In the 1826 elections in Pennsylvania, a tie vote occurred in the 2nd district. As a result, no candidate won in that district and a special election was held on October 9, 1827.
Election results
Sergeant took his seat at the start of the First Session of the 20th Congress. His election was unsuccessfully contested.
References
Pennsylvania's 2nd congressional district special election, 1827 Wikipedia(Text) CC BY-SA