| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Tranter | TRAN-tər | English (Rare) | ||
| Travers | TRA-vərz | English (Rare) | ||
| Travis | TRA-vis | English | ||
| Treasa | TRA-sa | Irish | ||
| Treasach | - | Irish | ||
| Treasure | TRE-zhər | English (Modern) | ||
| Trecia | - | English (Rare) | ||
| Trees | TRAY:S (Dutch) | Dutch, Limburgish | ||
| Trefor | - | Welsh | ||
| Trent | TRENT | English | ||
| Trenton | TREN-tən | English | ||
| Tresha | - | English (Rare) | ||
| Trev | TREV (English) | Welsh, English | ||
| Trevelyan | trə-VEL-yən | English (Rare) | ||
| Trevor | TRE-vər (English) | Welsh, English |