 
The 1861 United States Senate election in Pennsylvania was held on January 8, 1861. Edgar Cowan was elected by the Pennsylvania General Assembly to the United States Senate.
Results.
Incumbent Democrat William Bigler, who was elected in 1856, was not a candidate for re-election to another term. The Pennsylvania General Assembly, consisting of the House of Representatives and the Senate, convened on January 8, 1861, to elect a new Senator to fill the term beginning on March 4, 1861. The results of the vote of both houses combined are as follows:
References.
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