SS Ellan Vannin (1854) SS Ellan Vannin (1854) SS (RMS) "Ellan Vannin" was an iron-built packet steamer which was operated out of Castletown, Isle of Man for the Castletown Steam Navigation Company (also referred to as the Castletown Steam Packet Company) to Liverpool and Whitehaven. Her name, Ellan Vannin, came from the Gaelic term by which the Isle of Man is known. "Ellan Vannin" was built by John Laird and Co. Ltd, Wallasey Pool, Birkenhead and was launched by Mrs. H. Houldsworth at 13:00hrs on Saturday 24 June 1854. Length 170'; beam 21' (exclusive of the paddle boxes) 39' overall. "Ellan Vannin" was powered
SS Ellan Vannin (1854) by two oscillating marine engines with tubular boilers, built by Messrs. Fawcett, Preston & Co. (similar to those installed in the "Countess of Ellesmere") which developed , driving two paddle wheels of 16' diameter which were fitted with feathered floats. The paddle floats were "feathered" so as to help to reduce vibration which could be common in early marine steam engines. She was divided into five water tight compartments had accommodation for 100 tons of cargo and a bunker capacity for 40 tons of coal. "Ellan Vannin" was said to be a remarkably handsome vessel, having a smart rakish appearance,