Mariah Lancaster
Biography
Mariah Lancaster is a Democratic candidate for U.S. House, District 6 in Massachusetts’s 2026 federal election cycle. The campaign committee, DR MARIAH LANCASTER FOR CONGRESS, is registered in SALEM, MA, with MCCUBBIN, JEREMIE listed as treasurer. Through the most recent FEC filings, the campaign has reported $384K raised, $361K spent, and $23K in cash on hand. Contributions break down as $367K from individuals and $2K from PACs and party committees. The committee reports $38K in outstanding debts. The race’s incumbent is Democratic Seth Moulton.
Compiled from public FEC filings and race data. A detailed profile is being expanded.
FEC filing
Who holds this seat now
The sitting representative for this district, with their full voting record.
Also running for this seat
11 other candidates have filed. Ordered by total raised, which is a filed figure and not a ranking.
See the full race
View every candidate, all fundraising totals, and the primary results for the U.S. House, Massachusetts 6th district race.