Battle of Antietam order of battle: Union
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The following Union Army units and commanders fought in the Battle of Antietam of the American Civil War. The Confederate order of battle is listed separately. Order of battle compiled from the army organization[1] during the Maryland Campaign,[2] the casualty returns[3] and the reports.[4]
Abbreviations used[edit]
Military rank[edit]
- MG = Major General
- BG = Brigadier General
- Col = Colonel
- Ltc = Lieutenant Colonel
- Maj = Major
- Cpt = Captain
- Lt = Lieutenant
Other[edit]
- w = wounded
- mw = mortally wounded
- k = killed in action
- c = captured
Army of the Potomac[edit]
General Staff and Headquarters[edit]
General Staff
- Chief of Staff: BG Randolph B. Marcy
- Assistant Adjutant General: BG Seth Williams
- Inspector General: BG Delos B. Sackett
- Chief of Artillery: BG Henry J. Hunt
- Chief Quartermaster: Ltc Rufus Ingalls
General Headquarters[5]
Escort: Cpt James B. McIntyre
- Independent Company Oneida (New York) Cavalry: Cpt Daniel P. Mann
- 4th United States Cavalry, Company A: Lt Thomas H. McCormick
- 4th United States Cavalry, Company E: Cpt James B. McIntyre
U.S. Engineer Battalion: Cpt James C. Duane
Provost Guard:[6] Maj William H. Wood
- 2nd United States Cavalry, Companies E, F, H, and K: Cpt George A. Gordon
- 8th United States, Companies A, D, F, and G: Cpt Royal T. Frank
- 19th United States, Company G: Cpt Edmund L. Smith
- 19th United States, Company H: Cpt Henry S. Welton
Headquarters Guard:[7] Maj Granville O. Haller
- 93rd New York: Ltc Benjamin C. Butler
Quartermaster's Guard:
- 1st United States Cavalry, Companies B, C, H, and I: Cpt Marcus A. Reno
I Corps[edit]
MG Joseph Hooker (w)
BG George G. Meade[8]
Escort:
- 2nd New York Cavalry, Companies A, B, I and K: Cpt John E. Naylor
| Division | Brigade | Regiments and Others |
|---|---|---|
|
First Division
|
1st Brigade |
|
| 2nd Brigade
|
| |
| 3rd Brigade |
| |
| 4th Brigade
|
| |
| Artillery
|
| |
|
Second Division
|
1st Brigade
|
|
| 2nd Brigade[10]
|
| |
| 3rd Brigade[11]
|
| |
| Artillery |
| |
| 1st Brigade
|
| |
| 2nd Brigade
|
| |
| 3rd Brigade
|
| |
| Artillery[12] |
|
II Corps[edit]
Escort:
- 6th New York Cavalry, Company D: Cpt Henry W. Lyon
- 6th New York Cavalry, Company K: Cpt Riley Johnson
| Division | Brigade | Regiments and Others |
|---|---|---|
|
First Division
|
1st Brigade |
|
| 2nd Brigade
|
| |
| 3rd Brigade
|
| |
| Artillery |
| |
|
Second Division
|
1st Brigade |
|
| 2nd Brigade
|
||
| 3rd Brigade
|
| |
| Artillery |
| |
|
Third Division
|
1st Brigade |
|
| 2nd Brigade
|
| |
| 3rd Brigade
|
| |
| Unattached Artillery |
|
IV Corps[edit]
| Division | Brigade | Regiments and Others |
|---|---|---|
|
First Division[15]
|
1st Brigade |
|
| 2nd Brigade |
| |
| 3rd Brigade |
| |
| Artillery |
|
V Corps[edit]
Escort:
- 1st Maine Cavalry (detachment): Cpt George J. Summat
VI Corps[edit]
Escort:
- 6th Pennsylvania Cavalry, Companies B and G: Cpt Henry P. Muirheid
| Division | Brigade | Regiments and Others |
|---|---|---|
|
First Division
|
1st Brigade |
|
| 2nd Brigade |
| |
| 3rd Brigade
|
| |
| Artillery
|
| |
|
Second Division
|
1st Brigade |
|
| 2nd Brigade |
| |
| 3rd Brigade
|
| |
| Artillery[17]
|
|
IX Corps[edit]
MG Ambrose Burnside[20]
BG Jacob D. Cox
Escort:
- 1st Maine Cavalry, Company G: Cpt Zebulon B. Blethen
| Division | Brigade | Regiments and Others |
|---|---|---|
|
First Division
|
1st Brigade |
|
| 2nd Brigade
|
| |
| Artillery |
| |
|
Second Division
|
1st Brigade
|
|
| 2nd Brigade | ||
| Artillery |
| |
|
Third Division
|
1st Brigade |
|
| 2nd Brigade
|
| |
| Artillery |
| |
| 1st Brigade
|
| |
| 2nd Brigade
|
| |
| Unattached troops |
|
XII Corps[edit]
MG Joseph K. Mansfield (mw)
BG Alpheus S. Williams
Escort:
- 1st Michigan Cavalry, Company L: Cpt Melvin Brewer
| Division | Brigade | Regiments and Others |
|---|---|---|
|
First Division
|
1st Brigade[25] |
|
| 3rd Brigade
|
| |
|
Second Division
|
1st Brigade[27]
|
|
| 2nd Brigade[28] |
| |
| 3rd Brigade
|
| |
| Artillery
|
|
Cavalry[edit]
| Division | Brigade | Regiments and Others |
|---|---|---|
| 1st Brigade |
| |
| 2nd Brigade |
| |
| 3rd Brigade
|
| |
| 4th Brigade |
| |
| 5th Brigade |
| |
| Horse Artillery |
| |
| Unattached[29] |
|
Notes[edit]
- ^ Multiple commander names indicate command succession of command during the battle or the campaign.
- ^ Official Records, Series I, Volume XIX, Part 1, pages 169-180; Antietam National Battlefield-Army of the Potomac
- ^ Official Records, Series I, Volume XIX, Part 1, pages 189-204
- ^ Official Records, Series I, Volume XIX, Part 1, pages 1111-1114, 1169-1171; Official Records, Series I, Volume LI, Part 1, pages 1312, 1391-1392
- ^ The Volunteer Engineer Brigade (15th and 50th New York) under Brigadier General Daniel P. Woodbury detached at Washington, D. C.
- ^ The composition of this command is not fully reported on the returns
- ^ Sturges (Illinois) Rifles detached at Washington, D. C.
- ^ a b Assigned to command of the I Corps, September 17, 1862 (see: Official Records, Series I, Volume XIX, Part 2, page 315)
- ^ For Ricketts being wounded see: John H. Eicher and David J. Eicher, Civil War High Commands, page 453
- ^ Colonel Christian left his command without explanation, after which Colonel Peter Lyle took over command (see [1]
- ^ 16th Maine detached as railroad guard
- ^ Battery G, 1st Pennsylvania Light Artillery detached at Washington, D. C.
- ^ a b Assigned to command of First Division, II Corps, September 17, 1862 (see: Official Records, Series I, Volume XIX, Part 2, page 316)
- ^ Assumed command after the brigade was reunited (see: Howard's report)
- ^ Served with the VI Corps; not engaged on September 17, 1862; assigned to the VI Corps as the Third Division September 26, 1862
- ^ Joined September 17, 1862
- ^ a b The 3rd Battery New York Light Artillery transferred to First Division, IV Corps September 15, 1862
- ^ In reserve; only a portion of the corps engaged
- ^ This division was organized September 12, 1862, and reached the battlefield September 18, 1862
- ^ On September 16th and 17th, 1862, Major General Burnside exercised general command on the left, and Brigadier General Cox was in immediate command of the corps. Major General Parke served as Burnside's Chief of Staff until September 17, 1862 (see: Burnside's report; John H. Eicher and David J. Eicher, Civil War High Commands, page 416). Lieutenant Colonel George W. Getty served as Chief of Artillery on Burnside's Staff (see: Burnside's report).
- ^ Transferred from First Brigade September 16, 1862
- ^ Antietam on the Web: Rodman's Division, Ninth Army Corps
- ^ John H. Eicher and David J. Eicher, Civil War High Commands, page 416; A Civil War Biography: John G. Parke
- ^ Johnson & Anderson 1995, p. 81. Roemer's battery fired 87 rounds.
- ^ 5th Connecticut detached at Frederick, Maryland, since September 15, 1862
- ^ No officers present; enlisted men of company attached to Second Massachusetts
- ^ 29th Ohio detached September 9, 1862
- ^ 109th Pennsylvania detached September 13, 1862
- ^ 1st Maine detached at Frederick, Maryland
References[edit]
- Antietam National Battlefield
- Eicher, John H., and David J. Eicher. Civil War High Commands. Stanford, California: Stanford University Press, 2001. ISBN 0-8047-3641-3.
- Johnson, Curt; Anderson, Richard C. Jr. (1995). Artillery Hell: The Employment of Artillery at Antietam. College Station, Tex.: Texas A&M University Press. ISBN 0-89096-623-0.
- U.S. War Department, The War of the Rebellion: a Compilation of the Official Records of the Union and Confederate Armies, U.S. Government Printing Office, 1880–1901.