It is W. J. McGee, not James who is mentioned at Stones River.

It becomes my duty to report the following officer and enlisted men who left the field without permission while their regiment was engaged, and who failed to return to duty when ordered by their commanding officer: The Eighth Mississippi Regiment-Company A, Privates S. G. Grissom, W. T. Meeks, S. J. Copeland; Company G, Private Josiah Walker; Company H, Private W. W. Ritchie; Company D, Corpl. A. T. Perryman; Company E, Private J. M. Tullos; Company K, Lieutenant H. Matthis, Privates W. J. McGee, M. V. Shows.
OR VXX, Pt. 1,p. 839