US Midterms 2026
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Lori Trahan, a Democrat who has represented Massachusetts's 3rd congressional district since 2019, is seeking re-election in 2026 against Republican Gary Grossi, a retired U.S. Army colonel.
Live TruthIndex™ and prediction market consensus for races contested by Lori Trahan.
Recent media coverage for Lori Trahan.
Massachusetts House Rep. Katherine Clark (MA-05) is at the center of a DHS/ICE scrutiny after a Massachusetts delegation pressed Homeland Security for an inspection of an ICE field office.
ClarkRepresentative Lori Trahan (D-MA-03) supports a federal framework to regulate powerful AI models, arguing it would provide guardrails for AI safety.
Lori Trahan, U.S. Representative for Massachusetts' 3rd District, discusses priorities for potential lame-duck action in 2026.
U.S. Rep. Lori Trahan (MA-03) says she is gathering bipartisan support for her federal AI regulations, the FRONTIER Act, and believes it is well-positioned to move in the current Congress.
Lori Trahan (MA-03) discussed the potential outcomes for a lame-duck session in 2026, noting a “huge range” of possibilities depending on the November election.
No story this week names this candidate.
Lori Trahan, born Lori Ann Loureiro on October 27, 1973, was raised in Lowell, Massachusetts, where she grew up with three sisters. Her father, Tony Loureiro, was the son of Portuguese parents, and her mother is also of partial Portuguese ancestry from the Azores.
While attending Lowell High School, whose Sports Hall of Fame later inducted her, Trahan earned an athletic scholarship in volleyball to Georgetown University.
She graduated from Georgetown's Walsh School of Foreign Service with a bachelor's degree in comparative and regional studies in international relations.
After college, Trahan worked for Marty Meehan, then the U.S. representative for Massachusetts's 5th congressional district, and eventually became his chief of staff. In 2005 she left the public sector to join ChoiceStream, a marketing software company based in Cambridge, Massachusetts, and she later became chief executive of the Concire Leadership Institute, a small, female-owned consulting firm.
Trahan entered the 2018 race to succeed retiring U.S. Representative Niki Tsongas in the 3rd district.
She won the September 2018 Democratic primary in a field of ten candidates, narrowly defeating Daniel Koh in a result upheld after a recount, and then defeated Republican Rick Green with 62% of the vote. She was re-elected in 2020, 2022 and 2024, defeating Republican Dean Tran with 63.6% in 2022.
The House Ethics Committee opened an investigation into her 2018 campaign finances in December 2019 and voted unanimously to dismiss it on July 15, 2020. She sits on the Committee on Energy and Commerce and its subcommittees on health and on innovation, data and commerce.
The 3rd district covers northeastern and central Massachusetts, including Lowell and Lawrence, and Trahan, the incumbent, was re-elected uncontested in 2024. She advanced through the 2026 Democratic primary as an uncontested candidate, receiving 69,670 votes, or 99.2%. Her Republican opponent is Gary Grossi, a retired U.S. Army colonel who won his party's primary with 99.0% of the vote. The general election takes place on November 3, 2026.
