Daniel Walter Koepsell, 41, of Mayville, passed away on Friday, January 9, 2026 at his home surrounded by his family after a hard-fought battle with cancer.
Dan was born on June 4, 1984, to Russell and Kim (Schellpfeffer) Koepsell. He was a 2003 graduate of Mayville High School. He attended UW Whitewater, where he continued to run track. He received his degree in mortuary science at MATC in Milwaukee. Dan was married to Annie Mosser on September 11, 2010 in Milwaukee.
Dan was dedicated to his career in funeral service, serving many families as a fourth-generation funeral director with the Koepsell Funeral Home. Dan was a lifelong member of St. John Ev. Lutheran Church in Mayville, having been baptized and confirmed there. When not at work, Dan could be found in Wisconsin’s spectacular outdoors. He was a fourth generation member of the Blue Wing Hunt Club, Rush Lake, WI and a member of the Mayville Gun Club. He enjoyed beautiful sunsets, bow hunting, campfires, and boating in Eagle River. Dan loved golfing with family and friends, and the Mayville Golf Club holds many happy memories of tee shots, laughter, and holed putts. Dan was a member of the Mayville Chapter of Rotary International, and was instrumental in starting the Rock River Bierfest (including personally selecting the beverages). Exercise and fitness were part of his daily life, and he was an active member of the TAG Center. He planned vacations for his family, who joined him on many wonderful adventures, from the cottage in Eagle River to Costa Rica. Dan was an accomplished cook, and sharing food with others -whether homemade or at a great restaurant he found- brought him joy. Dan brought people together with parties he planned, his infectious smile, and his loyalty. Most importantly, Dan loved loudly, and was a devoted husband and father.
Dan is survived by his wife Annie, their children Charlotte “Charlie” and Caleb, parents Russ and Kim Koepsell, brother Josh (Katherine) Koepsell, grandfather Walter “Rags” Schellpfeffer, nephews Luke and Will Koepsell, as well as other relatives and many friends.
He was preceded in death by his grandparents, Charles and LaVerne Koepsell, and Lila Schellpfeffer.
A visitation will be held at St. John Ev. Lutheran Church in Mayville on Wednesday, January 14, 2026 from 3 pm until 6 pm. A funeral service will be held at St. John Ev. Lutheran Church on Thursday, January 15, 2026 at 1 pm, with Rev. Dr. Mark Cutler officiating. A celebration of life will follow the funeral at the Mayville Golf Club from 2 pm until 5 pm. Inurnment will take place at St. John’s Cemetery in Mayville at a later date.
In lieu of flowers, memorials may be directed to:
-Baggin’ for a Cure, Inc. of Mayville, WI;
-City of Mayville Parks & Recreation Tree Fundraiser
-UW Carbone Cancer Center
-St. John Lutheran Church Child Care and Youth Center
Koepsell Funeral Home is serving the family.
