Organized at Chicago, Ill., and mustered in September 18, 1861. Moved to St. Louis, Mo., September 19, thence to Booneville, Mo., October 2, 1861. Attached to Dept. of Missouri to February, 1862. 2nd Brigade, 3rd Division, Army of Southwest Missouri, to May, 1862. Cassville, Mo., District of Southwest Missouri, to September, 1862. 2nd Brigade, 2nd Division, Army of the Frontier, Dept. of Missouri, to June, 1863. 1st Brigade, Herron's Division, 13th Army Corps, Army of the Tennessee, to July, 1863. 1st Brigade, 2nd Division, 13th Army Corps, Dept. of the Tennessee, to August, 1863, and Dept. of the Gulf to June, 1864. 1st Brigade, 3rd Division, 19th Army Corps, Dept. of the Gulf, to December, 1864. 4th Brigade, Reserve Corps, Military Division West Mississippi, to February, 1865. 3rd Brigade, 2nd Division, Reserve Corps, M.D. W. M., February, 1865. 3rd Brigade, 2nd Division, 13th Army Corps, M.D. W. M., to July, 1865. Dept. of Texas to May, 1866.
SERVICE - Expedition to Arrow Rock, Mo., October 10-14, 1861 (Cos. "C" and "K"). Fremont's Campaign against Springfield, Mo., October 13-November 3 (Cos. "C" and "H," at Rolla, Mo., till February, 1862). At Lamine River till February, 1862. Curtis' Campaign against Price !n Missouri and Arkansas February and March. Springfield February 12. Sugar Creek and Bentonville February 17. Battles of Pea Ridge, Ark., March 6-8. At Cassville, Mo., guarding frontier in Southwest Missouri, and operating against guerrillas till September 29, 1862. Cassville June 11 (Detachment). Expedition from Ozark to Forsyth August 14-17 (Cos. "A" and "K"). March to Osage Springs September 29-October 24. Occupation of Newtonia October 4. Expedition from Osage Springs to Fayetteville, Ark., October 27-30. March to relief of Blunt, December 3-7. Battle of Prairie Grove, Ark., December 7. Expedition over Boston Mountains to Van Buren, Ark., December 27-29. Operations against Marmaduke in Missouri April 17-May 2, 1863. Action at Cape Girardeau, April 26. Chalk Bluffs May 2. Moved to St. Louis, Mo., thence to Vicksburg, Miss., June 3-14. Siege of Vicksburg June 14-July 4. Surrender of Vicksburg July 4. Expedition to Yazoo City, Miss., July 12-21. Capture of Yazoo City July 13. Moved to Port Hudson, La., July 24, thence to New Orleans, La., August 13. Expedition after Taylor's and Green's forces, west of the Atchafalaya River September 8-October 11. Action at Sterling's Farm on Bayou Fordoche September 29. Moved to the Rio Grande, Texas, October 24-November 4. At Brownsville and guarding Rio Grande to Ringgold Barracks till February, 1864. EXpedition to Rio Grande City November 23-December 2, 1863. Regiment veteranize February 28, 1864. Veterans on furlough till April. Moved to Memphis, Tenn. Expedition from Memphis, Tenn., to Ripley, Miss., April 30-May 9. Moved to Atchafalaya Bayou, La. Construct Steamboat Bridge across Bayou for Banks' forces. At Morganza, La., till July 12. Moved to St. Charles on White River, Ark., July 12 and duty there till October. Non-Veterans mustered out September 20. Duty at Duvall's Bluff, Ark., October 7, 1864, to January 4, 1865. Moved to New Orleans, La., thence to Barrancas, Fla. March to Pensacola, Fla., March 11. March to Fort Blakely, Ala., March 20-April 1. Occupation of Canoe Station March 27. Siege of Spanish Fort April 2-8. Assault and capture of Fort Blakely April 9. Occupation of Mobile April 12. Moved to Montgomery April 20-29, thence to Selma May 1. Moved to Mobile and duty there May 15 to June 28. Moved to Galveston, Texas, June 28-July 1, and to Sabine Pass July 1-5. To Houston July 17. Railroad guard duty in that vicinity till May, 1866.
Mustered out May 15, 1866.
Regiment lost during service 4 Officers and 60 Enlisted men killed and mortally wounded and 1 Officer and 168 Enlisted men by disease. Total 233.