Organized at St. Louis, Mo., May 8, 1861. Attached to Lyons' Command, Army of the West. Capture of Camp Jackson, St. Louis, May 10. Ordered to Rolla, Mo., May 16, and duty there until June 30. (Cos. "A" and "B" at garrison, Waynesville, until June 30.) March to Springfield, Mo., July 1-5 (except Co. "C" at Waynesville and Co. "L" at Lebanon). March to Mt. Vernon to reinforce General Sigel July 7. Return to Springfield July 9. Moved to St. Louis July 17. To Bird's Point, Mo., July 18, and duty there until August. Mustered out August 18, 1861.
Regiment lost during service 4 Enlisted men killed and 6 Enlisted men by disease.