The 51st Regiment, Tennessee Infantry was organized at Henderson Station, Tennessee, in January, 1862. The 52nd was also organized at the same time with men from Tipton, Fayette, Shelby, Madison, and Jackson counties. A detachment of the 52nd was captured at Fort Donelson, then in October it was active in the fight at Perryville. Later the unit was assigned to D.S. Donelson's, M.J. Wright's, Vaughan's, and Palmer's Brigade. During April, 1862, it was consolidated with the 52nd Regiment and called the 51st Consolidated. However, the consolidation was declared illegal and during April, 1863, it was reorganized as the 51st and 52nd Consolidated Regiment and each unit kept separate records. It participated in many battles of the Army of Tennessee from Murfreesboro to Atlanta, returned to Tennessee with Hood, and was involved in the North Carolina Campaign.

The South Carolina 19th Infantry Regiment was organized during the winter of 1861-1862. It, along with the 18th was created as the last of the units formed in 1861 and did not participate in the early deployment. The 19th was involved the reorganization of the troops in the spring of 1862. They then moved to Mississippi, then to Kentucky where it saw action at Munfordsville. The 19th served with the Army of Tennessee from Murfreesboro to Atlanta, fought with Hood in Tennessee, and was active in the South Carolina Campaign and the North Carolina operations. The regiment lost 8 killed and 72 wounded at Murfreesboro, and the 10th/19th sustained 236 casualties at Chickamauga and totaled 436 men and 293 arms in December, 1863. During the Atlanta Campaign, July 22-28, the 19th reported 12 killed, 60 wounded, and 25 missing, and there were 9 killed, 34 wounded, and 8 missing at Ezra Church. It surrendered on April 26, 1865, with 76 men.