Mariages
Commune/Paroisse : Oloron-Sainte-Marie [Pyrénées-Atlantiques] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | ODDE | 1872 | - | 1 |
| 2. | OGER | 1883 | 1 | - |
| 3. | OJANE | 1885 | - | 1 |
| 4. | OLHATS | 1895 | - | 1 |
| 5. | OLIVE | 1828 | - | 1 |
| 6. | OLIVERO | 1859 | - | 1 |
| 7. | OLLÉ LAPRUNE | 1898 | 1 | - |
| 8. | OMBRATIU | 1813 | - | 1 |
| 9. | ONAGOITY | 1857 | - | 1 |
| 10. | ORANSANZ | 1889 | - | 1 |
| 11. | ORDOQUIHANDY | 1839-1883 | - | 2 |
| 12. | ORDUNA | 1885 | - | 1 |
| 13. | ORFILIÈRE | 1807 | 1 | - |
| 14. | ORGAMBIDEBORDE | 1864 | - | 1 |
| 15. | OROGNEN | 1798-1895 | 3 | 3 |
| 16. | OSCAMOU dite HAURE | 1865 | - | 1 |
| 17. | OSINIRI | 1883-1890 | 1 | 2 |
| 18. | OUILHON | 1798 | 1 | - |
| 19. | OURTIGA | 1838 | - | 1 |
| 20. | OUSSINI | 1895 | 1 | - |
| 21. | OYHANART | 1820 | - | 1 |
| 22. | OYHEMBURU | 1851 | - | 1 |
| 23. | OZOGNEN | 1860 | 1 | - |