Wallis, Mary Lou passed away peacefully on November 25, 2022 at the age of 73 years. Preceded in death by parents Leonard and Leona Dingman of Farming, MN, and brothers Allen and Duane Dingman. Survived by sisters RoseAnn Bauer and twin Mary Jane Treat, brother Marlin Dingman, many nieces and nephews, as well as many other loving family and friends. A Mass of Christian Burial will be held at Our Lady of Peace Catholic Church, 5426 12th Ave. S., Minneapolis, MN, Friday, December 16, 2022, at 11AM with visitation 1 hour prior. Reception to follow.