Organized in Missouri at large May to November, 1861. Companies "G," "H" and "I" organized for three months. Lookout Station, Mo., August 20, 1861. Siege and surrender of Lexington, Mo., September 11-20. Recapture of Lexington October 16. Duty in Missouri until February, 1862, Mustered out January 27 to February 28, 1862.

Regiment lost during service 1 Officer and a Enlisted men killed and mortally wounded and 34 Enlisted men by disease. Total 38.