WISCONSIN SURNAMES: S
| SURNAME | COUNTY | RESEARCHER | WEBSITE |
| Sabatke | Dodge | Nancy Sabatke | |
| Sack | Milwaukee, Racine | Jacqueline Thompson | |
| Sackett | All | Bob Schuster | |
| Sagle | Sheboygan | Ron Richter | |
| Sahlie | Dunn | Dorothy | |
| Saiberlich | Outagamie | Margaret Robe Summitt | |
| Sake | Waukesha | Kathy Weller Medick | |
| Salmon | Brown | Victoria L. German | |
| Salter | Waushara | Genalot@aol.com | |
| Salter | Waushara | Jo | |
| Salzieder | Dodge | Nancy Sabatke | |
| Samonig | Milwaukee | Jean | WEBSITE |
| Sampson | All | Betty Martin | |
| Sand | Ozaukee, Dunn | jwing654@frontiernet.net | |
| Sanderson | All | Janet Turner | |
| Sargent | Fond du Lac, Price, Polk, Washburn | Carole Holcomb | |
| Sargent | Lafayette | Nancy Wood | |
| Sauer | Milwaukee | Virginia McKenzie | |
| Saul | All | Mary Fell | |
| Saunder | Rock | Darci | |
| Saunders | Brown | SaunderaL@aol.com | |
| Sawnson | Dunn, St. Croix | Dorothy | |
| Sawyer | Brown, Manitowoc, Marinette | Anne Taylor-Czaplewski | |
| Sax | Outagamie | Nancy Westenfield | WEBSITE |
| Scarlato | Kenosha | Cathy Kubly | |
| Schafer | St. Croix | Kathy | |
| Scharfenberg | Pierce | Lorilee Scharfenberg | |
| Schauer | Dodge | Jean | WEBSITE |
| Schauer | Waukesha | Vinita Shaw | |
| Schaufel | Kenosha, Rock | Stephen Peck | |
| Schauss | Jefferson | Dana Kellerman | |
| Scheel/Sheel | Clark | M. Luning | |
| Scheibe | Sheboygan | Jeri Overman | |
| Schelk | Sheboygan, Marinette | Amy Kistner | |
| Scheller | Sheboygan, Wood ,Outagamie, Price, Marinette | Lori Scheller | |
| Schemer | Door | Linda C Stephens Grass | |
| Scherer | Jefferson, Walworth | Shelly Picknell | |
| Scherer | Shawano | Debi | |
| Scherff | Wood, Winnebago | Laurie Sheriff | WEBSITE |
| Scherwinski | Ashland, Price | Cindy Bergeron Scherwinski | |
| Scheuermann | Winnebago | Kathleen MacKay | |
| Schickert | Washington | afrey@plateautel.net | |
| Schiller | Wood | Jean | WEBSITE |
| Schiller | Wood | JRAM12@aol.com | |
| Schilling | Manitowoc, Outagamie | Margaret Robe Summitt | |
| Schillinger | Green | Kelly Butler | |
| Schlender | Fond du Lac | Cathy Tonkin | WEBSITE |
| Schlicher | Dodge, Fond du Lac | Jean Martin | WEBSITE |
| Schlorf | Oconto | rmjohns@wt.net | |
| Schmalz | All | Lynn Key | |
| Schmeider | Monroe | Terry Reisinger | |
| Schmeling | Milwaukee, Ozaukee | Cheryl Baker | |
| Schmidt | Monroe | Terry Reisinger | |
| Schmidt | Washington | Gerald Gallitz | |
| Schmidt | Jefferson | Charles Smith | |
| Schmidt | Washington | Marg McEuen | |
| Schmidt | Ozaukee | Dave Williams | |
| Schmidt | Manitowoc | grichmon@localnet.com | |
| Schmidt/Szmyt | Milwaukee | Mary Jo Douglass | |
| Schmit | Iowa, others | Marcia Bastian | |
| Schmitz | All | Tom Easterday | |
| Schmitz | Ozaukee | Dave Williams | |
| Schneider | All | Mary Fell | |
| Schnieder | Milwaukee | Don & Joan Johnson | |
| Schober | Jackson, Monroe | Etta Larson | |
| Schoenberg | Taylor | Gordon Gerhrig | |
| Schoene | Dodge | John Wendorf | |
| Schoenick | Shawano | Corinne Schoenick | |
| Schoenung/Schoening | Sheboygan, Manitowoc, Milwaukee | Orlie Schrimpf | |
| Schoenwetter/Schoenvetter/ Schoenwether | Clark | M. Luning | |
| Scholtz | Oconto | Luvcaro@aol.com | |
| Scholtz | Oconto | Nancy Westenfield | |
| Scholzen | Kenosha, Racine | dghaake@discover-net.net | |
| Schorrak | Milwaukee | Sally | WEBSITE |
| Schreiner | Sheboygan | Libby Saxby | |
| Schrimpf | Sheboygan, Manitowoc | Orlie Schrimpf | |
| Schrock | Green Lake | Keith Miskie | |
| Schroeder | Taylor | Gordon Gehrig | |
| Schroeder | Door | Linda Burke | |
| Schroeder/Schroder | Milwaukee, Ozaukee, Racine | Dave Jarvis-Schroeder | |
| Schroeder | Washburn | Judy Ludden | |
| Schrup | All | Mary Fell | |
| Schuck | All | Mary Fell | |
| Schueler | All | Carla | |
| Schuessler | Outagamie | Betty Martin | |
| Schuette | Polk | Joy Roos | |
| Schuknecht | Manitowoc, Marinette | Alice Scoggan | |
| Schuler | Sheboygan, Calumet, Manitowoc, Wood, Marathon | Lori Scheller | |
| Schulist | All | PpsychoSal@aol.com | |
| Schulist | Portage | Betty Martz | |
| Schultz | Clark | M. Luning | |
| Schultz | Dunn | Clara Royer | |
| Schultz | Eau Claire | Gene Johnston | |
| Schultz | Green | Wayne Kuebler | |
| Schultz | Lafayette | Nancy Wood | |
| Schultz | Milwaukee | Tom Leszczynski | |
| Schultz | Milwaukee | Rick Schultz | |
| Schultz | Monroe, Waupaca, Kenosha | Cheryl & Richard Colletti | |
| Schultz | Sheboygan, Dodge | Debi | |
| Schumann | Sheboygan | Libby Saxby | |
| Schuppert | Milwaukee | Dale Miller Payne | |
| Schurz, Schultz | Taylor | Vikki | |
| Schussler | Fond du Lac | Tracy Reinhardt | WEBSITE |
| Schuster | All | Bob Schuster | WEBSITE |
| Schute | Dodge | Jean | WEBSITE |
| Schwaller | Racine, Calumet | Mary | |
| Schwandt | Clark | M. Luning | |
| Schwantes | Milwaukee | Sally | WEBSITE |
| Schwantz | Columbia | Schwantz | |
| Schwarz | Taylor + | Cindy Johnson | WEBSITE |
| Schwichtenberg | Clark | M. Luning | |
| Score | Dunn, Barron | Linda Schwartz | WEBSITE |
| Scott | Winnebago | Kathy Lund | |
| Scott | Brown, Door | Ken Bhirdo | |
| Scultz | Marathon | Mike Reed | |
| Sebranek | Bad Axe, La Crosse, Richland, Vernon | Elizabeth Sebranek | |
| Sedbrook | Grant, Lafayette | Sue Devine | |
| Sedgwick | Waupaca | Debby | |
| See | Walworth, Marquette, Green Lake, Dunn | Roni Fraysier | |
| Segner | Green, Lafayette | Kelly Butler | |
| Seidl/Seidel | Sheboygan, Manitowoc | Orlie Schrimpf | |
| Seif | Clark | M. Luning | |
| Sels | Outagamie, Winnebago | Lynn Key | |
| Semenske | All | David Semenske | |
| Seng. | Pierce, Pepin, Dunn | Gail Von Bargen | |
| Seres | Washington | LaVerne | |
| Seurer | Fond du Lac | Ron Friedel | WEBSITE |
| Sewer/Seur/Sauer/ Sower/Saur | Grant | Joan Rogers | |
| Shaleski | Portage | Betty Martz | |
| Shankle | Lincoln, Marathon | Cindy Bergeron Scherwinski | |
| Shannon | Chippewa | Kevin O'Brien | |
| Sharp | Waukesha | Kathy Weller Medick | |
| Shay | Richland | Sharon Foree | |
| Shea | Outagamie, Adams, Manitowoc | Sherrett Rae | |
| Shepherd | Grant | Jeri Thorpe | |
| Sheret | Milwaukee, Columbia | Ken Whitcomb | |
| Sherfinski | Portage | Betty Martz | |
| Sheridan | Grant | Nora Doyle Stafford | WEBSITE |
| Sheridan | Rock | Kelly Butler | |
| Sheriff | Wood, Winnebago | Laurie Sheriff | WEBSITE |
| Sherlock | St. Croix | Kathy | |
| Sherman | Waupaca | Pam Stratton | |
| Sherwood | Dunn, Green Lake | Roni Fraysier | |
| Shipley | Waupaca | Bill Cooley | |
| Shipp | Vernon | Joni Macfadden | |
| Shippee | Waushara | Jo | |
| Shisler | Sauk | Pam Bylczynsk | |
| Shoemaker | Richland | N.McCarthy | |
| Shookman/Schuckman | Monroe | Karla Staudt | |
| Shookman/Schuckman | Richland | Karla Staudt | |
| Short | Chippewa | Carole Holcomb | |
| Shortell | Portage | Cindy (Howe) Yungwirth | |
| Shoultz | Racine | Betty Costello/Shoultz | |
| Shur | Marinette | Linda Burke | |
| Shuster | All | Bob Schuster | WEBSITE |
| Siebert | Dodge, Jefferson | Jeri Overman | |
| Siebert | Portage | Vnvet95b@aol.com | |
| Siegerson | Milwaukee, Waukesha | Joan Borman | |
| Siemienski | All | David Semenske | |
| Sikora | Milwaukee | Mary Jo Douglass | |
| Silliman | Jefferson | Wilma Haynes | |
| Silverhorn | Clark | Diana Morse | |
| Silvernail | Fond du Lac, Pepin, Dunn, Eau Claire, Rusk, Chippewa & Baron | Mary Silvernail | |
| Simon | Ozaukee | LaVerne | |
| Simons | Grant | Roxanne Munns | WEBSITE |
| Simpson | Outagamie, Langlade | Colleen Schrimpf | |
| Simpson | Richland | Karla Staudt | |
| Singleton | Fond du Lac | Sandy Poirier | |
| Sinkula/Sinkulova | Kewaunee | tlumacov@hotmail.com | |
| Sipple | All | Maryellen Jacobson | |
| Sippy | Richland | Karla Staudt | |
| Skahen | Calumet | Ron Richter | |
| Skinner | Richland | Sue Ott | |
| Skubal | Manitowoc, Kewaunee, Milwaukee | Pat | |
| Slattery | Marquette, Winnebago | Colleen Cain | |
| Slifer | Eau Claire | MLSLIFER@aol.com | |
| Slyngstad | St. Croix | Kathy | |
| Smedsrud | Taylor | Leroy Smithrud | |
| Smidzinska/Smidzinski | Milwaukee | Stan Nasby | |
| Smith | Brown, Outagamie | Zoe Smith | |
| Smith | Clark, Milwaukee, Washington | Bob Van Hees | WEBSITE |
| Smith | Chippewa | Roxanne Munns | WEBSITE |
| Smith | Iowa, Grant | Michelle McKinnon | |
| Smith | Jackson | Laurie J. Kenville | WEBSITE |
| Smith | Oneida, Marinette, Lincoln | Cheryl Ehlers | |
| Smith | Fond du Lac, Marathon | Beverly Smith | |
| Smith | Dunn | Gene Johnston | |
| Smith | Marathon | Iris Lillie | |
| Smith | Lafayette | Nancy Wood | |
| Smith | Outagamie | Sherrett Rae | |
| Smith | Jefferson, Monroe, Juneau, Jackson | John Buck, Jr. | |
| Smith | Pierce, Waushara,Lincoln, Washburn | gdf@win.bright.net | |
| Smith | Rock | Janis Gibel | WEBSITE |
| Smith | Vernon | Packrlsl@aol.com | |
| Smuhl | All | Maryellen Jacobson | |
| Snowberry | All | Dave | |
| Soeller | Marathon | Noreene Meldrum | |
| Solie | Chippewa, Eau Claire | Maryellen Jacobson | |
| Solum | Jackson | Ruth | |
| Sommer | Washington | Gerald Gallitz | |
| Sontag | All | Tom Easterday | |
| Soper | Marinette, Manitowoc, Brown | Donna Bradley | |
| Sorensen | All | LeslieMak@aol.com | |
| Sorensen | Winnebago | Betty Lou Strand | |
| Sorensen | Rock | Nancy Baldwin | |
| Soule | Dodge | Kathy Blomquist | |
| Space | Langlade, Lincoln, Marathon | Cindy Bergeron Scherwinski | |
| Spafford | Burnett | Scott Spafford | |
| Spang | Walworth, Rock | Bruce Gerber | |
| Sparks | Waushara | Jan Cortez | |
| Spears | Calumet | Ron Richter | |
| Spiering | Brown, Eau Claire | Karen | |
| Spohn | Shawano | Anne Taylor-Czaplewski | |
| Spooner | Monroe, Juneau, Jackson | John Buck, Jr. | |
| Springborn | Shawano | tlumacov@hotmail.com | |
| Squires | All | Dave | |
| Stadler | Ozaukee, Outagamie | Dave Williams | |
| Stadler | All | Donna Hance | |
| Stamm | Milwaukee | Paul Stamm | |
| Staley/Stealy | Green, Lafayette | Nancy Wood | |
| Stanek | Bad Axe, Juneau, Richland, Vernon | Elizabeth Sebranek | |
| Stanislawski | Portage | Betty Martz | |
| Stankowski | Portage | Betty Martz | |
| Staples | Adams | Terry Kniess | |
| Starks | Waupaca, Portage | SGBaldwin@aol.com | |
| Staub | All | Debi | |
| Stauffacher | Green | Wayne Kuebler | |
| Steen | Fond du Lac | Susan Spies | |
| Steffen | Milwaukee, Portage, Douglas, Barron, other | Marlene Molisee | |
| Steffes | Iowa, others | Marcia Bastian | |
| Stehling | Milwaukee | Patti | |
| Steinbach | Waupaca | Debi | |
| Steinberg | Clark | M. Luning | |
| Steinert | Washington, Ozaukee | Lynda Saterfield | |
| Steiter | All | Tom Easterday | |
| Steller | Marathon | Dar Hackle | |
| Stellick | Taylor | Gordon Gehrig | |
| Stelloh | Milwaukee | Tom Leszczynski | |
| Stelpflug | Grant, Lafayette | Sue Devine | |
| Stelter | Marquette, Walworth | Lynne Bliss | |
| Steltzer | Manitowoc, Outagamie, Winnebago | Lynn Key | |
| Stengem | St. Croix | Kathy | |
| Stephan | Walworth | Donna Cook | |
| Stephens | Dunn, Eau Claire | Joanne | |
| Sterling | Eau Claire | Paula | |
| Stern | Manitowoc, Outagamie | Margaret Robe Summitt | |
| Sternhagen | Florence | Beth Sternhagen | |
| Stetzel | Kenosha, Rock | Stephen Peck | |
| Stielke | Kewaunee | Darlene Winter | |
| Stiennon | Kewaunee, Brown | Delores Kruse | |
| Stieve | Barron | Nancy Westenfield | WEBSITE |
| Stiles | Rock | Beth Maize | |
| Stillman | Waupaca, Taylor, Clark | Christ Martens | |
| Stillmunkes | All | Mary Fell | |
| Stingle | Outagamie | Darlene Wolff Harbick | |
| StLouis | Oconto, Outagamie, Winnebago | Lynn Key | |
| Stobbe | Brown | Terry Kniess | |
| Stockman | Rock | Cyril Taylor | |
| Stodola | Kewaunee | tlumacov@hotmail.com | |
| Stoffel | Washington | Gerald Gallitz | |
| Stofflet | Wood, Kenosha | Judy Balen | |
| Stokes | Pepin | Gordon Madison | |
| Stolze | Milwaukee, Washington, Ozaukee | Lynda Saterfield | |
| Stone | Waukesha, Kenosha | Joan Borman | |
| Stone | Forest, Langlade, Lincoln, Marathon, Oneida, Price, Vilas | Cindy Bergeron Scherwinski | |
| Stout | Waupaca | Bill Cooley | |
| Stover | Green | Nancy Wood | |
| Stowe | Adams | Terry Kniess | |
| Straight | Monroe, others | auntie@netins.net | |
| Strasser | Dodge, Marathon | Laurel Stine | |
| Stratman | Racine | Bob Heck | WEBSITE |
| Streich | Milwaukee | Tom Leszczynski | |
| Stroebe | Outagamie, Winnebago | Janice Shaw | |
| Stromberg | Langlade | Jane Stromberg | |
| Stromberg | Polk | Joy Roos | |
| Stromberg | St. Croix | Kathy | |
| Strong | Jefferson | Wilma Haynes | |
| Strong | Winnebago, Outagamie, Milwaukee | Colleen Schrimpf | |
| Strum/Sturm | Douglas | Nancy J. Drown | |
| Struntz | Winnebago, Milwaukee | Kay R | |
| Strutz | Milwaukee | Sally | WEBSITE |
| Stuart | Chippewa, Sauk | Stangern@aol.com | |
| Studinski | Portage | Betty Martz | |
| Stutzke | Vilas, Marathon | Ilsa Frey Lezgus | |
| Sube | Oconto, Manitowoc | SWestrgard@aol.com | |
| Suetmeier/Suedmeyer | Dane | Mark Parsons | |
| Sullivan | All | Neil Giffey | |
| Sullivan | Brown | Viki | |
| Sullivan | Green | Nancy Wood | |
| Sullivan | Green | Kelly Butler | |
| Sullivan | Milwaukee | Kathy Weller Medick | |
| Svendsen | Green, Lafayette | Carol Reese | WEBSITE |
| Svengaard | Eau Claire | Robert E. Epp | |
| Svetika/Svetikova | Kewaunee | tlumacov@hotmail.com | |
| Swain | Vernon | Joe Chase | |
| Swallwell | Marinette | Jim Cook | |
| Swanson | Shawano | Carol Logan | |
| Swanson | Shawano | Karolyn Roberts | WEBSITE |
| Swanson | Ashland | Kris Hall | |
| Swanton | Dodge, Dane | srbowe@wolf.co.net | |
| Swatek | Crawford | Bob | |
| Sweeney/Swaney | Monroe | Sharon Nemanic | |
| Sweeny | Lafayette | Nancy Wood | |
| Sweet | Clark | Ken Whitcomb | |
| Swenink | Vernon, Bad Axe, Richland, Crawford | Nita Liska | |
| Swenson | Green, Lafayette | Kelly Butler | |
| Swift | Sauk | Sue Swanson | |
| Switon | Milwaukee | Tom Leszczynski | |
| Swittel | Milwaukee | Kay R | |
| Szalewski | Portage | Betty Martz | |
| Szymanski | All | David Semenske |