Dennis R. Montgomery, age 49, of Des Plaines, Illinois passed away December 30, 2022. Dennis was born January 15, 1973 at Fort Rucker, Alabama. Loving son of Dennis A. and Nancy J. (nee Rzaca) Montgomery. Proud brother of Scott R. Montgomery. Dearest nephew of Barbara A. (the late Raymond F.) Antoci. Dennis was a graduate of University of Illinois Chicago. His passion was playing golf. Visitation will be held Saturday, January 7, 2023 beginning at 1:00 pm until the time of service at 4:00 pm at G.L. Hills Funeral Home, 745 Graceland Avenue, Des Plaines, Illinois. Interment private. In lieu of flowers, memorials in Dennis' name may be made to the American Cancer Society, P.O. Box 6704, Hagerstown, MD 21741, https://donate3.cancer.org/?campaign=default&lang=en , or to an animal shelter of your choosing. Funeral care provided by G.L. Hills Funeral Home and Cremation Center. For information, please call 847-699-9003 or visit www.glhillsfuneralhome.com .