Data Status
Local receipts: 2026-10-27 (1 days old)
Federal last sync: 2026-10-27 16:20:25.947786 (1 days old)
Federal latest report coverage: 2026-10-15T00:00:00
Federal latest receipt date (row-level): 2026-09-30 (28 days old)
Federal latest Schedule B date (row-level): 2026-09-30 (28 days old)
Federal latest Schedule E date (row-level): 2026-10-16 (12 days old)
John S "Jack" O'Brien
Office: Clerk | District: Township York | Party: Republican | Residence county: DuPage
Committees 2026 Cycle
Total raised: $11,430.91 | This cycle: $11,430.91
Total spent: $23,006.17 | This cycle: $23,006.17
Most recently active first. Last activity looks at all time; Raised and Spent follow the window above.
| Committee | Status | Last activity | Last filing | Raised | Spent |
|---|---|---|---|---|---|
| York Township Republicans | Active | 2026-09-29 receipt Recently active | Quarterly | $11,430.91 | $23,006.17 |
| Comm To Elect Jack O'Brien | Inactive | 2000-01-26 filing | Semiannual | $0.00 | $0.00 |
Candidacies All time
| Election year | Election type | Race type | Outcome |
|---|---|---|---|
| 1993 | Consolidated Election | won | |
| 1993 | Consolidated Primary | open seat | won |
Money raised By election cycle
| Election cycle | Raised |
|---|---|
| 2026 | $11,430.91 |
| 2024 | $58,617.47 |
| 2022 | $22,490.00 |
| 2020 | $36,431.53 |
| 2018 | $58,377.00 |
| 2016 | $46,417.00 |
| 2014 | $35,218.50 |
| 2012 | $43,423.00 |
| 2010 | $60,497.54 |
| 2008 | $40,617.00 |
| 2006 | $60,470.16 |
| 2004 | $21,792.00 |