An Historical Catalogue of the Old South Church (Third Church) Boston 1669-1882, Boston: David Clapp & Son (1883), 322.
History of the Town of Hingham, Massachusetts, Vol. 3, Genealogical, Cambridge: John Wilson & Son (1893), 93, Google Books (Digital Library).
Barthelmas, Della Gray, The Signers of the Declaration of Independence: A Biographical and Genealogical Reference, Jefferson, N.C. and London: McFarland and Company, Inc., Publishers (1997), 12.
Hurd, D. Hamilton, comp., History of Norfolk County, Massachusetts, with Biographical Sketches of Many of Its Pioneers and Prominent Men, Philadelphia: J. W. Lewis & Co. (1884), 309.
Roberts, Gary Boyd, comp., Ancestors of American Presidents, Boston: New England Historic Genealogical Society (2009), 468.
DNA Connections
It may be possible to confirm family relationships with John by comparing test results with other carriers of his Y-chromosome or his mother's mitochondrial DNA.
Y-chromosome DNA test-takers in his direct paternal line on WikiTree: