Commune/Paroisse : Laruns [Pyrénées-Atlantiques]
| Patronymes | Périodes | Actes | |
|---|---|---|---|
| 1. | OBIAGUE | 1921 | 1 |
| 2. | OBIS | 1922 | 1 |
| 3. | OLIBAN | 1848-1855 | 2 |
| 4. | OLIVAN | 1833-1933 | 21 |
| 5. | OLOZAGA | 1781 | 1 |
| 6. | OLOZAGA (OULOURAGNE ) | 1776 | 1 |
| 7. | OLOZAGAR | 1779 | 1 |
| 8. | OLOZARA | 1783 | 1 |
| 9. | ONABEHERE | 1870 | 1 |
| 10. | OPIN | 1927 | 1 |
| 11. | ORTEGA | 1920 | 1 |
| 12. | ORUS | 1923-1925 | 2 |
| 13. | OSSAU | 1645-1934 | 41 |
| 14. | OSSAU (D') | 1690-1696 | 2 |
| 15. | OSSAU (DOSSAU) | 1688 | 1 |
| 16. | OSSEAU | 1799 | 1 |
| 17. | OSSEAU ESPALUNGUE | 1798 | 1 |
| 18. | OTHAÏTZ | 1884 | 1 |
| 19. | OTHEGUY | 1789 | 1 |
| 20. | OUILHON | 1925 | 1 |
| 21. | OUSAU | 1643 | 1 |
| 22. | OUSSAU | 1659-1728 | 3 |