Organized at Monmouth, Ill., and mustered in August 21, 1862. Moved to Cairo, Ill., August 25-29, thence to Fort Henry September 3, and to Fort Donelson, Tenn., September 5. Attached to garrison of Forts Henry, Donelson and Heiman, District of Columbus, Dept. of the Tennessee, to November, 1862. District of Columbus, 13th Army Corps (Old), Dept. of the Tennessee, to January, 1863. District of Columbus, 16th Army Corps, to June, 1863. 1st Brigade, 3rd Division, Reserve Corps, Dept. of the Cumberland, to October, 1863. Garrison of Clarksville, Tenn., Dept. of the Cumberland, to April, 1864. Unassigned, 4th Division, 20th Army Corps, Dept. of the Cumberland, to March, 1865. 5th Sub-District, Middle Tennessee, Dept. of the Cumberland, to June, 1865.

SERVICE - Garrison duty at Forts Heiman (2 Companies), Henry (3 Companies) and Donelson, Tenn., till September 20, 1863. Expedition from Fort Donelson to Waverly, Tenn., October 22-25, 1862. Near Waverly and Richland Creek October 23. Cooley's Mill October 23. Near Garrettsburg, Ky., November 6. Fort Donelson Road January 2, 1863. Cumberland Iron Works, repulse of Forest's attack on Fort Donelson, February 3. Right wing moved to Clarksville, Tenn., September 20, 1863. Garrison duty at Clarksville and Fort Donelson and operating against guerrillas in Northwest Tennessee and Southwest Kentucky till December, 1864. Action at Budd's Creek, Clarksville, October 28, 1863. Pine Bluff, Tennessee River, August 19-20, 1864. Garrison duty at Nashville till June, 1865.

Mustered out at Nashville, Tenn., June 26, and discharged at Chicago, Ill., July 5, 1865.

Regiment lost during service 4 Officers and 34 Enlisted men killed and mortally wounded and 1 Officer and 82 Enlisted men by disease. Total 121.