Stewart, Mary Frances passed away peacefully on Sunday June 11, 2017 at the Collingwood General & Marine Hospital in her 87th year. Beloved wife of the late Robert, mother of Marilyn (the late Bernie), cherished grandmother of Jason (Tanya) and Melanie (Mark), great grandmother of Cullen, Jack, Laine, Megan and Keira will be deeply missed. Memorial mass will be held at St. Marys Roman Catholic Church at 12 p.m. on Friday June 16, 2017.