He represented Bengough from 1966 to 1971 in the Legislative Assembly of Saskatchewan as a Liberal.
He was born on the family farm in Cardross, Saskatchewan and was educated there and in Moose Jaw.
In 1935, Mitchell married Mary Gall.
He earned a pilot's license and later purchased his own airplane; he was an active member of the Saskatchewan Flying Farmers Association.
Mitchell was first elected to the assembly in a 1966 by-election[1] held following the death of Samuel Asbell.