Missouri Civil War Union Cavalry Units

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

Units 1st through 3rd

• 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 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 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.
  

Units 4th through 8th

• 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.
  

• 5th Regiment, Missouri Cavalry (Union)
  Organized by consolidation of Benton Hussars and 3 Companies of Hollan Horse February 14, 1862. Served unattached, 2nd Division, Army of Southwest Missouri, Dept. of Missouri, to October, 1862. Army of Southeast Missouri, Dept. of Missouri, to November, 1862.
  

• 5th Regiment, Missouri State Militia Cavalry (Union)
  Organized at St. Joseph, Missouri, March and April, 1862.
  Attached to District of Central Missouri, Department of Missouri, to February, 1863.
  

• 5th Regiment, Missouri State Militia Cavalry (2nd Organization) (Union)
  Organized February 2, 1863, from 13th Regiment, State Militia Cavalry.
  At various locations, then District of the Border, Department of Missouri, to October, 1863. Then to the District of Rolla, Department of Missouri, to muster out.
  

• 6th Regiment, Missouri Cavalry (Union)
  Organized February 14, 1862, by consolidation of Wright's, Wood's and Hawkins' Battalions.
  

• 6th Regiment, Missouri State Militia Cavalry (Union)
  Organized at large February 27 to April 23, 1862.
  

• 7th Regiment, Missouri Cavalry Union Missouri
  Organized February 20, 1862, by consolidation of Black Hawk Cavalry and Unattached Companies.
  

• 7th Regiment, Missouri State Militia Cavalry (Union)
  Organized at large in Missouri March and April, 1862.
  Enrolled: 1 January 1862 through 4 April 1862
  Mustered: 8 March 1862 through 23 April 1862
  Discharged: 20 March 1865 through 20 April 1865
  Lieutenant Colonels: Thomas T. Crittenden, E. T. Ward
  

• 8th Regiment, Missouri Cavalry Union Missouri
  Organized at Springfield, Mo., August 6 to September 15, 1862.
  

• 8th Regiment, Missouri State Militia Cavalry Union Missouri
  Organized at Jefferson City, Bolivar, Warsaw and Linn Creek December 18, 1861, to May 6, 1862.
  

Units 9th through 14th

• 9th Regiment, Missouri Cavalry (Union)
  Organized originally as Bowen's Cavalry Battalion, which was designated 9th Cavalry October, 1862, by consolidation with other Companies.
  Discontinued by consolidation with 10th Missouri Cavalry December 4, 1862. Companies "G" and "H" attached to 3rd Missouri Cavalry December 11, 1862.
  

• 9th Regiment, Missouri State Militia Cavalry (Union)
  Organized at large in Missouri February 12, 1862, to September 20, 1868. Attached to District of Rolla, Dept. of Missouri, to February, 1863. District of North Missouri, Dept. of Missouri, to July, 1865.
  

• 10th Regiment, Missouri Cavalry (Union)
  Organized at Jefferson Barracks, Mo., October, 1862, from 28th Missouri Infantry. Bowen's Battalion assigned as Companies "A," "B," "C" and "D," and six Companies organized for 9th Missouri Cavalry assigned December 17, 1862, as Companies "E," "F," "G" and "H."
  Served in various locations to May, 1865. Then with 2nd Brigade, 4th Division, Cavalry Corps, Military Division Mississippi, to June, 1865.
  

• 11th Regiment, Missouri Cavalry (Union)
  Organized at Benton Barracks and St. Joseph, Missouri, March 28 to December 11, 1863. Served at various locations to March, 1865. With the Separate Cavalry Brigade, Cavalry Division, 7th Army Corps, to July, 1865.
  

• 11th Regiment, Missouri State Militia Cavalry (Union)
  Organized in Missouri at large January 1 to April 20, 1862.
  Consolidated with 2nd Regiment Missouri State Militia Cavalry September 2, 1862, which see.
  

• 12th Regiment, Missouri Cavalry Union Missouri
  Organized at St. Louis, Missouri, November 3, 1863, to March 23, 1864. Served with various units to May, 1865. With the Department Missouri, Eastern Division, Powder River Expedition, and District of the Plains to April, 1866.
  

• 12th Regiment, Missouri State Militia Cavalry Union Missouri
  Organized in Missouri at large December 5, 1861, to May 8, 1862.
  Broken up February 4, 1863.
  

• 13th Regiment, Missouri Cavalry 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.
  

• 14th Regiment, Missouri Cavalry Union Missouri
  Organized at St. Louis and Springfield, Jennifer Kerns Davis, November 30, 1864, to May 13, 1865.
  Moved to Nebraska, and frontier duty on the Plains until November 1865. Mustered out November 17, 1865.
  

• 14th Regiment, Missouri State Militia Cavalry Union Missouri
  Organized in Missouri at large March to May, 1862. Attached to District of Southwest Missouri, Department Missouri, to March, 1863.
  

Units 15th through 21st

• 15th Regiment, Missouri Cavalry Union Missouri 
  Organized November 1, 1863, from 7th Regiment Enrolled Militia.
  Attached to District of Southwest Missouri, Department Missouri, to April, 1865. District of North Missouri, Department Missouri, to July, 1865.
  

• 16th Regiment, Missouri Cavalry (Union)
  Organized at Springfield, Missouri, November 1, 1863, from 6th Regiment Enrolled Militia.
  Attached to District of Southwest Missouri, Department Missouri, to April, 1865, and to District of North Missouri, Department Missouri, to July, 1865.
  

• 18th Regiment, Missouri Cavalry Union Missouri
  "Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit.
  

• 21st Regiment, Missouri State Militia Cavalry (Union)
  "Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit.
  

Units A through Z

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

• Berry's Battalion, Missouri Cavalry (Union)
  Organized in Upper Missouri June to August, 1861.
  Mustered out February 1, 1862.
  

• Cass County Home Guard, Missouri Cavalry (Union)
  Organized in Cass County June-August, 1861, for duty in Cass and adjoining Counties and to protect bridges.
  Mustered out February 28, 1862.
  

• Clark's Independent Cavalry Company, Missouri Home Guard (Union)
  "Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit.
  

• Dougherty's Company A, Missouri Home Guard Cavalry Regiment (Union)
  "Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit.
  

• Fremont's Body Guard, Missouri Cavalry (Union)
  Organized at Cincinnati, Ohio, and St. Louis, Missouri, August, 1861.
  Mustered out November 30, 1861.
  

• Graham's Company, Missouri Cavalry (Union)
  "Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit.
  

• Mattley's Company D, Cavalry Regiment, Missouri Home Guard (Union)
  "Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit.
  

• Merrill's Horse, see 2nd Regiment, Missouri Cavalry (Union).
  

• Moore's Cavalry Regiment, Missouri Home Guard (Union)
  "Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit.
  

• Smallwood's Company, Scouts and Guides, Missouri Cavalry (3 months, 1861) (Union)
  "Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit.
  

• Sobolaski's Lancers, Missouri Cavalry (Union)
  Organized at Benton Barracks, Missouri, November and December, 1861.
  Mustered out January 24, 1862.
  

• Stewart's Battalion, Missouri Cavalry (Union)
  Organized at St. Louis, Missouri, September to November, 1861.
  Duty in District of Southeast Missouri until February, 1862. Mustered out February 2, 1862.