The U.S. state of Pennsylvania elected its United States representatives at-large on a general ticket for the first and third United States Congresses. General ticket representation was prohibited by the 1842 Apportionment Bill and subsequent legislation, most recently in 1967.

Galusha Aaron Grow was an American politician, lawyer, writer and businessman, who served as 24th Speaker of the U.S. House of Representatives from 1861 to 1863. Elected as a Democrat in the 1850 congressional elections, he switched to the newly organized Republican Party in the mid-1850s when the Democratic Party tried to force the extension of slavery into western territories.