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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 (92)
2. O Brien (5)
3. O' Neal (1)
4. O' Neill (8)
5. O' Rourke (1)
6. O'Banks (3)
7. O'Berry (13)
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 (355)
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 (51)
29. O'Conner (16)
30. O'Conners (1)
31. O'Conney (1)
32. O'Connor (108)
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 (206)
40. O'Doherty (1)
41. O'Domnail (2)
42. O'Donahue (20)
43. O'Donald (15)
44. O'Donnel (1)
45. O'Donnell (67)
46. O'Donoghue (7)
47. O'Donohue (2)
48. O'Donovan (21)
49. O'Dorritty (2)
50. O'Dorrity (21)
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 (19)
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 (110)
95. O'Neill (155)
96. O'Niel (6)
97. O'Oconner (1)
98. O'Pezio (4)
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 (18)
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 (1180)
128. Oakey (6)
129. Oakie (1)
130. Oakley (4978)
131. Oakman (7)
132. Oakrhind (1)
133. Oaks (48)
134. Oaksmith (12)
135. Oalker (1)
136. Oaster (4)
137. Oates (37)
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 (6)
176. Obotrites (10)
177. Obrien (1)
178. Obrig (1)
179. Obringer (1)
180. Obuchon (46)
181. Ocacio (1)
182. Ocame (321)
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185. Ocheltree (5)
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188. Ocho (1)
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190. Ochoa Cansing (1)
191. Ochs (7)
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193. Ochten (1)
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231. Odle (23)
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233. Odlozelik (1)
234. Odom (20)
235. Odomir (1)
236. Odor (5)
237. Odum (30)
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326. Ogan (7)
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328. Ogara (1)
329. Ogborne (6)
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332. Ogden (748)
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338. Ogilvie (205)
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340. Ogle (245)
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348. Ogyek (5)
349. Ohashi (6)
350. Ohl (7)
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352. Ohlman (3)
353. Ohlmiller (4)
354. Ohlsen (20)
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358. Ohm (3)
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362. Ohningen (2)
363. Ohno (1)
364. Ohnsorg (1)
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366. Ohren (4)
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371. Oille (16)
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377. Okeden (10)
378. Okeley (7)
379. Okell (16)
380. Okeover (1)
381. Okerley (29)
382. Okerley\Acheley (15)
383. Okerson (59)
384. Okeson (166)
385. Okeston (18)
386. Okie (21)
387. Okilley (14)
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426. Olds (188)
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441. Olinchave (1)
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451. Oliver (633)
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460. Olivier (6)
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508. Olyer (2)
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510. Oman (39)
511. Omand (2)
512. Omeara (1)
513. Omer (6)
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515. Ominoff (2)
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522. Onderdonk (635)
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532. Oney (2)
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536. Onifer (1)
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538. Onisko (5)
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542. Ono (1)
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548. Ooley (4)
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792. Ottarsson (10)
793. Otte (17)
794. Otten (6)
795. Otter (7)
796. Otterbach (1)
797. Otterdahl (1)
798. Otterman (2)
799. Otterstedt (1)
800. Ottesen (1)
801. Otteson (2)
802. Ottey (1)
803. Ottin (17)
804. Ottinger (16)
805. Ottman (4)
806. Ottnat (1)
807. Otto (150)
808. Otto Eudes (1)
809. Otto I (1)
810. Otto Iv (1)
811. Ottolander (1)
812. Ottosen (2)
813. Ottoson (8)
814. Ottowitz (1)
815. Ottway (1)
816. Ottwell (2)
817. Otty (1)
818. Oudin (2)
819. Ouellette (7)
820. Ough (2)
821. Ougheltree (2)
822. Ouimet (9)
823. Ould (12)
824. Oulds (1)
825. Oulton (11)
826. Ouman (2)
827. Ourada (45)
828. Ourado (15)
829. Ouster (1)
830. Ousterman (29)
831. Out (1)
832. Outcalt (19)
833. Outerbridge (5)
834. Outerkerk (2)
835. Outheir (2)
836. Outhier (1)
837. Outhouse (34)
838. Outlaw (5)
839. Outman (1)
840. Outten (6)
841. Outwater (7)
842. Ovaitt (1)
843. Ovard (10)
844. Ovason (3)
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846. Overacker (3)
847. Overaker (1)
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850. Overbeck (1)
851. Overby (4)
852. Overdeck (3)
853. Overfield (16)
854. Overhoiser (1)
855. Overholser (13)
856. Overholt (15)
857. Overin (1)
858. Overington (94)
859. Overison (1)
860. Overland (1)
861. Overlander (4)
862. Overly (2)
863. Overman (13)
864. Overmier (1)
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866. Overpaugh (1)
867. Overrocker (2)
868. Overson (3)
869. Overstreet (8)
870. Overton (15578)
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872. Oviat (1)
873. Oviatt (49)
874. Owain (42)
875. Owen (906)
876. Owenby (1)
877. Owens (285)
878. Owian (3)
879. Owings (2)
880. Owlett (3)
881. Ownby (1)
882. Owsley (2)
883. Oxedon (2)
884. Oxen (2)
885. Oxenbridge (53)
886. Oxenham (16)
887. Oxenhope (4)
888. Oxford (4)
889. Oxfordshire (4)
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891. Oxley (25)
892. Oxner (1)
893. Oxten (1)
894. Oxton (4)
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896. Oxy (1)
897. Oyer (7)
898. Oyle (2)
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900. Oyli (6)
901. Oyster (17)
902. Oysterby (6)
903. Ozalis (14)
904. Ozaroski (10)
905. Ozborn (5)
906. Ozborn or Ozbun (1)
907. Ozella (1)
908. Oziah (37)
909. Ozmun (3)
910. O’Brien (1)
  

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