Cornwall is Ontario's easternmost city, located on the Saint Lawrence River about 100 kilometers southeast of Ottawa. It is named after the English Duchy of Cornwall. It is the seat of the United Counties of Stormont, Dundas and Glengarry.In June 1784, disbanded Loyalist soldiers and their families settled at New Johnstown, the site of present day Cornwall. Native traders and French missionaries and explorers came here in the 17th and early 18th centuries...