Mary Klonowski, nee Vellos, longtime resident of LaGrange, age 90, passed away March 22, 2023. Beloved wife of the late Robert S. Klonowski; loving mother of Robert (Deborah Burnet), Paul, Mary Beth (Paul Kahan), Joanne (Roger Brathwaite), Catherine (James) Wenskus, John (Beth) and Peter Klonowski; proud grandmother of Joseph, Daniel, Thomas, Marie, Zewek, Xavier, Zofia, Zane, Hannah, Jack and Ava; great-grandmother of Charlie, Leslie and Robert; dear sister of Beatrice (late Don) Lamb, John (Carla) Vellos and Carolyn (late ROC) O'Connell and a much loved sister-in-law, cousin, aunt and friend of many. Mary taught math at Lyons Township High School for 25 years and continued to substitute teach and tutor for 15 more years. She was an active member of the LaGrange Area League of Women Voters, as well as the National Education Assoc. and a beloved member of Grace Lutheran Church. In 2019, Mary was the recipient of the Lifetime Achievement Award for Outstanding Support of Diversity and Inclusion from the Village of LaGrange. Family and friends will be received at the Conboy-Westchester Funeral Home, 10501 W. Cermak Rd., Westchester on Friday March 31 ^st , 2023 from 3:00 p.m. until 8:00 p.m. All will meet Saturday April 1 ^st , for an 11 a.m. memorial service at Grace Lutheran Church, 200 North Catherine Ave. LaGrange, IL 60525,  The service will be available for live-stream viewing at https://www.gracelutheran-lg. org/live . In lieu of flowers, please register to vote!, or memorials to The LaGrange Area League of Women Voters , or Grace Lutheran Church are deeply appreciated. Arrangements entrusted to Peter B. Kennedy & Co., Funeral Directors. Info: 708-562-5900.