Ancestor of First Lady Grace Goodhue Coolidge, John Adams, John Quincy Adams, Herbert Hoover, and Diana, Princess of Wales. William's sister Hannah is the ancestor of Calvin Coolidge and Dwight Eisenhower.
In the distribution of the estate of Adam Hawkes on 27 March 1672, "Mr. William Cogswell for his wife" was to receive £90 (The Probate Records of Essex County, Massachusetts, 2:255)