| Carl Thomas | Uggla | 1747 | |
| Maximilian Emanuel Thomas | von Bayern | 1704 | 1709 |
| Maximilian Thomas | von Habsburg | 1638 | 1639 |
| Thomas | Beaufort | ~1377 | 1426 |
| Thomas | Beaufort | 1405 | 1431 |
| Thomas | Boleyn | ~1477 | 1539 |
| Thomas | von Braunschweig-Grubenhagen | ~1338 | ~1384 |
| Thomas | Bruce | | |
| Thomas | de Burgh | | |
| Thomas | de Burgh | ~1292 | 1316 |
| Thomas | Chaucer | ~1367 | 1434 |
| Thomas | de Clare | ~1245 | 1287 |
| Thomas | Duke of Clarence | 1387 | 1421 |
| Thomas | de Courtenay | | |
| Thomas | le Despenser | 1373 | 1400 |
| Thomas | of England | 1300 | 1338 |
| Thomas | de Ferrers | | |
| Thomas | FitzAlan | | |
| Thomas | Grey | 1455 | 1501 |
| Thomas | Grey | 1477 | 1530 |