April 9, 1938 - Sept. 11, 2021. Mary Ann entered into eternal life at her home, surrounded by her loving family on Sept. 11, 2021, at the age of 83 after a courageous battle with cancer. Mary Ann was born in Waukesha on April 9, 1938. She is the beloved daughter of her late parents, Peter and Genevieve Muzich. She married her loving and cherished husband of 61 years, Frank, on Dec. 3, 1960. She was loving and treasured mother of Timothy J.(Trenda) Muzich, Arthur G. Muzich, Diane M. Mollet, Jennifer J. Mollet, James A. (Lynnette) Mollet, and Kimberly (Dan) Krieser; proud and adored grandmother of 17 grandchildren and 11 great-grandchildren. She is further survived by her loving sisters Patricia (Derald) Vant and Kathy (Nelson) Osborne. She was preceded in death by her devoted and cherished sisters Elizabeth, Francis, Louise, Gladys, Carol, and Rose.