↑ Willis, George I. "The English Origins of Henry Willis", in The New York Genealogical and Biographical Record. (New York, New York: New York Genealogical and Biographical Society) 118:2:70, Apr 1987.
William Willis m. Westbury 10 6th mo 1687 [10 Aug 1687] to Mary Titus. [NYGBR 6:98]
↑ "Records of the Society of Friends of the City of New York and Vicinity, from 1640 to 1800", in The New York Genealogical and Biographical Record. (New York, New York: New York Genealogical and Biographical Society) Vol. 6, p. 98.
The 10th day of ye six m'o 1687. At Westburie, William Willis, sonn of Henery & Mary Willis and Mary Titus Daughter of Edmond & Martha Titus of Westburie in the bound of Hempstead on Long Island &c.