'HMY Kethailes (625 tons)
1903 Built as a Steam Yacht for William JOHNSTON of Liverpool by Richardson, Duck & Co., Thornaby-on-Tees, Durham, England - Yard Number #535, Launched 11 April 1903, Commissioned May 1903.Named 'KETHAILES' by owner William Johnston for his four daughters: Kathleen (oldest), ETHel, AILeen, EStele (youngest)On 24 September 1914 voluntarily handed over, with later financial compensation, to the (British) Royal Navy for use as an Armed Naval Auxiliary (also known as an 'Admiralty Armed Yacht') in the Yacht Patrol. Patrolled in the North Sea, then transferred to the Irish Sea.On 11 October 1917 Sunk in the Irish Sea in a Collision near the Blackwater Light Vessel, off Wexford on the south-easternmost tip of Ireland. At least 6 persons aboard H.M.Y. 'Kethailes' died. The wreck has subsequently been positively identified by modern deep water divers.