Mack, Donald G. on October 27, 2017 of Syosset, NY. A WW II Navy Veteran. Beloved husband of the late Doris E. Loving father of Jeffrey, Lorraine Masline, and the late Pamela. Cherished grandfather of 2 and great-grandfather of 3. Dear step-brother of Doug Hackett. Reposing at the Beney Funeral Home, 79 Berry Hill Road, Syosset, NY 11791. Visiting Friday, November 10, 2017, 2-4 & 7-9 PM. Funeral Service 11 AM Saturday, November 11, 2017, at St. Margaret's Episcopal Church, 1000 Washington Avenue, Plainview, NY. Interment to follow at St. Margaret's Cemetery.