The Ballot Brief
Massachusetts
Candidate profile

We use AI to research and write election information. Errors are possible. Verify important details with official sources.

Anthony Thomas O'Brien, Sr.

Republican · Massachusetts · 2026

Running for Plymouth County Commissioner, Massachusetts

Top priorities

From other published sources

  • Reviewing and cutting commissioner pay, per South Shore News
  • Recorded meetings and public comment, per South Shore News
  • Skepticism of county administration of federal relief funds, per South Shore News
Biography

Anthony Thomas O'Brien Sr. of Pembroke is a Navy veteran who served as a lieutenant commander and a former Plymouth County commissioner from 2009 to 2013, including time as chairman, per the Plymouth County Observer. No campaign website was found as of September 9, 2026.

On the ballot

Plymouth County CommissionerMassachusetts · 2026Plymouth County sample ballot

See your full ballot

Your address is only used to match your districts.

Voting info and more

Voting info and more
How we source this

Profile facts follow official election office filings and the sources cited in each biography. Roster last verified October 16, 2026. Official sources are the final word on who appears on your ballot.

Verify with the official filingSee everything on your ballotMassachusetts 2026 ballotThe Ballot Brief home