Commune/Paroisse : LIBOURNE [Gironde] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | O'CONNEL | 1908 | - | 1 |
| 2. | OBDULE | 1862 | - | 1 |
| 3. | OBISSIER | 1855-1882 | 1 | 2 |
| 4. | OBRE | 1892-1941 | - | 2 |
| 5. | OCCRE | 1833 | 1 | - |
| 6. | OCRE | 1808-1826 | 1 | 1 |
| 7. | ODERO | 1908-1929 | 1 | 2 |
| 8. | ODIC | 1867 | 1 | - |
| 9. | OFFMANN | 1913 | 1 | - |
| 10. | OGER | 1917-1925 | 2 | - |
| 11. | OLET | 1804-1853 | 3 | 3 |
| 12. | OLFINEAU | 1877 | 1 | - |
| 13. | OLIER | 1845 | 1 | - |
| 14. | OLIVE | 1863 | 1 | - |
| 15. | OLIVET | 1808-1811 | - | 2 |
| 16. | OLIVIE | 1866 | 1 | - |
| 17. | OLIVIER | 1821-1927 | 6 | 14 |
| 18. | OLIVIER VILAIN | 1893 | 1 | - |
| 19. | OLLET | 1817-1835 | 2 | 1 |
| 20. | OLLIVIER | 1684-1939 | 16 | 11 |
| 21. | OMER | 1920 | - | 1 |
| 22. | OMER OYEN | 1913 | - | 1 |
| 23. | ONDET | 1906-1911 | 1 | 2 |
| 24. | OPIC | 1929 | - | 1 |
| 25. | ORCIBAL | 1836 | 1 | - |
| 26. | ORDONEAU | 1919 | - | 1 |
| 27. | ORDONNEAU | 1906 | 1 | - |
| 28. | ORE | 1881 | - | 1 |
| 29. | ORFEUILLET | 1821 | - | 1 |
| 30. | ORGUEIL D' | 1815-1817 | - | 3 |
| 31. | ORION | 1907 | - | 1 |
| 32. | ORJUBIN | 1919 | 1 | - |
| 33. | ORLANDO | 1942 | - | 1 |
| 34. | ORNA | 1931 | - | 1 |
| 35. | ORRY | 1937 | - | 1 |
| 36. | ORSINI | 1935 | - | 1 |
| 37. | ORTEIL | 1890-1920 | 2 | - |
| 38. | ORTELARY | 1895-1920 | 1 | 1 |
| 39. | ORTIE | 1881 | 1 | - |
| 40. | ORTIGER | 1878 | - | 1 |
| 41. | ORTIZ | 1914 | - | 1 |
| 42. | ORVOUET | 1914 | - | 1 |
| 43. | OSSARD | 1840-1893 | - | 3 |
| 44. | OSSET | 1920 | - | 1 |
| 45. | OSTYN | 1919 | - | 1 |
| 46. | OTT | 1840 | 1 | - |
| 47. | OUBRET | 1684 | - | 1 |
| 48. | OUI | 1820-1836 | - | 2 |
| 49. | OUISTE | 1923 | - | 1 |
| 50. | OUISTRY | 1836 | 1 | - |
| 51. | OULIER | 1821 | - | 1 |
| 52. | OURCADE | 1912-1927 | 2 | 2 |
| 53. | OURTHIGOUS | 1869-1889 | - | 3 |
| 54. | OURY | 1870 | - | 1 |
| 55. | OUSTALET | 1863 | - | 1 |
| 56. | OUSTRY | 1893 | 1 | - |
| 57. | OUVRARD | 1684-1939 | - | 3 |
| 58. | OUVRET | 1941 | - | 1 |
| 59. | OUZEAU | 1907 | - | 1 |
| 60. | OUZOULIAS | 1859 | 1 | - |
| 61. | OWETTAU | 1798 | - | 1 |
| 62. | OYEN | 1902-1930 | 2 | - |
| 63. | OYET | 1800 | - | 1 |