Allied Warships

HMS Lady Rosemary (FY 253)

ASW Trawler

NavyThe Royal Navy
TypeASW Trawler
Class[No specific class] 
PennantFY 253 
Built byCook, Welton & Gemmill (Beverley, U.K.) 
Laid down 
Launched9 Aug 1937 
CommissionedJun 1940 
End serviceSep 1945 

Completed on 22 September 1937.
Taken over by the Admiralty on 28 May 1940.
Displacement: 472 tons.
Armament: 1 4" gun.

HMS Lady Rosemary was lent to the United States Navy in March 1942 along with her crew to operate on the US East coast under USN control. She was returned to RN control in October 1942 and went to the South Atlantic. From 3 untill 6 March 1943 she was docked in the Selborne dry dock at Simonstown, South Africa for routine maintenance. She was involved in escort duties for the convoys proceeding around the Cape of Good Hope In September 1945 September she returned to the UK and was laid up. In May 1946 she was sold into commercial use and renamed and was renamed Kingston Ruby in 1946. Kingston Ruby was scrapped at Ghent, Belgium on 20 March 1963.


Commands listed for HMS Lady Rosemary (FY 253)

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and that we only list Commanding Officers for the duration of the Second World War.

1T/Skr. Robert James McCullogh, RNR7 Jun 19402 Nov 1940
2T/Lt. George Henry Oldridge, RNR2 Nov 19404 Feb 1941
3T/Lt. Henry Brown, RNR4 Feb 1941Aug 1943
4T/Lt. Geoffrey John Younghusband Thorpe, RNVRAug 19435 Jun 1944
5T/Lt. Thomas Toft, SANF(V)5 Jun 194430 Sep 1944
6T/Lt. James Leonard Warwick, RNVR30 Sep 1944

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Notable events involving Lady Rosemary include:

18 Dec 1940
HrMs O 9 (Lt. H.A.W. Goossens, RNN) participated in A/S exercises off Tobermory with HMS Marguerite (Lt.Cdr. A.N. Blundell, RNR) and HMS Lady Rosemary (T/Lt. G.H. Oldridge, RNR). (1)

19 Dec 1940
HrMs O 14 (Lt.Cdr. H. Tichelman, RNN) conducted A/S exercises off Tobermory with the A/P trawler Duchesse de Brabant and HMS Lady Rosemary (T/Lt. G.H. Oldridge, RNR). (2)

20 May 1941
HMS Sturgeon (Lt.Cdr. D. St. Clair-Ford, RN) conducted A/S exercises off Dartmouth with two ML's and later she also conducted gunnery exercises on a target that was being towed by HMS Lady Rosemary (T/Lt. H. Brown, RNR). (3)


  1. File (Dutch Archives, The Hague, Netherlands)
  2. File (Dutch Archives, The Hague, Netherlands)
  3. ADM 173/16994

ADM numbers indicate documents at the British National Archives at Kew, London.

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