31st Regiment, Missouri Infantry (Union)

Organized at St. Louis, Carondelet and Ironton, Mo., August 11 to October 7, 1862. Attached to Cape Girardeau, District of Missouri, Dept. of Missouri, to December, 1862. 1st Brigade, 11th Division, Right Wing 13th Army Corps (Old), Dept. of the Tennessee, December, 1862. 1st Brigade, 4th Division, Sherman's Yazoo Expedition, to January, 1863. 1st Brigade, 1st Division, 15th Army Corps, Army of the Tennessee, to December, 1863. 2nd Brigade, 1st Division, 15th Army Corps, to April, 1864. 3rd Brigade, 1st Division, 15th Army Corps, to September, 1864. 1st Brigade, 1st Division, to November, 1864