On August 26, 1825, before the first session of the19th Congress began,James Allison, Jr. (J) ofPennsylvania's 16th district resigned. Aspecial election was held to fill the resulting vacancy.
| Candidate | Party | Votes[1] | Percent |
|---|---|---|---|
| Robert Orr, Jr. | Jacksonian | 5,157 | 56.7% |
| Abner Lacock | Independent | 3,944 | 43.3% |
Orr took his seat on December 5, 1825, at the start of the First Session of the 19th Congress.[2]
