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NH · Officeholder

Mark MacKenzie

DState Representative · District Hillsborough 40

On the ballot Nov 3, 2026: New Hampshire House Hillsborough 40

Biography

Mark MacKenzie is a Democratic member of the New Hampshire House of Representatives from Hillsborough 40, where he assumed office on December 7, 2022, and is seeking re-election in the November 3, 2026 general election.[1] A captain with the Manchester Fire Department, he has also held leadership roles with firefighter and labor organizations.[1]

Mark MacKenzie's career experience includes working as a captain of the Manchester Fire Department.[1] He has served as secretary-treasurer of the Professional Firefighters of NH and as president of the New Hampshire AFL-CIO.[1]

MacKenzie previously served in the New Hampshire House of Representatives for Hillsborough 17 from 2016 to 2018, when Heidi Hamer succeeded him.[1] Ballotpedia lists his 2023-2024 committee assignment as the Labor, Industrial and Rehabilitative Services Committee.[1] He advanced from the Democratic primary for Hillsborough 40 on September 8, 2026.[1]

  1. 1.Mark MacKenzie - Ballotpedia · Ballotpedia Reference

Researched from the cited sources on 2026-10-21. Not yet independently fact-checked.

New Hampshire House Hillsborough 40

Votes by issue

Their recorded votes on bills that divided the chamber (unanimous votes left out), grouped by topic. A bill can sit under more than one topic. "With" and "against" compare each vote with how most Democrats voted. How topics are assigned

Where they stood out

Voted against most of their party on 12 of 477 party-divided votes on file.

Most often on: Housing & rent (7), Rights & public safety (3), Jobs & cost of living (1)

  • requiring legislative approval of the amendment or permanent removal of historical markers.

    Voted yes · most Democrats voted no · Democrats 23–119, Republicans 169–6

    Aug 19, 2026Official record ↗

  • (Second New Title) relative to the use of physical force in defense of a person.

    What it does: Allows a person to use deadly force inside their home or its yard against someone likely to use unlawful force while committing a felony against another person, not only against themselves, starting January 1, 2027.

    Voted yes · most Democrats voted no · Democrats 15–139, Republicans 192–0

    Jun 4, 2026Official record ↗

  • relating to the right to hunt, fish, and harvest game and fish. Providing that citizens of New Hampshire shall have the constitutional right to hunt, fish, and harvest game and fish, subject to restrictions existing in law.

    Voted yes · most Democrats voted no · Democrats 24–127, Republicans 174–1

    Mar 11, 2026Official record ↗

  • (New Title) relative to the approval process for new construction and to the adoption of energy efficient and clean energy districts by municipalities.

    What it does: Lets property owners build without a variance for minimum lot size or lot coverage when the building conforms to zoning and to neighborhood density, and lets governing bodies of non-charter towns and village districts…

    Voted no · most Democrats voted yes · Democrats 104–51, Republicans 50–143

    Jun 12, 2025Official record ↗

  • prohibiting planning boards from considering the number of bedrooms a given unit or development has during the hearing and approval process.

    Voted no · most Democrats voted yes · Democrats 121–42, Republicans 55–140

    May 22, 2025Official record ↗

How this is counted

Their votes on the most contested roll calls

The votes in their chamber that came out closest and most divided by party, among those they voted on. How we rank

See all their split votes

Substantive votes concern legislation or nominations; procedural votes concern how the chamber considers them. A Yes vote applies to the motion shown, which may not be final passage.

HB 2026 · NH HOUSE

(New Title) relative to the state 10-year transportation improvement plan; relative to toll rate adjustments and periodic toll reviews for the New Hampshire turnpike system to support the 2027-2036 ten-year transportation plan; and relative to reconstruction of the Gregg Mill Road Bridge in the town of New Boston.

YesVOTED

Motion: Veto Override

Passed 292–25·Substantive·Aug 19, 2026Roll call ↗
HB 221 · NH HOUSE

(New Title) enabling electric utilities to own, operate, and offer advanced nuclear resources, and relative to purchased power agreements for electric distribution utilities and limitations on community customer generators.

NoVOTED

Motion: Veto Override

Failed 152–167·Substantive·Aug 19, 2026Roll call ↗
HB 232 · NH HOUSE

relative to the rights of conscience for medical professionals.

NoVOTED

Motion: Veto Override

Requires health care institutions to notify employees who provide abortion services each year that they may request an accommodation for religious or moral objections to directly participating in abortions and may complain to the attorney general, who must report substantiated complaints annually.

AI summary — read the bill text ↗
Failed 166–154·Substantive·Aug 19, 2026Roll call ↗
HB 396 · NH HOUSE

(Second New Title) relative to the processing of cattle, swine, sheep, and goats at facilities not certified by the United States Department of Agriculture.

NoVOTED

Motion: Veto Override

Failed 204–116·Substantive·Aug 19, 2026Roll call ↗
HB 1072 · NH HOUSE

relative to employer notice of department of labor investigations.

NoVOTED

Motion: Veto Override

Requires the labor commissioner to give employers at least 30 days' notice before a visit or inspection and at least 30 days to answer document or interview demands, with exceptions for recent violators, imminent safety risks, likely evidence destruction, certain safety inspections and owner consent.

AI summary — read the bill text ↗
Failed 160–159·Substantive·Aug 19, 2026Roll call ↗
HB 1097 · NH HOUSE

requiring legislative approval of the amendment or permanent removal of historical markers.

YesVOTED

Motion: Veto Override

Failed 193–125·Substantive·Aug 19, 2026Roll call ↗
HB 1102 · NH HOUSE

(New Title) increasing the research and development tax credit cap and relative to state park fees for state residents.

YesVOTED

Motion: Veto Override

Passed 231–88·Substantive·Aug 19, 2026Roll call ↗
HB 1184 · NH HOUSE

relative to the issuance of no trespass orders on municipal or school district property.

YesVOTED

Motion: Veto Override

Lets public bodies issue emergency no-trespass orders for public property lasting up to 35 days, with longer orders needing a roll call vote, a one-year maximum, and a right to a hearing and appeal to superior court.

AI summary — read the bill text ↗
Passed 290–29·Substantive·Aug 19, 2026Roll call ↗
HB 1267 · NH HOUSE

prohibiting school district attorneys and non-school personnel from questioning students without their parent or guardian present.

YesVOTED

Motion: Veto Override

Requires school boards and charter school trustees to adopt a policy barring non-school persons, and school-employed attorneys, paralegals or law enforcement, from questioning a minor student without written parental permission, and to ask adult students whether to notify parents; child-welfare inquiries excepted.

AI summary — read the bill text ↗
Passed 311–6·Substantive·Aug 19, 2026Roll call ↗
HB 1336 · NH HOUSE

(New Title) relative to regulated conditional deposits.

NoVOTED

Motion: Veto Override

Lets landlords accept an extra deposit of up to one month's rent from applicants who fail disclosed screening criteria such as credit score, income, prior evictions, unpaid judgments or references, with written notice and a right to re-screening; also says advance rent need not be escrowed.

AI summary — read the bill text ↗
Failed 159–155·Substantive·Aug 19, 2026Roll call ↗

Showing 10 of 571 votes in this collection. Coverage may be incomplete; each entry links to the official record.