General Staff and Headquarters
| Table of contents |
|
2 I Corps 3 II Corps 4 III Corps 5 V Corps 6 VI Corps 7 XI Corps 8 XII Corps 9 Cavalry Corps 10 Artillery Reserve |
Capt Thomas C. Godfrey,
Capt Henry H. Woolsey
* Military Rank Abbreviations Used
I Corps
{| border=1
! width=25% | Division
! width=25% | Brigade
! Regiments and Others
|-
| rowspan=2 |
First Division:
BG James S. Wadsworth
| 1st Brigade ("Iron Brigade"):
BG Solomon Meredith
Col William Robinson
|
19th Indiana:
Col Samuel J. Williams
24th Michigan:
Col Henry A. Morrow,
Capt Albert M. Edwards
2nd Wisconsin:
Col Lucius Fairchild,
Maj John Mansfield,
Capt George H. Otis
6th Wisconsin:
Ltc Rufus R. Dawes
7th Wisconsin:
Col William W. Robinson,
Maj Mark Finnicum
|-
| 2nd Brigade:
BG Lysander Cutler
|
7th Indiana:
Col Ira G. Grover
76th New York:
Maj Andrew J. Grover,
Capt John E. Cook
84th New York ("14th Brooklyn"):
Col Edward B. Fowler
95th New York:
Col George H. Biddle,
Maj Edward Pye
147th New York:
Ltc Francis C. Miller,
Maj George Harney
56th Pennsylvania (9 companies):
Col J. William Hofmann
|-
| rowspan=2 |
Second Division:
BG John C. Robinson
| 1st Brigade:
BG Gabriel R. Paul
Col Samuel H. Leonard
Col Adrian R. Root
Col Richard Coulter
Col Peter Lyle
Col Richard Coulter
|
16th Maine:
Col Charles W. Tilden,
Maj Archibald D. Leavitt
13th Massachusetts:
Col Samuel H. Leonard,
Ltc N. Walter Batchelder
94th New York:
Col Adrian R. Root,
Maj Samuel A. Moffett
104th New York:
Col Gilbert G. Prey
107th Pennsylvania:
Ltc James MacThomson,
Capt Emanuel D. Roath
|-
| 2nd Brigade:
BG Henry Baxter
|
12th Massachusetts:
Col James L. Bates,
Ltc David Allen, Jr
83rd New York (9th Militia):
Ltc Joseph A. Moesch
97th New York:
Col Charles Wheelock,
Maj Charles Northrup
11th Pennsylvania:
Col Richard Coulter,
Capt Benjamin F. Haines,
Capt John B. Overmyer
88th Pennsylvania:
Maj Benezet F. Foust,
Capt Henry Whiteside
90th Pennsylvania:
Col Peter Lyle,
Maj Alfred J. Sellers,
Col Peter Lyle
|-
| rowspan=3 |
Third Division:
BG Thomas A. Rowley
MG Abner Doubleday
| 1st Brigade:
Col Chapman Biddle
BG Thomas A. Rowley
Col Chapman Biddle
|
80th New York (20th Militia):
Col Theodore B. Gates
121st Pennsylvania:
Maj Alexander Biddle,
Col Chapman Biddle,
Maj Alexander Biddle
142nd Pennsylvania:
Col Robert P. Cummins,
Ltc A. B. McCalmont
151st Pennsylvania:
Ltc George F. McFarland,
Capt Walter L. Owens,
Col Harrison Allen
|-
| 2nd Brigade:
Col Roy Stone
Col Langhorne Wister
Col Edmund L. Dana
|
143rd Pennsylvania:
Col Edmund L. Dana,
Ltc John D. Musser
149th Pennsylvania:
Ltc Walton Dwight,
Capt James Glenn
150th Pennsylvania:
Col Langhorne Wister,
Ltc H. S. Huidekoper,
Capt Cornelius C. Widdis
|-
| 3rd Brigade:
BG George J. Stannard
Col Francis V. Randall
|
12th Vermont:
Col Asa P. Blunt
13th Vermont:
Col Francis V. Randall,
Maj Joseph J. Boynton,
Ltc William D. Munson
14th Vermont:
Col William T. Nichols
15th Vermont:
Col Redfield Proctor
16th Vermont:
Col Wheelock G. Veazey
|-
|
| Artillery Brigade:
Col Charles S. Wainright
|
2nd Maine Light, Battery B:
Capt James A. Hall
5th Maine Light, Battery E:
Capt Greenleaf T. Stevens,
Lt Edward N. Whittier
1st New York Light, Batteries E & L:
Capt Gilbert H. Reynolds,
Lt George Breck
1st Pennsylvania Light, Battery B:
Capt James H. Cooper
4th US, Battery B:
Lt James Stewart
|}
II Corps
{| border=1
! width=25% | Division
! width=25% | Brigade
! Regiments and Others
|-
| rowspan=4 |
First Division:
BG John C. Caldwell
| 1st Brigade:
BG Edward E. Cross
Col H. Boyd McKeen
|
5th New Hampshire:
Ltc Charles E. Hapgood
61st New York:
Ltc K. Oscar Broady
81st Pennsylvania:
Col H. Boyd McKeen,
Ltc Amos Stroh
148th Pennsylvania:
Ltc Robert McFarlane
|-
| 2nd Brigade ("Irish Brigade"):
Col Patrick Kelly
|
28th Massachusetts:
Col Richard Byrnes
63rd New York (2 companies):
Ltc Richard C. Bentley,
Capt Thomas Touhy
69th New York (2 companies):
Capt Richard Moroney,
Lt James J. Smith
88th New York (2 companies):
Capt Denis F. Burke
116th Pennsylvania (4 companies):
Maj St. Clair A. Mulholland
|-
| 3rd Brigade:
BG Samuel K. Zook
Ltc John Fraser
|
52nd New York:
Ltc C. G. Freudenberg,
Capt William Scherrer
57th New York:
Ltc Alford B. Chapman
66th New York:
Col Orlando H. Morris,
Ltc John S. Hammell,
Maj Peter Nelson
140th Pennsylvania:
Col Richard P. Roberts,
Ltc John Fraser
|-
| 4th Brigade:
Col John R. Brooke
|
27th Connecticut (2 companies):
Ltc Henry C. Merwin,
Maj James H. Coburn
2nd Delaware:
Col William P. Baily,
Capt Charles H. Christman
64th New York:
Col Daniel G. Bingham,
Maj Leman W. Bradley
53rd Pennsylvania:
Ltc Richards McMichael
145th Pennsylvania (7 companies):
Col Hiram L. Brown,
Capt John W. Reynolds,
Capt Moses W. Oliver
|-
| rowspan=4 |
Second Division:
BG John Gibbon
BG William Harrow
BG John Gibbon
| 1st Brigade:
BG William Harrow
Col Francis E. Heath
|
19th Maine:
Col Francis E. Heath,
Ltc Henry W. Cunningham
15th Massachusetts:
Col George H. Ward,
Ltc George C. Joslin
1st Minnesota & 2nd Company, Minnesota Sharpshooters:
Col William Colvill, Jr,
Capt Nathan S. Messick,
Capt Henry C. Coates
82nd New York (2nd NY Militia):
Ltc James Huston,
Capt John Darrow
|-
| 2nd Brigade:
BG Alexander S. Webb
|
69th Pennsylvania:
Col Dennis O'Kane,
Capt William Davis
71st Pennsylvania:
Col Richard Penn Smith
72nd Pennsylvania:
Col De Witt C. Baxter,
Ltc Theodore Hesser
106th Pennsylvania:
Ltc William L. Curry
|-
| 3rd Brigade:
Col Norman J. Hall
|
19th Massachusetts:
Col Arthur F. Devereux
20th Massachusetts:
Col Paul J. Revere,
Ltc George N. Macy,
Capt Henry L. Abbott
7th Michigan:
Ltc Amos E. Steele, Jr,
Maj Sylvanus W. Curtis
42nd New York:
Col James E. Mallon
59th New York (4 companies):
Ltc Max A. Thoman,
Capt William McFadden
|-
| unattached
|
Massachusetts Sharpshooters, 1st Company:
Capt William Plumer,
Lt Emerson L. Bicknell
|-
| rowspan=3 |
Third Division:
BG Alexander Hays
| 1st Brigade:
Col Samuel S. Carroll
|
14th Indiana:
Col John Coons
4th Ohio:
Ltc Leonard W. Carpenter
8th Ohio:
Ltc Franklin Sawyer
7th West Virginia:
Ltc Jonathan H. Lockwood
|-
| 2nd Brigade:
Col Thomas A. Smyth
Ltc Francis E. Pierce
|
14th Connecticut:
Maj Theodore G. Ellis
1st Delaware:
Ltc Edward P. Harris,
Capt Thomas B. Hizar,
Lt William Smith,
Lt John T. Dent
12th New Jersey:
Maj John T. Hill
10th New York Battalion:
Maj George F. Hopper
108th New York:
Ltc Francis E. Pierce
|-
| 3rd Brigade:
Col George L. Willard
Col Eliakim Sherrill
Ltc James M. Bull
|
39th New York (4 companies):
Maj Hugo Hildebrandt
111th New York:
Col Clinton D. MacDougall,
Ltc Isaac M. Lusk,
Capt Aaron P. Seeley
125th New York:
Ltc Levin Crandell
126th New York:
Col Eliakim Sherrill,
Ltc James M. Bull
|-
|
| Artillery Brigade:
Cpt John G. Hazard
|
1st New York Light, Battery B:
Lt Albert S. Sheldon,
Capt James McKay Rorty,
Lt Robert E. Rogers
1st Rhode Island Light, Battery A:
Capt William A. Arnold
1st Rhode Island Light, Battery B:
Lt T. Fred. Brown,
Lt Walter S. Perrin
1st US Light, Battery I:
Lt George A. Woodruff,
Lt Tully McCrea
4th US Light, Battery A:
Lt Alonzo H. Cushing,
Sgt Frederick Fuger
|}
III Corps
{| border=1
! width=25% | Division
! width=25% | Brigade
! Regiments and Others
|-
| rowspan=3 |
First Division:
MG David B. Birney
BG J. H. Hobart Ward
| 1st Brigade:
BG Charles K. Graham
Col Andrew H. Tippin
|
57th Pennsylvania (8 companies):
Col Peter Sides,
Capt Alanson H. Nelson
63rd Pennsylvania:
Maj John A. Danks,
68th Pennsylvania:
Col Andrew H. Tippin,
Capt Milton S. Davis
105th Pennsylvania:
Col Calvin A. Craig
114th Pennsylvania:
Ltc Frederick F. Cavada,
Capt Edward R. Bowen
141st Pennsylvania:
Col Henry J. Madill
|-
| 2nd Brigade:
BG J. H. Hobart Ward
Col Hiram Berdan
|
20th Indiana:
Col John Wheeler,
Ltc William C. L. Taylor
3rd Maine:
Col Moses B. Lakeman
4th Maine:
Col Elijah Walker,
Capt Edwin Libby
86th New York:
Ltc Benjamin L. Higgins
124th New York:
Col A. Van Horne Ellis,
Ltc Francis M. Cummins
99th Pennsylvania:
Maj John W. Moore
1st US Sharpshooters:
Col Hiram Berdan,
Ltc Casper Trepp
2nd US Sharpshooters (8 companies):
Maj Homer R. Stoughton
|-
| 3rd Brigade:
Col P. Regis de Trobriand
|
17th Maine:
Ltc Charles B. Merrill
3rd Michigan:
Col Byron R. Pierce,
Ltc Edwin S. Pierce
5th Michigan:
Ltc John Pulford
40th New York:
Col Thomas W. Egan
110th Pennsylvania (6 companies):
Ltc David M. Jones,
Maj Isaac Rogers
|-
| rowspan=3 |
Second Division:
BG Andrew A. Humphreys
| 1st Brigade:
BG Joseph B. Carr
|
1st Massachusetts:
Ltc Clark B. Baldwin
11th Massachusetts:
Ltc Porter D. Tripp
16th Massachusetts:
Ltc Waldo Merriam,
Capt Matthew Donovan
12th New Hampshire:
Capt John F. Langley
11th New Jersey:
Col Robert McAllister,
Capt Luther Martin,
Lt John Schoonover,
Capt William H. Lloyd,
Capt Samuel T. Sleeper,
Lt John Schoonover
26th Pennsylvania:
Maj Robert L. Bodine
|-
| 2nd Brigade:
Col William R. Brewster
|
70th New York:
Col J. Egbert Farnum
71st New York:
Col Henry L. Potter
72nd New York:
Col John S. Austin,
Ltc John Leonard
73rd New York:
Maj Michael W. Burns
74th New York:
Ltc Thomas Holt
120th New York:
Ltc Cornelius D. Westbrook,
Maj John R. Tappen
|-
| 3rd Brigade:
Col George C. Burling
|
2nd New Hampshire:
Col Edward L. Bailey
5th New Jersey:
Col William J. Sewell,
6th New Jersey:
Ltc Stephen R. Gilkyson
7th New Jersey:
Col Louis R. Francine,
Maj Frederick Cooper
8th New Jersey:
Col John Ramsey,
Capt John G. Langston
115th Pennsylvania:
Maj John P. Dunne
|-
| Third Division:
BG Washington Lafayette Elliott
|
(Not at Gettysburg; division detached to Maryland Heights)
|
|-
|
| Artillery Brigade:
Cpt George E. Randolph
Cpt A. Judson Clark
|
1st New Jersey Light, Battery B:
Capt A. Judson Clark,
Lt Robert Sims
1st New York Light, Battery D:
Capt George B. Winslow
New York Light, 4th Battery:
Capt James E. Smith
1st Rhode Island Light, Battery E:
Lt John K. Bucklyn,
Lt Benjamin Freeborn
4th US, Battery K:
Lt Francis W. Seeley,
Lt Robert James
|}
V Corps
{| border=1
! width=25% | Division
! width=25% | Brigade
! Regiments and Others
|-
| rowspan=3 |
First Division:
BG James Barnes
| 1st Brigade:
Col William S. Tilton
|
18th Massachusetts:
Col Joseph Hayes
22nd Massachusetts:
Ltc Thomas Sherwin, Jr
1st Michigan:
Col Ira C. Abbott,
Ltc William A. Throop
118th Pennsylvania:
Ltc James Gwyn
|-
| 2nd Brigade:
Col Jacob B. Sweitzer
|
9th Massachusetts:
Col Patrick R. Guiney
32nd Massachusetts:
Col George L. Prescott
4th Michigan:
Col Harrison H. Jeffords,
Ltc George W. Lumbard
62nd Pennsylvania:
Ltc James C. Hull
|-
| 3rd Brigade:
Col Strong Vincent
Col James C. Rice
|
20th Maine:
Col Joshua L. Chamberlain
16th Michigan:
Ltc Norval E. Welch
44th New York:
Col James C. Rice,
Ltc Freeman Conner
83rd Pennsylvania:
Capt Orpheus S. Woodward
|-
| rowspan=3 |
Second Division:
BG Romeyn B. Ayres
| 1st Brigade:
Col Hannibal Day
|
3rd US (6 companies):
Capt Henry W. Freedley,
Capt Richard G. Lay
4th US (4 companies):
Capt Julius W. Adams, Jr
6th US (5 companies):
Capt Levi C. Bootes
12th US (8 companies):
Capt Thomas S. Dunn
14th US (8 companies):
Maj Grotius R. Giddings
|-
| 2nd Brigade:
Col Sidney Burbank
|
2nd US (6 companies):
Maj Arthur T. Lee,
Capt Samuel A. McKee
7th US (4 companies):
Capt David P. Hancock
10th US (3 companies):
Capt William Clinton
11th US (6 companies):
Maj DeLancey Floyd-Jones
17th US (7 companies):
Ltc J. Durell Greene
|-
| 3rd Brigade:
BG Stephen H. Weed
Col Kenner Garrard
|
140th New York:
Col Patrick H. O'Rorke,
Ltc Louis Ernst
146th New York:
Col Kenner Garrard,
Ltc David T. Jenkins
91st Pennsylvania:
Ltc Joseph H. Sinex
155th Pennsylvania:
Ltc John H. Cain
|-
| rowspan=2 |
Third Division:
BG Samuel W. Crawford
| 1st Brigade:
Col William McCandless
|
1st Pennsylvania Reserves (9 companies):
Col William C. Talley
2nd Pennsylvania Reserves:
Ltc George A. Woodward
6th Pennsylvania Reserves:
Ltc Wellington H. Ent
13th Pennsylvania Reserves:
Col Charles F. Taylor,
Maj William R. Hartshorne
|-
| 3rd Brigade:
Col Joseph W. Fisher
|
5th Pennsylvania Reserves:
Ltc George Dare
9th Pennsylvania Reserves:
Ltc James McK. Snodgrass
10th Pennsylvania Reserves:
Col Adoniram J. Warner
11th Pennsylvania Reserves:
Col Samuel M. Jackson
12th Pennsylvania Reserves (9 companies):
Col Martin D. Hardin
|-
|
| Artillery Brigade:
Cpt Augustus P. Martin
|
3rd Massachusetts, Battery C:
Lt Aaron F. Walcott
1st New York, Battery C:
Capt Almont Barnes
1st Ohio Light, Battery L:
Capt Frank C. Gibbs
5th US, Battery D:
Lt Charles E. Hazlett,
Lt Benjamin F. Rittenhouse
5th US, Battery I:
Lt Malbone F. Watson,
Lt Charles C. MacConnell
|}
VI Corps
{| border=1
! width=25% | Division
! width=25% | Brigade
! Regiments and Others
|-
| rowspan=4 |
First Division:
BG Horatio G. Wright
| 1st Brigade:
BG Alfred T. A. Torbert
|
1st New Jersey:
Ltc William Henry, Jr
2nd New Jersey:
Ltc Charles Wiebecke
3rd New Jersey:
Ltc Edward L. Campbell
15th New Jersey:
Col William H. Penrose
|-
| 2nd Brigade:
BG Joseph J. Bartlett
|
5th Maine:
Col Clark S. Edwards
121st New York:
Col Emory Upton
95th Pennsylvania:
Ltc Edward Carroll
96th Pennsylvania:
Maj William H. Lessig
|-
| 3rd Brigade:
BG David A. Russell
|
6th Maine:
Col Hiram Burnham
49th Pennsylvania (4 companies):
Ltc Thomas M. Hulings
119th Pennsylvania:
Col Peter C. Ellmaker
5th Wisconsin:
Col Thomas S. Allen
|-
| Provost Guard
|
4th New Jersey (3 companies): Capt William R. Maxwell
|-
| rowspan=2 |
Second Division:
BG Albion P. Howe
| 2nd Brigade:
Col Lewis A. Grant
|
2nd Vermont:
Col James H. Walbridge
3rd Vermont:
Col Thomas O. Seaver
4th Vermont:
Col Charles B. Stoughton
5th Vermont:
Ltc John R. Lewis
6th Vermont:
Col Elisha L. Barney
|-
| 3rd Brigade:
BG Thomas H. Neill
|
7th Maine (6 companies):
Ltc Selden Connor
33rd New York (detachment):
Capt Henry J. Gifford
43rd New York:
Ltc John Wilson
49th New York:
Col Daniel D. Bidwell
77th New York:
Ltc Winsor B. French
61st Pennsylvania:
Ltc George F. Smith
|-
| rowspan=3 |
Third Division:
MG John Newton
BG Frank Wheaton
| 1st Brigade:
BG Alexander Shaler
|
65th New York:
Col Joseph E. Hamblin
67th New York:
Col Nelson Cross
122nd New York:
Col Silas Titus
23rd Pennsylvania:
Ltc John F. Glenn
82nd Pennsylvania:
Col Isaac C. Bassett
|-
| 2nd Brigade:
Col Henry L. Eustis
|
7th Massachusetts:
Ltc Franklin P. Harlow
10th Massachusetts:
Ltc Joseph B. Parsons
37th Massachusetts:
Col Oliver Edwards
2nd Rhode Island:
Col Horatio Rogers, Jr
|-
| 3rd Brigade:
BG Frank Wheaton
Col David J. Nevin
|
62nd New York:
Col David J. Nevin,
Ltc Theodore B. Hamilton
93rd Pennsylvania:
Maj John I. Nevin
98th Pennsylvania:
Maj John B. Kohler
102nd Pennsylvania:
Col John W. Patterson
139th Pennsylvania:
Col Frederick H. Collier,
Ltc William H. Moody
|-
|
| Artillery Brigade:
Col Charles H. Tompkins
|
1st Massachusetts Light, Battery A:
Capt William H. McCartney
1st New York, Independent Battery:
Capt Andrew Cowan
3rd New York, Independent Battery:
Capt William A. Harn
1st Rhode Island, Battery C:
Capt Richard Waterman
1st Rhode Island, Battery G:
Capt George W. Adams
2nd US, Battery D:
Lt Edward B. Williston
2nd US, Battery G:
Lt John H. Butler
5th US, Battery F:
Lt Leonard Martin
|}
XI Corps
{| border=1
! width=25% | Division
! width=25% | Brigade
! Regiments and Others
|-
| rowspan=2 |
First Division:
BG Francis C. Barlow
BG Adelbert Ames
| 1st Brigade:
Col Leopold von Gilsa
|
41st New York (9 companies):
Ltc Detleo von Einsiedel
54th New York:
Maj Stephen Kovacs,
Lt Ernst Both
68th New York:
Col Gotthilf Bourry
153rd Pennsylvania:
Maj John F. Frueauff
|-
| 2nd Brigade:
BG Adelbert Ames
Col Andrew L. Harris
|
17th Connecticut:
Ltc Douglas Fowler,
Maj Allen G. Brady
25th Ohio:
Ltc Jeremiah Williams,
Capt Nathaniel J. Manning,
Lt William Maloney,
Lt Israel White
75th Ohio:
Col Andrew L. Harris,
Capt George B. Fox
107th Ohio:
Col Seraphim Meyer,
Capt John M. Lutz
|-
| rowspan=2 |
Second Division:
BG Adolph von Steinwehr
| 1st Brigade:
Col Charles R. Coster
|
134th New York:
Ltc Allan H. Jackson
154th New York:
Ltc Daniel B. Allen
27th Pennsylvania:
Ltc Lorenz Cantador
73rd Pennsylvania:
Capt Daniel F. Kelley
|-
| 2nd Brigade:
BG Orland Smith
|
33rd Massachusetts:
Col Adin B. Underwood
136th New York:
Col James Wood, Jr
55th Ohio:
Col Charles B. Gambee
73rd Ohio:
Ltc Richard Long
|-
| rowspan=2 |
Third Division:
MG Carl Schurz
BG Alexander Schimmelfennig
MG Carl Schurz
| 1st Brigade:
BG Alexander Schimmelfennig
Col George von Amsberg
|
82nd Illinois:
Ltc Edward S. Salomon
45th New York:
Col George von Amsberg,
Ltc Adolphus Dobke
157th New York:
Col Philip P. Brown, Jr
61st Ohio:
Col Stephen J. McGroarty
74th Pennsylvania:
Col Adolph von Hartung,
Ltc Alexander von Mitzel,
Capt Gustav Schleiter,
Capt Henry Krauseneck
|-
| 2nd Brigade:
Col W. Krzyzanowski
|
58th New York:
Ltc August Otto,
Capt Emil Koenig
119th New York:
Col John T. Lockman,
Ltc Edward F. Lloyd
82nd Ohio:
Col James S. Robinson,
Ltc David Thomson
75th Pennsylvania:
Col Francis Mahler,
Maj August Ledig
26th Wisconsin:
Ltc Hans Boebel,
Capt John W. Fuchs
|-
|
| Artillery Brigade:
Maj Thomas W. Osborn
|
1st New York Light, Battery I:
Capt Michael Wiedrich
13th New York Independent Battery:
Lt William Wheeler
1st Ohio Light, Battery I:
Capt Hubert Dilger
1st Ohio Light, Battery K:
Capt Lewis Heckman
4th US, Battery G:
Lt Bayard Wilkeson,
Lt Eugene A. Bancroft
|}
XII Corps
{| border=1
! width=25% | Division
! width=25% | Brigade
! Regiments and Others
|-
| rowspan=3 |
First Division:
BG Alpheus S. Williams
BG Thomas H. Ruger
| 1st Brigade:
Col Archibald L. McDougall
|
5th Connecticut:
Col Warren W. Packer
20th Connecticut:
Ltc William B. Wooster
3rd Maryland:
Col Joseph M. Sudsburg
123rd New York:
Ltc James C. Rogers,
Capt Adolphus H. Tanner
145th New York:
Col Edward L. Price
46th Pennsylvania:
Col James L. Selfridge
|-
| 2nd Brigade:
BG Henry H. Lockwood
|
1st Maryland, Potomac Home Brigade:
Col William P. Maulsby
1st Maryland, Eastern Shore:
Col James Wallace
150th New York:
Col John H. Ketcham
|-
| 3rd Brigade:
BG Thomas H. Ruger
Col Silas Colgrove
|
27th Indiana:
Col Silas Colgrove,
Ltc John R. Fesler
2nd Massachusetts:
Ltc Charles R. Mudge,
Maj Charles F. Morse
13th New Jersey:
Col Ezra A. Carman
107th New York:
Col Nirom M. Crane
3rd Wisconsin:
Col William Hawley
|-
| rowspan=3 |
Second Division:
BG John W. Geary
| 1st Brigade:
Col Charles Candy
|
5th Ohio:
Col John H. Patrick
7th Ohio:
Col William R. Creighton
29th Ohio:
Capt Wilbur F. Stevens,
Capt Edward Hayes
66th Ohio:
Ltc Eugene Powell
28th Pennsylvania:
Capt John Flynn
147th Pennsylvania (8 companies):
Ltc Ario Pardee, Jr
|-
| 2nd Brigade:
Col George A. Cobham, Jr
BG Thomas L. Kane
Col George A. Cobham, Jr
|
29th Pennsylvania:
Col William Rickards, Jr
109th Pennsylvania:
Capt Frederick L. Gimber
111th Pennsylvania:
Ltc Thomas M. Walker,
Col George A. Cobham, Jr,
Ltc Thomas M. Walker
|-
| 3rd Brigade:
BG George S. Greene
|
60th New York:
Col Abel Godard
78th New York:
Ltc Herbert von Hammerstein
102nd New York:
Col James C. Lane,
Capt Lewis R. Stegman
137th New York:
Col David Ireland
149th New York:
Col Henry A. Barnum,
Ltc Charles B. Randall
|-
|
| Artillery Brigade:
Lt Edward D. Muhlenberg
|
1st New York Light, Battery M:
Lt Charles E. Winegar
Pennsylvania Independent Light, Battery E:
Lt Charles A. Atwell
4th US, Battery F:
Lt Sylvanus T. Rugg
5th US, Battery K:
Lt David H. Kinzie
|}
Cavalry Corps
{| border=1
! width=25% | Division
! width=25% | Brigade
! Regiments and Others
|-
| rowspan=3 |
First Division:
BG John Buford
| 1st Brigade:
Col William Gamble
|
8th Illinois:
Maj John L. Beveridge
12th Illinois (4 companies);
3rd Indiana (6 companies):
Col George H. Chapman
8th New York:
Ltc William L. Markell
|-
| 2nd Brigade:
Col Thomas C. Devin
|
6th New York:
Maj William E. Beardsley
9th New York:
Col William Sackett
17th Pennsylvania:
Col Josiah H. Kellogg
3rd West Virginia (2 companies):
Capt Seymour B. Conger
|-
| Reserve Brigade:
BG Wesley Merritt
|
6th Pennsylvania:
Maj James H. Haseltine
1st US:
Capt Richard S. C. Lord
2nd US:
Capt Theophilus F. Rodenbough
5th US:
Capt Julius W. Mason
6th US:
Maj Samuel H. Starr,
Lt Louis H. Carpenter,
Lt Nicholas Nolan,
Capt Ira W. Claflin
|-
| rowspan=4 |
Second Division:
BG David McM. Gregg
| 1st Brigade:
Col John B. McIntosh
|
1st Maryland (11 companies):
Ltc James M. Deems
Purnell (Maryland) Legion, Company A:
Capt Robert E. Duvall
1st Massachusetts:
Ltc Greely S. Curtis
1st New Jersey:
Maj Myron H. Beaumont
1st Pennsylvania:
Col John P. Taylor
3rd Pennsylvania:
Ltc Edward S. Jones
3rd Pennsylvania Heavy Artillery, Battery H:
Capt William D. Rank
|-
| 2nd Brigade:
Col Pennock Huey
|
(Not at Gettysburg)
|-
| 3rd Brigade:
Col J. Irvin Gregg
|
1st Maine (10 companies):
Ltc Charles H. Smith
10th New York:
Maj M. Henry Avery
4th Pennsylvania:
Ltc William E. Doster
16th Pennsylvania, Lieut:
Col John K. Robison
|-
|
HQ Guard
|
1st Ohio, Company A: Capt Noah Jones
|-
| rowspan=3 |
Third Division:
BG Judson Kilpatrick
| 1st Brigade:
BG Elon J. Farnsworth
Col Nathaniel P. Richmond
|
5th New York:
Maj John Hammond
18th Pennsylvania, Lieut:
Col William P. Brinton
1st Vermont, Lieut:
Col Addison W. Preston
1st West Virginia (10 companies):
Col Nathaniel P. Richmond,
Maj Charles E. Capehart
|-
| 2nd Brigade:
BG George A. Custer
|
1st Michigan:
Col Charles H. Town
5th Michigan:
Col Russell A. Alger
6th Michigan:
Col George Gray
7th Michigan (10 companies):
Col William D. Mann
|-
|
HQ Guard
|
1st Ohio, Company C: Capt Samuel N. Stanford
|-
| rowspan=2 |
Horse Artillery
| 1st Brigade:
Capt James M. Robertson
|
9th Michigan Battery:
Capt Jabez J. Daniels
6th New York Battery:
Capt Joseph W. Martin
2nd US, Batteries B and L:
Lt Edward Heaton
2nd US, Battery M:
Lt Alexander C. M. Pennington, Jr
4th US, Battery E:
Lt Samuel S. Elder
|-
| 2nd Brigade:
Capt John C. Tidball
|
1st US, Batteries E and G:
Capt Alanson M. Randol
1st US, Battery K:
Capt William M. Graham
2nd US, Battery A:
Lt John H. Calef
3rd US, Battery C:
Lt William D. Fuller
|}
Artillery Reserve
{| border=1
! width=30% | Brigade
! Batteries
|-
| 1st Regular Brigade:
Capt Dunbar R. Ransom
|
1st US, Battery H:
Lt Chandler P. Eakin,
Lt Philip D. Mason
3rd US, Batteries F and K:
Lt John G. Turnbull
4th US, Battery C:
Lt Evan Thomas
5th US, Battery C:
Lt Gulian V. Weir
|-
| 1st Volunteer Brigade:
Ltc Freeman McGilvery
|
5th Massachusetts Light Battery E:
Capt Charles A. Phillips
9th Massachusetts Light Battery:
Capt John Bigelow,
Lt Richard S. Milton
15th New York Independent Battery:
Capt Patrick Hart
Pennsylvania Light, Batteries C and F:
Capt James Thompson
|-
| 2nd Volunteer Brigade:
Capt Elijah D. Taft
|
1st Connecticut Heavy, Battery B:
Capt Albert F. Brooker
1st Connecticut Heavy, Battery M:
Capt Franklin A. Pratt
2nd Connecticut Light Battery:
Capt John W. Sterling
5th New York Independent Battery:
Capt Elijah D. Taft
|-
| 3rd Volunteer Brigade:
Capt James F. Huntington
|
1st New Hampshire Independent:
Capt Frederick M. Edgell
1st Ohio Light, Battery H:
Lt George W. Norton
1st Pennsylvania Light, Batteries F and G:
Capt R. Bruce Ricketts
1st West Virginia Light, Battery C:
Capt Wallace Hill
|-
| 4th Volunteer Brigade:
Capt Robert H. Fitzhugh
|
6th Maine Light, Battery F:
Lt Edwin B. Dow
1st Maryland Light, Battery A:
Capt James H. Rigby
1st New Jersey Light, Battery A:
Lt Augustin N. Parsons
1st New York Light, Battery G:
Capt Nelson Ames
1st New York Light, Battery K:
Capt Robert H. Fitzhugh
|-
|
Train Guard
|
4th New Jersey Infantry (7 companies): Maj Charles Ewing
|}