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D Democratic · Incumbent · U.S. House 3, Massachusetts · Nov 3, 2026

Lori
Loureiro Trahan

Incumbent Democratic U.S. Representative for Massachusetts's 3rd District, serving since 2019

Researched checked 6 d ago
sources
25
positions
12
endorsements
7
loritrahan.com ↗(opens in a new tab) X(opens in a new tab)Bluesky(opens in a new tab)YouTube(opens in a new tab)Facebook(opens in a new tab)Instagram(opens in a new tab)
Opponents Dennis R. Conlon I+ 1 more Compare race →

Background

Lori Loureiro Trahan is the U.S. Representative for Massachusetts's 3rd Congressional District, having served since January 3, 2019. A native of Lowell, Massachusetts, she attended Lowell High School before earning a B.S. from Georgetown University in 1995 on a volleyball scholarship — becoming the first in her family to graduate from college. She also attended Harvard University in 2013. 135

Before entering politics, Trahan worked for U.S. Representative Marty Meehan, ultimately serving as his chief of staff from 1995 to 2005. She subsequently worked as a technology company executive and co-founded a consulting firm. Her 2018 congressional run was the first time she had ever sought public office. 15

In Congress, Trahan serves as co-chair of the Democratic Policy and Communications Committee, a senior whip, and a member of the Democratic Steering and Policy Committee. She is running for re-election in the November 3, 2026 general election in Massachusetts's 3rd District. 11214

Trahan is a Democrat representing a district centered on Lowell, Massachusetts. The Federal Election Commission identifies her 2026 candidacy as that of an incumbent. 1214

At a glance

Party
Democratic · Incumbent
Running for
U.S. House · District 3, Massachusetts
Election
Nov 3, 2026
Current office
U.S. Representative for Massachusetts's 3rd Congressional District
Website
loritrahan.com(opens in a new tab)

Where they stand

Each position links to the page it was drawn from. Quotes are verbatim.

Voting record

How Lori Loureiro Trahan voted in Congress: 118th Congress (2023–24) and 119th Congress (2025–26), Jan 3, 2023 to Sep 16, 2026. From the official House and Senate roll call records.

roll call votes
1,909
missed
2.4%
with their party’s majority
98%

Recent key votes

  • Sep 16, 2026 · House · S2403 · Economy & jobs
    Retire through Ownership Act
    On Motion to Suspend the Rules and Pass · Passed
    Official roll call ↗(opens in a new tab)
    Yes
  • Sep 16, 2026 · House · HR9497 · Climate & energy
    Water Resources Development Act
    On Motion to Suspend the Rules and Pass, as Amended · Passed
    Official roll call ↗(opens in a new tab)
    Yes
  • Sep 16, 2026 · House · HR9340 · Climate & energy
    Ratepayer Protection Act
    On Motion to Suspend the Rules and Pass, as Amended · Passed
    Official roll call ↗(opens in a new tab)
    Yes
  • Sep 16, 2026 · House · HJRES213 · Climate & energy
    Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule issued by the Environmental Protection Agency relating to the “California State Nonroad Engine Pollution Control Standards; Commercial Harbor Craft Regulations; Notice of Decision”
    On Passage · Passed
    Official roll call ↗(opens in a new tab)
    No
  • Sep 16, 2026 · House · HR10326 · Crime & public safety
    PROOF Act
    On Passage · Passed
    Official roll call ↗(opens in a new tab)
    No
  • Sep 16, 2026 · House · HR9576 · Crime & public safety
    National Fraud Enforcement Division Act
    On Passage · Passed
    Official roll call ↗(opens in a new tab)
    Yes
  • Sep 15, 2026 · House · HJRES210 · Climate & energy
    Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to “California State Nonroad Engine Pollution Control Standards; Ocean-Going Vessels At-Berth; Notice of Decision”
    On Passage · Passed
    Official roll call ↗(opens in a new tab)
    No
  • Sep 15, 2026 · House · HR9500 · Taxes & budget
    Tax Relief for Fraud Victims Act
    On Motion to Suspend the Rules and Pass, as Amended · Passed
    Official roll call ↗(opens in a new tab)
    Yes

Key votes are final decisions on bills and joint resolutions, and top nominations. Software sorts each into an issue from its official title, so check the roll call. All 1,909 votes →

Timeline

  1. Oct 12
    endorsement
    Trahan backs Koh's congressional bid, setting aside earlier primary rivalry

    Reporting confirmed Trahan's endorsement of Dan Koh for the MA-06 seat, noting she had previously backed a rival candidate in the primary, making the endorsement a notable instance of putting aside old rivalries.

    Putting aside old rivalries, Trahan backs Koh's bid for Congress · Oct 12, 2026 (opens in a new tab)
  2. Oct 9
    news
    Schakowsky, Trahan, and Kean introduce bill to protect FTC whistleblowers

    Trahan joined Reps. Schakowsky and Kean in introducing legislation to protect Federal Trade Commission whistleblowers.

    Schakowsky, Trahan and Kean Introduce Bill to Protect ... · Oct 9, 2026 (opens in a new tab)
  3. Oct 7
    news
    Trahan releases CLAIM Act discussion draft to establish AI liability rules

    Trahan unveiled a discussion draft of the Clear Liability for Artificial Intelligence Misconduct (CLAIM) Act, addressing liability for harm caused by AI systems. This is a discussion draft, not an enacted law.

    Trahan Unveils CLAIM Act Discussion Draft to Hold AI ... · Oct 7, 2026 (opens in a new tab)
  4. Oct 7
    news
    Trahan joins Massachusetts delegation urging MGB and nurses to continue contract talks

    Trahan and the Massachusetts congressional delegation urged Mass General Brigham and the Massachusetts Nurses Association to continue negotiations and avert a threatened strike at Brigham and Women's Hospital.

    Trahan, Massachusetts Delegation Statement on Mass ... · Oct 7, 2026 (opens in a new tab)
  5. Oct 6
    endorsement
    Trahan endorses Dan Koh for Congress in neighboring MA-06 race

    Trahan endorsed Dan Koh, the Democratic nominee in the neighboring Sixth District race, despite having supported Tram Nguyen in that district's primary. This is an endorsement by Trahan of another candidate, not an endorsement of her own campaign.

    Campaign Notebook: Ripoff or Parody? | Minogue's Millions ... · Oct 6, 2026 (opens in a new tab)
  6. Oct 1
    news
    Trahan and Obernolte issue joint statement welcoming White House AI Accord

    In a bipartisan statement with Republican Rep. Jay Obernolte, Trahan called the White House AI Accord 'an important step' and highlighted their FRONTIER Act, which would establish risk-based standards, transparency, incident reporting, and emergency authority for AI.

    Trahan, Obernolte Statement on White House AI Accord · Oct 1, 2026 (opens in a new tab)
  7. Sep 17
    news
    Trahan votes to advance WRDA authorizing $180M for MA-03 water and sewer upgrades

    Trahan's office announced she voted to advance the 2026 Water Resources Development Act, which authorizes $180 million for water and sewer projects in the district, including $90 million for Fitchburg, Lawrence, and Methuen, and $90 million for Lowell and Haverhill.

    Trahan Secures $180 Million Authorization for MA-03 ... · Sep 17, 2026 (opens in a new tab)
  8. Sep 17
    news
    Trahan votes for Ratepayer Protection Act on data center costs

    Trahan cast a vote for the Ratepayer Protection Act related to data center costs, as reported by QuiverQuant.

    Lori Trahan Votes for Ratepayer Protection Act on Data ... · Sep 17, 2026 (opens in a new tab)
  9. Sep 1
    news
    Trahan wins MA-03 Democratic primary uncontested; Grossi wins Republican primary

    Trahan received 99.2% of the vote in the Democratic primary and Grossi 99.0% in the Republican primary, with neither facing a named opponent. Both advance to the November 3 general election.

    MA-03 House race 2026 | Smarter.Vote · Sep 26, 2026 (opens in a new tab)

Endorsements

  • EMILY's List organization
    Listed as an endorser on iVoterGuide; no endorsement date specified. ivoterguide.com
  • Professional Fire Fighters of Massachusetts union
    Listed as an endorser on the 2026 MA-03 race page; no endorsement date specified. 2026election.com
  • Trans Rights are Human Rights – Amplify Respect organization
    Listed as an endorser on the 2026 MA-03 race page; no endorsement date specified. 2026election.com
  • National Women's Political Caucus organization
    Listed as an endorser on iVoterGuide and NWPC's 2026 endorsed candidates page; no endorsement date specified. ivoterguide.com
  • Massachusetts AFL-CIO union
    Endorsed Trahan as part of its 2026 endorsements of Massachusetts congressional incumbents; no specific date given for her individual endorsement. bostonherald.com
  • Planned Parenthood Action Fund organization
    Listed as an endorser on the 2026 MA-03 race page; no endorsement date specified. 2026election.com
  • American Federation of Government Employees (AFGE) union
    AFGE endorsed Trahan and seven other Massachusetts House incumbents for reelection, citing their support for AFGE priorities and federal workers' rights. afge.org · Jul 20, 2026

Past elections

General election results for federal office, from the Federal Election Commission.

YearSeatResultVotesShare
2022U.S. House MA-03 · DWon154,49663.5%
2020U.S. House MA-03 · DWon286,89697.7%
2018U.S. House MA-03 · DWon173,17562.0%

Covers the 2016 to 2022 general elections. The FEC has not yet published 2024 congressional results.

Campaign finance

Totals filed with the Federal Election Commission for the 2026 election cycle.

Raised
$1.64M
Spent
$1.32M
Cash on hand
$1.77M

As of Aug 12, 2026. Filings are periodic, so recent money may not be included yet. ↳ FEC record H8MA03106(opens in a new tab)

Sources 25

  1. [1] Putting aside old rivalries, Trahan backs Koh's bid for Congress(opens in a new tab) Oct 12, 2026
  2. [2] Lori Trahan(opens in a new tab) Oct 9, 2026
  3. [3] Massachusetts — 3rd District(opens in a new tab) Oct 9, 2026
  4. [4] Schakowsky, Trahan and Kean Introduce Bill to Protect ...(opens in a new tab) Oct 9, 2026
  5. [5] Trahan Unveils CLAIM Act Discussion Draft to Hold AI ...(opens in a new tab) Oct 7, 2026
  6. [6] Trahan, Massachusetts Delegation Statement on Mass ...(opens in a new tab) Oct 7, 2026
  7. [7] Campaign Notebook: Ripoff or Parody? | Minogue's Millions ...(opens in a new tab) Oct 6, 2026
  8. [8] Trahan, Obernolte Statement on White House AI Accord(opens in a new tab) Oct 1, 2026
  9. [9] MA-03 House race 2026 | Smarter.Vote(opens in a new tab) Sep 26, 2026
  10. [10] Massachusetts labor union endorses nearly all incumbents as businesses, workers flee(opens in a new tab) Sep 19, 2026
  11. [11] Lori Trahan Votes for Ratepayer Protection Act on Data ...(opens in a new tab) Sep 17, 2026
  12. [12] Trahan Secures $180 Million Authorization for MA-03 ...(opens in a new tab) Sep 17, 2026
  13. [13] Trahan Tours New Dracut Housing Project Made Possible by ...(opens in a new tab) Sep 10, 2026
  14. [14] Largest Federal Employee Union Endorses 8 Massachusetts ... - AFGE(opens in a new tab) Jul 20, 2026
  15. [15] Trahan Marks One Year of Trump's Big Ugly Bill(opens in a new tab) Jun 30, 2026
  16. [16] Trahan Statement on Supreme Court Voting Rights Act Decision(opens in a new tab) Apr 29, 2026
  17. [17] Trahan Statement on U.S. Military Strikes in Iran(opens in a new tab) Feb 28, 2026
  18. [18] Trahan Supports Bipartisan Legislation to End the GOP Health Care ...(opens in a new tab) Jan 8, 2026
  19. [19] Trahan Slams New Republican Abortion Ban(opens in a new tab) Sep 15, 2022
  20. [20] In Advance of Build Back Better Act Vote, Trahan Offers Call with ...(opens in a new tab) Nov 18, 2021
  21. [21] Congresswoman Lori Trahan Supports the George Floyd Justice in Policing Act(opens in a new tab) Jun 25, 2020
  22. [22] Congresswoman Lori Trahan Applauds House Passage of the Dream and Promise Act(opens in a new tab) Jun 4, 2019
  23. [23] Congresswoman Lori Trahan Cosponsors the Climate Action Now Act(opens in a new tab) Mar 28, 2019
  24. [24] Congresswoman Lori Trahan Applauds House Passage of Universal Background Checks Legislation(opens in a new tab) Feb 27, 2019
  25. [25] Congresswoman Lori Trahan Named to Education and Labor ...(opens in a new tab) Jan 29, 2019
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