Names
| Name | Total | Name | Total | Name | Total | Name | Total | Name | Total |
|---|---|---|---|---|---|---|---|---|---|
| Tait | 1 | Thweng | 2 | Tosny | 3 | Traves | 2 | Turnbull | 3 |
| Talbot | 10 | Thwenge | 2 | Totnes | 2 | Trencavel | 2 | Turner | 9 |
| Tegeingl | 3 | Tibetot | 3 | Toulouse | 5 | Trick | 22 | Turqueville | 1 |
| Thornhill | 2 | Tintagel | 2 | Tours | 5 | Troyes | 1 | Tuscany | 2 |
| Thouars | 15 | Tod | 1 | Towatters | 13 | Trussell | 3 | Tutadonna | 1 |
| Throckmorton | 4 | Tompkins | 2 | Trainel, de | 1 | Tucker | 15 | Twowatters | 6 |
| Thurgrim | 2 | Tonnerre | 1 | Translyvania | 1 | Turberville | 9 | Tynedale | 3 |
| Thuringia | 1 | Tony | 10 | Transylvania | 1 | Turin | 8 | - | - |