Commune/Paroisse : Chamonix-Mont-Blanc [Haute-Savoie] 
| Patronymes | Périodes | Actes | |
|---|---|---|---|
| 1. | THAM | 1923 | 1 |
| 2. | THÉLÉMAQUE | 1927 | 1 |
| 3. | THERRY | 1898 | 1 |
| 4. | THÉVENET | 1898-1939 | 3 |
| 5. | THIOLIÈRE | 1937-1952 | 2 |
| 6. | THIRY | 1911 | 1 |
| 7. | THISSAY | 1701 | 1 |
| 8. | THISSEY | 1835 | 1 |
| 9. | THOMAS | 1929-1942 | 2 |
| 10. | THOMASSET | 1786 | 1 |
| 11. | THORANT | 1815 | 1 |
| 12. | THORENS | 1699 | 1 |
| 13. | THYLLAZ | 1835 | 1 |