John Mason (1766–1849)
John Mason, a son of founding father George Mason, was born on 4 April 1766 in Charles County, Maryland. Following an apprenticeship with an Alexandria, Virginia, merchant, he became a partner in the trading firm of Fenwick, Mason, & Company of Georgetown and Bordeaux, France.
A Guide to the Papers of John Mason (1766–1849), Gunston Hall Library & Archives, Mason Neck, Virginia (Archival Resources of the Virginias).
"To George Washington from John Mason, 26 April 1793," Founders Online, National Archives, https://founders.archives.gov/documents/Washington/05-12-02-0384. [Original source: The Papers of George Washington, Presidential Series, vol. 12, 16 January 1793 – 31 May 1793, ed. Christine Sternberg Patrick and John C. Pinheiro. Charlottesville: University of Virginia Press, 2005, p. 483.]
"To Thomas Jefferson from John Mason, 10 June 1801," Founders Online, National Archives, https://founders.archives.gov/documents/Jefferson/01-34-02-0245. [Original source: The Papers of Thomas Jefferson, vol. 34, 1 May–31 July 1801, ed. Barbara B. Oberg. Princeton: Princeton University Press, 2007, pp. 303–304.]
"Republicans of Georgetown to Thomas Jefferson, 6 March 1809," Founders Online, National Archives, https://founders.archives.gov/documents/Jefferson/03-01-02-0011. [Original source: The Papers of Thomas Jefferson, Retirement Series, vol. 1, 4 March 1809 to 15 November 1809, ed. J. Jefferson Looney. Princeton: Princeton University Press, 2004, pp. 21–23.]
"To James Madison from John Mason, 9 June 1809," Founders Online, National Archives, https://founders.archives.gov/documents/Madison/03-01-02-0257. [Original source: The Papers of James Madison, Presidential Series, vol. 1, 1 March–30 September 1809, ed. Robert A. Rutland, Thomas A. Mason, Robert J. Brugger, Susannah H. Jones, Jeanne K. Sisson, and Fredrika J. Teute. Charlottesville: University Press of Virginia, 1984, pp. 235–236.]
"From George Washington to John Mason, 2 January 1798," Founders Online, National Archives, https://founders.archives.gov/documents/Washington/06-02-02-0002. [Original source: The Papers of George Washington, Retirement Series, vol. 2, 2 January 1798 – 15 September 1798, ed. W. W. Abbot. Charlottesville: University Press of Virginia, 1998, pp. 1–2.]
Richmond Enquirer, 23 March 1849, page 2, column 6 (Newspapers.com).
John Mason at George Mason’s Gunston Hall.
BG John Mason at Find a Grave.