Barrett's Light Artillery [also called 10th Battery] was organized early in 1862 and sent east of the Mississippi River. It served in Kentucky, then was assigned to J. P. Anderson's Brigade, and later F. H. Robertson's and Waddell's Battalion of Artillery, Army of Tennessee. The unit fought with the army from Murfreesboro to Atlanta, was stationed at Macon, Georgia, in September, 1864, and captured at Columbus, Georgia, on April 16, 1865. It had 4 wounded at Murfreesboro and totaled 111 effectives in December, 1863, and 97 in April, 1864. However, the battery sustained heavy casualties during the Atlanta Campaign. Captain Overton M. Barrett was in command.