Starting with letter T
| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 401 | Tum | Egyptian | Great god of Annu. | M | |
| 402 | Tuomas | Finnish | Finnish form of Thomas. | M | |
| 403 | Tupi | NativeAmerican | To pull up (Miwok). | M | |
| 404 | Tupper | English | Ram herder. | M | |
| 405 | Turfeinar | Norse | Son of Rognvald. | M | |
| 406 | Turner | French | Champion in a tournament. | M | |
| 407 | Turner | Latin | Works on the lathe. | M | |
| 408 | Turnus | Latin | Killed by Aeneas. | M | |
| 409 | Twain | English | Cut in two. | M | |
| 410 | Twiford | English | From the double river ford. | M | |
| 411 | Twitchel | English | Lives on a narrow passage. | M | |
| 412 | Twm | Welsh | Welsh form of Tom 'gift from God'. | M | |
| 413 | Twrgadarn | Welsh | Tower of stlength. | M | |
| 414 | Txanton | Basque | Basque for Joseph. | M | |
| 415 | Ty | English | Abbreviation for names beginning with 'Ty-.'. | M | |
| 416 | Ty | Irish | Diminutive of Tyrone: Eoghan's land (from a county in Ireland). | M | |
| 417 | Tybalt | Shakespearean | 'The Tragedy of Romeo And Juliet' Nephew to Lady Capulet. | M | |
| 418 | Tydeus | Greek | Father of Diomedes. | M | |
| 419 | Tyeis | French | Son of a German. | M | |
| 420 | Tyesone | English | Son of Tye. | M | |