27th Regiment, Missouri Infantry (Union)

Organized at St. Louis, Mo., September 2, 1862, to January 8, 1863. On duty at Chillicothe, Mo., and as Provost Guard at St. Louis during organization of Regiment. Ordered to Rolla, Mo., January 10, 1863. Attached to District of Rolla, Dept. of Missouri, to March, 1863. 1st Brigade, 1st Division, 15th Army Corps, Army of the Tennessee, to June, 1865.