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Gettysburg Union Order of Battle

The following units and commanders fought in the Battle of Gettysburg on the Union side. The Gettysburg Confederate Order of Battle is shown separately. When multiple names of commanders are shown, this indicates the succession of command through the three-day battle, (July 1-3, 1863). = Army of the Potomac = MG* George G. Meade, Commanding

General Staff and Headquarters

Table of contents
1 * Military Rank Abbreviations Used
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

* 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,

Capt Thomas C. Godfrey, Capt Henry H. Woolsey
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:
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 |}