Listing of Surnames (there are 30 unique surnames):
| Tadsen | Tanier | Tanner | Taylor | Teeple | Thayer | Thieroff |
| Thome | Thompson | Thornton | Thrapp | Thurston | Tietje | Tilton |
| Titus | Todd | Tolles | Tonjes | Torres | Townsend | Travis |
| Tremain | Trietch | Troup | Tubbs | Tucker | Turner | Tussing |
| Tussinger | Tuttle |