Missouri Civil War Union Cavalry Units

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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 Battalion, US Reserve Corps, Missouri Cavalry (Union) "Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit.


 * 1st Battalion, Missouri State Militia Cavalry (Union) Organized at St. Charles, Missouri, March 26, 1862. Broken up November 11, 1862.


 * 1st Regiment, Missouri Cavalry (Union) Organized at Jefferson Barracks, Missouri, September 6, 1861. Regiment consolidated to 7 companies September 10, 1864. Served in various locations. With 7th Army Corps, to September, 1865.


 * 1st Northeast Cavalry Regiment, Missouri Home Guard (Union) "Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit.


 * 1st Regiment, Missouri State Militia Cavalry (Union) "Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit.

-2nd Units

 * 2nd Battalion, Missouri State Militia Cavalry (Union) Organized at Harrisville and Kansas City, Missouri, March 17 to May 5, 1862.


 * 2nd Regiment, Missouri Cavalry (Merrill's Horse) (Union) Organized at Benton Barracks, Missouri, by Captain Lewis Merrill, U. S. A., September 3 to December 11, 1861. (Co. "L" organized at St. Louis, Missouri, January 1, 1863, and Co. "M" at Warrenton June 30, 1863.)


 * 2nd Regiment, Missouri State Militia Cavalry (Union) Organized in Missouri at large December, 1861, to April, 1862, and by consolidation of original 2nd and 11th Regiments, State Militia Cavalry.

-3rd Units

 * 3rd Regiment, Missouri Cavalry (Union) Organized at Palmyra, Missouri, and St. Louis, Missouri, October 15, 1861, to March 6, 1862. At various locations. With Separate Cavalry Brigade, 7th Army Corps, to June, 1865.


 * 3rd Regiment, Missouri State Militia Cavalry (1st Organization) (Union) Organized at Louisiana, Pike County, Missouri, May 5, 1862. Regiment disbanded February 4. 1863.


 * 3rd Regiment, Missouri State Militia Cavalry (2nd Organization) (Union) Reorganized from 10th Regiment State Militia Cavalry February 2, 1863. At various locations. With District of St. Louis, Missouri, Department of Missouri, to July, 1865.

-4th Units

 * 4th Regiment, Missouri Cavalry (Union) Organized February, 1862, by consolidation of Fremont Hussars and three Companies Hollan Horse. Served in various locations, then at Department of Texas to November, 1865.


 * 4th Regiment, Missouri State Militia Cavalry (Union) Organized at St. Joseph, Missouri, January 28 to May 14, 1862. Served in various locations, then at the District of Central Missouri, Department of Missouri, to July, 1865.