| Unit Name: | Battery A, 1st Illinois Light Artillery Regiment |
| Dates: | April 17, 1861 to July 3, 1865 |
| Country: | United States |
| Allegiance: | Union |
| Branch: | Artillery |
| Battles: | Fall of Fort Donelson Battle of Shiloh Battle of Port Gibson Battle of Raymond Battle of Jackson Battle of Champion Hill Siege of Vicksburg Battle of Kennesaw Mountain Battle of Atlanta Battle of Nashville |
Battery A, 1st Illinois Light Artillery Regiment, originally known as "Smith's Chicago Light Artillery," was an artillery battery that served in the Union Army during the American Civil War.
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.[1]
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.[1]