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Long Island Surnames

Database archives of Long Island Genealogy containing 3,212,043 people, 1,215,933 families, 171,229 sources and 254,183 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 (199)
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'Donohue (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 (109)
95. O'Neill (153)
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 (25)
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 (4872)
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 (15)
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 (320)
182. Occhiogrosso (2)
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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)
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208. Oddie (9)
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211. Oddingsells (12)
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219. Odell (297)
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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)
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271. Of England (4)
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328. Ogborne (6)
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331. Ogden (750)
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337. Ogilvie (205)
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339. Ogle (242)
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344. Ogne (2)
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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)
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356. Ohlsson (1)
357. Ohm (3)
358. Ohman (1)
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361. Ohningen (2)
362. Ohno (1)
363. Ohnsorg (1)
364. Ohora (1)
   365. Ohren (4)
366. Ohrendorff (5)
367. Ohrndorff (5)
368. Ohrtman (6)
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370. Oille (16)
371. Oissin (1)
372. Ojala (8)
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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)
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392. Oknowski (16)
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394. Okst (12)
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399. Olafsdotter (7)
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406. Olcott (57)
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417. Oldershaw (34)
418. Oldfield (74)
419. Oldham (88)
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425. Olds (160)
426. Ole (1)
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437. Olin (11)
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439. Olinchave (1)
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442. Olinger (4)
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447. Olive (54)
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449. Oliver (628)
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506. Olyer (2)
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508. Oman (39)
509. Omand (2)
510. Omeara (1)
511. Omer (6)
512. Omerle (1)
513. Ominoff (2)
514. Omo (1)
515. Omond (1)
516. Onan (1)
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534. Onifer (1)
535. Onion (2)
536. Onisko (5)
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538. Onley (7)
539. Onmam (1)
540. Ono (1)
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792. Otten (6)
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802. Ottinger (16)
803. Ottman (4)
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805. Otto (147)
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808. Otto Iv (1)
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812. Ottowitz (1)
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814. Ottwell (2)
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817. Ouellette (7)
818. Ough (2)
819. Ougheltree (2)
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824. Ouman (2)
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829. out (1)
830. Outcalt (19)
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833. Outheir (2)
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866. Overson (2)
867. Overstreet (8)
868. Overton (15367)
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871. Oviatt (49)
872. Ovington (5)
873. Owain (42)
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877. Owian (3)
878. Owings (2)
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884. Oxenbridge (53)
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886. Oxenhope (4)
887. Oxford (4)
888. Oxfordshire (4)
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891. Oxner (1)
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902. Ozalis (14)
903. Ozaroski (10)
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905. Ozborn or Ozbun (1)
906. Ozella (1)
907. Oziah (37)
908. Ozmun (3)

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