Delores K. Mueller of Cedar Grove, WI passed away peacefully on Saturday, January 17, 2026, at the age of 99. She was born the beloved daughter of Aloys and Margaret (Jentges) VanTreeck on June 7, 1926, at Six Corners (Sheboygan Falls). Delores was united in marriage to Sylvester Mueller on November 28, 1959, at St. George Church, Six Corners. She was a member of Our Lady of the Lakes Catholic Parish.

Delores worked alongside her husband on the family farm where they raised their children. There she enjoyed gardening, cooking for friends and family, playing Skip-Bo and Sheepshead, and doing word search and jigsaw puzzles

Survivors include her daughter Darlene (Wayne) Goehring of Fredonia, two sons Donald (Paula) Mueller of Belgium, and David (Kelly) Mueller of Cedar Grove; nine grandchildren Ryan, Justin (Samatha) and Travis (Tanya) Goehring, Brian (Dr. Margaret Carrig) Mueller, Diana (Evan) Skroch, Christopher Mueller, Daniel (Carina) Mueller, Kimberly (Nick) Gall, and Katie Mueller; 9 great-grandchildren Nolan, Maliyah, Amelia, Gabrial, Josephine, Calli, Haisley, Tatum and Arlo; step-great grandchildren Gavin and Kyah; brother Alvin (Marie) VanTreeck. She is further survived by other relatives and friends.

She was preceded in death by her parents, husband Sylvester (1929-2011), son Daniel Mueller; siblings Evelyn McCabe, Mildred Haen, Melvin VanTreeck, and Paul VanTreeck, 1 infant sister Mabel and 2 infant brothers Theodore and Wilmer.

A Mass of Christian Burial will take place at 1:00pm on Saturday, January 31, 2026, at Our Lady of the Lakes Catholic Parish – St. Nicholas Chapel, W4274 Co Hwy K, Random Lake, WI 53075. The family will receive friends and relatives at the CHURCH from 10:30-1:00pm. Delores will be laid to rest next to her husband at St. Nicholas Catholic Cemetery.

Delores's family would like to extend their special thanks to the staff of Sharon S. Richardson Hospice and Pine Haven, for their compassionate care given to Delores.