Battles /
GettysburgUnionOrderOfBattle
UNION COMMAND AT THE BATTLE OF
GETTYSBURG,PENNSYLVANIA
JULY 1-3, 1863
ARMY OF THE POTOMAC
MAJOR GENERAL GEORGE GORDON MEADE, COMMANDING
U.S.A.
ARMY HEADQUARTERS
Major General Daniel Butterfield,Chief of Staff
Brigadier General G.K. Warren, Chief of Engineers
Brigadier General Henry Hunt, Chief of Artillery
Brigadier General Marsena Patrick, Provost Marshall
Brigadier Seth Williams, Asst Adjutant General
Brigadier General Rufus Ingalls, Chief Qrt.master
Dr. Jonathan Letterman, Medical Director
Captain Lemuel Norton, Chief Signal Officer
Lieutenant John Edie, Acting Chief Ordnance Officer
COMMAND OF THE PROVOST MARSHALL
2nd. Pennsylvania Cavalry
6th. Pennsylvania Cavalry,Companies E and I
Regular Cavalry detatchments from the
1st.,2nd.,5th.,and
6th. Regiments
I FIRST ARMY CORP I
Major General John F. Reynolds
Major General Abner Doubleday
Major General John Newton
GENERAL HEADQUARTERS
1st. Maine Cavalry, Company L
FIRST DIVISION
Bridadier General James S. Wadsworth
FIRST BRIGADE SECOND BRIGADE
Brig.Gen. Solomon Meredith Brig.Gen. Lysander Cutler
19th. Indiana 7th. Indiana
24th. Michigan 76th. New York
2nd. Wisconsin 84th. New York
6th. Wisconsin 95th. New York
7th. Wisconsin 147th. New York
56th. Pennsylvania
SECOND DIVISION
Brigadier General John C. Robinson
FIRST BRIGADE SECOND BRIGADE
Brig.Gen. Gabriel R. Paul Brig.Gen. Henry Baxter
Colonel Samuel H. Leonard
Colonel Adrian R. Root
Colonel Richard Coulter
16th. Maine 12th. Massachusetts
13th. Massachusetts 83rd. New York
94th. New York 97th. New York
104th. New York 11th. Pennsylvania
107th. Pennsylvania 88th. Pennsylvania
90th. Pennsylvania
THIRD DIVISION
Brig.Gen. Thomas A. Rowley
Maj.Gen. Abner Doubleday
FIRST BRIGADE SECOND BRIGADE
Colonel Chapman Biddle Colonel Roy Stone
Brig.Gen. Thomas A. Rowley Colonel Langhorne Wister
Colonel Chapman Biddle Colonel Edmund L. Dana
80th. New York 143rd. Pennsylvania
121st. Pennsylvania 149th. Pennsylvania
142nd. Pennsylvania 150th. Pennsylvania
151st. Pennsylvania
THIRD BRIGADE
Brig.Gen. George G. Stannard
Colonel Francis Randall
13th. Vermont
14th. Vermont
16th. Vermont
ARTILLERY BRIGADE
Colonel Charles S. Wainwright
Maine Light,Battery B
Maine Light,Battery E
1st. New York,Batteries L & E
1st. Pennsylvania Light,Battery B
4th. United States,Battery B
II SECOND ARMY CORP II
Major General Winfield S. Hancock
Brigadier General John Gibbon
Major General Winfield S. Hancock
GENERAL HEADQUARTERS
6th. New York Cavalry,Companies D & K
FIRST DIVISION
Brigadier General John C. Caldwell
FIRST BRIGADE SECOND BRIGADE
Colonel Edward E. Cross Colonel Patrick Kelly
Colonel H. Boyd McKern
5th. New Hampshire 28th. Massachusetts
61st. New York 63rd. New York
81st. Pennsylvania 69th. New York
148th. Pennsylvania 88th. New York
116th. Pennsylvania
THIRD BRIGADE FOURTH BRIGADE
Brig.Gen. Samuel K. Zook Colonel John R. Brooke
Colonel H. Boyd McKeen
52nd. New York 27th. Connecticut
57th. New York 2nd. Delware
66th. New York 64th. New York
140th. Pennsylvania 53rd. Pennsylvania
145th. Pennsylvania
SECOND DIVISION
Brig.Gen John Gibbon
Brig.Gen. William Harrow
Brig.Gen. John Gibbon
FIRST BRIGADE SECOND BRIGADE
Brig.Gen. William Harrow Brig.Gen. Alexander Webb
Colonel Francis Heath
19th. Maine 69th. Pennsylvania
15th. Massachusetts 71st. Pennsylvania
1st. Minnesota 72nd. Pennsylvania
82nd. New York 106th. Pennsylvania
(unattached)
Massachusetts Sharpshooters
1st. Company
THIRD BRIGADE
Colonel Norman Hall
19th. Massachusetts
20th. Massachusetts
7th. Michigan
42nd. New York
59th. New York
THIRD DIVISION
Brigadier General Alexander Hays
FIRST BRIGADE SECOND BRIGADE
Colonel Samuel S. Carrol Colonel Thomas A. Smyth
Lt.Col.Francis Pierce
14th. Indiana 14th. Connecticut
4th. Ohio 1st. Delaware
8th. Ohio 12th. New Jersey
7th. W. Virginia 10th. New York
108th. New York
THIRD BRIGADE
Colonel George L. Willard
Colonel Eliakim Sherril
Lt.Colonel James M. Bull
39th. New York
111th. New York
125th. New York
126th. New York
ARTILLERY BRIGADE
Captain John G. Hazard
1st. New York Light,Battery B
and 14th. New York Battery
1st. Rhode Island Light,Battery A
1st. Rhode Island Light,Battery B
1st. United States,Battery I
4th. United States,Battery A
III THIRD ARMY CORP III
Major General Daniel E. Sickles
Major General David B. Birney
FIRST DIVISION
Major General David B. Birney
Brigadier General Hobart Ward
FIRST BRIGADE SECOND BRIGADE
Brig.Gen. Charles k. Graham Brig.Gen. Hobart Ward
Colonel Andew H. Tippon Colonel Hiram Berdan
57th. Pennsylvania 20th. Indiana
63rd. Pennsylvania 3rd. Maine
68th. Pennsylvania 4th. Maine
105th. Pennsylvania 86th. New York
114th. Pennsylvania 124th. New York
141st. Pennsylvania 99th. Pennsylvania
1st. United States
Sharpshooters
2nd. United States
Sharpshooters
THIRD BRIGADE
Colonel P. Regis De Trobriand
17th. Maine
3rd. Michigan
5th. Michigan
40th. New York
110th. Pennsylvania
SECOND DIVISION
Brigadier General Andrew A. Humphreys
FIRST BRIGADE SECOND BRIGADE
Brig.Gen. Joseph P. Carr Colonel William R. Brewster
1st. Massachusettes 70th. New York
11th. Massachusetts 71st. New York
16th. Massachusetts 72nd. New York
12th. New Hampshire 73rd. New York
11th. New Jersey 74th. New York
26th. Pennsylvania 120th. New York
THIRD BRIGADE
Colonel George C. Burling
2nd. New Hampshire
5th. New Jersey
6th. New Jersey
7th. New Jersey
8th. New Jersey
115th. Pennsylvania
ARTILLERY BRIGADE
Captain George C. Randolph
Captain A. Judson Clark
New Jersey Light,2nd.Battery
1st. New York Light,Battery D
New York Light,4th. Battery
1st. Rhode Island Light,Battery E
4th. United States,Battery K
V FIFTH ARMY CORP V
Major General George Sykes
GENERAL HEADQUARTERS
12th. New York Infantry,
Companies D & E
17th. Pennsylvania Cavalry,
Companies D & E
FIRST DIVISION
Brigadier General James Barnes
FIRST BRIGADE SECOND BRIGADE
Colonel William S. Tilton Colonel Jacob B. Sweitzer
18th. Massachusetts 9th. Massachusetts
22nd. Massachusetts 32nd. Massachusetts
1st. Michigan 4th. Michigan
118th. Pennsylvania 62nd. Pennsylvania
THIRD BRIGADE
Colonel Strong Vincent
Colonel James C. Rice
20th. Maine
16th. Michigan
44th. New York
83rd. Pennsylvania
SECOND DIVISION
Brigadier General Romeyn B. Ayers
FIRST BRIGADE SECOND BRIGADE
Colonel Hannibal Day Colonel Sidney Burbank
3rd. United States 2nd. United States
4th. United States 7th. United States
6th. United States 10th. United States
12th. United States 11th. United States
14th. United States 17th. United States
THIRD BRIGADE
Brig.Gen. Steven H. Weed
Colonel Kenner Garrard
140th. New York
146th. New York
91st. Pennsylvania
155th. Pennsylvania
THIRD DIVISION
Brigadier General Samuel W. Crawford
FIRST BRIGADE SECOND BRIGADE
Colonel William McCandles Colonel Joseph W. Fisher
1st. Pennsylvania Reserves 5th. Pennsylvania Reserves
2nd. Pennsylvania Reserves 9th. Pennsylvania Reserves
6th. Pennsylvania Reserves 10th. Pennsylvania Reserves
13th. Pennsylvania Reserves 11th. Pennsylvania Reserves
12th. Pennsylvania Reserves
ARTILLERY BRIGADE
Captain Augustus P. Martin
Massachusetts Light,Battery C
1st. New York, Battery C
1st. Ohio Light,Battery L
5th. United States,Battery D
5th. United States,Battery I
VI SIXTH ARMY CORP VI
Major General John Sedgwick
GENERAL HEADQUARTERS
1st. New York Cavalry,Company L
1st. Pennsylvania Cavalry,Company H
PROVOST GUARD
4th. New Jersey
FIRST DIVISION
Brigadier General Horatio C. Wright
FIRST BRIGADE SECOND BRIGADE
Brig.Gen. A.T.A. Torbert Brig.Gen. Joseph L.J. Barlett
1st. New Jersey 5th. Maine
2nd. New Jersey 121st. New York
3rd. New Jersey 95th. Pennsylvania
15th. New Jersey 96th. Pennsylvania
THIRD BRIGADE
Brig.Gen. David K. Russell
6th. Maine
49th. Pennsylvania
119th. Pennsylvania
5th. Wisconsin
SECOND DIVISION
Brigadier General Albion P. Howe
SECOND BRIGADE THIRD BRIGADE
Colonel Lewis A. Grant Brig.Gen. Thomas H. Neill
2nd. Vermont 7th. Maine
3rd. Vermont 33rd. New York
4th. Vermont 43rd. New York
5th. Vermont 49th. New York
6th. Vermont 77th. New York
61st. Pennsylvania
THIRD DIVISION
Major General John Newton
Brigadier General Frank Wheaton
FIRST BRIGADE SECOND BRIGADE
Brig.Gen Alexander Shaler Colonel Henry L. Eustis
65th. New York 7th. Massachusetts
67th. New York 10th. Massachusetts
122nd. New York 37th. Massachusetts
23rd. Pennsylvania 2nd. Rhode Island
82nd. Pennsylvania
THIRD BRIGADE
Brig.Gen. Frank Wheaton
Colonel Frank J. Nevin
62nd. New York
93rd. Pennsylvania
98th. Pennsylvania
139th. Pennsylvania
ARTILLERY BRIGADE
Colonel Charles H. Tompkins
Massachusetts Light,Battery A
New York Light,Battery A
New York Light,Battery C
1st. Rhode Island Light,Battery C
1st. Rhode Island Light,Battery G
2nd. United States,Battery D
2nd. United States,Battery G
5th. United States,Battery F
XI ELEVENTH ARMY CORP XI
Major General Oliver O. Howard
Major General Carl Schultz
Major General Oliver O. Howard
GENERAL HEADQUARTERS
1st. Indiana Cavalry,Companies I & K
8th. New York Infantry
FIRST DIVISION
Brigadier General Francis C. Barlow
Brigadier General Albert Ames
FIRST BRIGADE SECOND BRIGADE
Colonel Leopold Von Gilsa Brig.Gen. Albert Ames
Colonel Andrew L. Harris
41st. New York 17th. Connecticut
54th. New York 25th. Ohio
68th. New York 75th. Ohio
153rd. Pennsylvania 107th. Ohio
SECOND DIVISION
Brigadier General Adolph Von Steinwehr
FIRST BRIGADE SECOND BRIGADE
Colonel Charles R. Coster Colonel Orland Smith
134th. New York 33rd. Massachusetts
154th. New York 136th. New York
27th. Pennsylvania 55th. Ohio
73rd. Pennsylvania 73rd. Ohio
THIRD DIVISION
Major General Carl Schurz
Brigadier General Alexander Schimmelfenning
Major General Carl Schurz
FIRST BRIGADE SECOND BRIGADE
Brig. Gen. Alexander Schimmelfenning Colonel W. Krzyzanowski
Colonel George Von Amsberg
82nd. Illinois 58th. New York
45th. New York 119th. New York
157th. New York 82nd. Ohio
61st. Ohio 75th. Pennsylvania
74th. Pennsylvania 26th. Wisconsin
ARTILLERY BRIGADE
Major Thomas W. Osborn
1st. New York Light,Battery I
New York Light, 13th. Battery
1st. Ohio Light,Battery I
1st. Ohio Light,Battery K
4th. United States,Battery G
XII TWELFTH ARMY CORP XII
Major General Henry W. Slocum
Brigadier General Alpheus Williams
PROVOST GUARD
10th. Maine Infantry
FIRST DIVISION
Brigadier General Alpheus Williams
Brigadier General Thomas H. Ruger
FIRST BRIGADE SECOND BRIGADE
Colonel Archibald McDougall Brig.Gen. Henry Lockwood
5th. Connecticut 1st. Maryland, Potomac
20th. Connecticut Home Brigade
3rd. Maryland 1st. Maryland, Eastern
Shore
123rd. New York 150th. New York
145th. New York
46th. Pennsylvania
THIRD BRIGADE
Brig.Gen. Thomas H. Ruger
Colonel Silas Colgrove
27th. Indiana
2nd. Massachusetts
13th. New York
107th. New York
3rd. Wiscosin
SECOND DIVISION
Brigadier General John W. Geary
FIRST BRIGADE SECOND BRIGADE
Colonel Charles Candy Colonel George A. Corham
Brig.Gen. Thomas L. Kane
Colonel George A. Corham
5th. Ohio 29th. Pennsylvania
7th. Ohio 109th. Pennsylvania
29th. Ohio 111th. Pennsylvania
66th. 0hio 147th. Pennsylvania
28th. Pennsylvania
THIRD BRIGADE
Brig.Gen. George S. Greene
60th. New York
78th. New York
102nd. New York
137th. New York
149th. New York
ARTILLERY BRIGADE
Lieutenant Edward D. Muhlenberg
1st. New York Light,Battery M
Pennsylvania Battery E
4th. United States,Battery F
5th. United States,Battery K
CAVALRY CORP
Major General Alfred Pleasanton
FIRST DIVISION
Brigadier General John Buford
FIRST BRIGADE SECOND BRIGADE
Colonel William Gamble Colonel Thomas Devin
8th. Illinois 6th. New York
12th. Illinois 9th. New York
3rd. Indiana 17th. Pennsylvania
8th. New York 3rd. West Virginia
RESERVE BRIGADE
Brig.Gen. William Merritt
6th. Pennsylvania
1st. United States
2nd. United States
5th. United States
6th. United States
SECOND DIVISION
Brigadier General David Gregg
HEADQUARTERS GUARD
1st. Ohio, Company A
FIRST BRIGADE THIRD BRIGADE
Colonel John B. McIntosh Colonel J. Irvin Gregg
1st. Maryland 1st. Maine
Legion,Company A 10th. New York
1st. Massachusetts 4th. Pennsylvania
1st. New Jersey 16th. Pennsylvania
1st. Pennsylvania
3rd. Pennsylvania
3rd. Pennsylvania
Artillery,Battery H
THIRD DIVISION
Brigadier General Judson Kilpatrick
HEADQUARTERS GUARD
1st Ohio, Company C
FIRST BRIGADE SECOND BRIGADE
Brig.Gen. Elon Farnsworth Brig.Gen. George A. Custer
Colonel Nathan Richmond
5th. New York 1st. Michigan
18th. Pennsylvania 5th. Michigan
1st. Vermont 6th. Michigan
1st. W. Virginia 7th. Michigan
HORSE ARTILLERY
FIRST BRIGADE SECOND BRIGADE
Capt. James Robertson Capt. John Tidball
9th. Michigan 1st. United States
6th. New York Batteries E & G
2nd. United States 1st United States
Batteries B & L Battery K
4th. United States 2nd. United States
Battery E and A
ARTILLERY RESERVE
Brigadier General Robert O. Tyler
Captain James Robertson
HEADQUARTERS GUARD
32nd. Massachusetts, Company C
FIRST BRIGADE FIRST BRIGADE
(Regulars) (Reserve)
Capt. Dunbar R. Ransom Lt.Col. Freeman McGillvery
1st. United States, Massachusetts Light,
Battery H 5th. Battery
3rd. United States, 10th. New York
Batteries F & K Massachusetts Light,
4th. United States, 9th. Battery
Battery C New York Light,
5th. United States, 15th. Battery
Battery C Pennsylvania,
Batteries C & F
SECOND BRIGADE THIRD BRIGADE
(Volunteers) (Volunteers)
Capt. Elijah D. Tate Capt. James Huntington
Connecticut Light, New Hampshire Light,
2nd. Battery 1st. Battery
New York Light, 1st. Ohio
5th. Battery Battery H
1st. Pennsylvania
Light Artillery
Batteries F & G
West Virginia Light,
Battery C
THIRD BRIGADE
(Volunteers)
Capt. Robert H. Fitzhugh
Maine Light, Battery F
Maryland Light, Battery A
New Jersey Light, 1st. Battery
1st. New York Light, Battery G & K
11th. New York
TRAIN GUARD
4th. New Jersey Infantry
On Wednesday, July 1st, The Army of the Potomac fielded
approx. 20,000 troops.
On Thursday, July 2nd, The Army of the Potomac fielded
approx. 53,000 troops.
On Friday, July 3rd, The Army of the Potomac fielded
approx. 93,000 troops.