7. Mary, or Polly (Smith) Gray, cousin of AA and Mrs. Shaw, widowed in 1779, was to marry the widower Samuel Allyne Otis on 28 March 1782. See Adams Genealogy under both names
Cite web page as: Founding Families: Digital Editions of the Papers of the Winthrops and the Adamses, ed.C. James Taylor. Boston: Massachusetts Historical Society, 2007.
http://www.masshist.org/ff/