From Wikipedia "Canadian Units in War of 1812."
Known as Western Rangers or Caldwell's Rangers. Unit named after its leader, William Caldwell, noted Loyalist and Indian trader, The unit was a relatively small one, probably not more than fifty men, normally organized into two companies.
They worked in conjunction with the Indian Department and often fought alongside the Indians (chiefly the Ojibwe, Wyandotte and Pottowottomi).
The unit, or parts of it fought at the Battle of Moraviantown, the Battle of Longwoods, the Battle of Lundy's Lane and in several actions on the Niagara Peninsula.
--Brock-Perry