Missouri Civil War Union Infantry Units

United States     U.S. Military      Missouri      Missouri Military      Missouri in the Civil War      Missouri Civil War Union Infantry Units

The information in this list of Missouri Military Units comes from the Civil War Soldiers and Sailors web site (CWSS). That web site can also be searched by the name of a soldier.

-1st Units

 * 1st Rifle Battalion, Missouri Infantry (Union) "Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit.


 * 1st Regiment, Missouri Infantry (3 months 1861) (Union) Organized at St. Louis, Missouri, for three months April 22, 1861. Designation of Regiment changed to 1st Missouri Light Artillery September 1, 1861.


 * 1st Regiment, Enrolled Militia, Missouri National Guard Infantry (Union) Called into service September 25, 1864, to repel Price's invasion of Missouri. Relieved from active service October 31, 1864. Action at Middle or Mill Creek Bridge July 24, 1864.


 * 1st Regiment, US Reserve Corps, Missouri Infantry (Union) Organized at St. Louis, Missouri, September 3, 1861. Mustered out October 6, 1862.


 * 1st Regiment, US Reserve Corps, Missouri Infantry (3 months, 1861) (Union) Organized for three months at St. Louis, Mo., May 7, 1861. Mustered out August 20, 1861.


 * 1st Regiment, Missouri State Militia Infantry (Union) Organized at St. Louis, Missouri, May 13, 1862, by consolidation of various companies State Militia Infantry raised at St. Louis, Missouri. Served as prison guard and Provost guard at St. Louis until September 28, 1862.

-2nd Units

 * 2nd Regiment, Missouri Infantry (Union) Organized at St. Louis, Missouri, September 10, 1861.


 * 2nd Regiment, Missouri Infantry (3 months, 1861) (Union) Organized at St. Louis, Missouri, April 22, 1861. Mustered out August 31, 1861.


 * 2nd Regiment, US Reserve Corps, Missouri Infantry (3 months, 1861) (Union) Reorganized at St. Louis August 23 to September 20, 1861.


 * 2nd Regiment, US Reserve Corps, Missouri Infantry (3 months, 1861) (Union) Organized at St. Louis, Missouri, May 7, 1861. Mustered out August 16, 1861.

-3rd Units

 * 3rd Regiment, Missouri Infantry (Union) Organized at St. Louis, Missouri, September 3, 1861, to January 18, 1862. At various locations, then with 3rd Brigade, 1st Division, 15th Army Corps, to November, 1864.


 * 3rd Regiment, Missouri Infantry (3 months, 1861) (Union) Organized at St. Louis, Missouri, April 22, 1861. Mustered out September 4, 1861.


 * 3rd Regiment, US Reserve Corps, Missouri Infantry (Union) Organized at St. Louis. Missouri, August and September, 1861. Consolidated with Gasconade Battalion to form 4th Missouri Infantry January 18, 1862.


 * 3rd Regiment, US Reserve Corps, Missouri Infantry (3 months 1861) (Union) Organized at Turner Hall, St. Louis, Missouri, May 8, 1861. Mustered out August 18, 1861.

-4th Units

 * 4th Regiment, Missouri Infantry (Union) Organized at St. Louis, Missouri, by consolidation of Gasconade Battalion and 3rd Regiment United States Reserve Corps January, 1862. Mustered out February 1, 1863.


 * 4th Regiment, Missouri Infantry (3 months, 1861) (Union) Organized at St. Louis, Missouri, April 22, 1861. Mustered out July 30, 1861.


 * 4th Regiment, US Reserve Corps, Missouri Infantry (Union) Organized at St. Louis, Missouri, September, 1861. Mustered out January 13, 1862.


 * 4th Regiment, US Reserve Corps, Missouri Infantry (3 months, 1861) (Union) Organized at St. Louis, Missouri, May 8, 1861. Mustered out August 18, 1861.

-5th Units

 * 5th Regiment, Missouri Infantry (Union) Organized at St. Louis March 18, 1862, by consolidation of 5th United States Reserve Corps, Voerster's Company Sappers and Miners, Giester's Company Pioneers and Winkelman's Company Pontooneers. Companies "A" and "I" transferred to 25th Missouri Infantry, and Companies "H" and "K" to 27th Missouri Infantry. Companies "B," "C," "D," "E," "F" and "G" mustered out November 22, 1862.


 * 5th Regiment, Missouri Infantry (3 months, 1861) (Union) Organized at St. Louis, Mo., May 18, 1861. Mustered out August 27, 1861.


 * 5th Regiment, US Reserve Corps, Missouri Infantry (Union) "Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit.


 * 5th Regiment, US Reserve Corps, Missouri Infantry (3 months, 1861) (Union) Organized at St. Louis, Mo., May 11, 1861. Mustered out August 31, 1861.


 * 6th Regiment, Missouri Infantry Union Missouri Organized at St. Louis, Mo., June 15-July 9, 1861.


 * 7th Regiment, Missouri Infantry Union Missouri Organized at St. Louis, Mo., June, 1861.


 * 8th Regiment, Missouri Infantry Union Missouri Organized at St. Louis, Mo., June 12 to August 14, 1861.


 * 9th Regiment, Missouri Infantry Union Missouri "Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit.


 * 10th Regiment, Missouri Infantry Union Missouri Organized at St. Louis, Missouri, August, 1861. Served at various locations to December, 1863. With the 2nd Brigade, 3rd Division, 15th Army Corps, to October, 1864.


 * 11th Regiment, Missouri Infantry Union Missouri Organized at St. Louis, Missouri, August, 1861. Served at various locations to August, 1865. In the District of Alabama to December, 1865.


 * 12th Regiment, Missouri Infantry Union Missouri Organized at St. Louis, Missouri, August, 1861. Served with various units to December, 1863. With the 3rd Brigade, 1st Division, 15th Army Corps, to November, 1864.


 * 13th Regiment, Missouri Infantry Union Missouri Organized at St. Louis, Missouri, September, 1864, to February, 1865, from Veterans of Missouri State Militia Regiments. Attached to District of Rolla and Dept. of Missouri to July, 1866.


 * 15th Regiment, Missouri Infantry Union Missouri Organized at St. Louis, Missouri, August and September, 1861. Served with various units to August, 1865. Then with the Department of Texas to December, 1865.


 * 16th Regiment, Missouri Infantry (Union) Failed to complete organization.


 * 17th Regiment, Missouri Infantry Union Missouri Organized at St. Louis, Missouri, August, 1861. Served with various units to December, 1863. With the 3rd Brigade, 1st Division, 15th Army Corps, to December, 1864.


 * 18th Regiment, Missouri Infantry Union Missouri Organized at Laclede, Missouri, July to November, 1861. Served with various units to September, 1864. With the 1st Brigade, 1st Division, 17th Army Corps, to July, 1865.


 * 19th Regiment, Missouri Infantry (Union) Failed to complete organization.