Margaret A. “Peggie” (Chamberlain) Flynn, of Boston, MA passed away on May 3, 2026. Beloved daughter of the late William H. and Elizabeth A. (Just) Chamberlain. Devoted mother of Kirk W. Flynn and daughter-in-law, Carina, and Craig Flynn and his wife Eileen. Loving grandmother of Callie A., Zachary W., and Mia A. Flynn. Loving sister of Lorraine Mann and her husband George, and brother William Chamberlain and his wife Theresa. Also survived by many nieces, nephews, relatives and friends. A celebration of life will take place on Monday, June 1, 2026 the Mt. Auburn Cemetery, (Story Chapel) 580 Mt. Auburn St., Cambridge, MA at 1PM following by inurnment at 2:15PM. Relatives and friends are kindly invited to attend.