The Fourth Alabama Painting by Don Troiani

First Brigade, Army of the Potomac

Colonel M Gregg, 1st Carolina Infantry

Colonel M Gregg, 1st Carolina Infantry

First South Carolina Infantry

Six months volunteers mustered out on 9 July, 1861, and not present at the first battle of Manassas.

COLONEL M GREGG
LIEUTENANT COLONEL D H HAMILTON
Lieutenant Colonel A H Gladden resigned in February 1861, to accept a seat in the Louisiana Secession Convention.

MAJOR A M SMITH

Company A Richland Rifles: CAPT. D B MILLER
The company was disbanded on 9 July, 1861, and reorganised as Company C, under the command of Captain J Cordero, on 30 August, 1861.
Company B Darlington Guards: CAPT. F F WARLEY
The company was organised at Darlington, South Carolina, and was formerly assigned to the 29th South carolina State Militia. The company was mustered in state service in january 1861, and was ordered to Sullivan's Island, Charleston Harbour. Captain F F Warley and other members declined service in Virginia in April 1861 and were disbanded on 26 April, 1861. The men, under the command of Captain F F Warley, returned to Darlington, South Carolina, in late April or early May 1861, and were reorganised as the Inglis Light Artillery. F F Warley asappointed captain on 24 June, 1861, and the company was assigned to the 2nd South Carolina Artillery, Company D. First Lieutenant D G McIntosh proceeded to Virginia with a detachment of the company and was disbanded at reorganisation in July 1861. The men were assigned to the Pee Dee Rifles, under the command of Captain D G McIntosh.
Company C Edgefield Rifles: CAPT. C ADAMS
The company was disbanded on 9 July, 1861, and was not reorganised in July 1861.
Company D Abbeville Volunteers: CAPT. J M PERRIN
The company declined service in Virginia and Captain F F Warley remained in command of Companies D, F, and G until disbanded on 26 April, 1861.
Company E Union District Volunteers: CAPT. J M GADBERRY
The company was disbanded on 9 July, 1861, and was not reorganised in July 1861.
Company F Wee Nee Volunteers: CAPT. J G PRESSLEY
The company declined service in Virginia and Captain F F Warley remained in command of Companies D, F, and G until disbanded on 26 April, 1861. The company was reorganised in May 1861, under the command of Captain R M Gourdin, as the 10th South Carolina Infantry, Company D.
Company G Hamburg Volunteers: CAPT. W SPIRES
The company declined service in Virginia and Captain F F Warley remained in command of Companies D, F and G until they were disbanded on 26 April, 1861.
Company H Cherokee Pond Guards: CAPT. R MERIWETHER
The company was disbanded on 9 July, 1861, and was not reorganised in July 1861.
Company I Monticello Guards: CAPT. J B DAVIS
The company was disbanded on 9 July, 1861, and was reorganised as the 15th South Carolina Infantry, Company E.
Company K Marion Volunteers: CAPT. M B STANLEY
The company was disbanded on 9 July, 1861, and reorganised as Company E, under the command of Captain W P Shooter, on 19 August, 1861.
Company L Rhett Guards: CAPT. W WALKER
The company was disbanded on 9 July, 1861, and reorganised as Company B on 17 August, 1861.
Company M Richardson Guards: CAPT. C H AXSON
Captain J Symon's resigned on 1 March, 1861, and organised the Sea Fencibles or Captain J Symon's Company, Naval Brigade, South Carolina Volunteers. The company replaced one of the three disbanded companies and was disbanded on 9 July, 1861. The company was reorganised as Company I, under the command of Captain C L Boag, on 7 September, 1861.
Company N DeKalb Rifle Guards: CAPT. T L BOYKIN
The company was assigned to the 2nd South Carolina Infantry until late April 1861, and declined service in Virginia (See the 2nd South Carolina Infantry). The company replaced one of the three disbanded companies and was disbanded on 9 July, 1861. The company was not reorganised in July 1861.
Company O Saluda Guard: CAPT. W M GIBBES
The company replaced one of the three disbanded companies and was disbanded on 9 July, 1861. The company was not reorganised in July 1861.

Sources

"The legislature had passed a bill on December 17th providing for the organization of ten regiments for the defense of the State, and the convention had ordered the formation of a regiment for six months' service, to be embodied at once, the governor to appoint the field officers. This last was "Gregg's First regiment," which was organised in January, 1861, and on duty on Sullivan's and Morris Islands by the 1st of February following."

Confederate military history, Volume 5, Chapter I

"The companies constituting the regiment rendezvoused, at various dates, in Charleston, whence they were distributed on Sullivan's and Morris' islands. They had all assembled by or about February 1, 1861. Col. Rivers states in his account: At this time volunteer companies for the regiment raised by order of the Convention rapidly came forward, the number of men amounting to 1,059, including officers. This was the 1st Regiment S. C. V., Col. Maxcy Gregg, commanding; Lieut. Col. A. H. Gladden and afterwards Lieut. Col. D. H. Hamilton; Maj. Aug. M. Smith; Co. A. Richland Rifles, Capt. D. B. Miller; Co. B, Darlington Guards, Capt. F[rederick] F[raser] Warley; Co. C. Edgefield Rifles, Capt. Cicero Adams; Co. D, Abbeville Volunteers, Capt. J[ames] M[onroe] Perrin; Co. E, Union Volunteers, Capt. J[ames] M. Gadbury[Gadberry]; Co. F, Wee Nee Volunteers (from Williamsburg), Capt. J. G. Pressley; Co. G, Hamburg Volunteers, Capt. Wm. Spires; Co. H, Cherokee Pond Volunteers, Capt. R. Merriweather; Co. I, Monticello Guards, Capt. J. B. Davis;[This may be Joseph Berry Davis who died in the war per Broken Fortunes] Co. K, Marion Volunteers, Capt. M. B. Stanley; Co. L, Rhett Guards (from Newberry), Capt. Whitfield Walker."

South Carolina troops in Confederate service, Volume I, by A S Salley

"Lieutenant Colonel Hamilton led the First Regiment with his usual gallantry of bearing, duly seconded by Major Smith, Lieutenant Ready (acting adjutant), and Captain McGowan, regimental quartermaster."

South Carolina's military organisations during the War Between the States: The Lowcountry & Pee Dee, by R S Seigler

Bound for glory: A brief history of the Darlington Rifles, precusor volunteer militia to Company A, Eighth South Carolina Volunter Infantry, C.S.A. Origin through First Manassas, by Elizabeth Hoole McArthur

South Carolina's military organisations during the War Between the States: The Midlands, by Robert S Seigler

Report of Colonel Maxey Gregg, First South Carolina Infantry, camp near Fairfax Courthouse, 18 June, 1861

Notes

The 1st South Carolina Infantry was accepted in State service for six months with eleven companies on 8 January, 1861.

Fort Sumter, Charleston Harbour, on 12 and 13 April, 1861: The 1st South Carolina Infantry was stationed on Morris Island, Charleston Harbour, during the bombardment of Fort Sumter on 12 and 13 April, 1861. After the fall of Fort Sumter, Charleston Harbour, the regiment was ordered to proceed to Charleston, South Carolina, on 24 April, 1861. President J Davis and Governor F W Pickens requested the 1st South Carolina Infantry volunteer for Confederate service in Virginia. Companies A, B, C, E, H, I, K, and L volunteered for Confederate service for the remainder of their six months state service on 19 April, 1861, and proceeded to Charleston, South Carolina, on 21 April, 1861. The companies were ordered to Richmond, Virginia, on 22 April, 1861, and the 1st South Carolina Infantry mustered in Confederate service on 23 April, 1861. Companies D, F, G, and a detachment of Company B declined Confederate service and were assigned to the command of Captain F F Warley, Company B, until disbanded at Morris Island, South Carolina, on 26 April, 1861. Companies M, N, and O were assigned to the 1st South Carolina Infantry to compensate to replace the disbandeded companies. Company M was detached from the 17th South Carolina State Militia in late April 1861; Company N, as part of the 2nd South Carolina Infantry, declined service in Virginia and was ordered to Richmond, Virginia, on 8 May, 1861; and Company O arrived in Virginia on 4 May, 1861.

Camp Pickens, Manassas Junction, 24 May, 1861: The 1st South Carolina Infantry was ordered to Camp Pickens, Manassas Junction, by railroad on 24 May, 1861, and was ordered to proceed to Fairfax Courthouse, Virginia.

Skirmish at Vienna, Virginia, 17 June, 1861: The 1st South Carolina Infantry was assigned to Colonel M Gregg's reconnaissance to the Potomac River on 16 June, 1861, and was engaged in a skirmish at Vienna, Virginia, on 17 June, 1861 (See the Vienna Expedition). The regiment was ordered to return to Fairfax Courthouse, Virginia, and arrived at 1 AM on 18 June, 1861.

Mustered out: The 1st South Carolina Infantry was assigned to the First Brigade, Army of the Potomac, under the command of Brigadier General M L Bonham, on 20 June, 1861, and was ordered to Fairfax Station, Virginia, on 29 June, 1861. The regiment was relieved by the 8th South Carolina Infantry stationed at Germantown, Virginia, and was ordered to Richmond, Virginia, between 2 and 3 July, 1861 (See the 8th South Carolina Infantry). The regiment arrived at Richmond, Virginia, on 4 July, 1861, and was mustered out on 9 July, 1861. The 11th North Carolina Infantry replaced the 1st South Carolina Infantry in the First Brigade, Army of the Potomac, on 18 July, 1861 (See the 11th North Carolina Infantry).

The 1st South Carolina Infantry was reorganised under the same field officers and mustered in Confederate service between 17 August and 7 September, 1861, with ten companies and Companies D and M were transferred to other commands.

The Pee Dee Rifles, Company D, was converted to artillery in March 1862 and designated the Pee Dee Light Artillery, under the command of Captain D G McIntosh, and assigned to the 18th South Carolina Battalion Artillery, Company C (2nd), on 4 June, 1864.

The Furman Guards, Company M, was converted to artillery on 13 October, 1861, and designated the Furman Artillery, under the command of Captain W H Campbell. The company was assigned to the 3rd South Carolina Battalion Artillery, Company A.