On December 20, 1820, Jesse Slocumb (DR) of North Carolina's 4th district died.[1] A special election was held to fill the resulting vacancy.
Blackledge took office on February 7, 1821,[3] near the end of the 16th Congress. He was also elected to the 17th Congress.
Footnote 45: Died December 20, 1820.
Footnote 46: Elected to fill vacancy caused by death of Jesse Slocumb, and took his seat February 7, 1821.