Graduate of St. Barbara High School class of 1960, peacefully passed away after battling breast cancer for over 2 years she will now rest with her beloved husband. Mary was a personnel secretary at Wm Wrigley Jr. Co., for 33 years where she enjoyed helping “her factory workers” until she retired in 2001. Devoted wife of the late William "Bugsy"; loving mother of William "Billy", Johnny (Rose), and Gina "Stu" Gierut; beloved second mother to Ray Malecki and Amy J.;beloved daughter of the late Anthony and Grace Genescritti; fond Nana of Ciara,and Steven; honorary Italian grandma to Sebastian, Joyce, Kathy, and Mandy; loving Nana of three fur babies Tony & Gracy “The Kids”, and Misty “Meow Meow”; dear friend to Maria and Bernadette;.Visitation will be held at Michael Coletta Sons Funeral Home 544 West 31st Street., Chicago.on Saturday; March 26th from 9:00 A.M. – until time of Chapel Service 11:00A.M. Interment Private. For more info 312-225-8500.