About Cornelius O'Brien
Lived 1782 – 1857 (aged 74–75). Cornelius O'Brien was a politician.
Cornelius O'Brien (1782–1857) was an Irish politician, Member of Parliament and landowner in County Clare.
He was the son of Henry O'Brien from Ennis and his wife Helen (née O'Callaghan). Born at the O'Brien residence at Birchfield House in Beaghy townland of Kilmacrehy parish, now demolished and replaced by a farm house. It was a house designed in the exotic "Moorish" or "Foreign Legion" style.
The O'Brien Monument, a Doric column topped by an urn, was built during his lifetime, paid for by compulsory subscriptions of his tenants.
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Important facts
People in Cornelius O'Brien's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Cornelius O'Brien's
Frequently asked questions
Who was Cornelius O'Brien?
British politician
When was Cornelius O'Brien born?
Cornelius O'Brien was born in 1782.
When did Cornelius O'Brien die?
Cornelius O'Brien died on 30 May 1857.
What was Cornelius O'Brien's occupation?
Cornelius O'Brien was a politician.
Sources & further reading
· Wikipedia: Cornelius O'Brien
· DBpedia: Cornelius O'Brien (County Clare)
Cite this page
APA: Biography.guide. (2026). Cornelius O'Brien. https://biography.guide/cornelius-o-brien/
MLA: "Cornelius O'Brien." Biography.guide, https://biography.guide/cornelius-o-brien/.
Chicago: "Cornelius O'Brien." Biography.guide. https://biography.guide/cornelius-o-brien/.
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