21st Illinois Volunteer Infantry Regiment

The 21st Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.

Service

The 21st Illinois Infantry was organized at Mattoon, Illinois and mustered into Federal service on June 28, 1861.

The regiment was mustered out on December 16, 1865.

Total strength and casualties

The regiment suffered 1 officer and 51 enlistedmen who were killed in action or who died of their wounds and 2 officers and 127 enlistedmen who died of disease, for a total of 181 fatalities.

Commanders

• Colonel Ulysses S. Grant - promoted brigadier general on August 7, 1861.
• Colonel John W.S. Alexander - killed in action September 20, 1863.

See also

• List of Illinois Civil War Units
• Illinois in the American Civil War

Notes

References

• The Civil War Archive