| Name | Anzahl Personen |
| Ta | 1 |
| Tacchi | 1 |
| Taglöhner | 1 |
| Taillon | 1 |
| Tain | 1 |
| Tandser | 1 |
| Tanner | 13 |
| Tatehl | 1 |
| Taubenberger | 1 |
| Taufer | 6 |
| Tedeschi | 1 |
| Teitelbaum | 2 |
| Temperli | 1 |
| Terhorst | 1 |
| Teske | 2 |
| Tesso | 1 |
| Thalmann | 10 |
| Theiler | 10 |
| Thieken | 2 |
| Thierstein | 2 |
| Thiémard | 50 |
| Thoma | 2 |
| Thomann | 2 |
| Thomet | 1 |
| Thomi | 1 |
| Thommen | 3 |
| Thonhauser | 1 |
| Thonney | 1 |
| Thovenin | 1 |
| Thurnherr | 1 |
| Thüler | 3 |
| Tiefenbach | 1 |
| Timme | 1 |
| Tinguely | 4 |
| Tissot | 1 |
| Tobler | 2 |
| Tognini | 1 |
| Toigo | 1 |
| Tolardo | 1 |
| Toman | 1 |
| Tomaschett | 1 |
| Tomaschitz | 1 |
| Tomasini | 1 |
| Tosato | 1 |
| Tosello | 1 |
| Tosin | 2 |
| Traber | 1 |
| Trachsel | 9 |
| Trafelet | 1 |
| Traum | 1 |
| Traxler | 1 |
| Tremp | 1 |
| Tresch | 6 |
| Trettenbrein | 1 |
| Triebold | 3 |
| Trillenberg | 1 |
| Trinkler | 1 |
| Trippolt | 3 |
| Trittibach | 2 |
| Troller | 4 |
| Trolliet | 2 |
| Trösch | 28 |
| Truniger | 2 |
| Truninger | 1 |
| Truttmann | 1 |
| Trüb | 1 |
| Trümpi | 1 |
| Trüssel | 1 |
| Trégret | 1 |
| Tschabold | 1 |
| Tschampion | 1 |
| Tschan | 58 |
| Tschannen | 3 |
| Tschanz | 4 |
| Tscharandi | 2 |
| Tscharandy | 2 |
| Tschäppeler | 1 |
| Tscheppi | 2 |
| Tschirren | 5 |
| Tschopp | 2 |
| Tschudin | 3 |
| Tschui | 4 |
| Tschumi | 12 |
| Tschupp | 2 |
| Tschuppert | 1 |
| Tschümperlin | 3 |
| Tu | 1 |
| Tugginer | 1 |
| Turnell | 2 |
| Tüscher | 1 |
| Alle Namen | A Ä B C D E F G H I J K L M N O P Q R S SCH T U Ü V W Z |
| Alle Orte | A B C D E F G H I J K L M N O P R S T U V W Z |
| Alle | Ehefrauen, deren Eltern nicht angegeben sind |