CACrown ArchivesThe cinema collection
Menu
Research dossier · General Reference

RMS Segwun

passenger steamship in Canada

Cross-disciplinary reference desk with index cards, atlas, dictionary and catalogue
General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionAug 24, 2026
Entity authorityQ7277104
Source-derived summary

RMS Segwun is the oldest operating steam driven vessel in North America, built in 1887 as Nipissing to cruise Muskoka Lakes in the Muskoka, Ontario, Canada, a resort area with many lakes and rivers. Early in the 20th century, Muskoka was poorly served by roads. Vacationers were transported to lodges, or private cottages, via a fleet of steamships. Segwun is the oldest of only three ships in the world still carrying the status of Royal Mail Ship, and the only steamer.

Ports of call included Gravenhurst, Bracebridge, Beaumaris, Port Sandfield, Port Carling and Bala.

History

Construction

In the 1920s the Muskoka Lakes saw strong growth in tourism as the Canadian economy recovered from the trauma of World War I. By 1924 the Muskoka Lakes Navigation Company found that the six steamers then serving the lakes were growing inadequate to the task and looked to add to their fleet. Rather than commission an entirely new boat, management decided to convert the decommissioned SS Nipissing from a paddle-wheeler to a twin propeller passenger steamer. Nipissing's wrought iron hull was built on the Clyde in 1887 and was in service on the lakes from 1887 through 1915. When Segwun was rebuilt on the hull of the second SS Nipissing she was also converted from a side paddle wheel steamer with a walking beam engine into the current two counter-rotating propellers.

The conversion was performed at the Navigation Company's yard in Gravenhurst, Ontario during the fall and winter of 1924–5, at which time the bulk of Nipissing's machinery was removed, including her engines.

Editorial summary

“RMS Segwun” enters the record as passenger steamship in Canada. Crown Archives preserves that source wording while asking what Segwun, passenger and steamship can confirm, complicate or overturn.

Editorial reviewA dependable orientation record for establishing vocabulary, names and a first evidence trail. The current lead gives the account dated anchors—1887, 1924, 1915—that can be checked directly. The selected authority fields contribute no independent date. Its strongest next move is a source search built around Segwun, passenger and steamship.
Editorial analysis

Why this record matters

“RMS Segwun” is worth following because a concise public description often conceals a longer documentary argument. Here, Segwun, passenger and steamship provides the most credible route into that argument.

Evidence profile

The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Aug 24, 2026. The linked authority identifier is Q7277104. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1887, 1924 and 1915.

Critical limits

A concise general-reference account can conceal disagreements about scope, terminology or the weight assigned to individual sources. 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

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

Best used for
  • Subject orientation
  • Search vocabulary
  • Locating named sources
Verify next

The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “RMS Segwun”, its source revision and the description used here.
  2. Expand the search: follow RMS Segwun primary sources, RMS Segwun archive and Segwun 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 “RMS Segwun”?
  2. What terminology or title could unlock a more precise catalogue search?
  3. Which institution is responsible for the underlying evidence?
Subject index

Search terms from this dossier

Source & attribution

This entry incorporates text from RMS Segwun” 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.