William married Mercy White on 3 Feb 1697 in Marshfield, Plymouth, Massachusetts Bay Colony, British Colonial America. Mercy (daughter of Peregrine White, "Mayflower Passenger" and Sarah Bassett) was born in 1670 in Marshfield, Plymouth Colony, British Colonial America; died on 12 Jul 1739 in Marshfield, Plymouth, Massachusetts Bay Colony, British Colonial America; was buried in 1739 in Cedar Grove Cemetery, Marshfield, Plymouth, Massachusetts, United States. [Group Sheet] [Family Chart]