STACK, David J. of Winthrop and formerly of East Boston, passed away on November 15, 2010. He was 73. Born in Boston, he was the beloved son of the late Lawrence Stack and Helen (Morrissey) Hartman. Devoted father of Dennis Stack, Richard and Robert Pisani and Joyce DePippo all of Winthrop. Adored grandfather of Joseph, Matthew, and Mario. Dear brother of Lawrence Stack of Revere, Paul and Maureen Stack and Ellen McGilvary all of East Boston, and the late Dennis and James Stack. He was the former husband of Loreen McDonald Mondello. Also survived by many nieces and nephews. Funeral from the Maurice W. Kirby Funeral Home 210 Winthrop St. WINTHROP, on Tues, November 23, at 9am. A Funeral Mass will be held at St. John the Evangelist Church at 10am. Relatives and friends are invited. Interment will be in Winthrop Cemetery (Belle Isle Section). Visiting hours are Mon. only 4-8pm. Prior to his retirement; David worked as a Long Shoreman on the docks in Boston for Bethlehem Steel and Boston Ship Corp. He was a member of the AFL-CIO, Local #25. For guestbook and directions, go to www.mauricekirbyfh.com.