Ancestry Research in Ireland
Show surnames starting with
[no surname] A B C D E F G H I J K L M N O P Q R S T U V W Y Z
All surnames beginning with O, sorted alphabetically (total individuals):
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1. Ó Dugain (1) 2. O'Boyle (18) 3. O'Brien (39) 4. O'Cahane (2) 5. O'Callaghan (2) 6. O'Connell (32) 7. O'Connor (3) 8. O'Dempsey (1) |
9. O'Docharty (21) 10. O'Docherty (8) 11. O'Donahue (1) 12. O'Donnell (13) 13. O'Dowd (2) 14. O'Hanlon (1) 15. O'Hara (1) 16. O'Keeffe (1) |
17. O'Malley (1) 18. O'More (1) 19. O'Neal (7) 20. O'Neill (68) 21. O'Reilly (3) 22. O'Riordan (2) 23. O'Sullivan (2) 24. O'Toole (6) |
25. Obitz (7) 26. Olafsdotter (1) 27. Óláfsson (1) 28. Olofsdotter (6) 29. Olofsson (5) 30. Olsdotter (4) 31. Olsson (2) 32. Opitz (2) |
33. Osraige (1) 34. Östergren (8) 35. Ostogren (1) 36. Overton (1) 37. Owen (1) |
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