The Tennessee 12th Infantry Regiment was organized at Jackson, Tennessee, in May, 1861. Its members were recruited in Dyer and Gibson counties, and Company E contained men from Kentucky. The unit was assigned to B.R. Johnson's, P. Smith's, Vaughan's, and Palmer's Brigade. During June, 1862, the 22nd Regiment merged into the 12th, and in October, 1862, this command was consolidated with the 47th Regiment. This was thus one of the earliest regiments to be consolidated and it continued throughout the war known as the 12th Consolidated although several other units were also consolidated in as time went on. The 12th Consolidated fought throughout the war with the Army of Tennessee, surrendering in North Carolina. Companies Of The Tennessee 12th Infantry Regiment Co. "A," formerly "G." "The Newbern Blues." - Dyer County. Co. "B," formerly "C." - Gibson County. Co. "C," formerly "H." - Gibson County. Co. "D," formerly "B." - Gibson County. Co. "E," formerly "K." - Kentucky. Co. "F," formerly "A" - Gibson County. Co. "G," formerly "I." - Gibson County. Co. "H," formerly "E." "The Gibson Stars." - Gibson Countv. Co. "I," formerly "D." - Gibson County. Co, "K," formerly "F." - Gibson County.

The Tennessee 12th Infantry Regiment was organized at Jackson, Tennessee, in May, 1861. The companies composing the regiment first assembled at Jackson, where the regiment was organized as part of the Provisional Army of Tennessee. The unit was assigned to B.R. Johnson's, P. Smith's, Vaughan's, and Palmer's Brigade. During June, 1862, the 22nd Regiment merged into the 12th, and in October, 1862, this command was consolidated with the 47th Regiment. This was thus one of the earliest regiments to be consolidated and it continued throughout the war known as the 12th Consolidated although several other units were also consolidated in as time went on.Companies Of The Tennessee 12th Infantry RegimentCo. "A", formerly "G". "The Newbern Blues." Dyer County. Co. "B", formerly "C". Gibson County. Co. "C", formerly "H". Gibson County. Co. "D", formerly "B". Gibson County. Co. "E", formerly "K". Kentucky. Co. "F", formerly "A" Gibson County.Co. "G", formerly "I". Gibson County.Co. "H", formerly "E". "The Gibson Stars." Gibson Countv. Co. "I", formerly "D". Gibson County.Co, "K", formerly "F". Gibson County.

The Tennessee 12th Cavalry Regiment [also called 1st Partisan Rangers] was organized behind Federal lines in February, 1863. The men were from the counties of Fayette, Tipton, Shelby, Haywood, and Gibson. It served R.V. Richardson's and Rucker's Brigade, confronted the Federals in Tennessee and Mississippi, and in October totaled about 300 effectives. Later it was active in Georgia, fought at Memphis, then was part of Hood's operations in Tennessee. During February, 1865, the regiment was broken up. Some of its members became part of the 3rd (Forrest's Old) Tennessee Cavalry. Companies Of The Tennessee 12th Cavalry Regiment Co. ""A"". Fayette County. Co. ""B"". Fayette County. Co. ""C"". Tipton County. Co. ""D"". Shelby County. Co. ""E"". Shelby County. Co. ""F"". Fayette County. Co. ""G"". Tipton County. Co. ""H"". Fayette County. Co. ""I"". Haywood County. Co. ""K"". Fayette County.

The Tennessee 45th Infantry Regiment was organized at Camp Trousdale, Tennessee, in December, 1861. It participated in the Battle of Shiloh, was active at Baton Rouge, then served in the Jackson area. Later it was assigned to J.C. Brown's, Brown's and Reynolds' Consolidated, and Palmer's Brigade, Army of Tennessee. In November, 1863, it was consolidated with the 23rd Infantry Battalion. The regiment took an active part in the campaigns of the army from Murfreesboro to Atlanta, moving with General Hood back into Tennessee, but it was not engaged at Franklin and Nashville. It ended the war in North Carolina. The unit sustained 112 casualties at Murfreesboro, lost forty-three percent of the 226 at Chickamauga, and reported 12 men disabled at Missionary Ridge. The 45th/23rd Battalion totaled 316 men and 340 arms in December, 1863. Few surrendered in April, 1865.

The Tennessee 2nd Infantry Regiment Volunteers [also called the Irish Regiment] was comprised of men from Memphis, Tennessee, and completed its organization at that city in May, 1861. In July totaling 541 effectives, it moved to Fort Pillow. It reported 18 killed, 64 wounded, and 33 missing at Belmont and suffered heavy casualties at Shiloh. Later the unit was consolidated into four companies and merged into Smith's 5th Confederate Infantry Regiment.

The Tennessee 47th Infantry Regiment was organized December 16, 1861; reorganized May 8, 1862; consolidated with the 12th Infantry Regiment October, 1862; formed part of Company "D", 2nd Consolidated Tennessee Infantry Regiment. The regiment fought throughout the war from Shiloh to Bentonville with the Army of Tennessee. It was paroled at Greensboro, North Carolina May 2, 1865. Companies of the Tennessee 47th Infantry Regiment -Company A enlisted at Troy, Obion County, James White was elected captain. -Company B enlisted at Donaldson's, near Gibson Wells, Gibson County. It consisted of men from Dyer and Gibson County and had William Gay as its captain -Company C enlisted at Dyersburg, Dyer County, Vincent G. Wynne was captain.( later lieutenant colonel) -Company D also enlisted at Dyersburg with William M. Watkins captain (later colonel) Company E enlisted at Dyersburg with George Miller as captain. -Company F enlisted at Humboldt, Gibson County, Jesse Booth was elected captain. -Company G enlisted at Trenton with Thomas Carthel, captain. -Company H enlisted in Kenton, on the Obion, Gibson County line. B. E. Holmes was captain. -Company I was from Troy, W.S. Moore was captain. -Company K enlisted at Yorkville, Gibson County and Green Holmes was captain.

The Tennessee 63rd Infantry Regiment [also called 74th Regiment] was organized in July, 1862. The men were from the counties of Claiborne, Roane, Washington, Knox, Hawkins, and Sullivan. It served in General Gracie's, B.R. Johnson's, and McComb's Brigade. The unit fought at Chickamauga and in the Knoxville Campaign, then joined the Army of Northern Virginia during the spring of 1864. It went on to participate in the conflict at Drewry's Bluff, the long Petersburg siege north of the James River, and the Appomattox Campaign. It lost more than fifty percent of the 404 engaged at Chickamauga, had 19 disabled at Bean's Station, and on April 8, 1864, totalled 405 men. At Drewry's Bluff the regiment reported 311 effectives and on April 9, 1865, surrendered 4 officers and 57 men.Companies - William H. Fulkerson (to major), Henley Fugate, Co. "A." Organized April 15, 1862 in Claiborne County.- William Lyon, Amos M. Hardin, Co. "B." Organized May 12 at Knoxville, from Roane County. Some men were formerly in the 26th Tennessee Infantry, others from Co. "E," 3rd Tennessee Cavalry Battalion.- Richard Fain Powel, Co. "C." Organized May 12 at Rogersville, Hawkins County. Also called "B" when first assigned.- A. A. Blair, James R. McCallum, Co. "D." Organized May 13 at Jonesboro, Washington County, with some men from Knox and Hawkins Counties. "The Kirby Smith Rifies."- Crockett R. Millard, Co. "E." Originally organized June 6, 1861 as Co. "K," 3rd (Vaughn's) Tennessee Infantry Regiment from Sullivan County. In the first Battle of Manassas. Reorganized May 14, 1862.- A. M. Millard, Co. "F." Organized May 14, 1862, from Sullivan County. Also called "G" when first assigned. Some men from 26th Tennessee Infantry.- F. A. Dyer, William H. Wilkerson, Co. "G." Organized May 6, 1862 at Knoxville. Also called "E" when first assigned. Some men from cavalry, some from 26th Tennessee Infantry.- B. F. Brittain, Co. "H." Organized May 16, 1862 at Cleveland, Bradley County. Formerly Co. "C" 1st (Rogers') East Tennessee Cavalry Regiment, Captain William L. Brown.- James T. Gillespie, John A. Gammon, Co. "I." Organized June 14, 1862 at Jonesboro, Washington County. Mustered in as an independent company of cavalry but transferred to infantry July 17, 1862 by General E. K. Smith.- John W. Robertson, Co. "K." Organized July 19, 1862 at Jonesboro, Washington County. Some men from Companies "D" and "G" were transferred to this company.