN SWEDEN (1)
750. Oplaendinge (1)
751. Optata (1)
752. or Adalophe (1)
753. or Gerberge (1)
754. OR HELSBY (1)
755. Orabilis (1)
756. Orabilis FitzNess (1)
757. Orange (2)
758. Orcades (1)
759. Orchard (1)
760. Ordgar (1)
761. Ordoñes García de Aza de Roa y Ayllon (1)
762. ORDOÑEZ (28)
763. ORDOÑEZ PELAEZ de León (1)
764. Ordóñez de Asturias (4)
765. Ordoñez de Aza (2)
766. Ordóñez de Carrión (1)
767. Ordoñez de Deza y Bermudez (1)
768. Ordoñez de Leon (2)
769. Ordóñez de Lugo (1)
770. Ordóñez de Villamayor (1)
771. ORDOÑEZ PELAEZ de Leon (1)
772. Ordonhes (1)
773. Orestilla (2)
774. ORFITUS (2)
775. Orfitus Honorius (1)
776. Orframnia (1)
777. Orgeluse (1)
778. Orguen (1)
779. Oriel (1)
780. Orieldis (1)
781. Origin (1)
782. Orioiz (1)
783. Orkney (3)
784. ORLEANS (4)
785. Ormesby (2)
786. Orna Hyrnasson (1)
787. Orontides (1)
788. Orozco (2)
789. Orreby (13)
790. Orrell (5)
791. Orseolo (7)
792. Orseolo-házi (1)
793. ORTEGON (1)
794. ORTI (2)
795. ORTIAY (2)
796. Ortifus (1)
797. Ortigen (1)
798. Ortiz (1)
799. Ortiz de Valderrama (1)
800. Orton (1)
801. Orvu (1)
802. Osbaldeston (4)
803. Osbaldston (1)
804. Osborn (2)
805. Osborne (12)
806. Osbourn (1)
807. Osburh (1)
808. Oscheret (1)
809. Osdalden (1)
810. Oslac (2)
811. Osmund (1)
812. Osoredes (1)
813. Osoredes Forjaz (1)
814. Osores (2)
815. Osorez de Cabreira (1)
816. Osoriez de Torono De Lemos (1)
817. Osorio (13)
818. Osorio de Villalobos (1)
819. Osorio Fernadez (2)
820. Osoriz (1)
821. Osóriz Osorio (1)
822. Ossary (1)
823. Ossory (16)
824. Ostburga (1)
825. Ostrevant (2)
826. Ostrogothie (1)
827. Ostrogoths (2)
828. Osule (1)
829. Oswin (3)
830. Oteley (1)
831. Otes (1)
832. Othmar (1)
833. Othoer (1)
834. Othrag Desposyni (1)
835. Otley (1)
836. Otrakovich Khan Of The Cumans (1)
837. Ottarson (1)
838. Ottarsson (1)
839. Otter (1)
840. Otteringham (2)
841. Ottersdattir (1)
842. Ottringham (1)
843. ou Sigehard des SAXONS (1)
844. ou Wendi de Han de Chine (1)
845. Oughtrington (1)
846. Ouroana Pais (1)
847. Ovei (1)
848. Ovenal (1)
849. Ovequiz (3)
850. Ovequiz Rico-Hombre de Castilla "Grande de España" (1)
851. OVERSTREET (1)
852. Owain (144)
853. owain "Fychan" ap Owain (1)
854. Owain Brogyntyn (2)
855. Owain Fychan (2)
856. Owain Glendower (1)
857. Owain Gruffudd (4)
858. Owain Gwynedd (2)
859. Owain, (1)
860. Owen (7)
861. Owens (2)
862. Oxborough (1)
863. Oxfordshire (1)
864. Oxinherd rest of family tree available for a private souse on Ancestry (1)
865. Oxton (1)
866. Oysteinsdatter (1)
867. Ozores de Deza, Sr. de Deza (1)
868. O\'Connor (1)
869. O‘Toole (1)
870. O’Beolan (1)
871. O’Briain (1)
872. Ô’Brien (3)
873. O’Dunlainge (1)
874. O’r ap Hywel (1)