Armies at Antietam > Army of Northern Virginia > Longstreet’s Command
Commanded by Major General Lafayette McLaws
| Barksdale’ Brigade | Brigadier General William Barksdale | |
| 13th Mississippi Infantry Regiment | Lieutenant Colonel Kennon McElroy | |
| 17th Mississippi Infantry Regiment | Lieutenant Colonel John C. Fiser | |
| 18th Mississippi Infantry Regiment | Major James C. Campbell Lieutenant Colonel William H. Luse |
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| 21st Mississippi Infantry Regiment | Captain John Sims Colonel Benjamin C. Humphreys (1) |
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| Cobb’s Brigade | Lieutenant Colonel Christopher C. Sanders Lieutenant Colonel William MacRae (2) |
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| 16th Georgia Infantry Regiment | Lieutenant Colonel Henry P. Thomas | |
| 24th Georgia Infantry Regiment | Major R.E. McMillan (w) | |
| 15th North Carolina Infantry Regiment | Lieutenant Colonel William MacRae (^) | |
| Cobb’s (Georgia) Legion | Lieutenant Colonel Luther J. Glenn (3) | |
| Kershaw’s Brigade | Brigadier General J.B. Kershaw | |
| 2nd South Carolina Infantry Regiment | Colonel John D. Kennedy (w) Major Franklin Gaillard |
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| 3rd South Carolina Infantry Regiment | Colonel James D. Nance | |
| 7th South Carolina Infantry Regiment | Colonel David Wyatt Aiken (w & c) Major William C. White (k) Captain John S. Hard (4) |
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| 8th South Carolina Infantry Regiment | Lieutenant Colonel A. J. Hoole (5) | |
| Semmes’ Brigade | Brigadier General Paul J. Semmes | |
| 10th Georgia Infantry Regiment | Captain Philologus H. Loud (6)(w) Captain William F. Johnston (7)(w) |
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| 53rd Georgia Infantry Regiment | Lieutenant Colonel Thomas Sloan (mw & c) Captain Samuel W. Marshborne |
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| 15th Virginia Infantry Regiment | Captain Edward M. Morrison (w & c) Captain Edward J. Willis |
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| 32nd Virginia Infantry Regiment | Colonel Edgar B. Montague | |
| Artillery | Major Samuel P. Hamilton (8) Colonel Henry C. Cabell |
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| Pulaski (Georgia) Artillery | Captain John P. W. Read | |
| 1st North Carolina Artillery, Battery A | Captain Basil C. Manly | |
| Richmond (Fayette) Artillery | Captain Miles C. Macon Lieutenant William I. Clopton |
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| Richmond Howitzers, 1st Company | Captain Edward S. McCarthy | |
| Troup (Georgia) Artillery | Captain Henry H. Carlton |
Key:
(k) = killed, (w) = wounded, (mw) = mortally wounded, (c) = captured (^) = took over parent unit
Links for regiments, batteries, companies, and individuals go to unit histories or biographies on www.civilwarintheeast.com
Notes:
(1) Colonel Humphreys was sick at the time of the battle but reached the battlefield by the end of the day. Captain Sims remained in command but Humphreys “cheered and animated the whole brigade”
(2) When Lt. Colonel Sanders’ 24th Georgia withdrew from the fighting Lt. Colonel MacRae temporarily took command of those regiments of the brigade still in line of battle
(3) Lieutenant Colonel Jefferson M. Lamar was mortally wounded at Crampton’s Gap on South Mountain on 9/14.
(4) Captain Hard was 19 years old
(5) Colonel John W. Henagen was wounded at Harpers Ferry on 9/13
(6) Major Willis C. Holt was wounded at Crampton’s Gap on South Mountain on 9/14
(7) Captain Loud took over command when Major Holt was wounded on 9/14, but Captain Johnston is listed as commanding at Sharpsburg, with Loud “assisting.” Both captains were wounded and left the field.
(8) Colonel Cabell had been absent sick but joined the army mid-battle and resumed his command
(9) Captain Macon was probably still near Bolivar heights during the battle, while Lieutenant Clopton and one section of the battery were at Sharpsburg