Mariages
Commune/Paroisse : Itxassou [Pyrénées-Atlantiques] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | OHAT | 1884 | - | 1 |
| 2. | OHATE | 1856 | 1 | - |
| 3. | OHATS | 1887 | 1 | - |
| 4. | OHET | 1841-1905 | 3 | 1 |
| 5. | OILLATAGUERRE | 1929 | - | 1 |
| 6. | OLETCHIA | 1930 | 1 | - |
| 7. | OLHAGARAY | 1830-1931 | 4 | 4 |
| 8. | OLIVE | 1894 | 1 | - |
| 9. | ONDICOLA | 1804-1920 | 3 | 13 |
| 10. | ORCASBERRO | 1797-1896 | 9 | 12 |
| 11. | ORCASBOURU | 1841 | - | 1 |
| 12. | ORCAZBERRO | 1804 | - | 1 |
| 13. | ORDONNÈS | 1928 | 1 | - |
| 14. | ORHATEGARAY | 1909 | 1 | - |
| 15. | ORRUSPIL | 1842 | - | 1 |
| 16. | OSSINAGA | 1891 | - | 1 |
| 17. | OTHÉGUY | 1921 | 1 | - |
| 18. | OTHONDO | 1867-1925 | 4 | 3 |
| 19. | OTONDO | 1884-1930 | 1 | 2 |
| 20. | OUHARRETOU | 1885 | - | 1 |
| 21. | OXANDABARATS | 1808-1837 | 4 | - |
| 22. | OXANDABARATX | 1845 | - | 1 |
| 23. | OXANDABARATZ | 1793-1886 | 2 | 6 |
| 24. | OXANDABOURE | 1895-1903 | 2 | - |
| 25. | OXARAN | 1890 | 1 | - |
| 26. | OXOBI | 1823 | - | 1 |
| 27. | OYHARÇABAL | 1888 | - | 1 |
| 28. | OYHENART | 1796 | - | 1 |