Chinguacousy Township is a former municipality and present-day geographic township in the Regional Municipality of Peel, Ontario, Canada. In 1974, when Peel County became the Region of Peel, the township was split in half, with the northern half becoming part of the town of Caledon, and the southern half, along with the township of Toront…Chinguacousy Township is a former municipality and present-day geographic township in the Regional Municipality of Peel, Ontario, Canada. In 1974, when Peel County became the Region of Peel, the township was split in half, with the northern half becoming part of the town of Caledon, and the southern half, along with the township of Toronto Gore, joining the Town of Brampton, which was then promoted to a city.