Commune/Paroisse : Izier [Luxembourg]
| Patronymes | Périodes | Actes | |
|---|---|---|---|
| 1. | TARCHOT | 1944 | 1 |
| 2. | TASSIN | 1809 | 1 |
| 3. | TAVIER | 1834-1934 | 5 |
| 4. | TERWAGNE | 1877 | 1 |
| 5. | THEIZEN | 1956 | 1 |
| 6. | THEMANCE | 1814 | 1 |
| 7. | THEODORE | 1920-1948 | 2 |
| 8. | THÉODORE | 1873 | 1 |
| 9. | THIERNESSE | 1950 | 1 |
| 10. | THIIRY | 1842 | 1 |
| 11. | THIRION | 1881-1954 | 6 |
| 12. | THIRY | 1805-1962 | 30 |
| 13. | THYRI | 1835 | 1 |
| 14. | TOMBEUR | 1829 | 1 |
| 15. | TOUBON | 1807 | 1 |
| 16. | TOUSSAINT | 1818-1958 | 5 |
| 17. | TRUSSART | 1906 | 1 |