| Name | Group | Language of Origin | Languages of Use | Meaning/Translation or Related Words | US 2021 |
|---|
| Tessie | Teresio/Theresa | Old Greek | English | maybe the hunteress | |
| Tessy | Teresio/Theresa | Old Greek | English | maybe the hunteress | |
| Thaddeus | Thaddeus | Aramaic | English | | #818 |
| Thalea | Thales/Thalia | Old Greek | German, English | Words: blossom | |
| Thalia | Thales/Thalia | Old Greek | English | Words: blossom | #723 |
| Thatcher | Thatcher | Old English | English | roof maker | #812 |
| Thelma | Telmo/Thelma | English | German, English | | |
| Theodora | Theodore/Theodora | Old Greek | German, English | gift of god | #733 |
| Theodore | Theodore/Theodora | Old Greek | English | gift of god | #10 |
| Theodoric | Theoderich | Gothic | English | Words: ruler | |
| Theresa | Teresio/Theresa | Old Greek | German, English | maybe the hunteress | |
| Thirza | Tirzah | Hebrew | German, English | delight, pleasantness | |
| Thom | Thomas/Thomasina | Aramaic | Dutch, English | twin | |
| Thomas | Thomas/Thomasina | Aramaic | German, Scandinavian, French, English | twin | #46 |
| Thomasina | Thomas/Thomasina | Aramaic | English | twin | |
| Thommy | Thomas/Thomasina | Aramaic | German, French, English | twin | |
| Thyrza | Tirzah | Hebrew | English | delight, pleasantness | |
| Tia | Tia | English | English | | |
| Tiana | Christian/Christine | Latin | German, English | Christian, disciple of Christ | #651 |
| Tianna | Christian/Christine | Latin | English | Christian, disciple of Christ | |
| Tiara | Tiara | English | English | Words: tiara / tiara | |
| Tiarra | Tiara | English | English | Words: tiara / tiara | |
| Tiera | Terra | Latin | English | earth, land | |
| Tiffani | Tiffany | Old Greek | English | manifestation of God | |
| Tiffanie | Tiffany | Old Greek | English | manifestation of God | |
| Tiffany | Tiffany | Old Greek | German, English | manifestation of God | #864 |
| Tilda | Mathilde | Old High German | Scandinavian, English | Words: might, strength / fight | |
| Tilly | Mathilde | Old High German | English | Words: might, strength / fight | |
| Tim | Timotheus/Timotea | Old Greek | German, English | honoring God | |
| Timaeus | Timaeus | Old Greek | German, English | maybe honor | |
| Timeon | Timon | Old Greek | German, English | Words: honored, esteemed | |
| Timmy | Timotheus/Timotea | Old Greek | English | honoring God | |
| Timna | Timna | Hebrew | English, Hebrew | restrained | |
| Timnah | Timna | Hebrew | English, Hebrew | restrained | |
| Timothy | Timotheus/Timotea | Old Greek | English | honoring God | #200 |
| Tina | Tina | German | German, Scandinavian, English, Italian | | |
| Tinley | Tenley | Unknown | English | | |
| Tinsley | Tinsley | Unknown | English | | #891 |
| Tippi | Tippi | Unknown | German, English | | |
| Tirzah | Tirzah | Hebrew | English | delight, pleasantness | |
| Titan | Titan | Unknown | English | | #740 |
| Tobiah | Tobias | Hebrew | English | Yahweh is good | |
| Tobias | Tobias | Hebrew | German, English | Yahweh is good | #277 |
| Tobin | Tobin | English | English | | |
| Toby | Tobias | Hebrew | English | Yahweh is good | |
| Todd | Todd | Old English | English | fox | |
| Tom | Thomas/Thomasina | Aramaic | German, French, English | twin | |
| Tomasin | Thomas/Thomasina | Aramaic | English | twin | |
| Tommy | Thomas/Thomasina | Aramaic | English | twin | #728 |
| Toni | Anthony/Antonia | Latin | English | | |
| Tonia | Anthony/Antonia | Latin | Italian, English | | |
| Tony | Anthony/Antonia | Latin | English | | #678 |
| Tonya | Anthony/Antonia | Latin | English | | |
| Tori | Victor/Victoria | Latin | English | the victor | #993 |
| Torin | Torin | Irish | English | chief | |
| Torrance | Torrance | Old Irish | English | maybe from the low hills | |
| Torrence | Torrance | Old Irish | English | maybe from the low hills | |
| Torrey | Torrey | Unknown | English | | |
| Tory | Torrance | Old Irish | English | maybe from the low hills | |
| Tosia | Tosia | Unknown | English | | |
| Trace | Tracy/Tracy | Old French | English | | #736 |
| Tracee | Tracy/Tracy | Old French | English | | |
| Tracey | Tracy/Tracy | Old French | English | | |
| Tracey | Tracy/Tracy | Old French | English | | |
| Traci | Tracy/Tracy | Old French | English | | |
| Tracie | Tracy/Tracy | Old French | English | | |
| Tracy | Tracy/Tracy | Old French | English | | |
| Tracy | Teresio/Theresa | Old Greek | English | maybe the hunteress | |
| Tracy | Tracy/Tracy | Old French | English | | |
| Trae | Trae | Unknown | English | | |
| Trajan | Trajan | Latin | German, English | | |
| Travis | Travis | Old French | English | Words: cross | #381 |
| Travon | Trevon | Unknown | English | | |
| Trayvon | Trevon | Unknown | English | | |
| Tre | Tre | Unknown | English | | |
| Treasure | Treasure | English | English | treasure | #687 |
| Trent | Trent | Old English | English | | |
| Trenten | Trenton | English | English | Trent's town | |
| Trenton | Trenton | English | English | Trent's town | #656 |
| Trever | Trevor | Welsh | English | big village | |
| Trevin | Trevin | English | English | | |
| Trevion | Trevon | Unknown | English | | |
| Trevon | Trevon | Unknown | English | | |
| Trevor | Trevor | Welsh | English, Welsh | big village | #459 |
| Trey | Trey | English | English | three | #650 |
| Treyton | Treyton | Unknown | English | | |
| Treyvon | Trevon | Unknown | English | | |
| Tricia | Patrick/Patrizia | Latin | English | nobleman | |
| Trinity | Trinity | English | English | trinity | #275 |
| Tripp | Tripp | English | English | the Third | #444 |
| Trisha | Patrick/Patrizia | Latin | English | nobleman | |
| Trista | Tristan/Trista | Celtic | English | Words: riot, tumult | |
| Tristan | Tristan/Trista | Celtic | German, French, English | Words: riot, tumult | #208 |
| Tristan | Tristan/Trista | Celtic | English | Words: riot, tumult | |
| Tristen | Tristan/Trista | Celtic | English | Words: riot, tumult | |
| Tristen | Tristan/Trista | Celtic | English | Words: riot, tumult | |
| Tristian | Tristan/Trista | Celtic | English | Words: riot, tumult | |
| Tristin | Tristan/Trista | Celtic | English | Words: riot, tumult | |
| Triston | Tristan/Trista | Celtic | English | Words: riot, tumult | |
| Troy | Troy | French | English | man from Troyes | #418 |
