Background
He was born in Derby Township, Ontario and became a farmer.
He was born in Derby Township, Ontario and became a farmer.
Porteous attended school at Owen Sound Collegiate and Vocational Institute, then college.
He was elected to Parliament at the Grey North riding in the 1930 general election, defeating incumbent Liberal member William Pattison Telford, Junior. After serving one term, he was defeated by Telford in the 1935 election.
In 1929 and 1930, he was a member of Derby Township council.