A special election was held in Massachusetts's 14th congressional district to fill the vacancy left by George Thatcher (F) declining to serve a 7th term, having served continuously since the 1st Congress and, after the death of Thomas Hartley (F) in Pennsylvania's 8th congressional district on December 21, 1800, the last remaining member of the 1st Congress to have continuously served in the House. The election was held on June 22, 1801