Margaret E. Kopec (nee Glanz), 99, of Des Plaines, IL passed away peacefully at her home on May 5, 2025. Margaret was born on August 3, 1925 to the late Henry and Margarethe Glanz. She married the late Stanley Kopec on December 19, 1971.

Margaret is survived by her stepdaughters Janice Pitts and Carlen Gaumann, brother John Glanz, and step grandchildren Natalie and Nathan. She is predeceased by her parents, husband Stanley, and siblings Henry (Angeline) Glanz, Charles (Barbara) Glanz, and Katherine (John) Neis. She will be greatly missed.

Visitation will be Friday, May 9, 2025 from 9:30am until 10:30am at G.L Hills Funeral Home, 745 Graceland Avenue, Des Plaines, Illinois followed by an 11:00am Funeral Mass at St. Mary Church, 794 Pearson Street, Des Plaines, Illinois. Interment in St. Adalbert Cemetery, Niles, Illinois. For information, please call the funeral home at 847-699-9003 or visit www.glhillsfuneralhome.com.