WISCONSIN SURNAMES: T-U-V
| SURNAME | COUNTY | RESEARCHER | WEBSITE |
| Tack | Milwaukee | Packrena@aol.com | |
| Taddey | Milwaukee | Sally | WEBSITE |
| Taff | Florence | Beth Sternhagen | |
| Tarr | Waupaca, Price | Sue Swanson | |
| Taves | Dodge, Jefferson, Dane | Sherri Golightly | |
| Taylor | Forest, Marinette, Oneida, Oconto | Anne Taylor-Czaplewski | |
| Taylor | Milwaukee, Portage, Douglas, Barron | Marlene Molisee | |
| Taylor | Pepin | Gordon Madison | |
| Taylor | Sheboygan | Darci | |
| Taylor | Dunn | Gene Johnston | |
| Telford | Oconto | SWestrgard@aol.com | |
| Telin | Marinette | Lynn | |
| Temple | Rock | Dulcie Anna Phillips | |
| Tennessen/Tuennessen | Sheboygan, Calumet, Brown, Outagamie, Price | Mary Silvernail | |
| Ternes | Milwaukee | Cheryl Baker | |
| Terry | Kewaunee | Kerry Hunsinger | |
| Tesch | Dodge | Beverly J Oakley | |
| Tesch | All | Jean | WEBSITE |
| Teusaw | Pierce | Margaret Jordan | |
| Thacher/Thatcher | Fond du Lac | Dulcie Anna Phillips | |
| Thalheim | Fond du Lac, Calumet, Mannitowoc, Sheboygan | NYpediRN@aol.com | |
| Theimer/Thiemer | Shawano, Waupaca | tlumacov@hotmail.com | |
| Thermour | Marinette, Milwaukee | Lois Martin | |
| Theys | Brown, Door, Kewaunee | Paul Theys | |
| Thiessen | Calumet, Manitowoc, Sheboygan, Fond du Lac | Carol Awe Mayfield | |
| Thoma | Ozaukee, Milwaukee | Dave Williams | |
| Thomas | Clark | M. Luning | |
| Thomas | Rock | Dulcie Anna Phillips | |
| Thomas | Wood | Pat Fisher | |
| Thomley | Trempealeau | Paul Lyne | |
| Thompson | Grant | Jeri Thorpe | |
| Thompson | Richland | Karla Staudt | |
| Thompson | Richland | Sue Ott | |
| Thornton | Fond du Lac | Tracy Reinhardt | WEBSITE |
| Thorson | Clark | M. Luning | |
| Thurber | Outagamie, Shawano, Onieda, Langlade | Dale Miller Payne | |
| Tiedemann | All | Shirley Milligan | |
| Tiffany | Jefferson, Rock | Shirley Morales | |
| Tiffany | Juneau, Sauk | Marilyn Jones | |
| Tilley | Green | E. Toombs | |
| Timm | Waupaca, Waushara | Sandy Caldwell | |
| Timmons | Green | JCo8939721@aol.com | |
| Tischer | Washington | Rodger Damerow | |
| Tobin | Columbia, Dodge, Eau Claire | Vnvet95b@aol.com | |
| Tobin | Jefferson | Pat Kasten | |
| Tobin | Milwaukee, Racine | Folkmom@aol.com | |
| Tobolski | All | Laurel Stine | |
| Tock | Outagamie | Cindy (Howe) Yungwirth | |
| Tokarski | Winnebago | Judy Wollangk | |
| Tollefson/Tollifson | La Crosse | Amy Vogel | |
| Tomany | All | Pam Tomany | |
| Tomashek | Shawano | Victoria L. German | |
| Tomlinson | Columbia | Jeanne | |
| Tonn | Milwaukee | Sally | WEBSITE |
| Tooley | Fond du Lac | Shirley VerBruggen | |
| Tooman | Racine, Milwaukee | Margaret Jordan | |
| Torgerson | Polk | Joy Roos | |
| Torrey | Jefferson | Lynne Bliss | |
| Torstenson | Green | Mark S. Bergo | |
| Totto | Dane | Joe Chase | |
| Touchette | Fond du Lac, Brown, Oconto, Marinette | Marsha Wilcox | WEBSITE |
| Tourtilotte | Menominee, Oconto | Sandi Newton Wanek | |
| Tourville | Douglas | Susan Spies | |
| Tourville | Polk, St. Croix, Rusk, Barron | Christ Martens | |
| Townsend | LaFayette | Callen Harty | |
| Tracy | Marinette, Manitowoc | Shirley VerBruggen | |
| Trainer | Dodge, Waukesha | Enid Gillihan | |
| Travenick | Juneau | Peg Christman | |
| Treder/Trader | Milwaukee, Portage, Douglas, Barron | Marlene Molisee | |
| Trefes | Dane | Donna Devoe | |
| Trentlage | Outagamie | Ron Richter | |
| Trickle | Green | Ray Rupnow | |
| Trinko | Dunn | Gene Johnston | |
| Troke | Kenosha | Peggy Larson | |
| Trueb | Sauk | Sue Clover | |
| Trunk | Milwaukee | gtrunk@aol.com | |
| Tryba | Portage | Betty Martz | |
| Tryggestad | Vernon | Patricia Bonacci | WEBSITE |
| Trzebiatowski | Portage, Milwaukee | Shirley Patoka Allen | |
| Turcott | Sauk | Lindy Allen | |
| Turk | Dane | Barbara McDonald | |
| Turla | Kewaunee | tlumacov@hotmail.com | |
| Turlova | Kewaunee | tlumacov@hotmail.com | |
| Turner | Barron | Gene Johnston | |
| Turner | Dodge, Fond du Lac, Oneida, St. Croix, Waukesha | Philip R. Freimann | WEBSITE |
| Turner | Pepin | Joanne | |
| Turzinski | Portage | Betty Martz | |
| Tuttle | Fond du Lac, Brown, Clark | Bonnie Sears | |
| Tuttle | Fond du Lac | Nancy Westenfield | |
| Tuttle | Winnebago | Ketuttle@hotmail.com | |
| Twist | Adams | Gerald A. Twist | |
| Tyler | Kenosha | Jan Rhodes | |
| Tyner | Dane | Anita Jean Fish Gohl | |
| Tyrell | St. Croix | Kathy | |
| Ulberg | Trempealeau | Dan Ulberg | WEBSITE |
| Ullmann | Chippewa, Dunn, Rusk, Taylor, Eau Claire | Dori Ullman | |
| Unertl | Milwaukee, Columbia | Dorothy | |
| Unglaub | Ozaukee | LaVerne | |
| Upham | Monroe, Colombia | norgni@gte.net | |
| Urban | LaCrosse, Milwaukee | Joyce Urban | |
| Utphall | Dunn | Jayme Beyrer | |
| Uttendorfer | Dodge | Joanne Parmley | |
| Van | Outagamie | Ron Richter | |
| Vance | Green and other | Sheila Zink | |
| Vandenberg | St. Croix, Sawyer | Bonnie Sears | |
| VanDenHeuvel | Outagamie | MIKE3282@aol.com | |
| Vander Grinten | Fond du Lac | David Majerus | |
| Vanderheiden | Forest | Luvcaro@aol.com | |
| Vanderhoff | All | Sharon PEETERS-KAROW | |
| Vander Hoogen | Outagamie | Virginia McKenzie | |
| Vandertie | Door | Jeanne Reince Koller | |
| Vandervest | Brown, Door, Kewaunee | Jim Geniesse | |
| VanderVoort | Monroe | Karla Staudt | |
| VanderZanden | Outagamie | Darlene Wolff Harbick | |
| Van Dinter | Outagamie | Ann Burmeister | |
| Vanert | Clark | Packrena@aol.com | |
| Van Hoven | Outagamie | Virginia McKenzie | |
| Van Ingen | Sauk | Sue | WEBSITE |
| VanNatta/Van Etten | Grant, Lafayette | Sue Devine | |
| VanNostrand | All | Tom Easterday | |
| Van Riper | All | Sharon PEETERS-KAROW | |
| Van Rossum | Oconto | Ron Richter | |
| Van Schaick | Monroe, Colombia | norgni@gte.net | |
| Van Straten | Outagamie | Sandra Lucht | |
| Van Vickle | Grant | Brian Christensen | |
| Van Vonderon | Brown | Joan Borman | |
| Van Wagnen | Vernon | Joni | |
| Vasey | Dunn | Melissa Larrabee Titel | |
| Vaughn | LaCrosse | Etta Larson | |
| Vaughn | Lafayette | Peggy Petersen | |
| Vaughn | Marquette, Winnebago | Colleen Cain | |
| Vedder | Waushara | gdf@win.bright.net | |
| Vehrs | Dunn, Eau Claire | Ronald Vehrs | |
| Victora | LaFayette, Grant, Iowa | Sandra L. Everson | |
| Vierkandt | Milwaukee | Iris Lillie | |
| Viles | Walworth, Chippewa | Pam | |
| Villett | St. Croix | Kathy | |
| Villiesse | Brown | Brian Gaber | |
| Virlee | Door | Janice M. Virlee | |
| Voelker | Milwaukee | Virginia McKenzie | |
| Voeltzke | Marathon | Richard Voeltzke | |
| Voelz | All | Thelma Heinrich | |
| Vogel | All | Donna Hance | |
| Voight | Dunn | Gene Johnston | |
| Voigt | All | Sharon PEETERS-KAROW | |
| Voigt/Voight | Ozaukee | Mary Barthel | |
| Volenec | Iowa | gwolenec@ro.com | |
| Von Gnechten | All | Irvin H. Von Gnechten | |
| Vosberg | St. Croix | Kathy | |
| Voss | All | Debi | |
| Vosseller/Vosler | Buffalo | Rose Vosler |