Commune/Paroisse : Seyssel [Haute-Savoie] 
| Patronymes | Périodes | Actes | |
|---|---|---|---|
| 1. | THEPA | 1746 | 1 |
| 2. | THERIOT | 1809 | 1 |
| 3. | THEVENAUD | 1811 | 1 |
| 4. | THEVENET | 1738-1810 | 27 |
| 5. | THEVENOD | 1759-1812 | 8 |
| 6. | THEVENOT | 1750-1807 | 8 |
| 7. | THEVENOZ | 1740 | 1 |
| 8. | THEZEU | 1737 | 1 |
| 9. | THIBAUD | 1772-1800 | 3 |
| 10. | THIBOD | 1775 | 1 |
| 11. | THIBOU | 1749 | 1 |
| 12. | THIBOUD | 1741-1815 | 40 |
| 13. | THIBOUST | 1760-1772 | 2 |
| 14. | THIBOUX | 1759 | 1 |
| 15. | THOMAS | 1759-1785 | 3 |
| 16. | THOME DITE DUMOULIN | 1784 | 1 |
| 17. | THOSIER | 1800 | 1 |
| 18. | THOUE | 1813 | 1 |