15th Illinois Volunteer Infantry Regiment

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15th Regiment Illinois Volunteer Infantry
Flag of Illinois.svg
Illinois flag
Active April 25, 1861, to September 16, 1865
Country United States
Allegiance Union
Branch Infantry
Engagements Fort Donelson
Battle of Shiloh
Siege of Vicksburg

The 15th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.


The 15th Illinois Infantry Volunteer Regiment was raised under the 10 Regiment Act. The 15th Illinois Infantry was mustered at Freeport, Illinois, on May 24, 1861.[1]

Companies A, D, and F were made from volunteers from McHenry County, Company B was made by volunteers from Boone County, Company C was from Winnebago County, Company E hailed from Jo Daviess County, Company G came from Stephenson County, Company H was from Ogle County, Company I was from Lake County, and Company K was from Carroll County.[2]

The regiment was consolidated with the 14th Regiment Illinois Volunteer Infantry to form the 14th and 15th Illinois Battalion Infantry on July 1, 1864, and was finally mustered out of service on September 16, 1865, at Fort Leavenworth.

Total strength and casualties[edit]

The regiment suffered 6 officers and 81 enlisted men who were killed in action or who died of their wounds and 5 officers and 135 enlisted men who died of disease, for a total of 227 fatalities.[3]


  • Colonel Thomas J. Turner - resigned November 2, 1862.
  • Colonel George Clarke Rogers[4]

See also[edit]


  1. ^ http://www.illinoisgenealogy.org/civil_war/15th_illinois_infantry.htm
  2. ^ http://civilwar.illinoisgenweb.org/reg_html/015_reg.html
  3. ^ http://www.civilwararchive.com/Unreghst/unilinf1.htm The Civil War Archive website after Dyer, Frederick Henry. A Compendium of the War of the Rebellion. 3 vols. New York: Thomas Yoseloff, 1959.
  4. ^ http://www.rootsweb.com/~ilcivilw/f&s/015-fs.htm Illinois in the Civil War website after Illinois Adjutant General's muster rolls