William married Mary Coffin on 5 Nov 1743 in Nantucket, Massachusetts Bay Colony, British Colonial America. Mary (daughter of Samuel Coffin and Miriam Gardner) was born on 29 Sep 1728 in Nantucket, Massachusetts Bay Colony, British Colonial America; was christened on 29 Sep 1728 in Nantucket, Nantucket, Massachusetts Bay Colony, British Colonial America; died on 28 Oct 1777 in Nantucket, Nantucket, Massachusetts, United States; was buried in Oct 1777. [Group Sheet] [Family Chart]