Denis F. Sullivan of Millville formerly of South Boston passed away Tuesday November 4, 2014 at the age of 61. Retired Senior Fire Alarm Operator Boston Fire Department, Fire Alarm Division. Beloved husband of Kathleen F. (Arnold) Sullivan. Loving father of six children, 13 grandchildren, and one great grandchild. Also survived by one sister, three brothers, several nieces, nephews, and cousins. Visiting hours in the William F. Spencer Funeral Home 575 East Broadway, (At H St.) South Boston on Sunday 4-7 PM. Funeral Mass in Gate of Heaven Church, South Boston on Monday at 10 AM. Relatives and friends respectfully invited to attend. Interment St. Joseph's Cemetery, West Roxbury. For directions or to sign an online condolence visit www.spencerfuneralservice.com