Mariages
Commune/Paroisse : Tarnos [Landes] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | OGER | 1888-1938 | 2 | 1 |
| 2. | OLHAGARAY | 1922 | 1 | - |
| 3. | OLHATS | 1795-1806 | 1 | 1 |
| 4. | OLHATZ | 1827 | - | 1 |
| 5. | ORDESON (D') | 1715 | - | 1 |
| 6. | ORTET | 1817-1939 | 15 | 7 |
| 7. | ORTHET | 1856 | - | 1 |
| 8. | ORTOLO | 1925 | 1 | - |
| 9. | ORTUÑO | 1937-1938 | - | 2 |
| 10. | OSPITAL | 1913-1938 | 1 | 1 |
| 11. | OUBET | 1834 | - | 1 |
| 12. | OUDART | 1918 | 1 | - |
| 13. | OZUN | 1939 | - | 1 |