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8th Regiment Illinois Volunteer Infantry (3 months)
Illinois flag
Active 1861
Country United States
Allegiance Union
Branch Infantry

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


The 8th Illinois Infantry was mustered at Springfield, Illinois on April 25, 1861. Companies B and C participated in the expedition from Cairo to Little River from June 22-23, 1861.

The regiment mustered out of service in July 25, 1861 at Cairo, Illinois and most personnel were remustered in the 8th Illinois Volunteer Infantry Regiment (3 Years).

Total strength and casualties[]

The regiment suffered 3 enlisted men who died of disease, for a total of 3 fatalities.[1]


  • Colonel Richard J. Oglesby - mustered out with the regiment[2]

See also[]

  • List of Illinois Civil War Units
  • Illinois in the American Civil War


  1. 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. Illinois in the Cvil war website after Illinois Adjutant General's muster rolls


pl:8 Ochotniczy Pułk Piechoty Illinois (3 miesiące)