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Long Island Surnames

Database archives of Long Island Genealogy containing 3,144,201 people, 1,187,96 families, 167,070 sources and 167,571 notes

Surname List: Begins with O


Tree:  

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 (93)
2. O Brien (5)
3. O' Neal (1)
4. O' Neill (7)
5. O' Rourke (1)
6. O'Banks (3)
7. O'Berry (16)
8. O'Blenis (9)
9. O'Born (1)
10. O'Brady (1)
11. O'Braenain (2)
12. O'Bren (2)
13. O'Brian (8)
14. O'Briant (10)
15. O'Brien (354)
16. O'Bryan (10)
17. O'Bryant (6)
18. O'Bryon (9)
19. O'Byrne (12)
20. O'Caellaide (2)
21. O'Cain (1)
22. O'Callaghan (9)
23. O'Callahan (12)
24. O'Caughlin (1)
25. O'Cheinnselaig (4)
26. O'Chennselaig (2)
27. O'Connel (1)
28. O'Connell (50)
29. O'Conner (16)
30. O'Conners (1)
31. O'Conney (1)
32. O'Connor (105)
33. O'Connor-Faley-No.8 (41)
34. O'Dair (2)
35. O'Dare (1)
36. O'Day (7)
37. O'Dea (2)
38. O'Dear (1)
39. O'Dell (196)
40. O'Doherty (1)
41. O'Domnail (2)
42. O'Donahue (20)
43. O'Donald (15)
44. O'Donnel (1)
45. O'Donnell (64)
46. O'Donoghue (7)
47. O'Donouhue (2)
48. O'Donovan (20)
49. O'Dorritty (2)
50. O'Dorrity (20)
51. O'Doud (1)
52. O'DúNlainge (8)
53. O'Fáeláin (4)
54. O'Fallon (2)
55. O'Ferrel (5)
56. O'Flaherty (4)
57. O'Gairbita (2)
58. O'Garrchon (1)
59. O'Geran (3)
60. O'Glee (2)
61. O'Gorman (1)
62. O'Grady (16)
63. O'Guin (5)
64. O'Guinn (1)
65. O'Gullion (1)
66. O'Hagan (3)
67. O'Halleran (3)
68. O'Halloran (6)
69. O'Hanlon (1)
70. O'Hara (27)
71. O'Hare (3)
72. O'Harra (1)
73. O'Harrow (7)
74. O'Hearn (14)
75. O'Hora (2)
76. O'Kada (1)
77. O'Keefe (30)
78. O'Keeffe (24)
79. O'Keffe (8)
80. O'Keith (3)
81. O'Kelly (2)
82. O'Killia (2)
83. O'Laughlin (1)
84. O'Leary (18)
85. O'Maley (2)
86. O'Malley (9)
87. O'Mally (3)
88. O'Mara (1)
89. O'Meara (1)
90. O'Melia (1)
91. O'Morda (2)
92. O'Neal (58)
93. O'Neale (4)
94. O'Neil (108)
95. O'Neill (150)
96. O'Niel (6)
97. O'Oconner (1)
98. O'Pezio (3)
99. O'Pray (3)
100. O'Quin (1)
101. O'Quinn (33)
102. O'Rear (1)
103. O'Regan (1)
104. O'Reilley (3)
105. O'Reilly (26)
106. O'Rielly (1)
107. O'Riley (8)
108. O'Roark (1)
109. O'Roeke (1)
110. O'Rouke (9)
111. O'Rourke (17)
112. O'ryan (2)
113. O'Shaughnesay (8)
114. O'Shea (2)
115. O'Shields (158)
116. O'Steen (137)
117. O'Sullivan (2)
118. O'Toole (33)
119. O'Toole-No.1 (1)
120. O. (3)
121. Oabery (1)
122. Oak (27)
123. Oakeley (1)
124. Oaker (1)
125. Oakerly (2)
126. Oakerson (164)
127. Oakes (1126)
128. Oakey (6)
129. Oakie (1)
130. Oakley (4857)
131. Oakman (7)
132. Oakrhind (1)
133. Oaks (49)
134. Oaksmith (12)
135. Oalker (1)
136. Oaster (4)
137. Oates (40)
138. Oatillo (1)
139. Oatley (16)
140. Oatly (2)
141. Oatman (24)
142. Oats (2)
143. Obar (6)
144. Obart (5)
145. Obat (1)
146. Obbink (7)
147. Obear (8)
148. Obee (2)
149. Obelensky (1)
150. Ober (449)
151. Ober-Lothoringen (5)
152. Obera (2)
153. Oberbach (8)
154. Oberfrank (2)
155. Oberg (1)
156. Oberhansley (5)
157. Oberkotzer (24)
158. Oberlander (2)
159. Oberle (1)
160. Oberlin (1)
161. Oberlothringen (5)
162. Oberly (1)
163. Oberman (12)
164. Obermeyer (2)
165. Oberrheingau (5)
166. Obert (44)
167. Oberteuffer (1)
168. Oberthalen (1)
169. Obetts (6)
170. Obholz (3)
171. Oble (1)
172. Oblend (2)
173. Oblinis (1)
174. Oblinus (2)
175. Oblom (5)
176. Obotrites (10)
177. Obrien (1)
178. Obringer (1)
179. Obuchon (47)
180. Ocacio (1)
181. Ocame (317)
182. Occhiogrosso (2)
   183. Occhipinti (1)
184. Ocheltree (5)
185. Oches (1)
186. Ochinero (2)
187. Ocho (1)
188. Ochoa (3)
189. Ochoa Cansing (1)
190. Ochs (7)
191. Ochsner (2)
192. Ochten (1)
193. Ockenfuss (3)
194. Ocker (1)
195. Ockerley (28)
196. Ockerman (2)
197. Ockers (19)
198. Ockerson (1)
199. Ockeson (1)
200. Octaviano (1)
201. Octavie (2)
202. Octavius (4)
203. Octreda (1)
204. Oda (2)
205. Odapp (1)
206. Odasso (1)
207. Odavagny (8)
208. Oddie (9)
209. Odding (2)
210. Oddingeseles (32)
211. Oddingsells (12)
212. Oddo (6)
213. Oddona (1)
214. Oddy (6)
215. Ode (1)
216. Odegaard (1)
217. Odekirk (1)
218. Odel (4)
219. Odell (297)
220. Odell] (1)
221. Odem (6)
222. Odenheimer (1)
223. Odenweller (1)
224. Oder (1)
225. Odgen (2)
226. Odgers (6)
227. Odin (1)
228. Odingsells (4)
229. Odinlon (1)
230. Odle (23)
231. Odlin (14)
232. Odlozelik (1)
233. Odom (20)
234. Odomir (1)
235. Odor (5)
236. Odum (28)
237. Oechsler (15)
238. Oed (1)
239. Oehen (1)
240. Oehlbeck (1)
241. Oehler (13)
242. Oelerking (3)
243. Oelschlager (7)
244. Oen (1)
245. Oengus (1)
246. Oeningen (7)
247. Oeschger (1)
248. Oeschlager (1)
249. Oest (36)
250. Oesterle (1)
251. Oesterling (3)
252. Oestmann (1)
253. Oestreicher (2)
254. Of (4)
255. of Angouleme (1)
256. of Anjou (7)
257. of Aquitaine (1)
258. of Aragon (6)
259. of Artois (2)
260. of Barcelona (1)
261. of Brabant (1)
262. of Brittany (8)
263. of Burgundy (2)
264. of Castile (8)
265. of Castile and Leon (1)
266. of Champagne (1)
267. of Chatelherault (1)
268. Of Chester (2)
269. Of Clarence (1)
270. of Clermont, Ponthieu and Dammartin (1)
271. Of England (4)
272. of Flanders (9)
273. of France (18)
274. Of Frankenton (40)
275. of Galloway (3)
276. Of Gloucester (3)
277. of Hainault (3)
278. of Hainaut (7)
279. of Holland (1)
280. of Hungary (5)
281. of Huntingdon (6)
282. of Ivrea (1)
283. of Kiev (1)
284. of Leon (3)
285. of Lorraine (2)
286. of Louvaine (1)
287. of Luxembourg (2)
288. of Maine (1)
289. of Meran (1)
290. of Montpellier (1)
291. of Naas (1)
292. of Naples (3)
293. Of Napoli (1)
294. Of Napton (40)
295. of Navarre (6)
296. of Normandy (3)
297. of Penthievre (1)
298. of Poitou (1)
299. of Poitou and Aquitaine (1)
300. of Poland (1)
301. of Ponthieu (2)
302. of Portugal (1)
303. of Provence (4)
304. of Sabran (1)
305. of Saluzzo (2)
306. of Savoy (2)
307. of Saxony (1)
308. of Scotland (5)
309. of Swabia (1)
310. of Tegaingl (1)
311. of the Cumans (1)
312. of the Silken Beard (1)
313. of Thouars (3)
314. Of Valois (3)
315. of Vexin (1)
316. Offen (3)
317. Offenberger (1)
318. Offer (3)
319. Officer (2)
320. Offield (3)
321. Offrett (1)
322. Offut (1)
323. Ofmuller (2)
324. Ogalsbee (1)
325. Ogan (7)
326. Ogar (4)
327. Ogara (1)
328. Ogborne (6)
329. Ogburn (1)
330. Ogdem (1)
331. Ogden (750)
332. Ogden-Nee (1)
333. Ogelsby (1)
334. Ogelvie (1)
335. Ogg (20)
336. Ogilivie (1)
337. Ogilvie (205)
338. Ogilvy (2)
339. Ogle (242)
340. Ogleby (2)
341. Oglesby (11)
342. Oglethorpe (6)
343. Oglevie (1)
344. Ogne (2)
345. Ogston (1)
346. Ogstoun (2)
347. Ogyek (5)
348. Ohashi (6)
349. Ohl (7)
350. Ohler (1)
351. Ohlman (3)
352. Ohlmiller (4)
353. Ohlsen (20)
354. Ohlson (1)
355. Ohlssen (1)
356. Ohlsson (1)
357. Ohm (3)
358. Ohman (1)
359. Ohnemus (1)
360. Ohnhaus (1)
361. Ohningen (2)
362. Ohno (1)
363. Ohnsorg (1)
364. Ohora (1)
   365. Ohren (4)
366. Ohrendorff (5)
367. Ohrndorff (5)
368. Ohrtman (6)
369. Oien (1)
370. Oille (16)
371. Oissin (1)
372. Ojala (8)
373. Okane (1)
374. Okano (2)
375. Okazawa (1)
376. Okeden (10)
377. Okeley (7)
378. Okell (16)
379. Okeover (1)
380. Okerley (29)
381. Okerley\Acheley (15)
382. Okerson (59)
383. Okeson (167)
384. Okeston (18)
385. Okie (21)
386. Okilley (14)
387. Okillia (5)
388. Okkerse (6)
389. Okleasik (1)
390. Okleberry (1)
391. Okley (1)
392. Oknowski (16)
393. Okoniewski (2)
394. Okst (12)
395. Olaf (15)
396. Olaffsdatter (1)
397. Olaffson (1)
398. Olafsdatter (2)
399. Olafsdotter (6)
400. Olafsdottir (1)
401. Olafsson (36)
402. Oland (1)
403. Olavsdattir (2)
404. Olavson (1)
405. Olbermann (1)
406. Olcott (41)
407. Old (1)
408. Oldaker (1)
409. Oldbeck (5)
410. Oldcastle (18)
411. Olde (3)
412. Oldeach (5)
413. Oldebburg (2)
414. Oldeck (7)
415. Oldenburg (22)
416. Oldenburg-Wildeshausen (1)
417. Oldershaw (34)
418. Oldfield (74)
419. Oldham (88)
420. Oldick (4)
421. Oldknow (1)
422. Oldren (4)
423. Oldrin (33)
424. Oldroyd (1)
425. Olds (159)
426. Ole (1)
427. Oleen (1)
428. Olers (2)
429. Oleson (3)
430. Oleta (1)
431. Oletzke (1)
432. Olfsdotter (1)
433. Olga (19)
434. Olif (1)
435. Oliff (1)
436. Olilvie (1)
437. Olin (11)
438. Olin, Sr. (1)
439. Olinchave (1)
440. Olinckhave (1)
441. Olinda (23)
442. Olinger (4)
443. Oliphant (14)
444. Olis (1)
445. Oliva (1)
446. Olivanti (1)
447. Olive (54)
448. Olive A (2)
449. Oliver (627)
450. Oliver Or Olives (1)
451. Olivera (4)
452. Oliveras (2)
453. Olivers (4)
454. Oliverus (4)
455. Olivet (2)
456. Olivia (9)
457. Olivie (36)
458. Olivier (4)
459. Oliviers (4)
460. Ollamhdha (4)
461. Ollard (5)
462. Oller (20)
463. Olley (5)
464. Ollie (1)
465. Olliff (2)
466. Olliffe (8)
467. Olliver (1)
468. Ollorton (1)
469. Ollweiler (1)
470. Ollyver (3)
471. Olms (23)
472. Olmscheid (1)
473. Olmsheid (1)
474. Olmstead (175)
475. Olmstead (Olmste (1)
476. Olmsted (359)
477. Olnad Wines (1)
478. Olney (28)
479. Oloff (4)
480. Olofsdotter (6)
481. Olofson (1)
482. Olpherts (1)
483. Olpin (1)
484. Olsafsky (2)
485. Olschewski (1)
486. Olsdatter (2)
487. Olsdotter (2)
488. Olsen (154)
489. Olsen-deFine (1)
490. Olson (255)
491. Olssen (23)
492. Olsson (1)
493. Olstad (14)
494. Olstead (6)
495. Olszewski (13)
496. Oltare (1)
497. Olthoff (6)
498. Oltman (2)
499. Oltmann (2)
500. Oltmanns (1)
501. Olufsson (1)
502. Oluschak (4)
503. Olver (4)
504. Olverson (2)
505. Olyer (2)
506. Olyver (4)
507. Oman (39)
508. Omand (2)
509. Omeara (1)
510. Omer (6)
511. Omerle (1)
512. Ominoff (2)
513. Omo (1)
514. Omond (1)
515. Onan (1)
516. Onassis (1)
517. Onderback (1)
518. Onderdonck (3)
519. Onderdonk (635)
520. Ondo (1)
521. Ondrechen (1)
522. Ondrusek (3)
523. one (2)
524. Oneal (1)
525. Oneale (1)
526. Oneil (1)
527. Oneill (7)
528. Oneth (1)
529. Oney (2)
530. Ong (8)
531. Onger (1)
532. Onia (1)
533. Onifer (1)
534. Onion (2)
535. Onisko (5)
536. Onkelbag (1)
537. Onley (7)
538. Onmam (1)
539. Ono (1)
540. Onofrey (1)
541. Onsgard (1)
542. Onslow (1)
543. Ontko (1)
544. Ontonbridge (3)
545. Ooley (4)
546. OOrtse (1)
   547. Oosterhoud (1)
548. Oosterhout (200)
549. Oosterwijk (1)
550. Oothoudt (4)
551. Op Den Dyck (2)
552. Opal (19)
553. Opdebeck (18)
554. Opdyck (2)
555. Opdycke (7)
556. Opdyke (18)
557. Opecanough (1)
558. Opechanough (1)
559. Ophelia (25)
560. Ophoven (6)
561. Opie (12)
562. Opitz (2)
563. Opladen (1)
564. Opp (58)
565. Oppenheim (4)
566. Oppenheimer (2)
567. Opper (1)
568. Opperman (4)
569. Oppert (1)
570. Oppewal (1)
571. Oppikofer (1)
572. Opple (1)
573. Oppocher (1)
574. Opre (12)
575. Opsahl (1)
576. Or Filley (1)
577. Ora (1)
578. Oram (1)
579. Orange (1)
580. Orbeson (1)
581. Orchard (84)
582. Orchard-Lisle (3)
583. Orcharton (4)
584. Orcholski (1)
585. Orcodes (1)
586. Orcull (1)
587. Orcutt (18)
588. Ord (20)
589. Ordgar (1)
590. Ording (16)
591. Ordonez (1)
592. Ordway (16)
593. Oreagono (3)
594. Oreander (1)
595. Orebaugh (1)
596. Oreley (1)
597. Orelli (2)
598. Orelsworth (1)
599. Orem (2)
600. Oren (18)
601. Orence (1)
602. Orendorff (1)
603. Orenkewicz (3)
604. Orgar (2)
605. Orgelman (6)
606. Orgill (8)
607. Ori (3)
608. Orianna (16)
609. Oriento (4)
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611. Origer (1)
612. Orilla (3)
613. Orin (18)
614. Orkelman (1)
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616. Orland (2)
617. Orlando (2)
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619. Orleans (10)
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625. Ormands (2)
626. Orme (3)
627. Ormebee (1)
628. Ormerod (13)
629. Ormesby (10)
630. Ormiston (25)
631. Ormond (2)
632. Ormsbee (19)
633. Ormsbie (4)
634. Ormsby (98)
635. Orndoff (2)
636. Orndorff (19)
637. Orne (5)
638. Orner (1)
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642. Orpen (2)
643. Orphaetta (6)
644. Orr (154)
645. Orr-Ewing (9)
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654. Orser (14)
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662. Ort (5)
663. Ortagus (5)
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697. Osborne (474)
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734. Ost (36)
735. Ostander (5)
736. Ostby (3)
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739. Ostenmeier (9)
740. Oster (14)
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742. Osterberg (2)
743. Osterbosky (47)
744. Osterby (7)
745. Osterhaut (6)
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747. Osterholz (5)
748. Osterhoudt (18)
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751. Osterloh (2)
752. Osterman (23)
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757. Ostick (1)
758. Ostiguy (11)
759. Ostler (3)
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761. Ostman (8)
762. Ostrander (992)
763. Ostrevant (5)
764. Ostrogoths (7)
765. Ostrom (86)
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767. Ostrosky (1)
768. Ostrow (1)
769. Ostrum (2)
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774. Ota (1)
775. Otehild (1)
776. Oterby (14)
777. Oteri (1)
778. Otero (1)
779. Otersky (3)
780. Otes (Otis) (1)
781. Otesburg (1)
782. Others (1)
783. Others. (3)
784. Othon (1)
785. Otime (1)
786. Otis (153)
787. Ott (141)
788. Ottar (9)
789. Ottarsson (9)
790. Otte (17)
791. Otten (6)
792. Otter (7)
793. Otterbach (1)
794. Otterdahl (1)
795. Otterman (2)
796. Otterstedt (1)
797. Ottesen (1)
798. Otteson (2)
799. Ottey (1)
800. Ottin (17)
801. Ottinger (16)
802. Ottman (4)
803. Ottnat (1)
804. Otto (146)
805. Otto Eudes (1)
806. Otto I (1)
807. Otto Iv (1)
808. Ottolander (1)
809. Ottosen (2)
810. Ottoson (8)
811. Ottowitz (1)
812. Ottway (1)
813. Ottwell (2)
814. Otty (1)
815. Oudin (2)
816. Ouellette (7)
817. Ough (2)
818. Ougheltree (2)
819. Ouimet (9)
820. Ould (12)
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822. Oulton (11)
823. Ouman (2)
824. Ourada (45)
825. Ourado (15)
826. Ouster (1)
827. Ousterman (29)
828. out (1)
829. Outcalt (19)
830. Outerbridge (5)
831. Outerkerk (2)
832. Outheir (2)
833. Outhier (1)
834. Outhouse (34)
835. Outlaw (5)
836. Outman (1)
837. Outten (5)
838. Outwater (8)
839. Ovaitt (1)
840. Ovard (10)
841. Ovason (3)
842. Ovedale (2)
843. Overacker (3)
844. Overaker (1)
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846. Overbaugh (6)
847. Overbeck (1)
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851. Overhoiser (1)
852. Overholser (8)
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855. Overington (92)
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858. Overlander (4)
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864. Overrocker (2)
865. Overson (2)
866. Overstreet (8)
867. Overton (15276)
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870. Oviatt (48)
871. Ovington (5)
872. Owain (42)
873. Owen (849)
874. Owenby (1)
875. Owens (283)
876. Owian (3)
877. Owings (2)
878. Owlett (3)
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880. Owsley (2)
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882. Oxen (2)
883. Oxenbridge (53)
884. Oxenham (16)
885. Oxenhope (4)
886. Oxford (4)
887. Oxfordshire (4)
888. Oxler (1)
889. Oxley (25)
890. Oxner (1)
891. Oxten (1)
892. Oxton (4)
893. Oxx (2)
894. Oxy (1)
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896. Oyle (2)
897. Oyler (1)
898. Oyli (6)
899. Oyster (17)
900. Oysterby (6)
901. Ozalis (14)
902. Ozaroski (10)
903. Ozborn (5)
904. Ozborn or Ozbun (1)
905. Ozella (1)
906. Oziah (37)
907. Ozmun (3)

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