Ivack, Mary (nee Senderak) Beloved wife of Jerry, Cpt. CFD; dearest mother of Lauren and Allison.  Dearest daughter of the late John and Jean (nee Gajda) Senderak. Fond sister of Michael (Edith), Daniel (Sue) and the late Joseph (Cathy) Senderak.  Aunt of many nieces and nephews.  Visitation at Cooney Funeral Home, 3918 W. Irving Park Rd., Chicago on Friday from 3 to 9 p.m.  Funeral Saturday, 9:45 a.m.  to St. Priscilla Church for Mass at 10:30 a.m. Interment private. In lieu of flowers, donations to Scleroderma Foundation, 300 Rosewood Dr., Ste.105, Danvers, MA 01923 or www.scleroderma.org  would be appreciated.  For info 773-588-5850 -  www.cooneyfuneralhome.com