About John C. O'Sullivan
Born 1841. John C. O'Sullivan was a Canadian politician.
John C. O'Sullivan (1843–1887) was a physician and politician in Ontario, Canada. He represented Peterborough East in the Legislative Assembly of Ontario from 1875 to 1879 as a Conservative.
He was born in Northumberland County, Canada West, of Irish descent, and was educated at Victoria University and Queen's University. In 1871, O'Sullivan married Margaret Flanagan. His election in 1875 was appealed but he won the by-election that followed later that year. In 1885, he was named president of the Irish National League branch in Peterborough.
Electoral history
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Important facts
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Frequently asked questions
Who was John C. O'Sullivan?
Canadian politician
When was John C. O'Sullivan born?
John C. O'Sullivan was born in 1841 in Northumberland County.
What was John C. O'Sullivan's occupation?
John C. O'Sullivan was a politician.
What nationality was John C. O'Sullivan?
John C. O'Sullivan was Canadian.
Sources & further reading
· Wikipedia: John C. O'Sullivan
Cite this page
APA: Biography.guide. (2026). John C. O'Sullivan. https://biography.guide/john-c-o-sullivan/
MLA: "John C. O'Sullivan." Biography.guide, https://biography.guide/john-c-o-sullivan/.
Chicago: "John C. O'Sullivan." Biography.guide. https://biography.guide/john-c-o-sullivan/.
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