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John O'Connor

1824 – 1887

Canadian politician

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About John O'Connor

Lived 1824 – 1887 (aged 63). John O'Connor was a Canadian politician, judge and lawyer.

John O'Connor (January 1, 1824 – November 3, 1887) was a Canadian politician and cabinet minister.

Born in Boston, Massachusetts, the son of Irish immigrants John and Mary O’Connor, he moved with his family to Essex County, Upper Canada in 1828.

A lawyer by training, he was elected to the 7th Parliament of the Province of Canada in 1863. In 1867, he was elected to the 1st Canadian Parliament representing the riding of Essex. He was re-elected to the 2nd Canadian Parliament but was defeated in the 1874 federal election. In the period of 1872 to 1873, he was President of the Privy Council, Minister of Inland Revenue, and Postmaster General.

He was re-elected again in the 1878 federal election for the riding of Russell. From 1878 to 1880, he again was the President of the Privy Council. As well he was the Postmaster General in 1880 and from 1881 to 1882. From 1880 to 1881, he was the Secretary of State of Canada.

In 1884, he was appointed a judge of the Court of Queen’s Bench for Ontario.

Electoral history Conservative John O'Connor

Unknown Ira Morgan

Conservative John O'Connor

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Important facts

Birth century
Nationality
Positions held
Member of the Legislative Assembly of the Province of Canada, Member of the House of Commons of Canada
Also known as
John Oconnor

People in John O'Connor's life

Named in this biography and alive at the same time

Contemporaries

People whose lives overlapped John O'Connor's

Frequently asked questions

Who was John O'Connor?

Canadian politician

When was John O'Connor born?

John O'Connor was born on 1 January 1824 in Boston.

When did John O'Connor die?

John O'Connor died on 3 November 1887 in Cobourg.

What was John O'Connor's occupation?

John O'Connor was a politician, judge and lawyer.

What nationality was John O'Connor?

John O'Connor was Canadian.

Sources & further reading

· Wikipedia: John O'Connor

· Wikidata: Q6250809

· DBpedia: John O'Connor (Canadian politician)

Cite this page

APA: Biography.guide. (2026). John O'Connor. https://biography.guide/john-o-connor-politician/

MLA: "John O'Connor." Biography.guide, https://biography.guide/john-o-connor-politician/.

Chicago: "John O'Connor." Biography.guide. https://biography.guide/john-o-connor-politician/.

Data last updated: 2026-09-23 · Spot an error? Report a correction.

Portrait: Wikimedia Commons · author & licence

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