The1820–1821 United States Senate election in Pennsylvania was held on three separate dates from December 1820 to December 1821. On December 10, 1821,William Findlay was elected by thePennsylvania General Assembly to theUnited States Senate.[1][2]
The Pennsylvania General Assembly, consisting of theHouse of Representatives and theSenate, convened on December 12, 1820, for the regularly scheduled Senate election for the term beginning on March 4, 1821. Two ballots were recorded on December 12. The election convention re-convened on January 16, 1821, when three ballots were recorded with no result, after which the convention adjournedsine die.[1] Upon the expiration of incumbentJonathan Roberts's term on March 4, 1821, the seat was vacated. It was vacant until the nomination convention of the General Assembly re-convened on December 10, 1821, and electedDemocratic-RepublicanWilliam Findlay to the seat.[2] The results of the sixth and final ballot of both houses combined are as follows:
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic-Republican | William Findlay | 83 | 65.87 | |
| Federalist | Isaac Wayne | 18 | 14.29 | |
| Federalist | John Sergeant | 7 | 5.56 | |
| Federalist | Samuel Sitgreaves | 5 | 3.97 | |
| Democratic-Republican | George Bryan | 3 | 2.38 | |
| Democratic-Republican | Molton Rogers | 3 | 2.38 | |
| Democratic-Republican | William P. Maclay | 2 | 1.59 | |
| Democratic-Republican | William Darlington | 1 | 0.79 | |
| Federalist | Samuel Breck | 1 | 0.79 | |
| N/A | Not voting | 3 | 2.38 | |
| Totals | 126 | 100.00% | ||
| Preceded by | Pennsylvania U.S. Senate election (Class I) 1820-21 | Succeeded by |