| Navn | Total | Navn | Total | Navn | Total | Navn | Total | Navn | Total |
|---|
| Thatcher | 3 | Thomesen | 1 | Thott | 11 | Thweng, De | 2 | Tipton | 2 |
| Thayer | 1 | Thomkins | 1 | Thott Svane | 1 | Thwenge, De | 1 | Tirrel (Fitz Hugh) | 1 |
| Thebodeau | 1 | Thommassen | 1 | Thouars | 1 | Thy | 1 | Tiscornia- Biaus y Aberg-Cobo | 2 |
| Theiste | 2 | Thommasson | 1 | Thouars, de | 8 | Thye | 2 | Tiscornia- Biaus y Berdier | 1 |
| Thelin | 4 | Thommesen | 1 | Thouars * | 1 | Thynne | 3 | Titcomb | 1 |
| Theobald | 1 | Thompson | 26 | Thrand Earl of Sula | 1 | Thyra | 1 | Titus | 46 |
| Theobald IV | 1 | Thompson Cotapos | 2 | Thrandsdotter | 1 | Thyrum | 1 | Titus III | 1 |
| Theodebald | 1 | Thompson Jr. | 1 | Thrandsdottir | 1 | Tibetot | 1 | Tjälvesson | 1 |
| Theodesinde | 1 | Thompson López Escribano | 1 | Thrane | 3 | TIBETOT, DE | 1 | Tjarks | 2 |
| Theodorade | 1 | Thompson Sánchez | 5 | Thraning | 3 | TIBETOT TIPTOFT | 2 | Tjelta | 3 |
| Theodoric | 1 | Thomsen | 9 | Throckmorton | 3 | Tidemann | 1 | Tjemsland | 2 |
| Theodoric II | 1 | Thomsen til Vinstrup | 1 | Thrond | 1 | Tiedemann | 1 | Tjensvold | 1 |
| Theodose II | 1 | Thomssen | 1 | Throndsson | 1 | Tierstein, von | 3 | Tjerne | 2 |
| Theodosius | 2 | Thora | 1 | Throop | 1 | Tiffany | 2 | Tjessem | 2 |
| Theophanu | 1 | Thorarensen | 1 | Throope | 2 | til Althoff | 1 | Tjodolvdtr | 1 |
| Theray, de | 2 | Thorbergsen | 2 | Thrugilsøn | 1 | til Holbækgaard og Boller | 1 | Tjoflot | 2 |
| THERMANTIA | 2 | Thoresen | 8 | Thrugotsen | 1 | til Sandholt, Frille | 1 | Tjomsaas | 2 |
| Therouanne | 2 | Thorfinnsson | 2 | Thucydidesdtr | 1 | til Sudrheim | 1 | Tjomsås | 2 |
| Therouanne King of Franks, de | 1 | Thorgatsdatter | 1 | Thue | 6 | til Vedby Rud | 1 | Tjuguskjæg | 2 |
| Therres | 1 | Thorgautsdatter | 1 | Thuesen | 1 | Tilbury | 2 | Tjul | 1 |
| Thesen | 3 | Thorgilsson | 1 | Thulesius | 3 | Tilghman | 2 | Tjul (Talge) | 1 |
| Thessalonique | 1 | Thorkelsdóttir | 1 | Thumm | 2 | Tillemann | 1 | Tjøstolsdatter | 1 |
| Thestrup | 4 | Thorkildsdatter | 1 | Thurgau, von | 1 | Tillery | 1 | Tjøstolson | 1 |
| Theuderic | 2 | Thorkildsen | 6 | Thurgau III, of | 1 | Tillet Warren | 1 | Tjøtta | 1 |
| Thibaud | 1 | Thorkildsson | 1 | Thurgau Scherragau | 1 | Tillett | 1 | Tmraire, le | 1 |
| Thiécourt, de | 1 | Thorkilsson | 1 | Thurgovie, de | 4 | Tillieres | 1 | Tobey | 7 |
| Thiern, De | 1 | Thorley | 1 | Thuringe | 1 | Tillotson | 18 | Tobiasdatter | 6 |
| Thiers, de | 8 | Thornberg | 2 | Thuringe, de | 1 | Tilney | 4 | Tobiasdatter Hickman | 1 |
| Thietburga | 1 | Thornes | 4 | Thüringen, von | 29 | Tilney Knight | 1 | Tobiassen | 18 |
| Thigpen | 1 | Thornton | 7 | Thuringia | 3 | Tilseth | 7 | Tobiassen Hickman | 1 |
| Thilinger Hjelmervik | 1 | Thoron, de | 4 | Thuringia, de | 1 | Tilson | 2 | Tobiasson | 1 |
| Thingvold | 1 | Thorsdatter | 1 | Thuringia, of | 3 | Tilston | 5 | Tocornal Fernández | 4 |
| Thode | 1 | Thorsen | 3 | Thuringia, von | 3 | Tilston, de | 2 | Tocornal Grez | 1 |
| Thoire et Villars III, de | 1 | Thorsen Kolstad | 1 | Thuringia Princess of, von | 1 | TIMBRELL Stevens | 1 | Tocornal Izquierdo | 1 |
| Thomas | 5 | Thorsteinsen | 1 | Thuringians, the | 1 | Timmesdatter Hvitkop | 1 | Todal | 1 |
| Thomas Sr. | 1 | Thorstensdatter | 1 | Thuriniga, von | 1 | Tinghatt | 1 | Todal Gjerde | 1 |
| Thomasdatter | 4 | Thorstensen | 2 | Thurinigan | 1 | Tinhuus | 1 | Tode | 1 |
| Thomasen | 1 | Thorstensen Torstensen til Pedersborg | 1 | Thurn, Von | 1 | Tiptoft | 8 | - | - |
| Thomason | 1 | Thorstensson | 1 | Thurn und Taxis, von | 2 | Tiptoft (Tibetot) | 1 | - | - |
| Thomassen | 32 | Thorud | 1 | Thurn und Valsassina-Como-Vercelli, von | 1 | Tiptoft Baron Tiptoft & Powis | 1 | - | - |
| Thomasson Rognli | 1 | Thorud Olsen | 1 | Thurstan | 1 | Tiptoft Earl Of Worcester | 1 | - | - |
