Mariages
Commune/Paroisse : Espès-Undurein [Pyrénées-Atlantiques] 
Inventaire des registres de l'état civil
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | OHOILEGUY | 1852 | - | 2 |
| 2. | OHOILLEGUY | 1858 | - | 2 |
| 3. | OHOLEGUI | 1767 | - | 1 |
| 4. | OHOLEGUY | 1874 | - | 1 |
| 5. | OIHENART | 1797 | 1 | - |
| 6. | OISTE | 1786 | 1 | - |
| 7. | OISTE BASTERREIX | 1814 | 1 | - |
| 8. | ONISMENDI | 1759 | - | 1 |
| 9. | ORDOQUIHANDY LEYCIAGUEBERRY | 1869 | 1 | - |
| 10. | OSQUIGUILIA | 1785 | - | 1 |
| 11. | OSTA | 1830-1831 | - | 2 |
| 12. | OSTE | 1810 | - | 2 |
| 13. | OTHEGAIN | 1809 | - | 2 |
| 14. | OTHEGUY | 1771 | - | 1 |
| 15. | OXENDEBERRO | 1764-1770 | - | 3 |
| 16. | OYHAMBURU | 1840 | - | 1 |
| 17. | OYHANART | 1797 | 1 | - |
| 18. | OYHANBURU | 1743 | - | 1 |
| 19. | OYHEMBURU | 1801 | - | 1 |
| 20. | OYHENARD | 1742-1827 | 5 | 4 |
| 21. | OYHENART | 1812-1893 | 5 | 1 |
| 22. | OYHENART RECALT | 1857 | - | 2 |
| 23. | OYHENBURU | 1793-1801 | 2 | 3 |
| 24. | OYHENBURU BARNECHE | 1786 | 1 | - |
| 25. | OYHERQUY | 1797 | - | 1 |