William A. Koch age 76 of Des Plaines, Illinois passed away on December 15, 2018. Beloved husband of Patricia (nee Ray) for 35 years. Loving father of Mark, Michael, Christopher, and Kevin. Proud grandfather of Samantha, James, and Margaret. Dear brother of Ronald, Barbara and the late Jack. Uncle and cousin to many. A memorial visitation will be taking place on Friday, December 28, 2018 beginning at 3:00 p.m. until time of service at 7:00 p.m. at G.L. Hills Funeral Home, 745 Graceland Avenue, Des Plaines, Illinois 60016. For information please call (847) 699-9003.