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John O'Connor (Canadian politician)

John O'Connor
Member of the Canadian Parliament
for Essex
In office
Succeeded byWilliam McGregor
Member of the Canadian Parliament
for Russell
In office
Preceded byRobert Blackburn
Succeeded byMoss Kent Dickinson
Personal details
Born(1824-01-01)January 1, 1824
Boston, Massachusetts
DiedNovember 3, 1887(1887-11-03) (aged 63)
Cobourg, Ontario
Political partyConservative
CabinetPresident of the Privy Council
Minister of Inland Revenue
Postmaster General
Secretary of State of Canada

John O'Connor PC (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.

1878 Canadian federal election
Party Candidate Votes
  Conservative John O'Connor 1,612
  Unknown Ira Morgan 1,097

By-election: On Mr. O'Connor being appointed
President of the Privy Council, 4 November 1878
Party Candidate Votes
  Conservative John O'Connor acclaimed


  • John O'Connor – Parliament of Canada biography
  • "John O'Connor". Dictionary of Canadian Biography (online ed.). University of Toronto Press. 1979–2016.
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John O'Connor (Canadian politician)
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