Commune/Paroisse : Ainhoa [Pyrénées-Atlantiques]
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | OARRITS (D') | 1782 | - | 1 |
| 2. | OCARRANZA | 1842 | - | 1 |
| 3. | ODDOS | 1820 | 1 | - |
| 4. | OHET | 1822-1874 | 2 | 3 |
| 5. | OLASAR | 1838 | - | 1 |
| 6. | OLAZAR | 1867 | - | 1 |
| 7. | OLHAGARAY | 1791-1893 | 3 | 4 |
| 8. | OLHASSO | 1805 | 1 | - |
| 9. | OPOCA | 1798-1812 | - | 2 |
| 10. | OPPOCA | 1797-1858 | 2 | 1 |
| 11. | ORIOÇABALA | 1857 | - | 1 |
| 12. | ORNALETCHE | 1775 | 1 | - |
| 13. | OSACAR | 1837-1890 | - | 7 |
| 14. | OSPITAL | 1871-1892 | 2 | - |
| 15. | OSSACAR | 1797-1831 | 2 | - |
| 16. | OSSINAGUÉ | 1858 | 1 | - |
| 17. | OURTAU | 1840 | 1 | - |
| 18. | OURTEAU | 1874 | 1 | - |
| 19. | OXAGARAT | 1888 | - | 1 |
| 20. | OXAGARAT DIT OXAGARAY | 1849 | 1 | - |
| 21. | OXOBY | 1827 | - | 1 |
| 22. | OYHAMBURE | 1792 | 1 | - |
| 23. | OYHARÇABAL | 1848-1849 | - | 2 |
| 24. | OYHARCAL | 1778 | 1 | - |
| 25. | OYHARÇABAL (D') | 1789 | 1 | - |
| 26. | OYHARZABAL DIT BEGNAT | 1859 | 1 | - |