Civil War Wiki
43rd Regiment Illinois Volunteer Infantry
Illinois state flag
Active October 12, 1861 to November 30, 1865
Country United States
Allegiance Union
Branch Infantry
Engagements Battle of Shiloh
Siege of Vicksburg

The 43rd Regiment Illinois Volunteer Infantry, known as the "Koerner Regiment", was an infantry regiment that served in the Union Army during the American Civil War.


The 43rd Illinois Infantry was organized at Camp Butler, Illinois and mustered into Federal service on October 12, 1861.

The regiment was mustered out on November 30, 1865.

Total strength and casualties[]

The regiment suffered 8 officers and 75 enlisted men who were killed in action or mortally wounded and 2 officers and 161 enlisted men who died of disease, for a total of 246 fatalities.[1]


  • Colonel Julius Raith - Mortally wounded at Shiloh, died on April 9, 1862.
  • Colonel Adolph Englemann - Mustered out on December 31, 1864.
  • Lieutenant Colonel Adolph Dengler - 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