He was a captain in the Royal Canadian Army Service Corps (RCASC) in 1918, the final year of World War I, and a member of the Royal Canadian Legion.
[2] He was elected to the Manitoba legislature in the 1953 provincial election,[1] defeating opponents from the Progressive Conservative Party and Social Credit League in the rural constituency of Cypress.
At his nomination speech, Ferg spoke out in favour of the Canadian wheat board and against the liberalization of Manitoba's liquor laws.
[citation needed] He served as a backbench supporter of Douglas Campbell's government, and did not run for re-election in 1958.
[2] Two of his sons, Lorne Paterson and Patrick David, also became lawyers and both later became county court judges.