The 26th Illinois Infantry on January 1, 1864, had 515 men present for duty, of whom 463 re-enlisted as veterans and were granted a furlough.

At the end of the furlough, the regiment returned to the field with its ranks replenished with recruits.

After the fall of Atlanta on September 1–2, 1864, most of the regiment's original officers mustered out on the expiration of their terms of service.

[1] The regiment suffered 2 officers and 88 enlisted men who were killed in action or mortally wounded, and 2 officers and 194 enlisted men who died of disease, for a total of 286 fatalities.

This article about a specific military unit of the American Civil War is a stub.