40th Regiment, Missouri Infantry (Union)

Organized at Benton Barracks, Mo., August 11 to September 8, 1864. Attached to District of St. Louis, Mo., Dept. of Missouri, to November, 1864. Paducah, Ky., November, 1864. 3rd Brigade, 3rd Division, 4th Army Corps, Army of the Cumberland, to December 14, 1864. 1st Brigade, 3rd Division (Detachment), Army Tennessee, Dept. of the Cumberland, to February, 1865. 1st Brigade, 3rd Division, 16th Army Corps (New), Military Division West Mississippi, to March, 1865. 2nd Brigade, 3rd Division, 16th Army Corps, to August, 1865.