Losses in WW1

St. Magnus was a 957 GRT steam passenger/cargo ship completed in 1912 by Ramage & Ferguson Ltd. for North of Scotland, Orkney & Shetland Steam Navigation Co. She was sunk on 12 February 1918 by torpedo fired by German submarine UC-58 at position 57° 32' N, 01° 44' W - approximately 3 nautical miles North-North-East of Peterhead. She was en route from Lerwick to Aberdeen carrying passengeres, mail and a general cargo.

St. Margaret was a 943 GRT steam passenger/cargo ship completed in 1913 by Ramage & Ferguson Ltd. for North of Scotland & Orkney & Shetland Steam Navigation Co. and managed by zzz & Co. She was sunk on 12 September 1917 by torpedo fired by German submarine U-103 approximately 30 nautical miles South-East of Lilie Dimon Island, Faeroe Islands. She was en route from Leith to Reykjavik with a general cargo.

St. Olaf was a 762 GRT cargo ship completed in 1901 by Framnaes of Sandefjord, Norway for D/S A/S St.Olaf but in use by the British Government at the time of her loss. She went missing after sailing for Honfleur from Cardiff on 15 December 1917 with a cargo of coal.

There were no survivors

Staithes was a 300 GRT steam cargo ship completed in 1883 by Palmer's Shipbuilding & Iron Co. Ltd. for D. Baxter & Co. She was sunk on 21 September 1918 by torpedo fired by German submarine UB-115 approximately 1.5 nautical mkiles South-East by South of Sunderland. She was en route from Port Mulgrave to the Tyne with a cargo of iron ore.

Stanhope was a 2,828 GRT steam cargo ship completed in 1900 by Ropner & Son for English Steamship Co. Ltd. and managed by Letricheux & David Ltd. She was sunk on 17 June 1917 by torpedo fired by German submarine UB-31 at position 50° 08' N, 03° 45' W - approximately 7 nautical miles South-West by West of Start Point. She was en route from Barrow to Dunkirk with a cargo of rails.

Stanley was a 3,987 GRT steam cargo ship completed in 1914 by Irvine's Shipbuilding & Dockyard Co. Ltd. for Pyman Steamship Co. Ltd. and managed by G. Pyman & Co. She was sunk on 21 March 1917 by torpedo fired by German submarine U-24 at position 50° 50' N, 16° 00' W. She was en route from Newport News to Cherbourg with a cargo of oats and iron.

Sten was a 945 GRT compound-engined cargo ship completed in 1883 by Pearce Bros for C. O. Fawcusand as Juana Nancy. From 1917 she was in the hands of the United Kingdow Shipping Controller and managed by S. Marshall & Co. She was sunk on 18 October 1917 by torpedo fired by German submarine UC-64 at position 50° 19' N, 05° 26' W. She was en route from Barry to St. Malo with a cargo of coal.

Stirling was a 165 GRT steam trawler completed in 1898 by Mackie & Thomson for Hagerup, Doughty & Co. Ltd. and registered at Grimsby as GY.765. She was reported missing on 25 February 1915 and not seen again.

There were no survivors

Storm was a 463 GRT compound-engined cargo ship completed in 1875 by Goole Engineering & Shipbuilding Co. for Thomas Owston as Rosa. From 1916 she was owned by Bird's Shipping Co. Ltd. and renamed Storm. She was sunk on 9 September 1917 by a torpedo fired by a German seaplane approximately 1 nautical mile South-East of the Sunk Light Vessel. She was en route from Newcastle to Dunkirk with a cargo of coke.

Strathcona was a 1,881 GRT steam cargo ship completed in 1900 by Caledon Shipbuilding & Engineering Co. Ltd. for Hamilton & Fort William Navigation Co. Ltd. From 1914 she was owned by Canada Steamship Lines Ltd. She was captured on 13 April 1917 by German submarine U-78 at position 59° 35' N, 05° 49' W and sunk by explosive charges. She was en route from the Tyne to Marseilles with a cargo of coal.

Strathnairn was a 4,336 GRT steam cargo ship completed in 1906 by A. Rodger & Co. for Strathnairn Steamship Co. Ltd. and managed by Burrell & Son. She was sunk on 15 June 1915 by torpedo fired by German submarine U-22 at position 50° 16' N, 06° 37' W - approximately 2 nautical miles West of Ramsey Island. She was en route from Penarth to Archangel with a cargo of coal.