12th Missouri Volunteer Cavalry

The 12th Missouri Volunteer Cavalry Regiment was a cavalry regiment that served in the Union Army during the American Civil War.

Service
The 12th Missouri Cavalry was organized at Saint Louis, Missouri, November 3, 1863, to March 23, 1864. Attached to District of Saint Louis, Missouri, Department Missouri, to July, 1864. 1st Brigade, 1st Cavalry Division, District of West Tennessee, Department Tennessee, to November, 1864. 1st Brigade, 5th Division, Cavalry Corps, Military Division Mississippi, to May, 1865. Department Missouri, Eastern Division, Powder River Expedition, and District of the Plains to April, 1866.

Detailed service
Duty at Saint Louis, Missouri, until June 1, 1864. Ordered to Memphis, Tennessee, and duty there until August 1. Smith's Expedition to Oxford, Mississippi, August 1–30. Holly Springs August 1. Elkshute August 4. Tallahatchie River August 7–9. Hurricane Creek and Oxford August 9. Abbeville August 13. Hurricane Creek August 13–14 and 19. College Hill, Oxford, August 23. At White's Station until September 30. March to Clifton and Lawrenceburg in pursuit of Nathan Bedford Forest September 30-October 8. At Clifton until October 27. Franklin–Nashville Campaign November–December. March to Pulaski, Tennessee, October 27-November 6. Expedition to Moscow November 9–13. Shoal Creek November 11. Eastport, Mississippi, November 10–11. On line of Shoal Creek November 16–20. Lawrenceburg November 22. Campbellville and Lynnville November 24. In front of Columbia November 24–27. Crossing of Duck River November 28. Battle of Nashville December 15–16. Pursuit of Hood December 17–28. Richland Creek December 24. King's Gap, near Pulaski, December 25. At Gravelly Springs, Alabama, and Eastport, Mississippi Scouting in Northern Mississippi and Alabama until May, 1865. Moved to Saint Louis, Missouri, May 12–17, thence to Fort Leavenworth, Kansas, and to Omaha, Nebraska Powder River Expedition against Indians in Nebraska July 1-September 20. Actions with Indians on Powder River September 1–4 and 5. March from Fort Connor to Fort Laramie September 25-October 4. Engaged in frontier duty until April, 1866. Mustered out April 9, 1866.

Casualties
The regiment lost a total of 263 men during service; 1 Officer and 35 enlisted men killed or mortally wounded, 1 officers and 226 enlisted men died of disease.

Senior Officers

 * Oliver Wells, Colonel.
 * Richard H. Brown, Lieutenant Colonel.
 * Edwin D. Nash, Major.
 * J. M. Hubbard, Major.
 * Levi Pritchard, Major.