Mark Spencer Sullivan Sr.

Mark Spencer Sullivan Sr. of Weymouth, died peacefully at his home, surrounded by his loving family, on Monday, May 12, 2025. He was 64.

Mark was born in Chelsea on June 21, 1960, and was the son of the late Robert F. and Joan (Crocker) Sullivan.

Mark worked as a truck driver for Local 25. In his spare time, he enjoyed boating, camping, fishing, ham radio, CB radio, going to flea markets, working on engines and doing home improvement.

Mark was the former husband and great friend of Debra (Patch) Sullivan Clifford of Rockland. He was the devoted father of Mark S. Sullivan Jr. and Nicole Sullivan, both of Weymouth, and the late Daniel Sullivan, who died in 2023. Mark was the loving grandfather of Spencer, Boston, and Brooklynn. He was the dear sister of Martha Gobie, and the dear brother-in-law of JoAnn Banden and her late husband Christopher. Mark is also survived by his nephews Christopher and Thomas.

Services are private.

In lieu of flowers, memorial contributions may be sent in Mark's name to the charitable organization of one's choice.