Tierney, Mary E. of Arlington November 7. Beloved daughter of Richard D. and Mary F. (Fitzgerald) Tierney of Arlington. Dear sister of Michael and his wife Christine of Burlington, John and his wife Kimberly of Bedford, Patricia Pelon and her husband Matthew of Latham, NY and the late James Tierney. Devoted aunt of Christopher, Andrew, Cameron, James, Aidan, Mackie, Maddie and Jared. Also survived by many aunts, uncles and cousins. Funeral from The DeVito Funeral Home 1145 Mass Avenue ARLINGTON Friday morning at 9:00 followed by a funeral mass at 10:00 in St. Agnes Church. Burial private. Visiting hours Thursday 3:00 to 7:00pm. In lieu of flowers donations may be made in Mary's memory to: The Little Sister's of the Poor 186 Highland Avenue, Somerville, MA 02143