Civil War Wiki
11th Regiment Illinois Volunteer Infantry (3 Year)
Illinois flag
Active July 30, 1861 to July 14, 1865
Country United States
Allegiance Union
Branch Infantry
Engagements Battle of Shiloh
Battle of Port Gibson
Battle of Champion's Hill
Siege of Vicksburg

The 11th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.


The 11th Illinois Infantry was mustered into Federal service for a three year enlistment on July 30, 1861 at Cairo, Illinois. The regiment was mustered out on July 14, 1865.

Total strength and casualties[]

The regiment suffered 7 officers and 179 enlisted men killed in action or mortally wounded and 1 officer and 284 enlisted men who died of disease, for a total of 471 fatalities.[1]


  • Colonel W.H.L. Wallace - promoted to brigadier general on July 30, 1861.
  • Colonel Thomas E.G. Ransom - promoted to brigadier general on April 2, 1862.
  • Colonel Garrett Nevins - killed in action near Vicksburg on April 23, 1863.
  • Colonel James H. Coates - mustered out with the regiment.


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 Civil war website after Illinois Adjutant General's muster rolls