Mariages
Commune/Paroisse : THONON-LES-BAINS [Haute Savoie] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | O'CONOR | 1867 | 1 | - |
| 2. | OBERLIN | 1890 | 1 | - |
| 3. | ODISIER | 1708 | 1 | - |
| 4. | OEHLE | 1869 | - | 1 |
| 5. | OGNE | 1818-1894 | 4 | 4 |
| 6. | OLIVET | 1810-1822 | 2 | - |
| 7. | OLIVIER | 1641-1885 | 6 | 8 |
| 8. | ORLANDIN DIT STE CLAIR | 1627 | - | 1 |
| 9. | ORSET | 1683 | - | 1 |
| 10. | ORSIER | 1865 | - | 1 |
| 11. | ORSSET | 1632 | 1 | - |
| 12. | OUVRIER | 1719-1732 | 2 | - |
| 13. | OYSEL | 1837 | - | 1 |
| 14. | OYSET | 1836 | - | 1 |