Career
He represented Bruce South in the Legislative Assembly of Ontario as a Conservative member from 1914 to 1919. He was born in Nassagaweya Township, Canada West, the son of Henry Cargill, and educated in Galt and Guelph. He was president of Cargill Limited. and the Dominion Well Supply Company
In 1913, he ran unsuccessfully for a seat in the federal parliament.
Much of the white pine had been removed from the Greenock Swamp by the time that Cargill took over his father"s lumber business. He built a rail line to allow a small train to haul timber out of the swamp.
However, the track kept sinking into the swamp and the business soon foundered. He died at Walkerton in 1942.