Sullivan ? Mark T of Duxbury, April 9, beloved husband of Elizabeth (Mahoney). Dear father of Ryan Sullivan and Sean Sullivan both of Duxbury. Son of Constance and the late Robert G. Sullivan of Duxbury. Brother of Robert G. Jr. of Duxbury, Steven of Duxbury, and Sandra Ann Judge of Dalton New Hampshire. Funeral from the MacDonald Funeral Home 1755 Ocean St (Rte 139) Marshfield Friday at 9:00 am followed by a Funeral Mass in Holy Family Church, 601 Tremont Street, Duxbury at 10:00 am. Visiting hours Thursday from 4 to 8 pm. Contributions in Mark's memory may be made to Father Bill's Place, 38 Broad Street, Quincy MA 02169