Organized at Camp Butler, Ill., and mustered in September 16, 1862. Moved to Covington, Ky., October 1, 1862. Attached to 2nd Brigade, 1st Division, Army of Kentucky, Dept. of the Ohio, to November, 1862. 2nd Brigade, 10th Division, 13th Army Corps (Old), Dept. of the Tennessee, to December, 1862. 2nd Brigade, Sherman's Yazoo Expedition, to January, 1863. 2nd Brigade, 10th Division, 13th Army Corps, Army of the Tennessee, to August, 1863. 2nd Brigade, 4th Division, 13th Army Corps, Dept. of the Gulf, to December, 1863. 2nd Brigade, 4th Division, 19th Army Corps, Dept. of the Gulf, to February, 1864. 2nd Brigade, 4th Division, 13th Army Corps, to June, 1864. 2nd Brigade, 3rd Division, 19th Army Corps, Dept. of the Gulf, to December, 1864. District of Southern Alabama and 3rd Brigade, Reserve Corps, Military Division West Mississippi, to February, 1865. 2nd Brigade, 2nd Division, Reserve Corps, Military Division West Mississippi, February, 1865. 2nd Brigade, 2nd Division, 18th Army Corps (New), Military Division West Mississippi, to July, 1865.

SERVICE - March to Lexington, thence to Nicholsville, Ky., October 17 - November 2, and Louisville, Ky., November 11-17. Moved to Memphis, Tenn., November 20-27, and duty there till December 20. Sherman's Yazoo Expedition December 20, 1862 - January 2, 1863. Chickasaw Bayou December 26-28, 1862. Chickasaw Bluff December 29. Expedition to Arkansas Post, Ark., January 3-10, 1863. Assault and capture of Fort Hindman, Arkansas Post, January 10-11. Moved to Young's Point, La., January 14-22, thence to Milliken's Bend, La., March 9. Movement on Bruinsburg and turning Grand Gulf April 25-30. Battles of Port Gibson May 1; Champion's Hill May 16; Big Black River May 17. Siege of Vicksburg, Miss., May 18 - July 4. Assaults on Vicksburg May 19 and 22. Surrender of Vicksburg July 4. Advance on Jackson, Miss., July 5-10. Siege of Jackson July 10-17. Reconnaissance to Pearl River July 11. At Vicksburg till August 25. Moved to New Orleans, La., August 25 and duty there till October. Western Louisiana Campaign October 3 - November 1. Ordered to New Orleans, La., and provost duty there till May, 1864. Moved to Morganza, La., and duty there till September. Atchafalaya Bayou September 16-17 and 19, and October 5. Moved to Pascagoula and duty there till February 1, 1865. Moved to Barrancas, Fla., February 1, and duty there till March 20. Steele's Expedition to Mobile, Ala., March 20-31. Occupation of Pollard March 26 and Canoe Station March 27. Siege of Fort Blakely April 1-8. Assault and capture of Fort Blakely April 9. Occupation of Mobile April 12. Expedition to Selma April 22-28, and to Cahawba May 1-2. Moved to Mobile May 11, thence to Galveston, Texas, and duty there till July.

Mustered out July 29, 1865.

Regiment lost during service 2 Officers and 28 Enlisted men killed and mortally wounded and Officers and 200 Enlisted men by disease. Total 233.