Dorothy V. Kois (nee Setlak), age 92, a resident of Des Plaines, Illinois since 1960, passed away October 16, 2022. Beloved wife of the late Thomas Kois. Loving mother of Deborah (the late Michael) Lunardini, Steven (Cynthia), John, Alan (Debra) Kois, and Karen (Steve) Lakoske. Proud grandmother of 15 and great-grandmother of 15. Visitation will be held Thursday, October 20, 2022 from 4:00 pm until 8:00 pm at G.L. Hills Funeral Home, 745 Graceland Avenue, Des Plaines, Illinois. A prayer service will be held Friday, October 21, 2022 at 10:15 am at the funeral home, funeral Mass to follow at 11:00 am at St. Mary Church, 794 Pearson St., Des Plaines, Illinois. Interment in All Saints Cemetery, Des Plaines, Illinois. Funeral care provided by G.L. Hills Funeral Home. For information, please call 847-699-9003 or visit www.glhillsfuneralhome.com.