Increase married Mary Whitmarsh in 1680 in Weymouth, Norfolk, Massachusetts, United States. Mary (daughter of John Whitmarsh and Sarah Harding) was born on 14 Aug 1663 in Weymouth, Suffolk, Massachusetts Bay Colony, British Colonial America; died on 21 Dec 1715 in Weymouth, Bristol, Massachusetts, British America; was buried in Dec 1715 in Weymouth, Norfolk, Massachusetts, United States. [Group Sheet] [Family Chart]