Barrie, ON, incorporated as a city in 1959, population 141,434 (2016 census), 135,711 (2011 census). The City of Barrie is located at the head of Kempenfelt Bay on Lake Simcoe, 90 km north of Toronto. First Nations people used the site as the eastern end of a portage route to the Nottawasaga River, which flows into Georgian Bay. During the War of 1812, the portage became an important supply route linking York (Toronto) on Lake Ontario to British military posts on the upper Great Lakes. The name refers to Commodore Robert Barrie, a British naval officer on Lake Ontario.