Theresa R. Mannion, nee Gruber, of Oak Park, age 83. Beloved wife of the late James E.; loving mother of Bill (Kathy) Wambach, Barbara Wambach, Jim Mannion (Mariana DaSilva-Schneider) and the late Mari H.; proud grandmother of Lauren (Ben) Hinz; great-grandmother of Cody Benjamin; dear sister of Mark L. Gruber; fond aunt of many. A Memorial Visitation will be held at St. Giles Church, 1045 Columbian Ave, Oak Park on Friday, June 2, 2023 from 9:00 a.m. until time of Funeral Mass 10:00 a.m. (the mass will be live streamed at https://youtube.com/live/6MCgw3sMfao?feature=share ).  Interment private. In lieu of flowers, memorials to St. Jude's Children's Research Hospital (www.stjude.org) appreciated. Arrangements entrusted to Conboy-Westchester Funeral Home. For info 708-F-U-N-E-R-A-L.