Sr. Margaret, Obl.O.S.B. passed away on April 12, 2018, at her residence at Sacred Heart. Sr. Margaret was born to Mr.and Mrs. Anthony Zidek on October 4, 1925, in Chicago, IL. Raised as a Presbyterian, Sr. Margaret spent some time in her early work life helping in a kitchen of a large Motherhouse of Religious Sisters. This eventually led her to the Catholic Church. Also during those early working years, Sr. Margaret was involved as an operator with “war calls”, which were highly sensitive phone calls during WWII. Her last working years were spent at Holy Cross Hospital on the Southwest Side of Chicago as a telephone switchboard operator. After coming into contact with the Scholastica Mission House, Sr. Margaret made her final profession vows on August 15, 1977. In 2008, the sisters moved to Benedale where she was the last remaining sister of the group founded to assist St. Procopius Abbey in spreading the Catholic Faith, especially in the Chinese Missions. Beloved mother of Diane Williams and a dear grandmother. Loving sister of the late Anthony (the late Betty) Zidek, twin sister of the late Joyce Larson Stelzner, the late John Zidek, and the late Robert (the late Betty) Zidek. Dear aunt to the late Don Zidek, Bill (Judy) Zidek, Bob (Dianne) Zidek, Larry Zidek, Carol Straub, the late Bob Nieubuurt, the late Betty Krois, the late John Nieubuurt, Joy (Jim) Douglas, Mike (Carla) Zidek, Sheri Zidek and a great-aunt to many. Visitation will be held Thursday, April 19 at 10am until time of funeral mass at 11am at the Sacred Heart Monastery, 1920 Maple Ave. Lisle, IL. Interment to follow at St. Procopius Abbey Cemetery.