. Jonathan Mason Jr. of Boston, on whom see a sketch above, >vol. 1:280
, and another in JA, Legal Papers
, 1: civ
. He had studied law and lived in JA
's household in 1775–1776 and became a correspondent and admiring friend of both JA
. In 1779 he had married Susan Powell. His father, Jonathan Mason Sr., was a prominent
Boston merchant, married to Miriam Clark; see DAB
under Jonathan Jr. They had three daughters and also a younger son, Benjamin (Harvard
1779), who practiced medicine and became an honorary M.D. in 1800 (Harvard Quinquennial Cat.
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, 2015.