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27th Regiment Illinois Volunteer Infantry
Illinois state flag
Active August 10, 1861 to September 20, 1864
Country United States
Allegiance Union
Branch Infantry
Engagements Battle of Belmont
Battle of Stone's River
Battle of Chickamauga
Battle of Missionary Ridge
Battle of Resaca
Battle of Kennesaw Mountain

The 27th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.


The 27th Illinois Infantry was organized at Camp Butler, Illinois and mustered into Federal service on August 10, 1861.

The regiment was mustered out on September 20, 1864 at Springfield, Illinois. The veterans and recruits from this regiment were transferred to the 9th Illinois Volunteer Infantry Regiment.

Total strength and casualties[]

The regiment suffered 7 officers and 96 enlisted men who were killed in action or who died of their wounds and 2 officers and 83 enlisted men who died of disease, for a total of 188 fatalities.[1]


  • Colonel Fazilo A. Harrington
  • Colonel Jonathan R. Miles
  • Colonel William Schmitt - Mustered out with the regiment.[2]

See also[]

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


  1. Dyer, Frederick Henry (1959). "A Compendium of the War of the Rebellion". The Civil War Archive. New York: Thomas Yoseloff. 
  2. "Illinois in the Civil War". Illinois Adjutant General's muster rolls.