UNION ILLINOIS VOLUNTEERS
1st Regiment, Illinois Cavalry
Seven Companies, "A" to "G," organized at Alton, Ill., and mustered in July 3, 1861. (Cos. "I," "H" and "K" were not mustered with Regiment and never served with it.) Attached to Dept. of Missouri. Moved to St. Charles, Mo., thence to Jefferson City, Mexico, Hannibal and Lexington, Mo. Skirmish at Georgetown, Mo., August - (Co. "C"). Siege of Lexington, Mo., September 11-20. Surrendered September 20. Reorganizing at Benton Barracks, Mo., till June, 1862. Guard supply trains and depots at Rolla, Houston, West Plains, etc. Mustered out July 14, 1862.
Company "H" organized at Alton, Ill., June 12, 1861. Company "I" organized at Alton, Ill., July 9, 1861. Company "K" organized at Alton, Ill., December 9, 1861. Companies "H" and "I" attached to Military District of Cairo to February, 1862. 4th Brigade, 1st Division, Military District of Cairo, to March, 1862. Unattached, Army of Mississippi, to April, 1862. Cavalry Division, Army Mississippi, to June, 1862. District of Memphis, Tenn., to July, 1862.
- Skirmishes at Charleston, near Bird's Point, August 19-20, 1861. Fish Lake August 20. Underwood's Farm, near Bird's Point, October 14. Action at Belmont, Mo., November 7. At Cairo, Ill., and Bird's Point, Mo., till March, 1862. Operations against New Market, Mo., March 1-14, and against Island No. 10, Mississippi River, March 15-April 8. Duty at New Madrid till June, and at Memphis, Tenn., till July. Mustered out July 15, 1862.
Company "K" attached to Army of Southwest Missouri January to July, 1862. District of Eastern Arkansas, Dept. of Missouri, to October, 1862. Army of Southeast Missouri to December, 1862. Action at Warrensburg, Mo., March 28. Mustered out December 27, 1862.
Regiment lost during service 17 Enlisted men killed and mortally wounded and 26 Enlisted men by disease. Total 43.
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