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 [ ]
Military rank [ ]
Other [ ]
Army of the Potomac [ ]
MG George McClellan
General Staff and Headquarters [ ]
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:
I Corps [ ]
MG Joseph Hooker (w )
BG George G. Meade[8]
Escort:
Division
Brigade
Regiments and Others
First Division
BG Abner Doubleday
1st Brigade
Col Walter Phelps, Jr.
22nd New York : Ltc John McKie, Jr.
24th New York : Cpt John D. O'Brian (w )
30th New York : Col William M. Searing
84th New York (14th Militia) : Maj William H. de Bevoise
2nd United States Sharpshooters : Col Henry A. V. Post (w )
2nd Brigade
Ltc J. William Hofmann
7th Indiana : Maj Ira G. Grover
76th New York : Cpt John W. Young
95th New York : Maj Edward Pye
56th Pennsylvania : Cpt Frederick Williams
3rd Brigade
BG Marsena R. Patrick
21st New York : Col William F. Rogers
23rd New York : Col Henry C. Hoffman
35th New York : Col Newton B. Lord
80th New York (20th Militia): Ltc Theodore B. Gates
4th Brigade
BG John Gibbon
19th Indiana : Ltc Alois O. Bachman (k ), Cpt William W. Dudley
2nd Wisconsin : Ltc Thomas S. Allen (w ), Cpt George B. Ely
6th Wisconsin : Ltc Edward S. Bragg (w ), Maj Rufus R. Dawes
7th Wisconsin : Cpt John B. Callis
Artillery
Cpt J. Albert Monroe
Second Division
BG James B. Ricketts [9] (w )
1st Brigade
BG Abram Duryée
97th New York : Maj Charles B. Northrup
104th New York : Maj Lewis C. Skinner
105th New York : Col Howard Carroll (mw ), Cpt John C. Whiteside
107th Pennsylvania : Cpt James McThomson
2nd Brigade[10]
Col William H. Christian
Col Peter Lyle
26th New York : Ltc Richard H. Richardson
94th New York : Ltc Calvin Littlefield
88th Pennsylvania : Ltc George W. Gile (w ), Cpt Henry B. Myers
90th Pennsylvania : Col Peter Lyle (w ), Ltc William A. Leech
3rd Brigade[11]
BG George L. Hartsuff (w )
Col Richard Coulter
12th Massachusetts : Maj Elisha Burbank (mw ), Cpt Benjamin F. Cook
13th Massachusetts : Maj J. Parker Gould
83rd New York (9th Militia): Ltc William Atterbury
11th Pennsylvania : Col Richard Coulter, Cpt David M. Cook
Artillery
Third Division
BG George G. Meade [8]
BG Truman Seymour
1st Brigade
BG Truman Seymour
Col Richard Biddle Roberts
2nd Brigade
Col Albert Magilton
3rd Brigade
Ltc Robert Anderson
Artillery[12]
II Corps [ ]
MG Edwin V. Sumner
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
MG Israel B. Richardson (mw )
BG John C. Caldwell
BG Winfield S. Hancock[13]
1st Brigade
BG John C. Caldwell
5th New Hampshire : Col Edward E. Cross (w )
7th New York : Cpt Charles Brestel
61st and 64th New York : Col Francis C. Barlow (w ), Ltc Nelson A. Miles
81st Pennsylvania : Maj H. Boyd McKeen
2nd Brigade
BG Thomas F. Meagher (w )
Col John Burke
29th Massachusetts : Ltc Joseph H. Barnes
63rd New York : Col John Burke , Ltc Henry Fowler (w ), Maj Richard C. Bentley (w ), Cpt Joseph O'Neill
69th New York : Ltc James Kelly (w ), Maj James Cavanagh
88th New York : Ltc Patrick Kelly
3rd Brigade
Col John R. Brooke
2nd Delaware : Cpt David L. Stricker
52nd New York : Col Paul Frank
57th New York : Ltc Philip S. Parisen (k ), Maj Alford B. Chapman
66th New York : Cpt Julius Wehle
53rd Pennsylvania : Ltc Richards McMichael
Artillery
Second Division
MG John Sedgwick (w )
BG Oliver O. Howard
1st Brigade
BG Willis A. Gorman
2nd Brigade
BG Oliver O. Howard
Col Joshua T. Owen
Col DeWitt C. Baxter [14]
69th Pennsylvania : Col Joshua T. Owen
71st Pennsylvania : Col Isaac J. Wistar (w )
72nd Pennsylvania : Col DeWitt C. Baxter
106th Pennsylvania : Col Turner G. Morehead
3rd Brigade
BG Napoleon J. T. Dana (w )
Col Norman J. Hall
19th Massachusetts : Col Edward W. Hinks (w ), Ltc Arthur F. Devereux (w ), Cpt H. G. Weymouth
20th Massachusetts : Col William R. Lee
7th Michigan : Col Norman J. Hall , Cpt Charles J. Hunt
42nd New York : Ltc George N. Bomford (w ), Maj James E. Mallon
59th New York : Col William L. Tidball
Artillery
Third Division
BG William H. French
1st Brigade
BG Nathan Kimball
2nd Brigade
Col Dwight Morris
14th Connecticut : Ltc Sanford H. Perkins
108th New York : Col Oliver H. Palmer
130th Pennsylvania : Col Henry I. Zinn
3rd Brigade
BG Max Weber (w )
Col John W. Andrews
1st Delaware : Col John W. Andrews, Ltc Oliver Hopkinson (w )
5th Maryland : Maj Leopold Blumenberg (w ), Cpt William W. Bamberger (w ), Cpt Salome Marsh (w&c ), Cpt Ernest F. M. Faehtz
4th New York : Ltc John D. MacGregor
Unattached Artillery
1st New York Light, Battery G : Cpt John D. Frank
1st Rhode Island Light, Battery B : Cpt John G. Hazard
1st Rhode Island Light, Battery G : Cpt Charles D. Owen
IV Corps [ ]
Division
Brigade
Regiments and Others
First Division[15]
MG Darius N. Couch
1st Brigade
BG Charles Devens
7th Massachusetts : Col David A. Russell
10th Massachusetts : Col Henry L. Eustis
36th New York : Col William H. Browne
2nd Rhode Island : Col Frank Wheaton
2nd Brigade
BG Albion P. Howe
62nd New York : Col David J. Nevin
93rd Pennsylvania : Col James M. McCarter
98th Pennsylvania : Col John F. Ballier
102nd Pennsylvania : Col Thomas A. Rowley
139th Pennsylvania :[16] Col Frank H. Collier
3rd Brigade
BG John Cochrane
Artillery
V Corps [ ]
MG Fitz John Porter [18]
Escort:
1st Maine Cavalry (detachment): Cpt George J. Summat
Division
Brigade
Regiments and Others
First Division
MG George W. Morell
1st Brigade
Col James Barnes
2nd Brigade
BG Charles Griffin
2nd District of Columbia : Col Charles M. Alexander
9th Massachusetts : Col Patrick R. Guiney
32nd Massachusetts : Col Francis J. Parker
4th Michigan : Col Jonathan W. Childs
14th New York : Col James McQuade
62nd Pennsylvania : Col Jacob B. Sweitzer
3rd Brigade
Col T.B.W. Stockton
20th Maine : Col Adelbert Ames
16th Michigan : Ltc Norval E. Welch
12th New York : Cpt William Huson
17th New York : Ltc Nelson B. Bartram
44th New York : Maj Freeman Conner
83rd Pennsylvania : Cpt Orpheus S. Woodward
Michigan Sharpshooters, Brady's Company : Lt Jonas H. Titus Jr.
Artillery
Sharpshooters
Second Division
BG George Sykes
1st Brigade
Ltc Robert C. Buchanan
3rd United States : Cpt John D. Wilkins
4th United States : Cpt Hiram Dryer
12th United States , 1st Battalion: Cpt Matthew M. Blunt
12th United States, 2nd Battalion: Cpt Thomas M. Anderson
14th United States , 1st Battalion: Cpt W. Harvey Brown
14th United States, 2nd Battalion: Cpt David B. McKibbin
2nd Brigade
Maj Charles S. Lovell
3rd Brigade
Col Gouverneur K. Warren
Artillery
Third Division[19]
BG Andrew A. Humphreys
1st Brigade
BG Erastus B. Tyler
91st Pennsylvania : Col Edgar M. Gregory
126th Pennsylvania : Col James G. Elder
129th Pennsylvania : Col Jacob G. Frick
134th Pennsylvania : Col Matthew S. Quay
2nd Brigade
Col Peter H. Allabach
123rd Pennsylvania : Col John B. Clark
131st Pennsylvania : Ltc William B. Shaut
133rd Pennsylvania : Col Franklin B. Speakman
155th Pennsylvania : Col Edward J. Allen
Artillery
Artillery Reserve
Ltc William Hays
VI Corps [ ]
MG William B. Franklin
Escort:
6th Pennsylvania Cavalry, Companies B and G: Cpt Henry P. Muirheid
Division
Brigade
Regiments and Others
First Division
MG Henry W. Slocum
1st Brigade
Col Alfred T. A. Torbert
1st New Jersey : Ltc Mark W. Collet
2nd New Jersey : Col Samuel L. Buck
3rd New Jersey : Col Henry W. Brown
4th New Jersey : Col William B. Hatch
2nd Brigade
Col Joseph J. Bartlett
5th Maine : Col Nathaniel J. Jackson
16th New York : Ltc Joel J. Seaver
27th New York : Ltc Alexander D. Adams
96th Pennsylvania : Col Henry L. Cake
3rd Brigade
BG John Newton
18th New York : Ltc George R. Myers
31st New York : Ltc Francis H. Pinto
32nd New York : Col Roderick Matheson
95th Pennsylvania : Col Gustavus W. Town
Artillery
Cpt Emory Upton
Second Division
MG William F. Smith
1st Brigade
BG Winfield S. Hancock [13]
Col Amasa Cobb
6th Maine : Col Hiram Burnham
43rd New York : Maj John Wilson
49th Pennsylvania : Ltc William Brisbane
137th Pennsylvania : Col Henry M. Bossert
5th Wisconsin : Col Amasa Cobb
2nd Brigade
BG William T. H. Brooks
2nd Vermont : Maj James H. Walbridge
3rd Vermont : Col Breed N. Hyde
4th Vermont : Ltc Charles B. Stoughton
5th Vermont : Col Lewis A. Grant
6th Vermont : Maj Oscar L. Tuttle
3rd Brigade
Col William H. Irwin
7th Maine : Maj Thomas W. Hyde
20th New York : Col Ernst von Vegesack
33rd New York : Ltc Joseph W. Corning
49th New York : Ltc William C. Alberger (w ), Maj George W. Johnson
77th New York : Cpt Nathan S. Babcock
Artillery[17]
Cpt Romeyn B. Ayres
Maryland Light, Battery B: Lt Theodore J. Vanneman
New York Light, 1st Battery: Cpt Andrew Cowan
5th United States, Battery F: Lt Leonard Martin
IX Corps [ ]
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
BG Orlando B. Willcox
1st Brigade
Col Benjamin C. Christ
28th Massachusetts : Cpt Andrew P. Caraher
17th Michigan : Col William H. Withington
79th New York : Ltc David Morrison
50th Pennsylvania : Maj Edward Overton, Jr. (w ), Cpt William H. Diehl
2nd Brigade
Col Thomas Welsh
8th Michigan :[21] Ltc Frank Graves, Maj Ralph Ely
46th New York : Ltc Joseph P. Gerhardt
45th Pennsylvania : Ltc John I. Curtin
100th Pennsylvania : Ltc David A. Leckey
Artillery
Second Division
BG Samuel D. Sturgis
1st Brigade
BG James Nagle
2nd Brigade
BG Edward Ferrero
21st Massachusetts : Col William S. Clark
35th Massachusetts : Ltc Sumner Carruth (w )
51st New York : Col Robert B. Potter
51st Pennsylvania : Col John F. Hartranft
Artillery
Third Division
BG Isaac P. Rodman (mw )
Col Edward Harland [22]
MG John G. Parke [23]
1st Brigade
Col Harrison S. Fairchild
9th New York : Ltc Edgar A. Kimball
89th New York : Maj Edward Jardine
103rd New York : Maj Benjamin Ringold
2nd Brigade
Col Edward Harland
Artillery
Kanawha Division
Col Eliakim P. Scammon
1st Brigade
Col Hugh B. Ewing
12th Ohio : Col Carr B. White
23rd Ohio : Maj James M. Comly
30th Ohio : Ltc Theodore Jones (w&c ), Maj George H. Hildt
Ohio Light Artillery, 1st Battery : Cpt James R. McMullin
Gilmore's Company, West Virginia Cavalry: Lt James Abraham
Harrison's Company, West Virginia Cavalry: Lt Dennis Delaney
2nd Brigade
Col George Crook
11th Ohio : Ltc Augustus H. Coleman (k ), Maj Lyman J. Jackson
28th Ohio : Ltc Gottfried Becker
36th Ohio : Ltc Melvin Clarke (k ), Maj Ebenezer B. Andrews
Schambeck's Company Chicago Dragoons: Cpt Frederick Schambeck
Kentucky Light Artillery, Simmonds' Battery : Cpt Seth J. Simmonds
Unattached troops
6th New York Cavalry (8 companies): Col Thomas C. Devin
Ohio Cavalry, 3rd Independent Company: Lt Jonas Seamen
3rd United States, Batteries L and M: Cpt John Edwards, Jr.
2nd New York, Battery L : Cpt Jacob Roemer[24]
XII Corps [ ]
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
BG Alpheus S. Williams
BG Samuel W. Crawford (w )
BG George H. Gordon
1st Brigade[25]
BG Samuel W. Crawford
Col Joseph F. Knipe
10th Maine : Col George L. Beal (w )
28th New York : Cpt William H. H. Mapes
46th Pennsylvania : Col Joseph F. Knipe, Ltc James L. Selfridge
124th Pennsylvania : Col Joseph W. Hawley (w ), Maj Isaac L. Haldeman
125th Pennsylvania : Col Jacob C. Higgins
128th Pennsylvania : Col Samuel Croasdale (k ), Ltc William W. Hammersly (w ), Maj Joel B. Wanner
3rd Brigade
BG George H. Gordon
Col Thomas H. Ruger (w )
27th Indiana : Col Silas Colgrove
2nd Massachusetts : Col George L. Andrews
13th New Jersey : Col Ezra A. Carman
107th New York : Col Robert B. Van Valkenburg
Pennsylvania Zouaves d'Afrique[26]
3rd Wisconsin : Col Thomas H. Ruger
Second Division
BG George S. Greene
1st Brigade[27]
Ltc Hector Tyndale (w )
Maj Orrin J. Crane
5th Ohio : Maj John Collins
7th Ohio : Maj Orrin J. Crane, Cpt Frederick A. Seymour
66th Ohio : Ltc Eugene Powell (w )
28th Pennsylvania : Maj Ario Pardee, Jr.
2nd Brigade[28]
Col Henry J. Stainrook
3rd Maryland : Ltc Joseph H. Sudsburg
102nd New York : Ltc James C. Lane
111th Pennsylvania : Maj Thomas M. Walker (w )
3rd Brigade
Col William B. Goodrich (mw )
Ltc Jonathan Austin
3rd Delaware : Maj Arthur Maginnis (w ), Cpt William J. McKaig
Purnell (Maryland) Legion: Ltc Benjamin L. Simpson
60th New York : Ltc Charles R. Brundage
78th New York : Ltc Jonathan Austin, Cpt Henry R. Stagg
Artillery
Cpt Clermont L. Best
Cavalry [ ]
Division
Brigade
Regiments and Others
Cavalry Division
BG Alfred Pleasonton
1st Brigade
Maj Charles J. Whiting
5th United States : Cpt Joseph H. McArthur
6th United States : Cpt William P. Sanders
2nd Brigade
Col John F. Farnsworth
8th Illinois : Maj. William H. Medill
3rd Indiana : Maj George H. Chapman
1st Massachusetts : Cpt Caspar Crowninshield
8th Pennsylvania : Cpt Peter Keenan
3rd Brigade
Col Richard H. Rush
4th Pennsylvania : Col James H. Childs (k ), Ltc James K. Kerr
6th Pennsylvania : Ltc C. Ross Smith
4th Brigade
Col Andrew T. McReynolds
1st New York: Maj Alonzo W. Adams
12th Pennsylvania : Maj James A. Congdon
5th Brigade
Col Benjamin F. Davis
Horse Artillery
Unattached[29]
15th Pennsylvania (detachment): Col William J. Palmer
Notes [ ]
^ 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 [ ]
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.