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Surname List: Begins with O


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'BRIAIN (1)
2. O'BRIEN (40)
3. O'BYRNE (1)
4. O'CAELLAIDE (2)
5. O'CARROLL (7)
6. O'CONNOR (6)
7. O'CONNOR CORC (1)
8. O'DEMPSEY (1)
9. O'DONOUGHUE (1)
10. O'FLAHERTY (4)
11. O'FOGARTY (1)
12. O'KEEFE (1)
13. O'KENNEDY (4)
14. O'MOORE (1)
15. O'MORDA (4)
16. O'MULLOY (1)
17. O'NEIL (1)
18. O'NEILL (3)
19. O'R BALA AP MAREDUDD (1)
20. O'R HENDWR (1)
21. O'R RHUDDALLT AP MADOG (1)
22. O'R RHUDDALT TUDUR (1)
23. O'RILEY (1)
24. O'SULLIVAN (1)
25. O'TOOL (1)
26. O'TOOLE (9)
   27. OAKFORD (1)
28. OAKS (2)
29. OARA (1)
30. OATES (1)
31. OBAMA (1)
32. OBNECHT (1)
33. OCHS (2)
34. OCQUIDEM (2)
35. ODINGSELS (1)
36. ODOÁRIZ (1)
37. ODYNGSELES (2)
38. OFFING (1)
39. OGBORN (7)
40. OGBURN (2)
41. OGDEN (10)
42. OGILVY (5)
43. OGLE (5)
44. OGMUNDSSON (1)
45. OIKAWA (1)
46. OKESTON (1)
47. OLAFSDATTER (2)
48. OLAFSDOTTER (1)
49. OLAFSDOTTIR (4)
50. OLAFSSON (8)
51. OLAVSDATTER (1)
52. OLAVSSON (3)
   53. OLAVVSSON (1)
54. OLD (1)
55. OLDCASTLE (8)
56. OLDENBURG (2)
57. OLDFATHER (1)
58. OLDFIELD (1)
59. OLDMAN (1)
60. OLDSON (1)
61. OLEGOVICH (4)
62. OLIPARAMPIL (1)
63. OLIPHANT (3)
64. OLIVER (3)
65. OLIVIER (1)
66. OLMSTEAD (7)
67. OLOFSDOTTER (1)
68. OLSEN (2)
69. OLTROGGE (1)
70. ONLEY (2)
71. ONNESLOW (1)
72. OOUTCHIBAHABANAU (1)
73. OPPRAECHT (1)
74. ORCHARD (1)
75. ORDOÑEZ (29)
76. ORIELDIS (1)
77. ORILLON (5)
78. ORILLON CHAMPAGNE (1)
   79. ORILLON DIT CHAMPAGNE (1)
80. ORLAND (1)
81. ORMES (1)
82. ORMESTON-JOHNSTON (1)
83. ORMSDATTER (1)
84. ORMSEN (1)
85. ORMSSON (1)
86. ORR (3)
87. ORRE (1)
88. ORREBY (1)
89. ORRELL (1)
90. ORSEOLO (4)
91. ORSINI (10)
92. ORTIZ (10)
93. OSBORN (2)
94. OSBORNE (15)
95. OSGOOD (1)
96. OSÓREZ (3)
97. OSORIEZ (3)
98. OSORIO (2)
99. OSÓRIZ (4)
100. OSPAKSSON (1)
101. OSTRANDER (1)
102. OSWIN (6)
103. OTELEY (2)
104. OTHO (1)
   105. OTHON (1)
106. OTT (3)
107. OTTERBURN (1)
108. OUASIBISKOUNESOUT (1)
109. OUDELAND (1)
110. OUELLET (4)
111. OUELLETTE (11)
112. OUEOU (1)
113. OUIMET (23)
114. OUIMET DIT BASTIEN (1)
115. OUIMETTE (1)
116. OUINET (4)
117. OUPITAOUABAMOUKOU (1)
118. OUROM (1)
119. OURSLER (1)
120. OUTHOUT (1)
121. OUTLAND (4)
122. OVÉQUIZ (9)
123. OVERSTREET (3)
124. OVERTON (3)
125. OWEN (88)
126. OWENS (3)
127. OZUR (1)



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This site and our blog Empty Nest Genealogy have been neglected for quite a while due to my health issues.

The situation was made worse by trying to maximize the sources found on paid sites by saving them to a folder and entering only the data for individuals into the database. I had every intention of attaching them later.

There will be frequent updates as work progresses.

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