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16th Regiment Illinois Volunteer Infantry
Illinois state flag
Active May 24, 1861 to July 8, 1865
Country United States
Allegiance Union
Branch Infantry
Engagements Siege of Nashville
Battle of Resaca
Battle of Atlanta
Battle of Kennesaw Mountain
Battle of Atlanta
Battle of Jonesboro
March to the Sea
Battle of Bentonville

The 16th Regiment Illinois Volunteer Infantry, nicknamed "The Twins" for its long association with the 10th Illinois, was an infantry regiment that served in the Union Army during the American Civil War.


The 16th Illinois Infantry was organized at Quincy, Illinois and mustered into Federal service on May 24, 1861 for three years service.

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

Total strength and casualties[]

The regiment suffered 3 officers and 54 enlisted men who were killed in action or who died of their wounds and 3 officers and 110 enlisted men who died of disease, for a total of 170 fatalities.[1]


  • Colonel Robert F. Smith - 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