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Research dossier · People & Ideas

Mark MacKenzie

American politician

Correspondence, annotated notebooks and portrait silhouettes prepared for research
People and ideasInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJul 23, 2026
Entity authorityQ56600141 ↗
Source-derived summary

Mark MacKenzie is an American politician and labor leader from the state of New Hampshire. MacKenzie, a member of the Democratic Party, serves in the New Hampshire House of Representatives.

MacKenzie joined the Manchester, New Hampshire fire department at age 21 and served for 25 years. He became the president of the New Hampshire chapter of the AFL–CIO in 1989 and served through 2015. He ran for the United States House of Representatives in New Hampshire's 1st congressional district in the 2018 elections, but lost in the Democratic primary, coming in 8th out of 11 candidates.

Editorial summary

“Mark MacKenzie” enters the record as american politician. Crown Archives preserves that source wording while asking what Mark, MacKenzie and American can confirm, complicate or overturn.

Editorial reviewA useful biographical orientation record, particularly for establishing names, roles and a first chronology. The current lead gives the account dated anchors—1989, 2015, 2018—that can be checked directly. The selected authority fields contribute no independent date. Its strongest next move is a source search built around Mark, MacKenzie and American.
Editorial analysis

Why this record matters

“Mark MacKenzie” is worth following because a concise public description often conceals a longer documentary argument. Here, Mark, MacKenzie and American provides the most credible route into that argument.

Evidence profile

The entry’s evidential value lies in the named roles, institutions and publications that can be tested against primary documentation. The source revision retrieved here is dated Jul 23, 2026. The linked authority identifier is Q56600141. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1989, 2015 and 2018.

Critical limits

Later biographies can compress uncertainty and repeat inherited reputations, so apparently settled claims may still require comparison. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Read biographical claims against dates, named institutions and the cited references. Distinguish a subject’s later reputation from evidence produced during their lifetime.

Best used for
  • Establishing names and roles
  • Building a first chronology
  • Locating cited institutions
Verify next

Personal papers, civil or court records, institutional files and the scholarship cited by the source.

Three-step research path

  1. Establish the record: confirm the title “Mark MacKenzie”, its source revision and the description used here.
  2. Expand the search: follow Mark MacKenzie primary sources, Mark MacKenzie archive and Mark research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Mark MacKenzie”?
  2. Which claims depend on a single source or contested interpretation?
  3. How has the subject’s reputation changed across later accounts?
Subject index

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Source & attribution

This entry incorporates text from “Mark MacKenzie” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.