| Name | Meaning | Gender | Origin |
|---|
| Tavis | Twin | Male | Aramaic |
| Tavon | Variant Of The Word Teeve Hillside. | Male | American English |
| Teague | Descendant of Tadhg | Male | Gaelic |
| Terence | Uncertain | Male | Latin |
| Terrence | Uncertain | Male | Latin |
| Tevin | Beautiful at birth | Unisex | Gaelic |
| Thomas | Twin | Male | Aramaic |
| Tiernan | Lord | Male | Gaelic |
| Tierney | Lordly, noble | Male | Gaelic |
| Tomas | Twin | Male | English |
| Torin | Chief | Male | Gaelic |
| Torrance | Uncertain, maybe soft, tender | Male | Latin |
| Torrey | Conqueror | Male | Latin |
| Tory | Conqueror | Unisex | Latin |
| Trevor | Large settlement | Male | Welsh |
| Tynan | Dark | Unisex | English |
| Tyrel | Derivative Of The Scandinavian God Of Battle Tyr. Tuesday Was Named For Tyr. | Male | English |
| Tyrell | Thunder Ruler | Unisex | English |
| Tyrone | Land of the noble | Male | Gaelic |
| Ultan | Of Ulster, Ireland | Male | Irish |
| William | Will, desire and helmet, protection | Male | Germanic |