| Name | Meaning | Gender |
|---|
| Tessie | Harvester | Girl |
| Tetty | God is my oath | Girl |
| Tex | Person from Texas | Boy |
| Thad | Courageous, Large hearted, Given of God | Boy |
| Thaddeus | Courageous, Large hearted, Given of God | Boy |
| Thadeus | Courageous, Large hearted, Given of God | Boy |
| Thady | Given of God | Boy |
| Thane | Boy, Follower, Warrior, Noble Title | Boy |
| Thea | Gift of God | Girl |
| Theda | Gift of God | Girl |
| Thelma | Will | Girl |
| Theo | Gift of God | Boy |
| Theobald | People bold | Boy |
| Theodora | Gift of God | Girl |
| Theodore | Gift of God | Boy |
| Theodosia | God Giving | Girl |
| Thera | Harvester | Girl |
| Theresa | Harvester | Girl |
| Thom | Twin | Boy |
| Thomas | Twin | Boy |
| Thomasin | Twin | Girl |
| Thomasina | Twin | Girl |
| Thomasine | Twin | Girl |
| Thorley | Thorn bush settlement | Boy |
| Thornton | Thorn bush settlement | Boy |
| Thrud | Strength | Girl |
| Thurston | Thor's stone | Boy |
| Thutmose | Born of Djehuty (Thoth), Born of the Ibis | Boy |
| Thutmosis | Born of Djehuty (Thoth), Born of the Ibis | Boy |
| Thyrza | Pleasantness | Girl |
| Tia | Nickname for names ending with - Tia | Girl |
| Tiana | Princess, Follower of Christ | Girl |
| Tianna | Princess, Follower of Christ | Girl |
| Tiara | Life | Girl |
| Tiarnach | Lord | Boy |
| Tiarnan | Little Lord | Boy |
| Tibby | People bold | Unisex |
| Tiberius | Of the Tiber (river) | Boy |
| Tiernan | Little Lord | Boy |
| Tierney | Lord | Boy |
| Tierra | Earth | Girl |
| Tiffani | Manifestation of God | Girl |
| Tiffany | Manifestation of God | Girl |
| Tiffiny | Manifestation of God | Girl |
| Tikva | Hope | Unisex |
| Tikvah | Hope | Unisex |
| Tilda | Mighty in battle | Girl |
| Till | Mighty in battle | Girl |
| Tillie | Mighty in battle | Girl |
| Tilly | Mighty in battle | Girl |
| Tim | To Honor God | Boy |
| Timmy | To Honor God | Boy |
| Timo | To Honor God | Boy |
| Timotha | To Honor God | Girl |
| Timothea | To Honor God | Girl |
| Timothy | To Honor God | Boy |
| Tina | | Girl |
| Tiphanie | Manifestation of God | Girl |
| Tiras | Desire | Boy |
| Tirzah | Pleasantness | Girl |
| Tisha | Happiness | Girl |
| Titty | Happiness | Girl |