Civil War Wiki
129th Regiment Illinois Volunteer Infantry
Illinois state flag
Active September 8, 1862 to June 8, 1865
Country United States
Allegiance Union
Branch Infantry
Engagements Battle of Resaca
Battle of Kennesaw Mountain
Siege of Atlanta
March to the Sea
Battle of Bentonville

The 129th Regiment Illinois Volunteer Infantry was an American infantry regiment that served in the Union Army during the American Civil War.


The 129th Illinois Infantry was organized at Pontiac, Illinois and mustered into Federal service on September 8, 1862 for a three year enlistment.

The regiment was mustered out of service on June 8, 1865.

Total strength and casualties[]

The regiment suffered 50 enlisted men who were killed in action or who died of their wounds and 2 officers and 128 enlisted men who died of disease, for a total of 180 fatalities.[1]


  • Colonel George P. Smith -resigned on May 8, 1863.
  • Colonel Henry Case - 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