About John O'Brien
Lived 1918 – 1996 (aged 77). John O'Brien was a Canadian naval officer.
Vice Admiral John Charles O'Brien OC, CD (16 December 1918 – 24 March 1996) was a Canadian Forces officer who served as Commander Maritime Command from 19 July 1966 to 6 July 1970.
Career O'Brien joined the Royal Canadian Navy in 1935. He was in action off Norway in 1939, commanded a small boat at the Dunkirk evacuation in 1940, served as a Signals Officer for the Allied invasion of Sicily in 1943 during the Second World War.
Awards and decorations Obrien's personal awards and decorations include the following:
WWII 1939-1945 Special Service Medal with NATO-OTAN Clasp
2nd Class / Grand Officer level Italian award
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Important facts
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Frequently asked questions
Who was John O'Brien?
admiral of the Maritime Command of the Canadian Armed Forces
When was John O'Brien born?
John O'Brien was born on 16 December 1918 in Hove.
When did John O'Brien die?
John O'Brien died on 24 March 1996 in Ottawa.
What was John O'Brien's occupation?
John O'Brien was a naval officer.
What nationality was John O'Brien?
John O'Brien was Canadian.
Sources & further reading
· DBpedia: John O'Brien (admiral)
Cite this page
APA: Biography.guide. (2026). John O'Brien. https://biography.guide/john-o-brien-naval-officer/
MLA: "John O'Brien." Biography.guide, https://biography.guide/john-o-brien-naval-officer/.
Chicago: "John O'Brien." Biography.guide. https://biography.guide/john-o-brien-naval-officer/.
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