Battery "A", 1st Regiment Illinois Volunteer Light Artillery

Battery "A", 1st Regiment Illinois Volunteer Light Artillery, originally known as "Smith's Chicago Light Artillery," was an artillery battery that served in the Union Army during the American Civil War.

Service
Battery "A" was mustered into service at Chicago, Illinois on April 17, 1861 for three months state service. The battery was reorganized for three years Federal service as Battery "A" on July 16, 1861.

The battery was mustered out on July 3, 1865.

Total strength and casualties
The battery lost 15 enlisted men who were killed in action or who died of their wounds and 22 enlisted men who died of disease, for a total of 37 fatalities.

Commanders

 * Captain James Smith - resigned November 27, 1861.
 * Captain Charles M. Willard - promoted to major.
 * Captain Francis Morgan - mustered out May 24, 1862.
 * Captain Peter P. Wood - mustered out July 23, 1864.