One of the great stars of early American Westerns. McCoy was the son of an Irish soldier who later became police chief of Saginaw, Michigan, where McCoy was born. He attended St. Ignatius College in Chicago and after seeing a Wild West show there, left school and found work on a Wyoming ranch. He became an expert horseman and roper and developed a keen knowledge of the ways and languages of the Indian tribes in the area. He competed in numerous rodeos, then enlisted in the U.S. Army when America entered the First World War. He was commissioned and rose to the rank of lieutenant colonel. At the…