On May 16, 1815, Representative-Elect Jonathan Williams (DR) who'd been elected for , died before the start of the 14th Congress. A special election was held on October 10 of that year to fill the vacancy left by his death.
Election results Candidate Party Votes Percent John Sergeant Federalist 6,364 60.2% John Conard Democratic-Republican 4,204 39.8%
Williams had been the sole Democratic-Republican elected to Pennsylvania's 1st district (a plural district with 4 seats), and so with Sergeant's win, all four of the 1st district's seats were held by Federalists. Sergeant took his seat in the Congress on December 6, 1815 footnote 56
See also List of special elections to the United States House of Representatives
References