William Caldwell (ranger)

William Caldwell (c. 1750 – 20 February 1822) was an Irish-born military officer and colonial official in the British Indian Department. He fought against the Patriots in the American Revolutionary War, especially with Butler's Rangers, based near upstate New York. After the war, together with other Loyalists, Caldwell was granted land in Upper Canada (now Ontario). He helped found the town of Amherstburg, near the mouth of the Detroit River. He also served as a lieutenant colonel in the War of 1812, and as the Superintendent of Indians in the Western Department. He was a merchant and farmer in Amherstburg.