RMS Duke of Argyll was an Irish Sea ferry that operated from 1928 to 1956. William Denny and Brothers of Dumbarton on the Firth of Clyde built her for the London Midland and Scottish Railway. When the LMS was nationalised in 1948 she passed to the British Transport Commission.
The LMS ordered Duke of Argyll and two sister ships, and, for its passenger ferry route between Heysham and Belfast. William Denny and Brothers of Dumbarton built her, completing her in April 1928.
In the Second World War Duke of Argyll became Hospital Ship 65. She assisted the Dunkirk evacuation (Operation Dynamo) in May 1940 and then the evacuation from Cherbourg the following month (Operation Aerial).[1]
In 1956 the BTC replaced Duke of Argyll with TSS Duke of Argyll