Dennis O'Brien

Individual

Also gave $14K to joint fundraising committees. That isn't in the totals here, because those committees pass the money on to others.

This name appears on FEC filings from 28 states, so this page may combine different people who share it.

Total Contributed

$212K

Contributions

965

Recipients

102

Active Period

1999–2026

Donor Profile

Party Lean

D $103KR $38K

Top States

VA$42K

CA$39K

DC$33K

IL$25K

DE$16K

Giving Trend

↓ 67%

2025–2026 vs 2023–2024

Employer

BOEING

Summary

O'BRIEN, DENNIS is an individual political donor based in CT. They have contributed $212K across 965 contributions to 102 recipients. Their average contribution is $220.057. Top recipients include ANNA ESHOO FOR CONGRESS, THE BOEING COMPANY POLITICAL ACTION COMMITTEE, DEMOCRATIC PARTY OF ILLINOIS. Their political giving spans from the 2000 to the 2026 election cycle, with peak giving of $33K in 2020.

Giving Pattern by Cycle

Contribution amounts per election cycle, colored by recipient party

All Recipients

Committees and candidates receiving contributions, all cycles

#	Name	Party	State	Total	Contributions
1	ANNA ESHOO FOR CONGRESS	Democratic	CA	$32,000	15
2	THE BOEING COMPANY POLITICAL ACTION COMMITTEE	—	VA	$27,375	193
3	DEMOCRATIC PARTY OF ILLINOIS	Democratic	IL	$19,250	12
4	UNITEDHEALTH GROUP INCORPORATED PAC (UNITEDHEALTH GROUP PAC)	—	DC	$16,259	39
5	BERNIE MORENO FOR OHIO	Republican	OH	$11,600	1
6	DAVIS FOR DELAWARE	Democratic	DE	$6,600	2
7	SHEET METAL & AIR CONDITIONING CONTRACTORS' NATIONAL ASSOC., INC. POLITICAL ACTION COMMITTEE	—	VA	$5,850	12
8	OBAMA FOR AMERICA	Democratic	IL	$5,744	9
9	HARRIS VICTORY FUND	—	DC	$5,540	23
10	REPUBLICAN STATE COMMITTEE OF DELAWARE	Republican	DE	$5,000	1
11	CARPER FOR SENATE	Democratic	DE	$4,300	8
12	NATIONAL APARTMENT ASSOCIATION POLITICAL ACTION COMMITTEE	—	VA	$4,000	2
13	HARRIS FOR PRESIDENT	Democratic	PA	$3,375	74
14	DSCC	Democratic	DC	$3,365	19
15	BERNIE MORENO FOR SENATE	Republican	OH	$3,300	1
16	FRIENDS OF PAT TOOMEY	Republican	VA	$2,700	1
17	GREG CONLON FOR US SENATE	Republican	CA	$2,700	1
18	JIMKINGFORSENATE	Democratic	MA	$2,500	1
19	DNC SERVICES CORP / DEMOCRATIC NATIONAL COMMITTEE	Democratic	DC	$2,389	44
20	FRIENDS OF GEORGE MILLER PAC	Democratic	CA	$2,300	1
21	MARK DESAULNIER FOR CONGRESS	—	DC	$2,250	3
22	BUSH FOR PRESIDENT INC.	Republican	VA	$2,000	1
23	MOVEON.ORG POLITICAL ACTION	—	DC	$1,500	2
24	RICHARD POMBO FOR CONGRESS	Republican	CA	$1,500	3
25	DCCC	Democratic	DC	$1,487	40

1–25 of 102

1 / 5

Source: FEC bulk data

Dennis O'Brien — Individual Donor Profile | Poliscope