Prediction Edge
Democrat
Mariah Lancaster

Overview

Current roleVeterinarian

PartyDemocratic

Political ideologyProgressive Democrat

GenderOther

LocationMassachusetts

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BackgroundVeterinarian

EducationTufts University, Cummings School of Veterinary Medicine (D.V.M., 2017)

Notable personal detailsDr. Mariah Lancaster is a Democratic candidate for the U.S. House in Massachusetts's 6th Congressional District. A veterinarian by training, they have worked in emergency and wildlife veterinary medicine and have federal policy experience, including work on Capitol Hill and at the U.S. Department of State. Lancaster has also served as the American Veterinary Medical Association’s 2023–2024 Congressional Fellow in the office of Rep. Betty McCollum.

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Positions

LiberalConservative

Economy & Taxes

Mariah Lancaster’s campaign emphasizes lowering costs for working families, expanding public investment in areas like healthcare and education, and building a green economy that creates jobs. The campaign also explicitly calls for taxing the rich and says billionaires are dodging taxes while raising prices.

Healthcare

Mariah Lancaster supports universal healthcare and describes healthcare as a human right. The campaign page explicitly backs single-payer as the clear solution and says no one should profit off a person's pain.

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Immigration & Border

Mariah Lancaster calls for abolishing ICE and dismantling DHS. The campaign frames immigration policy as a values issue and rejects using the National Guard to target immigrant communities on the North Shore.

Abortion & Reproductive Rights

Mariah Lancaster supports codifying reproductive freedom into law and says abortion is healthcare. She supports repealing the Hyde Amendment, protecting national access to birth control and abortion, and limiting abortion-service disinformation.

Climate & Energy

Mariah Lancaster supports a clean energy revolution and says clean energy is cheaper than fossil fuels. The campaign frames diverse renewable energy as a way to lower costs, protect the environment, create jobs, and invest in national security. Lancaster also describes this as a step toward clean energy in campaign remarks and materials.

Public Safety & Guns

Mariah Lancaster supports reinstating the federal assault weapons ban, banning high-capacity magazines, requiring a license to purchase a gun, and limiting purchases to one gun per month. She also supports repealing federal protections for the gun industry, expanding federal gun violence research, and removing military-grade weaponry from law enforcement while increasing non-carceral community safety resources.

Polls

Workbench Strategy
10%8%6%4%2%0%
8%
Mariah Lancaster
M. Lancaster
Date (Start - End)SpreadShare
Workbench StrategyMay 27, 2026
8.0%
Center For Strategic PoliticsMay 15, 2026
10.0%
Schoen Cooperman ResearchMar 24, 2026
3.0%

Aggregation source: FiftyPlusOne

Fundraising

Latest report: Cycle 2026
Total raisedCash on hand
$310.0K
$232.5K
$155.0K
$77.5K
$0

2026

Latest
Year
Total raised
Cash on hand
Total spent
Burn rate

Cycle 2026

$310.0K
$87.8K
$222.1K
$12.3K

Source: FEC

New updates coming soon

We're monitoring and will update when new data impacts the race.

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