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25th Regiment Illinois Volunteer Infantry
Illinois state flag
Active August 4, 1861 to September 5, 1864
Country United States
Allegiance Union
Branch Infantry

The 25th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.


The 25th Illinois Infantry was organized at Saint Louis, Missouri and mustered into Federal service on August 4, 1861.

The regiment was mustered out on September 5, 1864.

Total strength and casualties[]

The regiment suffered 3 officers and 80 enlisted men who were killed in action or who died of their wounds and 148 enlisted men who died of disease, for a total of 232 fatalities.[1]


  • Colonel William N. Coler - resigned on August 31, 1862.
  • Colonel Caswell P. Ford - resigned on April 14, 1863.
  • Colonel Thomas D. Williams - killed in action on December 31, 1862.
  • Colonel Richard H. Nodine - mustered out with the regiment.[2]
  • Colonel William E. Woodruff[3]

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. - retrieved June 25, 2007.
  2. Illinois in the Civil War website after Illinois Adjutant General's muster rolls - retrieved June 26, 2007.
  3. Daniel, Larry J., Days of Glory: The Army of the Cumberland, 1861-1865, LSU Press, 2004 ISBN 0-8071-2931-3 - retrieved August 9, 2007