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Portrait of Mike DayPhoto: malegislature.gov

MA · Officeholder

Mike Day

DState Representative · District 31st Middlesex

On the ballot Nov 3, 2026: Massachusetts House 31st Middlesex

Biography

Mike Day is a Democratic state representative from Stoneham who represents the 31st Middlesex District and is seeking re-election in the November 3, 2026 general election.[1][2] He is an attorney who founded his own law firm in 2012 and chairs the Joint Committee on the Judiciary.[3][4]

Day represents the towns of Stoneham and Winchester and lives in Stoneham with his wife, Megan, and their three sons, according to his legislative biography.[3] He earned a B.A. from the University of Massachusetts Amherst in 1996 and a J.D. from Georgetown University Law Center in 2003, and he graduated from Phillips Academy Andover in 1991.[3] Day worked as a Special Assistant District Attorney in Middlesex County and practiced law at Mintz Levin in Boston for nearly ten years before founding his own law firm in 2012.[3] He chaired the Boston Bar Association's Civil Rights and Civil Liberties Section in 2014 and was an adjunct law professor at New England School of Law in 2013.[3]

Day chairs the Joint Committee on the Judiciary and also serves on the House Committee on Ethics and the Special Joint Committee on Initiative Petitions.[4] He has coached Stoneham Youth Hockey since 2010.[3]

  1. 1.Massachusetts House of Representatives elections, 2026 - Ballotpedia · Ballotpedia Reference
  2. 2.Representative Michael S. Day - Massachusetts Legislature · Massachusetts Legislature Official record
  3. 3.Representative Michael S. Day - Biography - Massachusetts Legislature · Massachusetts Legislature Official record
  4. 4.Representative Michael S. Day - Committees - Massachusetts Legislature · Massachusetts Legislature Official record

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

Massachusetts House 31st Middlesex

Mike Day is on the Nov 3, 2026 ballot for Massachusetts House 31st Middlesex as D. Not researched in depth — candidate list only.

Ballotpedia ↗

Other candidates for this seat

Stephen TernulloCandidateRMassachusetts House 31st MiddlesexMassachusetts

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 with most of their party on all 108 party-divided votes on file.

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.

H5595 · MA HOUSE

An Act prioritizing patient access to care

YesVOTED

Motion: On Engrossment

Passed 119–33·Substantive·Jul 22, 2026Roll call ↗
H5562 · MA HOUSE

An Act relative to economic development in the commonwealth

YesVOTED

Motion: On passing to be engrossed as amended

Passed 148–2·Substantive·Jul 8, 2026Roll call ↗
H5562 · MA HOUSE

An Act relative to economic development in the commonwealth

YesVOTED

Motion: On adoption of consolidated amendment A

Passed 145–6·Substantive·Jul 8, 2026Roll call ↗
H5555 · MA HOUSE

An Act making appropriations for the fiscal year 2027 for the maintenance of the departments, boards, commissions, institutions, and certain activities of the commonwealth, for interest, sinking fund, and serial bond requirements, and for certain permanent improvements

YesVOTED

Motion: On Enactment Land Taking

Passed 142–6·Substantive·Jul 1, 2026Roll call ↗
H5555 · MA HOUSE

An Act making appropriations for the fiscal year 2027 for the maintenance of the departments, boards, commissions, institutions, and certain activities of the commonwealth, for interest, sinking fund, and serial bond requirements, and for certain permanent improvements

YesVOTED

Motion: On acceptance of conference report

Passed 142–6·Substantive·Jul 1, 2026Roll call ↗
H5493 · MA HOUSE

An Act making appropriations for the fiscal year 2026 to provide for supplementing certain existing appropriations and for certain other activities and projects.

YesVOTED

Motion: On passing to be engrossed

Passed 154–2·Substantive·Jun 10, 2026Roll call ↗
H5493 · MA HOUSE

An Act making appropriations for the fiscal year 2026 to provide for supplementing certain existing appropriations and for certain other activities and projects.

NoVOTED

Motion: On adoption of amendment #12

Amends the bill to bar distribution of the $22.5 million No Cost Call Trust Fund transfer until the budget secretary presents a plan to keep annual spending from the item under $10 million. (AI-written)

Failed 28–128·Substantive·Jun 10, 2026Roll call ↗
S2726 · MA HOUSE

An Act regarding free expression

YesVOTED

Motion: On passing to be engrossed, as amended

Passed 153–3·Substantive·Jun 10, 2026Roll call ↗
S2726 · MA HOUSE

An Act regarding free expression

NoVOTED

Motion: On adoption of amendment #4

Amends the bill to let school committees remove school library materials only after a public hearing and a finding, by clear and convincing evidence, that the material has no educational, literary, artistic, personal or social value or is not age appropriate for any student. (AI-written)

Failed 23–133·Substantive·Jun 10, 2026Roll call ↗
S2726 · MA HOUSE

An Act regarding free expression

NoVOTED

Motion: On adoption of amendment #3

Failed 2–154·Substantive·Jun 10, 2026Roll call ↗

Showing 10 of 165 votes in this collection. Coverage may be incomplete; each entry links to the official record.