The steam tug 'Shamrock' was built during 1890 by E. Finch & Company at Chepstow which by the early 1880's employed 500 people. She was a steel hulled screw tug, 85 feet long x 17'- 6" breath of 84 gross registered tons. She was fitted with a 500 ihp, twin cylinder, 18"x 34"x 24" stroke compound steam engine built at the Penarth Shipbuilding and Ship Repairing Co. Ltd. - Order No. 95193. In the same year she was delivered to D. McCallum of Cardiff and then had numerous owners until in 1931 she was sold to J. Davies Towage & Salvage Co. Ltd. of Cardiff. In 1947, she was sunk in the West Dock, Cardiff and scrapped by J. J. King. [000] [246]