| Name | Meaning | Gender | Origin |
|---|
| Templeton | temple settlement | Male | English |
| Teri | Summer, Harvester | Unisex | English |
| Terra | earth | Female | Latin |
| Terrance | Roman Clan Name. | Unisex | English |
| Terry | Latin clan name of uncertain meaning | Male | English |
| Tessa | Abbreviation of Teresa which is a popular saint's name of uncertain meaning.
| Female | English |
| Thalia | blooming, plentiful | Female | Greek |
| Thatcher | roof fixer | Male | English |
| Thelma | nursing | Female | Literary |
| Theo | divine gift | Male | English |
| Thomas | Twin
| Male | Aramaic |
| Thomas | Twin
| Male | Aramaic |
| Thompson | son of Tom | Male | English |
| Thunder | Sound produced from lightning | Unisex | |
| Thunder | Sound produced from lightning | Unisex | |
| Thunder | Sound produced from lightning | Unisex | |
| Tia | Aunt
| Female | Spanish |
| Tiger | A large, striped, carnivorous mammal from Asia. | Male | Animal |
| Tiger | A large, striped, carnivorous mammal from Asia. | Male | Animal |
| Timmy | From Timothy - Honoring God | Unisex | |
| Timothy | honoring God | Male | Greek |
| Tina | River
| Female | English |
| Tobey | God Is Good | Unisex | Hebrew |
| Toby | God is Good | Male | English |
| Tom Jones | | Unisex | Hebrew |