He represented Redberry in the Legislative Assembly of Saskatchewan from 1921 to 1934 as an independent, then as a member of the Progressive Party and finally as a Liberal member.
He was born in London, Ontario, the son of George Cockburn and Margaret Hunter, both natives of Scotland, and was educated in London.
He served as reeve of the Rural Municipality of Great Bend No.
Cockburn lived in Borden, Saskatchewan.
This article about a Saskatchewan politician is a stub.