Mariages
Commune/Paroisse : Biriatou [Pyrénées-Atlantiques] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | IARZA | 1882 | 1 | - |
| 2. | IBARBURU | 1842-1875 | 3 | 2 |
| 3. | IBARLUCEA | 1857 | 1 | - |
| 4. | IBARRA | 1854-1860 | - | 2 |
| 5. | IGARZA | 1883 | - | 1 |
| 6. | IGUINITZ | 1852-1892 | 3 | 1 |
| 7. | ILHARDOY | 1807-1899 | 11 | 11 |
| 8. | ILHARREGUY | 1859 | - | 1 |
| 9. | IMAZ | 1899 | 1 | - |
| 10. | INCHASTOY | 1827 | - | 2 |
| 11. | INDEY | 1879 | 1 | - |
| 12. | IPUTCHA | 1819-1853 | 2 | 2 |
| 13. | IRAGOLA | 1885 | - | 1 |
| 14. | IRAOLA | 1841-1861 | 2 | 1 |
| 15. | IRASSARRY | 1802 | 2 | - |
| 16. | IRASTORZA | 1900 | - | 1 |
| 17. | IRATçOQUY | 1806 | 2 | - |
| 18. | IRIARTE | 1888 | 1 | - |
| 19. | IRIBARREN | 1855-1866 | 1 | 2 |
| 20. | IRIGOYEN | 1881 | 1 | - |
| 21. | IRINITZ | 1806-1833 | - | 6 |
| 22. | IRRIBAREN | 1890 | - | 1 |
| 23. | ITHURRIA | 1891 | - | 1 |
| 24. | ITURRIA | 1864-1893 | 2 | 3 |
| 25. | ITXASSA | 1858-1859 | 1 | 1 |
| 26. | IZAGUERRE | 1888 | - | 1 |
| 27. | IZAGUIRRE | 1881 | - | 1 |