William G. Gilmartin, age 61, of Chicago Heights, Illinois, passed away peacefully on April 25, 2016. Beloved husband of Janet Gilmartin, nee Celmer. Loving father of Dawn (Aaron) Mercer, Amy (Roger) Gonzalez, William (Veronica) Gilmartin II and the late Marcia Gilmartin. Cherished grandfather of Kirsten, Jenna, Cole, Kyle, Noah, Emily, Matty, Joey and Zoey. Dear brother of Laurie (Dale) Corman, Dennis Gilmartin, Robert Gilmartin, the late James Gilmartin and the late Lynn Norris. Visitation Thursday, April 28, 2016 from 3:00 p.m. until time of the funeral service 8:00 p.m. at Smits, Steger Memorial Chapel 3045 Chicago Rd. Steger, Illinois. Interment private Information at 708-755-6100 or www.smitsfh.com