Itemized gifts are loaded through June 30, 2026 for the 2025–2026 cycle. Later FEC reports are not processed yet, so recent totals are incomplete.
O'NEIL, MARTIN MR.
Individual donor · BILLINGS, MT
Summary by party and cycle
| Cycle | Candidate party | For | Against |
|---|---|---|---|
| 2026 | Republican | $8,000 | $0 |
| 2024 | Republican | $15,700 | $0 |
| 2022 | Republican | $1,000 | $0 |
| 2020 | Republican | $6,600 | $0 |
| 2018 | Republican | $17,700 | $0 |
| 2016 | Republican | $1,000 | $0 |
Details by candidate
| Cycle | Candidate | Party | How | For or against | Amount | Gifts | Latest | Source |
|---|---|---|---|---|---|---|---|---|
| 2026 | FLINT, AARON | Republican | Contribution | For | $5,000 | 1 | 2026-06-26 | filing |
| 2026 | ALME, KURT | Republican | Contribution | For | $2,000 | 1 | 2026-04-27 | filing |
| 2026 | DOWNING, TROY | Republican | Contribution | For | $1,000 | 1 | 2026-06-25 | filing |
| 2024 | SHEEHY, TIM | Republican | Contribution | For | $13,200 | 2 | 2024-09-30 | latest filing |
| 2024 | DOWNING, TROY | Republican | Contribution | For | $1,500 | 2 | 2024-09-11 | latest filing |
| 2024 | ROSENDALE, MATT | Republican | Contribution | For | $1,000 | 1 | 2023-05-16 | filing |
| 2022 | ZINKE, RYAN K | Republican | Contribution | For | $1,000 | 1 | 2021-10-14 | filing |
| 2020 | DAINES, STEVE | Republican | Contribution | For | $5,600 | 2 | 2020-04-17 | latest filing |
| 2020 | ROSENDALE, MATT | Republican | Contribution | For | $1,000 | 1 | 2020-09-30 | filing |
| 2018 | GIANFORTE, GREG | Republican | Contribution | For | $11,800 | 5 | 2018-02-27 | latest filing |
| 2018 | ROSENDALE, MATT | Republican | Contribution | For | $4,400 | 1 | 2018-08-08 | filing |
| 2018 | FAGG, RUSSELL C | Republican | Contribution | For | $1,500 | 2 | 2018-05-11 | latest filing |
| 2016 | ZINKE, RYAN K | Republican | Contribution | For | $1,000 | 1 | 2015-10-29 | filing |