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.
He was born in Athol Township, Upper Canada, the son of Dyer Platt and Myria Morgan.[1] Platt was educated at the Fort Edward Institute in New York state and at Victoria University in Cobourg. In 1872, Platt married Amelia Branscombe.[2] He also served as a public school inspector and as surgeon for the militia. Platt was editor and publisher for the Picton New Nation.[3] 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. Platt later served as warden for Kingston Penitentiary[4] from 1899 to 1913. He died in Picton at the age of 79.[1]
By-election: On election being declared void:
|-|Liberal|John M. PLATT|align="right"| 2,198|Unknown|Robert CLAPP|align="right"| 1,971