W. S. Irwin
Col. 136th Ohio Infantry | July 10, 1864, to Aug. 22, 1864. | 3d Brigade, Defenses South of the Potomac, 11th and 20th U. S. Reserve Corps, Department of Washington | |
Col. 136th Ohio Infantry | May 16, 1864, to July, 1864. | 2d Brigade, Defenses South of the Potomac, 11th and 20th U. S. Reserve Corps, Department of Washington |