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12th Illinois Cavalry

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Country  United States
Branch  Cavalry
Allegiance  Union
12th Illinois Cavalry gettysburgstonesentinelscomwordpresswpcontent
Active  February 24, 1862, to May 29, 1866
Engagements  Harpers Ferry Battle of Gettysburg Stoneman's 1863 Raid 12th Cav, Co. H and I (McClellan Dragoons) Peninsula Campaign Seven Days Battle of Antietam Fredericksburg

Illinois state society gettysburg tour no 3 12th illinois cavalry monument

The 12th Illinois Cavalry Regiment was a volunteer cavalry regiment which served in the Union Army during the American Civil War.



The 12th Cavalry was organized at Camp Butler in February 1862. It was part of the Army of the Potomac from September 1862 to November 1863; the Department of the Gulf from March 1864 to February 1865; and the Department of Texas from July 1865 to May 1866.

The 4th Illinois Cavalry was consolidated with the 12th Illinois Cavalry on June 14, 1865.

Total strength and casualties

The regiment suffered 38 enlisted men who were killed in action or who died of their wounds and 4 officers and 192 enlisted men who died of disease, for a total of 234 fatalities.


  • Colonel Arno Voss (1861–1864)
  • Colonel Hasbrouck Davis (1865)
  • References

    12th Illinois Cavalry Wikipedia

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