| Name | Meaning | Gender | Origin |
|---|
| Tasgall | Cauldron of the Gods | Unisex | Norse |
| Taveon | Twin | Boy | |
| Tavey | Twin | Boy | |
| Tavin | Twin | Boy | |
| Tavio | Twin | Boy | |
| Tavion | Twin | Boy | |
| Tavis | Twin | Boy | |
| Tavish | Twin | Boy | |
| Tavon | Twin | Boy | |
| Tearlach | Instigator, Matured | Boy | Irish |
| Tevin | Twin | Boy | |
| Tevis | Twin | Boy | |
| Thane | Knight's attendant | Boy | Old English |
| Todd | Fox | Boy | Old English |
| Tomachan | Twin | Boy | |
| Tomag | Twin | Boy | |
| Tor | Victory, Castle, Watchtower | Boy | Old English |
| Toran | Victory, Castle, Watchtower | Boy | Irish |
| Torean | Victory, Castle, Watchtower | Boy | Irish |
| Toren | Victory, Castle, Watchtower | Boy | Irish |
| Torence | Victory, Castle, Watchtower | Boy | Irish |
| Torey | Victory, Castle, Watchtower | Unisex | Old English |
| Torin | Victory, Castle, Watchtower | Boy | Irish |
| Torion | Victory, Castle, Watchtower | Boy | Irish |
| Torran | Victory, Castle, Watchtower | Boy | Irish |
| Torrance | Victory, Castle, Watchtower | Boy | Irish |
| Torrence | Victory, Castle, Watchtower | Boy | Irish |
| Torrey | Victory, Castle, Watchtower | Boy | Old English |
| Torrian | Victory, Castle, Watchtower | Boy | Old English |
| Torrie | Victory, Castle, Watchtower | Boy | Old English |
| Torry | Victory, Castle, Watchtower | Boy | Old English |
| Tory | Victory, Castle, Watchtower | Boy | Old English |
| Trahern | Strong as Iron | Boy | Welsh |
| Tramaine | House of stone | Boy | |
| Tristan | Bold | Boy | Welsh |
| Tyree | Island Dweller | Boy | |
| Uailean | Healthy, Strong | Boy | English |
| Ualan | Healthy, Strong | Boy | |
| Uilleag | Will Helmet | Boy | |
| Uilleam | Will Helmet | Boy | English |
| Uisdean | Island Stone | Boy | Norse |
| Ulick | Will Helmet | Boy | |
| Weston | Western Settlement | Boy | English |
| Wiley | Will Helmet | Boy | English |
| Wilkie | Will Helmet | Boy | English |
| Willie | Will Helmet | Boy | English |
| Willy | Will Helmet | Boy | English |