Organized at Peoria, Ill., and mustered in September 3, 1862. Moved to Covington, Ky., October 4, 1862. Attached to 3rd Division, Army of Kentucky, Dept. of the Ohio, October, 1862. 2nd Brigade, 1st Division. Army of Kentucky, to November, 1862. 2nd Brigade, 10th Division, 13th Army Corps (Old), Department of the Tennessee, to December, 1862. 2nd Brigade, 1st Division, 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 Tennessee and Army of the Gulf, to January, 1864. 1st Brigade, 4th Division. 13th Army Corps, Dept. of the Gulf, to June, 1864. Defenses of New Orleans, La., Dept. of the Gulf, June, 1864. 3rd Brigade, 3rd Division, 19th Army Corps, Dept. of the Gulf, to October, 1864. Defenses of New Orleans, La., to February, 1865. 1st Brigade, 3rd Division, Reserve Corps, Military Division West Mississippi, February, 1865. 1st Brigade, 3rd Division, 13th Army Corps (New), Military Division West Mississippi, to July, 1865.

SERVICE - March to Lexington, Ky., thence to Richmond, Ky., October 17 - November 2, 1862. March to Louisville, Ky., November 11-17, thence to Memphis, Tenn., November 20-27, and duty there till December 20. Sherman's Yazoo Expedition December 20, 1862, to January 2, 1863. Chickasaw Bayou December 26-28. Chickasaw Bluff December 29, 1862. 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 March 9. Movement on Bruinsburg and turning Grand Gulf April 25-30. Battle of Port Gibson May 1. Battle of 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 4-10. Siege of Jackson July 10-17. Duty at Vicksburg till August 25. Ordered to New Orleans August 25, and duty there till October 3. Western Louisiana Campaign October 3 - November 30. At New Iberia till December 6. Moved to New Orleans December 6, thence to Pass Cavallo, Texas, December 8-20, and duty there till February, 1864. Reconnaissance on Matagorda January 21, 1864. Moved to New Orleans February, 1864. Red River Campaign March 10 - May 22. Advance from Franklin to Alexandria March 14-26. Battle of Sabin Cross Roads April 8. Pleasant Hill April 9. Cane River Crossing April 23. At Alexandria and constructing dam across Red River April 26 - May 13. Retreat to Morganza May 13-20. Mansura May 16. Moved to Baton Rouge, La., and duty there till August 1. Operations in Mobile Bay against Forts Gaines and Morgan August 2-23. Siege and capture of Fort Gaines August 3-8. Siege and capture of Fort Morgan August 8-23. At Morganza Bend, Mississippi River, till October, and Provost duty at New Orleans, La., till March, 1865. Campaign against Mobile, Ala., and its defenses March 17 - April 12. Siege of Spanish Fort and Fort Blakely March 26 - April 8. Assault and capture of Fort Blakely April 9. Occupation of Mobile April 12. Expedition to Tombigbee River and Mcintosh Bluffs April 13 - May 9. At Mobile till July.

Mustered out July 10, 1865.

Regiment lost during service 2 Officers and 66 Enlisted men killed and mortally wounded and 1 Officer and 137 Enlisted men by disease. Total 206.