The 86th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.
Service The 86th Illinois Infantry was organized at Peoria, Illinois and mustered into Federal service on August 27, 1862.
The regiment was mustered out on June 6, 1865, and discharged at Chicago, Illinois, on June 21, 1865.
Total strength and casualties The regiment suffered 3 officers and 73 enlisted men who were killed in action or who died of their wounds and 1 officers and 93 enlisted men who died of disease, for a total of 175 fatalities.https://www.civilwararchive.com/Unreghst/unilinf7.htm#86th The Civil War Archive website after Dyer, Frederick Henry. A Compendium of the War of the Rebellion. 3 vols. New York: Thomas Yoseloff, 1959.
Commanders Colonel David D. Irons - Died Nashville, Tennessee August 11, 1863. Lieutenant Colonel Allen L. Fahnestock - Mustered out with the regiment.http://www.rootsweb.com/~ilcivilw/f&s/086-fs.htm Illinois in the Civil War website after Illinois Adjutant General's muster rolls
See also List of Illinois Civil War Units Illinois in the American Civil War
Notes
References The Civil War Archive