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Corey O'Connor
Corey O'Connor (Democratic) is the Allegheny County Controller in Pennsylvania. He assumed office on July 11, 2022. His current term ends on January 3, 2028.
O'Connor (Democratic Party) ran for election for Mayor of Pittsburgh in Pennsylvania. He won in the general election on November 4, 2025.
Biography
O'Connor attended Central Catholic High School. He earned a bachelor's degree in elementary education from Duquesne University. His professional experience includes working as a community development representative for U.S. Representative Mike Doyle (D).[1]
Elections
2025
See also: Mayoral election in Pittsburgh, Pennsylvania (2025)
General election
General election for Mayor of Pittsburgh
Corey O'Connor defeated Tony Moreno in the general election for Mayor of Pittsburgh on November 4, 2025.
Candidate | % | Votes | ||
| ✔ |  | Corey O'Connor (D) | 92.2 | 22,700 |
 | Tony Moreno (R) | 7.8 | 1,931 | |
| Total votes: 24,631 | |||
 = candidate completed the Ballotpedia Candidate Connection survey. | ||||
| If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey. | ||||
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Democratic primary election
Democratic primary for Mayor of Pittsburgh
Corey O'Connor defeated incumbent Edward Gainey in the Democratic primary for Mayor of Pittsburgh on May 20, 2025.
Candidate | % | Votes | ||
| ✔ | | Corey O'Connor | 52.6 | 31,666 |
 | Edward Gainey | 47.1 | 28,355 | |
| Other/Write-in votes | 0.3 | 189 | ||
| Total votes: 60,210 | |||
| = candidate completed the Ballotpedia Candidate Connection survey. | ||||
| If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey. | ||||
Do you want a spreadsheet of this type of data? Contact our sales team. | ||||
Republican primary election
Republican primary for Mayor of Pittsburgh
Tony Moreno defeated Thomas West in the Republican primary for Mayor of Pittsburgh on May 20, 2025.
Candidate | % | Votes | ||
| ✔ | | Tony Moreno | 62.0 | 2,911 |
 | Thomas West | 26.6 | 1,247 | |
| Other/Write-in votes | 11.4 | 537 | ||
| Total votes: 4,695 | |||
| = candidate completed the Ballotpedia Candidate Connection survey. | ||||
| If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey. | ||||
Do you want a spreadsheet of this type of data? Contact our sales team. | ||||
Endorsements
O'Connor received the following endorsements.
- Allegheny County Democratic Committee
- The 14th Ward Independent Democratic Club (Pittsburgh, PA)
- 19th Ward Democratic Committee
- Allegheny County (PA) Democratic Committee
- Beacon Coalition
- International Union of Painters and Allied Trades (IUPAT) District Council 57
- Pitt College Democrats
- Pittsburgh 14th Ward Independent Democratic Club
- Young Democrats of Allegheny County
2023
See also: Municipal elections in Allegheny County, Pennsylvania (2023)
General election
General election for Allegheny County Controller
Incumbent Corey O'Connor defeated Robert C. Howard in the general election for Allegheny County Controller on November 7, 2023.
Candidate | % | Votes | ||
| ✔ | | Corey O'Connor (D) | 66.8 | 242,933 |
| Robert C. Howard (R) | 33.1 | 120,238 | ||
| Other/Write-in votes | 0.1 | 307 | ||
| Total votes: 363,478 | |||
| = candidate completed the Ballotpedia Candidate Connection survey. | ||||
| If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey. | ||||
Do you want a spreadsheet of this type of data? Contact our sales team. | ||||
Democratic primary election
Democratic primary for Allegheny County Controller
Incumbent Corey O'Connor defeated Darwin Leuba in the Democratic primary for Allegheny County Controller on May 16, 2023.
Candidate | % | Votes | ||
| ✔ | | Corey O'Connor | 81.4 | 135,666 |
 | Darwin Leuba | 18.4 | 30,719 | |
| Other/Write-in votes | 0.2 | 381 | ||
| Total votes: 166,766 | |||
| = candidate completed the Ballotpedia Candidate Connection survey. | ||||
| If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey. | ||||
Do you want a spreadsheet of this type of data? Contact our sales team. | ||||
Republican primary election
Republican primary for Allegheny County Controller
Robert C. Howard defeated incumbent Corey O'Connor in the Republican primary for Allegheny County Controller on May 16, 2023.
Candidate | % | Votes | ||
| ✔ | Robert C. Howard (Write-in) | 90.1 | 10,119 | |
| Corey O'Connor (Write-in) | 9.9 | 1,113 | |
| Total votes: 11,232 | |||
| = candidate completed the Ballotpedia Candidate Connection survey. | ||||
| If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey. | ||||
Do you want a spreadsheet of this type of data? Contact our sales team. | ||||
Endorsements
O'Connor received the following endorsements.
2019
See also: City elections in Pittsburgh, Pennsylvania (2019)
General election
General election for Pittsburgh City Council District 5
Incumbent Corey O'Connor won election in the general election for Pittsburgh City Council District 5 on November 5, 2019.
Candidate | % | Votes | ||
| ✔ | | Corey O'Connor (D) | 97.9 | 8,263 |
| Other/Write-in votes | 2.1 | 176 | ||
| Total votes: 8,439 | |||
| = candidate completed the Ballotpedia Candidate Connection survey. | ||||
| If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey. | ||||
Do you want a spreadsheet of this type of data? Contact our sales team. | ||||
Democratic primary election
Democratic primary for Pittsburgh City Council District 5
Incumbent Corey O'Connor advanced from the Democratic primary for Pittsburgh City Council District 5 on May 21, 2019.
Candidate | % | Votes | ||
| ✔ | | Corey O'Connor | 100.0 | 4,537 |
| Total votes: 4,537 | |||
| = candidate completed the Ballotpedia Candidate Connection survey. | ||||
| If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey. | ||||
Do you want a spreadsheet of this type of data? Contact our sales team. | ||||
2015
The city of Pittsburgh, Pennsylvania, held elections for city council on November 3, 2015. A primary took place on May 19, 2015. The filing deadline for candidates who wished to run in this election was March 11, 2015. Five of the nine city council seats were up for election. In the primary election for District 5, incumbent Corey O'Connor faced Kimberly Kaplan. O'Connor was the winner.[2] He won re-election without opposition.[3]
| Pittsburgh City Council, District 5 Democratic Primary, 2015 | ||||
|---|---|---|---|---|
| Candidate | Vote % | Votes | ||
 Corey O'Connor Incumbent |
85% | 3,907 | ||
| Kimberly Kaplan | 15% | 689 | ||
| Total Votes | 4,596 | |||
| Source: Allegheny County, "Official primary election results," accessed June 11, 2015 | ||||
Campaign themes
2025
Ballotpedia survey responses
See also: Ballotpedia's Candidate Connection
Corey O'Connor did not complete Ballotpedia's 2025 Candidate Connection survey.
2023
Corey O'Connor did not complete Ballotpedia's 2023 Candidate Connection survey.
2019
Corey O'Connor did not complete Ballotpedia's 2019 Candidate Connection survey.
Personal
Note: Please contact us if the personal information below requires an update.
O'Connor and his wife, Katie Stohlberg O’Connor, have live in Swisshelm Park. His father, the late Bob O’Connor, served as mayor of Pittsburgh.[1]
See also
2025 Elections
External links
Footnotes
| Political offices | ||
|---|---|---|
| Preceded by Edward Gainey (D) |
Mayor of Pittsburgh 2026 |
Succeeded by - |
| Preceded by Chelsa Wagner (D) |
Allegheny County Controller 2022-Present |
Succeeded by - |
| Preceded by - |
Pittsburgh City Council District 5 2012-2022 |
Succeeded by Barbara Warwick (D) |
| |||||||||
