John Milton Platt

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For other people named John Platt, see John Platt.

John Milton Platt (April 18, 1840 – September 27, 1919) was a physician and political figure in Ontario, Canada. He represented Prince Edward in the House of Commons of Canada from 1882 to 1891 as a Liberal member.[1]

He was born in Athol Township, Upper Canada,[1] the son of Dyer Platt and Myria Morgan.[2] Platt was educated at the Fort Edward Institute in New York state and at Victoria University in Cobourg. In 1872, Platt married Amelia Brnnscombe.[3] He also served as a public school inspector and as surgeon for the militia. Platt was editor and publisher for the Picton New Nation.[4] His election in 1888 was overturned after an appeal but he won the by-election that followed. He was defeated by Archibald Campbell Miller when he ran for reelection in 1891.[1] Platt later served as warden for Kingston Penitentiary[5] from 1899 to 1913. He died in Picton at the age of 79.[2]


  1. ^ a b c John Milton Platt – Parliament of Canada biography
  2. ^ a b Johnson, J.K. (1968). The Canadian Directory of Parliament 1867-1967. Public Archives of Canada.
  3. ^ The Canadian parliamentary companion, 1889, AJ Gemmill
  4. ^ A Cyclopæedia of Canadian biography being chiefly men of the time ..., GM Rose (1886)
  5. ^ Canada's Big House: The Dark History of the Kingston Penitentiary, Peter H. Hennessy (ISBN 1550023306)]