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Private Sidney Herbert Greenaway, Ch 13484, Royal Marines Light Infantry - H.M.S. Pathfinder
29/06/2025
First World War Navy United Kingdom CHATHAM NAVAL MEMORIAL
By Noonans Mayfair

United Kingdom

Private Sidney Herbert Greenaway
3049094
Killed in action when H.M.S. Pathfinder was torpedoed and sunk by the German submarine U-21 - the first ship to be sunk by a self-propelled torpedo fired by a submarine

CWGC thanks Noonans Mayfair Ltd for this story.

Sidney Herbert Greenaway was born in Rickmansworth, Hertfordshire, on 27 September 1882 and attested for the Royal Marines Light Infantry on 1 September 1902.

Drafted to the cruiser H.M.S. Pathfinder on 1 October 1913, Sidney was serving in her during the initial stages of the Great War and killed in action when she was torpedoed and sunk by the German U-boat U-21 off St. Abb’s Head in the Firth of Forth on 5 September 1914.  Pathfinder sank within four minutes with the loss of nearly all hands, including 18 Royal Marines - the first ship to be sunk by a self-propelled torpedo fired by a submarine.

Sidney is commemorated on the Chatham Naval Memorial.

Chatham Naval Memorial © CWGC.
Sidney Greenaway's 1914-15 Star, British War Medal and Victory Medal © Noonans Mayfair Ltd