Patricia C. Mattison, nee Messina, of Evergreen Park, IL; passed away peacefully on Monday, August 17, 2026. Beloved wife of the late Donald Mattison Sr.; loving mom of Donald Jr. (Lee Ann) Mattison, Gregory (Janet) Mattison and Cynthia (James Sr.) Clancy; cherished grandma of Melissa McIntosh, Michael Mattison, Matthew (Ashley) Mattison, Alyssa (Korey) Kreider, James Jr. (Kristin) Clancy, Amy (Nate) Peterson and Stephen Sr. (Kayla) Clancy; proud great-grandma of Mattison, Teagen, Cameron, Owen, Collin, Graham, Julian, Sienna, Evalyn, Vivian, Gracelyn, Bo, Charlotte and Stephen Jr.; dearest sister of Catherine Tumminello.
Funeral services are private. Arrangements entrusted by Blake-Lamb Funeral Home. (708) 636-1193.
