Overview
HMCS Llewellyn is documented as 141 and J278, a member of Llewellyn class, and in Royal Canadian Navy service.
The documented national and naval associations are Canada and Royal Canadian Navy.
Identity and construction
The documented identity includes 141 and J278 and Llewellyn II.
The available construction history records the ship as built by Chantier Maritime de St. Laurent — Île d'Orléans, Quebec and completed 1942-08-24.
Class and service context
HMCS Llewellyn is linked to Llewellyn class. The class page provides shared design history; this page preserves facts that apply to this ship.
The class is associated with the recorded roles of Minesweeping, Coastal mine warfare, Patrol, Guard duty, Training, and Survey. Those roles provide context but do not establish that every ship performed every mission.
Later service and disposition
Sold for commercial use in 1957; renamed Llewellyn II and foundered off Cape Breton on 28 October 1960.
The associated date is 1960-10-28.
Evidence and limits
Available sources confirm the identity, class relationship, and service details shown above for HMCS Llewellyn.
Operational episodes, refits, and crew history are included only when they are supported by evidence tied to this ship.
Class relationship
This ship is recorded as a member of Llewellyn class. Shared design history belongs on the class page; this page concentrates on the individual hull where evidence is available.
Sources and further reading
- Minesweepers Built in Canada In and Before WWII ↗ShipbuildingHistory.com · accessed 2026-09-19
- Ships’ histories ↗Royal Canadian Navy · accessed 2026-09-19
- Argonauta, Vol. 6 No. 3 (July 1989) — Canadian magnetic minesweeping and the 105-foot type ↗Canadian Nautical Research Society / Library and Archives Canada · accessed 2026-09-19
- Llewellyn-class minesweeper ↗Wikipedia · accessed 2026-09-19
- Conway's All the World's Fighting Ships, 1922–1946Conway Maritime Press