Surname List: Begins with O

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

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1. O Connor (1)
2. O'Beim (1)
3. O'Beirn (11)
4. O'Brien (2)
5. O'Connell (4)
6. O'Hair (2)
7. O'Rear (1)
8. O'Shea (3)

9. Obeirn (2)
10. Obrien (1)
11. Odierna (1)
12. Ogden (83)
13. Ojea (1)
14. Ojea Gomez (2)
15. Olaçaual Ycheuerria (1)
16. Olaçaual - - - - - (1)

17. Olaçaual Elizalde (1)
18. Olacaual Jaureguia (1)
19. Olaiz - - - - - (1)
20. Olaiz Machilanda (1)
21. Olds (2)
22. Oliver (7)
23. Olivie (2)
24. Onthank (5)

25. Ordway (8)
26. Oroz Gaztelu (1)
27. Oruezaval Beisagasti (1)
28. Oruezaval Echeberria (2)
29. Oruezaval Echeverria (3)
30. Oruezaval Telleria (7)
31. Oruezaval Thelleria (2)
32. Orvezaval Telleria (1)

33. Osborn (1)
34. Osborne (1)
35. Osler (5)
36. Osorio (2)
37. Ottinger (3)
38. Owen (3)
39. Oyarçaval - - - - - (2)