Biographical Note: Robert A. McCabe, an officer in the United States Army and a subagent for the Bureau of Indian Affairs, was born in Pennsylvania.
He joined the army and was promoted through the ranks until he became a captain in 1824. In 1826, McCabe was assigned to the Fifth Infantry and involved with planning a garrison at Prairie du Chien, Wisconsin. In 1829, McCabe was posted at Fort Mackinac, Michigan and dealt with affairs of the Chippewa (Objibwa) Indians. After resigning from the Army, McCabe was employed by the Bureau of Indian Affairs at Fort Winnebago, Wisconsin and in 1834, he was assigned to the Western Creek Agency, headquartered in the vicinity of Fort Gibson, Oklahoma. McCabe resigned from the Bureau for health reasons and returned to Blairsville, Indiana County, PA. McCabe may have worked as a sutler to Fort Mackinac, 1836 to 1840. It is unknown when he died.
From the description of Robert A. McCabe letterbook 1829-1838. (Johns Hopkins University). WorldCat record id: 48380069