Civil War Wiki
87th Regiment Illinois Volunteer Infantry
Illinois state flag
Active October 3, 1862 to June 16, 1865
Country United States
Allegiance Union
Branch Infantry
Mounted infantry
Equipment Siege of Vicksburg
Battle of Gettysburg
Battle of Wauhatchie
Battle of Missionary Ridge
Battle of Resaca
March to the Sea
Battle of Bentonville

The 87th Regiment Illinois Volunteer Infantry, later the 87th Regiment Illinois Volunteer Mounted Infantry, was an infantry regiment that served in the Union Army during the American Civil War.


The 87th Illinois Infantry was organized at Shawneetown, Illinois and mustered into Federal service on October 3, 1862. It was mounted in November, 1863.

The regiment was mustered out on June 16, 1865.

Total strength and casualties[]

The regiment suffered 1 officer and 15 enlisted men who were killed in action or who died of their wounds and 3 officers and 219 enlisted men who died of disease, for a total of 238 fatalities.[1]


  • Colonel John E. Whiting - resigned October 8, 1863
  • Lieutenant Colonel John M. Crebs - 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