On December 7, 1833, Samuel McKean was elected by the Pennsylvania General Assembly to the United States Senate.
[1][2] The Pennsylvania General Assembly, consisting of the House of Representatives and the Senate, convened on December 11, 1832, for the regularly scheduled Senate election for the term beginning on March 4, 1833.
Ballots 18-21 were recorded on two separate dates (9th and 10th) in January 1833.
[1] Upon the expiration of incumbent George M. Dallas' term on March 4, 1833, the seat was vacated.
It was vacant until the election convention of the General Assembly re-convened on December 7, 1833, and elected Democrat Samuel McKean to the seat after three additional ballots.