The Democratic-Republican Michael Leib was elected to the United States Senate by the General Assembly, consisting of the House of Representatives and the Senate, in December 1808. Sen. Leib resigned on February 14, 1814, to become postmaster of Philadelphia.
Following the resignation of Sen. Michael Leib, the Pennsylvania General Assembly convened on February 24, 1814, to elect a new Senator to fill the vacancy. The results of the vote of both houses combined are as follows:
|Democratic-Republican||Horatio Gates Jones||1||0.79|
| Pennsylvania U.S. Senate election (Class I)