Civil War Wiki
49th Regiment Illinois Volunteer Infantry
Illinois state flag
Active December 31, 1861 to September 9, 1865
Country United States
Allegiance Union
Branch Infantry
Engagements Capture of Fort Donelson
Battle of Shiloh
Battle of Pleasant Hill
Battle of Nashville

The 49th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.


The 49th Illinois Infantry was organized at Camp Butler, Illinois and mustered into Federal service on 31 December 1861.

The regiment was mustered out on September 9, 1865.

Total strength and casualties[]

The regiment suffered 7 officers and 72 enlisted men who were killed in action or mortally wounded and 5 officers and 170 enlisted men who died of disease, for a total of 254 fatalities.[1]


  • Colonel William Ralls Morrison - resigned on December 13, 1862.
  • Colonel William A. Thrush - 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 Civil War website after Illinois Adjutant General's muster rolls