About William O'Brien
Lived 1782 – 1851 (aged 69). William O'Brien was a Canadian politician.
William O'Brien (June 25, 1782 – September 23, 1851) was a political figure in Nova Scotia. He represented Hants County from 1820 to 1826 and from 1834 to 1836 in the Nova Scotia House of Assembly.
He was born in Noel, Nova Scotia, the son of Isaac O'Brien and Mary Denny. In 1807, he married Jane F. Johnson. In 1809, he married Ann Putnam. He died in Noel at the age of 69.
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Important facts
Related people
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Contemporaries
People whose lives overlapped William O'Brien's
Frequently asked questions
Who was William O'Brien?
Canadian political figure in Nova Scotia (1782-1851)
When was William O'Brien born?
William O'Brien was born on 25 June 1782.
When did William O'Brien die?
William O'Brien died on 23 September 1851.
What was William O'Brien's occupation?
William O'Brien was a politician.
What nationality was William O'Brien?
William O'Brien was Canadian.
Sources & further reading
· DBpedia: William O'Brien (Nova Scotia politician)
Cite this page
APA: Biography.guide. (2026). William O'Brien. https://biography.guide/william-o-brien-politician-1782/
MLA: "William O'Brien." Biography.guide, https://biography.guide/william-o-brien-politician-1782/.
Chicago: "William O'Brien." Biography.guide. https://biography.guide/william-o-brien-politician-1782/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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