The Tennessee 20th Infantry Regiment was organized during May and June, 1861, at Camp Trousdale, Tennessee, and in July contained 880 men. The regiment was ordered to Virginia in July 1861, reaching Bristol, Virginia when the order was countermanded and they were returned to General Zollicoffer. The 20th fought throughout the war with the Army of Tennessee and participated in every major battle from Shiloh through the end of the war in North Carolina. In the final reorganization of the Army April 9, 1865, the 20th, with 34 men left, formed part of the 4th Consolidated Tennessee Infantry Regiment commanded by Colonel Anderson Searcy. Companies Of The Tennessee 20th Infantry Regiment Many of the companies changed company letters when mustered into Confederate service. In the list below, the letters used in Confederate service are shown, with prior numbers indicated. Co. "A." "The Hickory Guards." Men from Nashville and Davidson County. Co. "B," formerly "C." Men from Nolensville and Williamson, Rutherford, and Davidson Counties. Co. "C," formerly "B." "The Sewanee Rifles." Men from Davidson County. Co. "D." Men from Williamson County. Co. "E," formerly "C." Men from Rutherford County, some from Williamson and Davidson Counties. Co. "F," formerly "E." Men from Sumner County. Co. "G," formerly "K." "The Perry Guards." Men from Perry, Wayne, Humphreys, and Hickman Counties. Co. "H." Men from Williamson County. Co. "I," formerly "F." "The Hermitage Guards." Men from Hermitage, Davidson County. Co. "K," formerly "I." Men from Hartsville, (then in Sumner, now Trousdale County) Smith, Macon and Wilson Counties.

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 20th Mississippi Volunteer Infantry Regiment - .was organized during the late summer of 1861 with men from Bolivar, Monroe, Noxubee, Adams, Scott, Carroll, and Newton counties. The unit moved to Virginia, then Tennessee where in February, 1862, it was captured at Fort Donelson on February 16 and held until April, 1862. In this engagement it lost 19 killed and 60 wounded of the 31 officers and 469 men present. The regiment was exchanged and assigned to Tilghman's and J. Adams' Brigade, Department of Mississippi and East Louisiana. For a time it served in the Vicksburg area, then transferred to the Army of the Tennessee. Placed in J. Adams' and Lowry's Brigade, the 20th was involved in the Atlanta and Tennessee Campaigns In April, 65 it was consolidated and designated the 15th Miss Infantry, but the war was essentially over that same month. and ended the war in North Carolina. Only a remnant surrendered on April 26, 1865. Company A -- Miles McGehee Rifles (raised in Bolivar County, MS) Company B -- Hamilton Guards (raised in Monroe County, MS) Company C -- Carroll Guards (raised in Carroll County, MS) Company D -- Noxubee Rifleman, aka Noxubee Rifles (raised in Noxubee County, MS) Company E -- Adams Rifles (raised in Harrison County, MS) Company F -- Forest Guards (raised in Scott County, MS) Company G -- Barksdale Greys (raised in Winston County, MS) Company H -- Morton Pine Knots (raised in Scott County, MS) Company I -- Jasper Rifles (raised in Jasper County, MS) Company K -- Capt. Oldham's Company (raised in Attala County, MS)

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.

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 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.