John Cornwall (Upper Canada politician)
He was born in Danbury, Connecticut (other sources say that he was a native of Wales and came to the Thirteen Colonies around 1772), the son of John Cornwall. He married Mary Benedict. Cornwall served with Butler's Rangers during the American Revolution. In 1797, he was named a justice of the peace for the Western District. He lived in Colchester Township.
- "Records : 1688-1945". Loyalist Collection. University of New Brunswick. Retrieved 30 August 2020.
- Commemorative biographical record of the county of Essex, Ontario ... (1905) Archived 29 September 2007 at the Wayback Machine p. 312
- Johnson, J. K. Becoming Prominent: Regional Leadership in Upper Canada, 1791-1841 (1989) ISBN 0-7735-0641-1 p. 184