Mark P. Stadtmueller

Mark P. Stadtmueller, 69, of Sheboygan, WI (formerly of Neenah, WI) passed away peacefully on June 24th, 2026.

Mark was born on October 13th, 1956 to Franz and Mary Lee (Eick) Stadtmueller. After graduating high school, Mark explored a variety of interests and professions. His love of powersport vehicles led him to spend the majority of his career working for various companies servicing small engines, anything from power tools to recreational vehicles. His talent for mechanical intuition and precision also served his personal collection of motorbikes over the years. Mark enjoyed attending events at Road America, as well as local snowmobile, jetski, and dirtbike races. In 1988, he moved to Sheboygan, WI where he resided for nearly 40 years. He enjoyed spending time with his family, especially gathering for Packer games or golf tournaments. He was always willing to grill, reminding everyone to eat up before he would sit down with his own plate.

Mark is survived by his children, Amy (Ben) Strong of York, SC, Lesley Hernandez of Cleveland, Joel Stadtmueller of Seattle, WA, and Stephanie (JJ) Steudel of Appleton; 11 grandchildren, Autumn (27), AJ (24), LIly (20), Kaia (19), Winston (19), Jack (18), Tyler (17), Charlotte (13), Norah (11), Adelia (4), and Annika (2); his longtime partner, Debra Navis; 3 brothers, James (Anita) Stadtmueller of Neenah, David (Barb) Stadtmueller or Appleton, Franz (Deisha) Stadtmueller of Pleasant Hill, CA; 3 sisters, Phyllis (Todd) Bossert of Clintonville, Karen (John) Kain of Neenah, and Jana (Michael) Hadamovsky of Austria; his former spouse and mother of his children, Susan Stadtmueller of Sheboygan; also many nieces, nephews, and cousins.

He is preceded in death by his father, Franz Stadtmueller; his mother Mary Lee Stadtmueller; 2 brothers, Kurt Stadtmueller and Edward Stadtmueller.

A celebration of life will be held at a later date.

The family would like to extend its deepest gratitude to Sharon Richardson Community Hospice for their care and compassion shown to Mark and his family.