Background
He was born in Charlottenburgh Township, Ontario, the son of Allan McMartin and Catherine McDonald, and was educated there.
He was born in Charlottenburgh Township, Ontario, the son of Allan McMartin and Catherine McDonald, and was educated there.
He represented Glengarry and Stormont in the Canadian House of Commons from 1917 to 1918 as a Unionist Party member. In 1883, he was superintendent of construction on the Canadian Pacific Railway. In 1903, McMartin established himself in business in Cornwall, Ontario.
He was president of the Labrador Pulp and Paper Company and of the Motherlode Sheep Creek Mining Company and vice-president of Hollinger Consolidated Mines.
McMartin moved to Montreal in 1917 and died there in office at the age of 48.