On December 15, 1815, having been elected to the Senate, Nathaniel Macon (DR) of North Carolina's 6th district resigned. To fill the vacancy left in North Carolina's representation for the 14th Congress, a special election was held on January 22, 1816.
Election results
Edwards took his seat on February 7, 1816, during the First Session of the 14th Congress.
References
North Carolina's 6th congressional district special election, 1816 Wikipedia(Text) CC BY-SA