of Clarkston, passed away, Saturday April 13, 2019 at 64 years of age. Born July 6, 1954 in Detroit, Michigan the daughter to the late James and Patricia Brock. Beloved wife of Michael for 37 years; dearest mother of David (Amber) Kaye and Marie (Adam) Istvan; adoring grandmother of Kennedy, Lucas, Brooks and Elliot; dear step mother of Sheryl (Lenny) Kersten with grandchildren Jarrett, Jacob and Sierra, Michelle (Rick) Cray with grandchild Mackenzie and Renee (Brian) Schuett with grandchildren Nicholas, Austin and Graham; dearest sister of Colleen (Mike), Katy (Mike), Dan (Cara) and John. Also survived by numerous nieces and nephews. Preceded in death by her parents and brothers Christopher, Michael and Jimmy. Mary was the rehab coordinator for many years with Hurley Medical Center in Flint. She attended Kensington Church and also volunteered with Mt. Zion Church and the Pontiac School System. Above all Mary was focused on her family whom she loved with all of her heart.