Stewart's Independent Cavalry Battalion
The Stewart's Independent Cavalry Battalion (Illinois) was a cavalry battalion that served in the Union Army during the American Civil War.

Service
Stewart's Battalion was consolidated in 1861 at Jackson, Tennessee from Stewart's Independent Cavalry Company as Company "A;" Carmichael's Independent Cavalry Company as Company "B;" Dollins' Independent Cavalry Company  as Company "C;" O'Harnett's Independent Cavalry Company as Company "D"; Hutchins' Independent Cavalry Company as Company "E."

The battalion was transferred to the 15th Regiment Illinois Volunteer Cavalry on December 25, 1862 as Companies "A," "B," "C," "D," "E" and "F".

Total strength and casualties

Commanders