{{Short description|Canadian Navy admiral (1901–1979)}} {{Infobox military person | name = Edmond Rollo Mainguy | honorific_suffix = {{postnominals|country=GBR|size=100|sep=,|OBE|CD}} | image = Rollo Mainguy.jpeg | image_size = | alt = | caption = Commander Mainguy in {{HMCS|Ottawa|H60|6}} off Botwood, Newfoundland, on 22 June 1940 | nickname = | birth_date = {{Birth date|1901|05|01}} | birth_place = Victoria, British Columbia | death_date = {{Death date and age|1979|04|29|1901|05|01}} | death_place = Nanaimo, British Columbia | burial_place = | allegiance = Canada | branch = Royal Canadian Navy | service_years = 1915–1956 | rank = Vice-Admiral | service_number = | unit = | commands = Chief of the Naval Staff<br/>{{HMCS|Assiniboine|I18|6}}<br/>{{HMCS|Ottawa|H60|6}}<br/>HMCS ''Uganda'' | battles = Second World War<br/>Battle of the Atlantic<br/>Battle of Okinawa | awards = Officer of the Order of the British Empire<br/>Canadian Forces' Decoration<br/>Mentioned in Despatches<br/>Officer of the Legion of Merit (United States) | relations = | other_work = }} Vice-Admiral '''Edmond Rollo Mainguy''', {{postnominals|country=GBR|size=100|sep=,|OBE|CD}} (11 May 1901 – 29 April 1979) was a senior officer in the Royal Canadian Navy.
==Naval career== Mainguy was born in Victoria, British Columbia, on 11 May 1901. He attended the Royal Naval College of Canada in 1915 during the First World War.<ref name=rcn>[http://www.rcnvr.com/M%20-%20RCN%20-%20WW2.php Awards to the Royal Canadian Navy]</ref>
Following the outbreak of the Second World War, Mainguy took command of {{HMCS|Assiniboine|I18|6}} and then {{HMCS|Ottawa|H60|6}} before being promoted to captain and taking overall command of Royal Canadian Navy (RCN) destroyers in Halifax in 1941. In 1942 he was appointed acting commodore and took command of RCN destroyers in Newfoundland, quickly followed by an appointment to Ottawa as Chief of Naval Personnel.<ref name="rcn" /> He returned to active duty as the commanding officer of {{HMCS|Uganda|C66|6}} in 1944. As a part of British Pacific Fleet, ''Uganda'' took part in the Okinawa campaign.<ref name="rcn" /><ref>[http://www.navalandmilitarymuseum.org/resource_pages/controversies/uganda_episode.html The ''Uganda'' Episode] {{webarchive|url=https://web.archive.org/web/20110315051700/http://www.navalandmilitarymuseum.org/resource_pages/controversies/uganda_episode.html |date=2011-03-15 }}</ref>
In the post-war years Mainguy was appointed Flag Officer Pacific Coast in 1946, Flag Officer Atlantic Coast in 1948, and was the head of the commission that investigated the RCN insubordination incidents of 1949 before becoming Chief of the Naval Staff in 1951.<ref name=rcn/>
Mainguy retired from the Royal Canadian Navy in 1956 as a vice-admiral.<ref name=rcn/> In retirement he was president of Great Lakes Shipping until 1965.<ref name=":0" /> He died in 1979.<ref name=":0">[https://web.archive.org/web/20050521131533/http://www.thecanadianencyclopedia.com/index.cfm?PgNm=TCE&Params=A1ARTA0005041 Article in Canadian Encyclopedia]</ref>
==Family== Mainguy married Maraquita Nichol, daughter of Walter Cameron Nichol, in 1927. Their son, Daniel Mainguy, later also reached the rank of vice-admiral, serving as Vice Chief of the Defence Staff from 1983 to 1985.
==References== {{reflist}}
==External links== *[http://www.cadets.ca/lhq/100sea/content-contenu.aspx?id=27885 VAdm Mainguy Curriculum Vitae – 100 RCSCC Admiral Mainguy] *[http://www.navalandmilitarymuseum.org/resource_pages/controversies/controversies_intro.html#TitleBar RCN Mutinies and the Mainguy Report]
{{s-start}} {{s-mil}} {{succession box|title=Chief of the Naval Staff|before=Harold Grant|after=Harry DeWolf|years=1951–1956}} {{s-end}}
{{Commander of the Royal Canadian Navy}}
{{DEFAULTSORT:Mainguy, Rollo}} Category:1979 deaths Category:1901 births Category:Military personnel from Victoria, British Columbia Category:Royal Canadian Navy officers Category:Royal Canadian Navy personnel of World War II Category:Canadian admirals Category:Canadian Officers of the Order of the British Empire Category:Commanders of the Royal Canadian Navy