Teahan of Medford, formerly of Cambridge, April 25, 2009, Marion A. (Gallagher) Teahan, age 83. Beloved wife of the late Stephen F. Teahan. Devoted mother of Patricia Roderick, Maureen Teahan, Joan Bottiggi, Stephen Teahan, Kathleen �Kay� Teahan, Robert Teahan, and Carole Tessicini. Sister of Dorothy Nugent, George Gallagher, James Gallagher, Catherine McLeod, Barbara Keohane, and the late John, William, Robert and Edward Gallagher. Also survived by 11 loving grandchildren and 13 great grandchildren. Funeral from the John C. Burns & Sons Funeral Home, 305 Broadway Cambridge, Wednesday, April 29 at 9:00 a.m. followed by a funeral mass in St. Mary�s Church, Cambridge, at 10:00 a.m. Relatives & friends invited. Visiting hours, Tuesday, April 28 from 4:00-8:00 p.m. Interment, Mt. Auburn Cemetery, Cambridge.