25th Illinois Infantry Regiment

The 25th Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War.

Service
The 25th Illinois Infantry was organized at Saint Louis, Missouri and mustered into Federal service on August 4, 1861.

The regiment was mustered out on September 5, 1864.

Total strength and casualties
The regiment suffered 3 officers and 80 enlisted men who were killed in action or who died of their wounds and 148 enlisted men who died of disease, for a total of 232 fatalities.

Commanders

 * Colonel William N. Coler - resigned on August 31, 1862.
 * Colonel Caswell P. Ford - resigned on April 14, 1863.
 * Colonel Thomas D. Williams - killed in action on December 31, 1862.
 * Colonel Richard H. Nodine - mustered out with the regiment.
 * Colonel William E. Woodruff