Callison, John D., of Somerville, Dec. 5th. Devoted husband of the late Mary (Cooper) Callison. Beloved cousin of Mary McRae, Arlene Bucci and Vera Forsyth. Also survived by other loving relatives and friends. Funeral from the Rogers & Hutchins Funeral Home, 292 Mass. Ave., Arlington, Monday at 9 am. Funeral Mass at St. Catherine’s Church in Somerville at 10 am. Visiting Hours Sunday 1 to 3 pm. John was a collector and avid reader of books, was employed as a mail handler at the South Annex Post Office in Boston for over 32 years and a U.S. Army WWII veteran. Interment will be at the St. Joseph’s Cemetery in Boston.