Mary Peterson nee Giantomasso, age 101, late of Chicago Heights, IL, passed away Tuesday, March 26, 2013. Beloved wife of the late Leonard Peterson. Loving mother of Len Peterson. Visitation Thursday, March 28, 2013 from 11:00 a.m. until the time of prayer service 12;00 p.m. at the Smits Funeral Home-Steger Memorial Chapel 3045 Chicago Rd, Steger, IL 60475. Interment Evergreen Hill Cemetery - Steger, IL. For further information please contact 708-755-6100 or visit www.smitsfh.com