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Casimir Gzowski

Polish Canadian civil engineer, acting Lieutenant Governor of Ontario (1896-1897)

Correspondence, annotated notebooks and portrait silhouettes prepared for research
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Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionSep 17, 2026
Entity authorityQ2941066 ↗
Source-derived summary

Sir Casimir Stanislaus Gzowski, (born Kazimierz Stanisław Gzowski; March 5, 1813 – August 24, 1898), was a Polish Canadian engineer who was known for his work on a wide variety of Canadian railways, as well as work on the Welland Canal. He also served as acting Lieutenant Governor of Ontario from 1896 to 1897.

Life and career

Gzowski was born in Saint Petersburg to a noble Polish father, Count Stanisław Gzowski, who was then serving as a captain in the Russian Imperial Guard. During the Polish November Uprising, he served as a combat engineer with the rank of podporuchik in the Polish army under the command of Józef Dwernicki against the Russians. After their defeat, he escaped to Austria, but as an unwanted political prisoner, he was deported by the Austrians to the USA. Later, his family also emigrated. He knew no English but began to study law and was admitted into practice. His father was an engineer, and as this became his primary interest, Kazimierz became involved in railway construction in the United States. Eventually, he was hired as an engineer to help in the construction of the New York and Erie Railway.

In 1841, he moved to Canada to work on the Welland Canal. He also helped finish the building of Yonge Street and did other projects for the Department of Public Works in southern Ontario.

Editorial summary

This brief starts where responsible research should: with the source description of “Casimir Gzowski” as polish Canadian civil engineer, acting Lieutenant Governor of Ontario (1896-1897). Everything that follows is an evidence route, not borrowed authority.

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—1813, 1898, 1896, 1897—that can be checked directly. The linked authority record independently contributes the date 1813-03-05. The account is most persuasive where Casimir, Gzowski and Polish can be independently traced.
Editorial analysis

Why this record matters

The subject matters to the people & ideas register because the source frames it as polish Canadian civil engineer, acting Lieutenant Governor of Ontario (1896-1897). Its deeper value depends on whether names, dates, institutions and citations support that framing.

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 Sep 17, 2026. The linked authority identifier is Q2941066. VIAF identifies the subject as 16462557. The Library of Congress control number is n94094656. 3 of 3 selected statements include explicit references; 1 carry qualifiers and 0 use preferred rank. The first chronological checks are 1813, 1898, 1896 and 1897.

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 “Casimir Gzowski”, its source revision and the description used here.
  2. Expand the search: follow Casimir Gzowski primary sources, Casimir Gzowski archive and Casimir 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 “Casimir Gzowski”?
  2. How has the subject’s reputation changed across later accounts?
  3. Which primary records establish identity, chronology and institutional ties?
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Source & attribution

This entry incorporates text from “Casimir Gzowski” 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.