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Portrait of Mike Day, State Representative for Massachusetts 31st Middlesex
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Serving · State House · Massachusetts

Mike Day

State Representative · Massachusetts · 31st Middlesex · Democratic

Mike Day serves as a State Representative in the Massachusetts House of Representatives, representing 31st Middlesex for the Democratic party. The page below collects sourced biographical facts, the seat and district served, and provenance for Day.

Key facts

Full name
Mike Day
Office
State Representative
Chamber
Massachusetts House of Representatives
State
Massachusetts
District
31st Middlesex
Party
Democratic
Status
Currently serving
Born
OpenStates ID
ocd-person/2e198563-4aeb-499b-8333-b4a46b605491
Dataset version
1.20260609

Biographical narrative

816 words · sourced from the Wikipedia REST extract

Michael Seamus Day is a Democratic member of the Massachusetts House of Representatives, currently representing the 31st Middlesex district. He has been in office since January 2015 and has established himself as a prominent figure in the state legislature, particularly through his role as Chair of the Joint Committee on the Judiciary. An attorney by profession, Day has a background in law and public service, which informs his legislative work. He resides in Stoneham, Massachusetts, with his family, including his wife and three sons, alongside their pets.

Early life and career

Mike Day was raised in Massachusetts, where he completed his early education at Phillips Academy Andover, a prestigious preparatory school. Following his time at Andover, he attended the University of Massachusetts Amherst, where he earned his undergraduate degree. Day's academic journey continued at Georgetown University, where he pursued a law degree. Notably, he attended the night division at Georgetown while simultaneously working full-time in Washington, D.C. This experience provided him with a strong foundation in both legal education and practical work experience.

After completing his law degree, Day began his career in public service as a Special Assistant District Attorney in Middlesex County. This role allowed him to gain valuable insights into the legal system and the workings of the judiciary. His experience in this position likely influenced his later legislative priorities and focus on legal and judicial issues. In 2012, he founded his own law firm, further establishing his professional credentials and expertise in the field of law.

In addition to his professional pursuits, Day has been actively involved in his community. He has volunteered as a coach for Stoneham Youth Hockey since 2011, demonstrating his commitment to youth development and community engagement. This involvement reflects his dedication to fostering positive experiences for young people in his district.

Legislative service

Mike Day was first elected to the Massachusetts House of Representatives in the 2014 election and took office in January 2015. Since then, he has been re-elected multiple times, signifying continued support from his constituents in the 31st Middlesex district. Throughout his tenure, Day has served on various committees, reflecting his engagement with a wide range of legislative issues.

In the 2025-26 legislative session, Day holds the position of Chairperson of the Joint Committee on the Judiciary, a role he has occupied since 2021. This committee is responsible for reviewing legislation related to the judicial system, including matters of criminal law, civil rights, and family law. His leadership in this capacity underscores his influence on legal and judicial policy in the state.

In addition to his role as Chair of the Judiciary Committee, Day has participated in several other committees throughout his legislative career. During the 2023-24 session, he served on the House Committee on Ethics, which oversees ethical standards and practices within the legislature, as well as the Special Joint Committee on Initiative Petitions. His involvement in these committees highlights his commitment to maintaining integrity in government and addressing the concerns of constituents regarding the legislative process.

In previous sessions, Day has held various leadership positions, including Vice Chair of the Joint Committee on the Judiciary and other committees focused on personnel, administration, and financial services. His extensive committee work demonstrates a breadth of knowledge and engagement with diverse legislative issues, contributing to his effectiveness as a legislator.

Policy focus and district

As a member of the Massachusetts House of Representatives, Mike Day's policy focus has been shaped by his legal background and the needs of his constituents in the 31st Middlesex district. His role as Chair of the Joint Committee on the Judiciary indicates a strong emphasis on judicial matters, including legislation that affects the legal system, civil rights, and public safety. Day's experience as an attorney likely informs his approach to these issues, allowing him to advocate for policies that promote justice and fairness within the legal framework.

Day's district, the 31st Middlesex, encompasses parts of Stoneham and surrounding areas. As a local resident, he is attuned to the unique challenges and opportunities facing his community. His legislative initiatives often reflect the interests and concerns of his constituents, as he seeks to address issues that impact their daily lives. This includes advocating for policies that support education, public safety, and community development.

In addition to his legislative responsibilities, Day's community involvement, particularly through youth sports, indicates a commitment to fostering a strong sense of community and supporting the development of young people. His volunteer work in coaching youth hockey aligns with his broader goals of promoting healthy lifestyles and positive engagement among youth in his district.

Overall, Mike Day's legislative service is characterized by a focus on judicial issues, community engagement, and a commitment to representing the interests of his constituents in the Massachusetts House of Representatives. His background as an attorney and his active involvement in local initiatives position him as a knowledgeable and dedicated public servant.

Notable legislation

Sponsored and co-sponsored legislation for Mike Day is pending operator curation. The biographical narrative above carries the same provenance trail until per-bill rows are written.

Sources

  1. [1]https://en.wikipedia.org/wiki/Michael_S._DayWikipedia · retrieved 2026-06-09

Notable quotes

Sourced quotes for Mike Day are pending operator curation. Narrative-scope provenance remains attached below.

Sources

  1. [1]https://en.wikipedia.org/wiki/Michael_S._DayWikipedia · retrieved 2026-06-09

Key positions

Curated policy positions for Mike Day are pending operator review. The biographical narrative above carries the same provenance trail until per-topic positions are written.

Sources

  1. [1]https://en.wikipedia.org/wiki/Michael_S._DayWikipedia · retrieved 2026-06-09

Legislative service

  1. Massachusetts House of Representatives31st Middlesex · Democratic

Sources & provenance

Every attributable claim above carries a per-section [N] marker that resolves to the corresponding URL below. Each entry records the upstream provider, the canonical URL, and the timestamp at which the source was retrieved by the ingest pipeline.

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