MASON, Armistead Thomson (1787-1819)
Senate Years of Service: 1816-1817

MASON, ARMISTEAD THOMSON, (son of Stevens Thomson Mason), a Senator from Virginia; born at the "Armisteads," in Louisa County, Va., August 4, 1787; graduated from William and Mary College, Williamsburg, Va., in 1807; engaged in agricultural pursuits; colonel of Virginia Volunteers in the War of 1812 and subsequently brigadier general of Virginia Militia; elected as a Democratic Republican to the United States Senate to fill the vacancy caused by the resignation of William B. Giles and served from January 3, 1816, to March 3, 1817; chairman, Committee on the District of Columbia (Fourteenth Congress); moved to Loudoun County, Va.; unsuccessful candidate for election in 1816 to the Fifteenth Congress in a campaign of much bitterness, which gave rise to several duels, and later resulted in his being killed in a duel with his brother-in-law, John Mason McCarty, at Bladensburg, Md., near Washington, D.C., February 6, 1819; interment in the churchyard of the Episcopal Church at Leesburg, Loudoun County, Va.

James Monroe Museum and Memorial Library

Fredericksburg, VA
Papers: In Mason family papers, 1785-1888. 200 items. Personal and business papers. Advance, special permission required.

National Archives and Records Administration
Center for Legislative Archives
Washington, DC
Papers: Material relating to the Mason's contested election case against C.F. Mercer in House of Representatives committee reports and papers of the Fifteenth Congress.

University of Virginia
Alderman Library
Charlottesville, VA
Papers: Unknown quantity in various collections.

Virginia Historical Society
Richmond, VA
Papers: Unknown quantity in various collections.

Virginia State Library and Archives
Richmond, VA
Papers: Correspondence in George Rust, Jr. papers, 1788-1858 (bulk 1815-1858).

  • View of the Whole Ground: Being the Whole Correspondence Between Mr. John M. M'Carty and General A.T. Mason. Washington: n.p., 1818.