Edmond Rollo Mainguy OBE, RCN
| Born | 11 May 1901 | Victoria, British Columbia, Canada | |
| Died | 29 Apr 1979 | (77) | Nanaimo, British Columbia, Canada |
| Ranks
Retired: 1 Jan 1956 Decorations
|
Warship Commands listed for Edmond Rollo Mainguy, RCN
| Ship | Rank | Type | From | To |
| HMCS Assiniboine (I 18) | Cdr. | Destroyer | 10 Sep 1939 | 2 Apr 1940 |
| HMCS Ottawa (i) (H 60) | Cdr. | Destroyer | 2 Apr 1940 | 20 Jul 1941 |
| HMS Uganda (66) | Capt. | Light cruiser | 15 Aug 1944 | 21 Oct 1944 |
| HMCS Uganda (66) | Capt. | Light Cruiser | 21 Oct 1944 | 4 Jul 1946 |
Career information
We currently have no career / biographical information on this officer.
Events related to this officer
Destroyer HMCS Assiniboine (I 18)
26 Mar 1940 (position 0.00, 0.00)
HMCS Assiniboine (Cdr. E. Mainguy, RCN) is docked in the floating dock at Bermuda for repairs to her Asdic dome. (1)
29 Mar 1940 (position 0.00, 0.00)
HMCS Assiniboine (Cdr. E. Mainguy, RCN) is undocked and then departed Bermuda for Halifax. (1)
Destroyer HMCS Ottawa (i) (H 60)
13 Jun 1940 (position 0.00, 0.00)
HMCS Ottawa (Cdr. E.R. Mainguy, RCN) departed Halifax to patrol in the Nantucket area. (1)
18 Jun 1940 (position 0.00, 0.00)
HMCS Ottawa (Cdr. E.R. Mainguy, RCN) returned to Halifax from patrol. (1)
25 Sep 1940
HMCS Ottawa (Cdr. E.R. Mainguy, RCN) picks up 56 survivors from the British merchant Sulairia that was torpedoed and sunk by German U-boat U-43 356 nautical miles west of Achill Head in position 53°43'N, 20°10'W.
HMCS Ottawa also picks up 64 survivors from the British merchant Eurymedon that was torpedoed and sunk by German U-boat U-29 366 nautical miles west of Achill Head in position 53°34'N, 20°23'W.
23 Nov 1940
The Dutch merchant Bussum is torpedoed and sunk of the north-west coast of Ireland in position 55°39'N, 08°58'W by German U-boat U-100. HMCS Ottawa (Cdr. E.R. Mainguy, RCN) picks up 29 survivors.
Light cruiser HMS Uganda (66)
11 Oct 1944 (position 0.00, 0.00)
HMS Uganda (Capt. E.R. Mainguy, OBE, RCN) conducted D/G and compass swing trials off Charleston. (2)
14 Oct 1944 (position 0.00, 0.00)
From 14 to 16 October HMS Uganda (Capt. E.R. Mainguy, OBE, RCN) conducted post-repair trials off Charleston. (2)
17 Oct 1944 (position 0.00, 0.00)
HMS Uganda (Capt. E.R. Mainguy, OBE, RCN) is docked in No.2 Dock at the Charleston Navy Yard. (2)
18 Oct 1944 (position 0.00, 0.00)
HMS Uganda (Capt. E.R. Mainguy, OBE, RCN) is undocked. She departed Charleston for trials later the same day. (2)
20 Oct 1944 (position 0.00, 0.00)
HMS Uganda (Capt. E.R. Mainguy, OBE, RCN) returned to Charleston from trials. (2)
Light Cruiser HMCS Uganda (66)
21 Oct 1944
At the Charleston Navy Yard HMS Uganda (Capt. E.R. Mainguy, OBE, RCN) is decommissioned as a Royal Navy ship and commissioned as Royal Canadian Navy ship HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN). (2)
Light cruiser HMS Uganda (66)
21 Oct 1944 (position 0.00, 0.00)
At the Charleston Navy Yard HMS Uganda (Capt. E.R. Mainguy, OBE, RCN) is decommissioned as a Royal Navy ship and commissioned as a Royal Canadian Navy ship. (2)
Light Cruiser HMCS Uganda (66)
24 Oct 1944
Around 0930Q/24, HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) departed Charleston, South Carolina, USA for Halifax, Nova Scotia. On departure she ran over the D/G range. (2)
26 Oct 1944
Around 0900Q/26, HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) arrived at Halifax from Charleston. (2)
30 Oct 1944
Around 0930P/30, HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN), departed Halifax for Scapa Flow. (2)
4 Nov 1944 (position 0.00, 0.00)
Around 1330A/4, HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN), arrived at Scapa Flow from Halifax. (2)
5 Nov 1944 (position 0.00, 0.00)
Around 1800A/5, HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN), departed Scapa Flow for Newcastle-on-Tyne. (2)
6 Nov 1944
Around 0900A/6, HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN), arrived at Newcastle-on-Tyne from Scapa Flow. At Newcastle-on-Tyne is to be taken in hand at the Palmers Shipyard for some outstanding work to complete her repairs / refit which had not been possible in the USA. (2)
24 Nov 1944 (position 0.00, 0.00)
HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) is docked at Newcastle-on-Tyne. (2)
7 Dec 1944 (position 0.00, 0.00)
HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) is undocked. (2)
12 Dec 1944 (position 0.00, 0.00)
Around 0930A/12, HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) departed Newcastle-on-Tyne for the Firth of Forth where she arrived around 1645A/12. (2)
13 Dec 1944 (position 0.00, 0.00)
HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) proceeded to the Rosyth Dockyard. (2)
14 Dec 1944
Around 1300A/14, HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) departed the Rosyth Dockyard for Scapa Flow where she arrived shortly before midnight. (2)
19 Dec 1944 (position 0.00, 0.00)
During the morning, HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) conducted underway refuelling exercises at Scapa Flow during which the destroyer HMS Carron (Lt.Cdr. J.V. Wilkinson, DSC, RN) was fuelled.
In the afternoon HMCS Uganda conducted torpedo firing exercises at Scapa Flow. (2)
22 Dec 1944 (position 0.00, 0.00)
HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) conducted torpedo firing and gunnery exercises at Scapa Flow. (2)
26 Dec 1944 (position 0.00, 0.00)
HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) conducted torpedo firing and gunnery exercises at Scapa Flow. (2)
28 Dec 1944 (position 0.00, 0.00)
HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) conducted torpedo firing exercises at Scapa Flow. She also ran over the D/G range and conducted speed trials on the measured mile. (2)
29 Dec 1944 (position 0.00, 0.00)
HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) conducted gunnery exercises off Scapa Flow. (2)
31 Dec 1944 (position 0.00, 0.00)
Around 1500A/31, HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) departed Scapa Flow for Greenock. She is to proceed to the Mediterranean to continue her work-up programme there. Following work-up she is to join the British Pacific Fleet. (2)
1 Jan 1945
Around 0855A/1, HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) arrived at Greenock from Scapa Flow.
Around 2115A/1, she departed Greenock for Gibraltar. (2)
5 Jan 1945
Around 0730A/5, HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) arrived at Gibraltar from Greenock.
Around 1900A/5, she departed Gibraltar for Malta. (2)
7 Jan 1945 (position 0.00, 0.00)
Around 1700A/7, HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) arrived at Malta from Gibraltar. (2)
8 Jan 1945 (position 0.00, 0.00)
Around 1640A/8, HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) departed Malta for Alexandria. (2)
10 Jan 1945 (position 0.00, 0.00)
Around 1700B/10, HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) arrived at Alexandria from Malta. (2)
12 Jan 1945 (position 0.00, 0.00)
HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) conducted D/G trials at Alexandria. (2)
15 Jan 1945 (position 0.00, 0.00)
HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) conducted D/G trials at Alexandria. (2)
17 Jan 1945 (position 0.00, 0.00)
HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) conducted exercises off Alexandria. These included RIX (range and inclination) and night encounter exercises with HMS Newfoundland (Capt. R.W. Ravenhill, CBE, DSC, RN). (2)
22 Jan 1945 (position 0.00, 0.00)
HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) conducted exercises off Alexandria with MTB's. She also conducted HA gunnery exercises and exercises with aircraft. (2)
23 Jan 1945 (position 0.00, 0.00)
During 23/24 January 1945, HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) conducted gunnery exercises off Alexandria. These were followed by RIX (rangefinding and inclination) exercises with HMS Newfoundland (Capt. R.W. Ravenhill, CBE, DSC, RN).
During the night tracking exercises were carried out with HMS Newfoundland.
The following morning, 4" HA gunnery exercises were carried out following which HMCS Uganda returned to Alexandria. (2)
25 Jan 1945 (position 0.00, 0.00)
In the morning, HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN), conducted exercises with aircraft off Alexandria. HMS Newfoundland (Capt. R.W. Ravenhill, CBE, DSC, RN) later also joined for aircraft repelling exercises.
In the afternoon HMCS Uganda conducted torpedo firing exercises. (2)
26 Jan 1945 (position 0.00, 0.00)
HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) conducted exercises off Alexandria. These included torpedo firing, 4" HA and 6" HA gunnery exercises. (2)
29 Jan 1945 (position 0.00, 0.00)
HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) conducted gunnery exercises off Alexandria. (2)
30 Jan 1945 (position 0.00, 0.00)
HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) was to conduct gunnery exercises off Alexandria but these were cancelled.
During the night of 30/31 January 1945, night exercises were carried out with HMS Arethusa (Capt. H. Dalrymple-Smith, RN). (2)
5 Feb 1945 (position 0.00, 0.00)
From 5 to 7 February 1945, HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) conducted bombardment exercises off Ras El-Kanayis near Mersa Matruh. (2)
12 Feb 1945 (position 0.00, 0.00)
In the morning, HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) conducted bombardment exercises off Alexandria. (2)
13 Feb 1945 (position 0.00, 0.00)
Around 1800B/13, HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) departed Alexandria for Aden. (2)
14 Feb 1945 (position 0.00, 0.00)
HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) transited the Suez Canal southbound. (2)
17 Feb 1945 (position 0.00, 0.00)
Around 0730C/17, HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) arrived at Aden from Alexandria. She departed for Colombo around 1745C/17. (2)
22 Feb 1945 (position 0.00, 0.00)
Around 0945FG/22, HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) arrived at Colombo from Aden. (2)
24 Feb 1945 (position 0.00, 0.00)
Around 1045FG/24, HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) departed Colombo for Fremantle. On departure 4" HA gunnery exercises were carried out. (2)
28 Feb 1945 (position 0.00, 0.00)
HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) made a short stop at Cocos Island to disembark some troops and supplies. (2)
4 Mar 1945 (position 0.00, 0.00)
Around 1445H/4, HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) arrived Fremantle from Colombo. (2)
5 Mar 1945 (position 0.00, 0.00)
Around 1200H/5, HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) departed Fremantle for Sydney. (2)
10 Mar 1945 (position 0.00, 0.00)
Around 0945K/10, HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) arrived at Sydney from Fremantle. She now joined the British Pacific Fleet. (2)
24 Mar 1945
The aircraft carrier HMS Formidable (Capt. P. Ruck-Keene, CBE, RN), light cruiser HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) and the destroyers HMS Ursa (Cdr. D.B. Wyburd, DSC, RN) and HMS Urchin (Lt.Cdr. A.F. Harkness, DSC, OBE, RD, RNR) departed Sydney for Manus.
HMS Formidable and HMS Urchin had already been at sea for exercises and were then joined for the passage by the other two ships. (3)
30 Mar 1945 (position 0.00, 0.00)
The aircraft carrier HMS Formidable (Capt. P. Ruck-Keene, CBE, RN), light cruiser HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) and the destroyers HMS Ursa (Cdr. D.B. Wyburd, DSC, RN) and HMS Urchin (Lt.Cdr. A.F. Harkness, DSC, OBE, RD, RNR) arrived at Manus from Sydney. (3)
31 Mar 1945 (position 0.00, 0.00)
The aircraft carrier HMS Formidable (Capt. P. Ruck-Keene, CBE, RN), light cruiser HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) and the destroyers HMS Ursa (Cdr. D.B. Wyburd, DSC, RN) and HMS Urchin (Lt.Cdr. A.F. Harkness, DSC, OBE, RD, RNR) departed Manus for Leyte. (3)
4 Apr 1945 (position 0.00, 0.00)
The aircraft carrier HMS Formidable (Capt. P. Ruck-Keene, CBE, RN), light cruiser HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) and the destroyers HMS Ursa (Cdr. D.B. Wyburd, DSC, RN) and HMS Urchin (Lt.Cdr. A.F. Harkness, DSC, OBE, RD, RNR) arrived at Leyte from Manus. (3)
6 Apr 1945 (position 0.00, 0.00)
Around 1345I/6, the light cruiser HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) and the destroyers HMS Ursa (Cdr. D.B. Wyburd, DSC, RN) and HMS Urchin (Lt.Cdr. A.F. Harkness, DSC, OBE, RD, RNR) departed Leyte to join the British Pacific Fleet at sea which they did around 0700I/8.
[For more info on subsequent events see the event ' The British Pacific Fleet during Operation Iceberg, the landings on Okinawa (1st phase) ' for 23 March 1945.] (2)
23 Apr 1945 (position 0.00, 0.00)
Around 0900I/23, HMS Euryalus (Capt. R. Oliver-Bellasis, RN, flying the flag of Rear-Admiral J.H. Edelsten, CB, CBE, RN), HMNZS Gambia (Capt. N.J.W. William-Powlett, DSC, RN) and HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) arrived at Leyte from operations. (4)
7 Jun 1945 (position 0.00, 0.00)
HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) conducted underway replenishment exercises off Manus with the ammunition ship Robert Maersk (2290 GRT, built 1937). (2)
22 Jun 1945 (position 0.00, 0.00)
HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) conducted exercises off Manus. (2)
31 Jul 1945 (position 0.00, 0.00)
Around 0900K/31, HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) arrived at Eniwetok from operations. After fuelling she departed for Pearl Harbour around 1530K/31. (2)
4 Aug 1945
Around 1430V/4, HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) arrived at Pearl Harbour from Eniwetok. After fuelling she departed for Esquimalt around 1945V/4. (5)
10 Aug 1945 (position 0.00, 0.00)
Around 1000T/10, HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) arrived at Esquimalt from Pearl Harbour. (5)
14 Aug 1945 (position 0.00, 0.00)
HMCS Uganda (Capt. E.R. Mainguy, OBE, RCN) is fumigated at Esquimalt. The crew was able to board the ship again on 17 August 1945 and she was then taken in hand for refit. (5)
Sources
- ADM 199/367
- Reference: RG24-D-2, Volume number: 7964, Item ID number:1085022 (Library and Archives Canada (LAC))
- ADM 53/121380 + Reference: RG24-D-2, Volume number: 7964, Item ID number:1085022 (Library and Archives Canada (LAC))
- ADM 53/121357 + File R20028882 (New Zealand Archives, Wellington) + Reference: RG24-D-2, Volume number: 7964, Item ID number:1085022 (Library and Archives Canada (LAC))
- ADM 199/122418
ADM numbers indicate documents at the British National Archives at Kew, London.
You can help improve officers Edmond Rollo Mainguy's page
Click here to Submit events/comments/updates for this officer.
Please use this if you spot mistakes or want to improve his page.