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Research dossier · People & Ideas

Francis Clyde Duffy

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 authorityQ5480555 ↗
Source-derived summary

Francis Clyde Duffy (March 20, 1890 – December 19, 1977) was a North Dakota Republican Party politician who served as the 25th lieutenant governor of North Dakota under Governor John E. Davis. Duffy also served in the North Dakota Senate from 1949 to 1956.

Editorial summary

Begin with the source’s own compact description: “Francis Clyde Duffy” is american politician. The dossier treats that line as a proposition to test through Francis, Clyde and Duffy, not as a finished interpretation.

Editorial reviewStrongest as a route into the people, institutions and dated events that shaped the subject’s public record. The current lead gives the account dated anchors—1890, 1977, 1949, 1956—that can be checked directly. The linked authority record independently contributes the date 1890-03-20. For this dossier, Francis, Clyde and Duffy is the immediate research focus.
Editorial analysis

Why this record matters

The phrase “american politician” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.

Evidence profile

Biographical claims are most persuasive when dates, appointments and relationships can be traced to records created close to the events described. The source revision retrieved here is dated Jul 23, 2026. The linked authority identifier is Q5480555. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1890, 1977, 1949 and 1956.

Critical limits

Public reputation and documentary evidence do not always develop together; absence from a summary is not evidence of historical absence. 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 “Francis Clyde Duffy”, its source revision and the description used here.
  2. Expand the search: follow Francis Clyde Duffy primary sources, Francis Clyde Duffy archive and Francis 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 “Francis Clyde Duffy”?
  2. How has the subject’s reputation changed across later accounts?
  3. Which primary records establish identity, chronology and institutional ties?
Subject index

Search terms from this dossier

Source & attribution

This entry incorporates text from “Francis Clyde Duffy” 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.