Commune/Paroisse : Seyssel [Haute-Savoie] 
| Patronymes | Périodes | Actes | |
|---|---|---|---|
| 1. | THERIOT | 1806-1809 | 3 |
| 2. | THEVENAU | 1760 | 1 |
| 3. | THEVENET | 1737-1776 | 17 |
| 4. | THEVENIN | 1800 | 1 |
| 5. | THEVENOD | 1744-1803 | 12 |
| 6. | THEVENOT | 1741-1804 | 13 |
| 7. | THEVENOU | 1737 | 1 |
| 8. | THEVENOZ | 1759 | 1 |
| 9. | THIBAUD | 1741-1781 | 4 |
| 10. | THIBAUT | 1765-1783 | 4 |
| 11. | THIBOU | 1750 | 1 |
| 12. | THIBOUD | 1737-1815 | 69 |
| 13. | THIBOUST | 1763-1772 | 5 |
| 14. | THIBOUX | 1761 | 1 |
| 15. | THOLON | 1774 | 1 |
| 16. | THOMAS | 1767 | 1 |
| 17. | THOMÉ | 1738-1782 | 2 |
| 18. | THONON | 1798-1803 | 2 |