| Name | Meaning | Gender |
|---|
| Sydney | St Denis, Bright fame | Unisex |
| Sydnie | St Denis, Bright fame | Unisex |
| Sylvester | From the forest | Boy |
| Sylvestre | From the forest | Boy |
| Tad | Poet, Courageous, Large Hearted | Boy |
| Taegan | Little Poet | Boy |
| Taffy | Beloved | Boy |
| Tahath | Delay and Station | Boy |
| Tal | Dew | Unisex |
| Talbot | Messenger of destruction | Boy |
| Talmai | Abounding in furrows | Boy |
| Tanner | Tanner of skins | Unisex |
| Tarek | He who pounds at the door, Morning star, Warrior | Boy |
| Tarik | He who pounds at the door, Morning star, Warrior | Boy |
| Tariq | He who pounds at the door, Morning star, Warrior | Boy |
| Tarique | He who pounds at the door, Morning star, Warrior | Boy |
| Taskill | Divine Kettle | Boy |
| Tate | Cheerful | Unisex |
| Tayler | Cutter of cloth, Tailor | Unisex |
| Taylor | Cutter of cloth, Tailor | Unisex |
| Teagan | Little Poet | Boy |
| Teague | Poet | Boy |
| Ted | Guardian of prosperity, Gift of God | Boy |
| Teddy | Guardian of prosperity, Gift of God | Boy |
| Teige | Poet | Boy |
| Teigue | Poet | Boy |
| Tel | Rub, Turn, Twist | Boy |
| Teman | On the Right, South | Boy |
| Temani | From Teman | Boy |
| Temeni | From Teman, Southerner | Boy |
| Temple | | Unisex |
| Tenney | Little follower of Dionysus | Boy |
| Tennyson | Son of Tenney | Boy |
| Terah | Delay and Station | Unisex |
| Terance | Rub, Turn, Twist | Boy |
| Terence | Instigator, Rub, Turn, Twist | Boy |
| Terrance | Instigator, Rub, Turn, Twist | Boy |
| Terrell | Stubborn | Boy |
| Terrence | Instigator, Rub, Turn, Twist | Boy |
| Terry | First of the people, King of nations | Boy |
| 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 |
| Theo | Gift of God | Boy |
| Theobald | People bold | Boy |
| Theodore | Gift of God | Boy |
| Thom | Twin | Boy |
| Thomas | Twin | Boy |
| Thorley | Thorn bush settlement | Boy |
| Thornton | Thorn bush settlement | Boy |
| 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 |
| Tiarnach | Lord | Boy |
| Tiarnan | Little Lord | Boy |
| Tibby | People bold | Unisex |
| Tiberius | Of the Tiber (river) | Boy |
| Tiernan | Little Lord | Boy |
| Tierney | Lord | Boy |