4th Regiment, Missouri Infantry (3 months, 1861) (Union)

Organized at St. Louis, Mo., April 22, 1861. Capture of Camp Jackson, St. Louis, May 10. Moved to Bird's Point, Mo., May 21; thence to Cairo, Ill. Guard duty along Pacific Rallroad. Moved to Cairo, Ill., thence to St. Louis, Mo., and to Fulton, Mo. Mustered out July 30, 1861.