8th Illinois Infantry Regiment

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8th Regiment Illinois Volunteer Infantry (3 years)
Flag of Illinois.svg
Illinois flag
ActiveJuly 25, 1861, to May 4, 1866
CountryUnited States United States
BranchUnited States Army
Union Army
EngagementsBattle of Fort Henry
Battle of Fort Donelson
Battle of Shiloh
Siege of Corinth
Battle of Thompson's Station
Battle of Port Gibson
Battle of Raymond
Battle of Champion Hill
Siege of Vicksburg
Col. Richard J. Oglesby

The 8th Regiment Illinois Volunteer Infantry (3 years) was an infantry regiment that served in the Union Army during the American Civil War.


The 8th Illinois Infantry was organized from the 8th Illinois Volunteer Infantry Regiment (3 Months) at Cairo, Illinois, on July 25, 1861. The 8th Illinois saw action at the Battle of Fort Henry, the Battle of Fort Donelson, the Battle of Shiloh, the Siege of Corinth, the Vicksburg Campaign, and the Mobile Campaign.

The regiment mustered out of service on May 4, 1866, at Baton Rouge, Louisiana. Among the notables that served in the regiment was Major Hermann Lieb, who later commanded the Union forces at the Battle of Milliken's Bend.

Total strength and casualties[edit]

The battery suffered 6 officers and 160 enlisted men killed in action or died of wounds and 155 enlisted men who died of disease, for a total of 321 fatalities.[1]


  • Colonel Richard J. Oglesby - promoted to brigadier general April 1, 1862
  • Colonel Frank L. Rhoades - resigned October 7, 1862
  • Colonel John P. Post - resigned September 28, 1863
  • Colonel Josiah A. Sheetz - mustered out with the regiment[2]

See also[edit]


  1. ^ http://www.civilwararchive.com/Unreghst/unilinf1.htm The Civil War Archive website after Dyer, Frederick Henry. A Compendium of the War of the Rebellion. 3 vols. New York: Thomas Yoseloff, 1959.
  2. ^ http://www.rootsweb.com/~ilcivilw/f&s/008-fs.htm Illinois in the Civil war website after Illinois Adjutant General's muster rolls