[NOTE: Everything written below are from Brandeis University . BOLD and underlined words and phrases are added by Addressing Gettysburg for the purposes of easy viewing.]

The Army of the Potomac
93,540 men
360 artillery pieces 



Headquarters

Commanding General: Maj. Gen. George Gordon Meade
Chief of Staff: Maj. General Daniel Butterfield (* wounded)
Chief of Engineers: Brig. Gen. Gouverneur K. Warren (w)
Chief of Artillery: Brig. Gen. Henry J. Hunt (w)
Provost Marshal General: Brig. Gen. Marsena R. Patrick
Assistant Adjutant General: Brig. Gen. Seth Williams
Chief Quartermaster: Brig. Gen. Rufus Ingalls
Medical Director: Dr. Johnathan Letterman
Chief of Ordnance: Lt. John R. Edie (acting)
Provost Guard, 1,365
93rd NY, 371, Col. John S. Crocker
2nd PA Cavalry, 489, Col. R. Butler Price (? = whether or not a casualty: unknown to the author)
6th PA Cavalry, Companies E,I, 81, Capt. James Starr
8th US Cavalry, A-G, I, 401, Capt. Edwin W.H. Read (?)
detachments from 1st, 2nd, 5th, & 6th U.S. Cavalry, 18
guards & orderlies, Oneida NY Cavalry Company, 42, Capt. Daniel P. Mann (?)
Engineer brigade# (#=not present at the battle), Brig. Gen. Henry W. Benham (?)
15th NY Engineers, Companies A-C, Maj. Walter L. Cassin (?)
50th NY Engineers, Col. William H. Pettes (?)
U.S. Engineer Battalion, Capt. George H. Mendell (?)
Signal Corps, 36, Capt. Lemuel P. Norton (?)

1st Corps
12,222
Maj. Gen. John F. Reynolds (killed)
Maj. Gen. Abner Doubleday
Maj. Gen. John Newton
Escort, 1st ME Cavalry L, 57, Capt. Constantine Taylor (?)
1st Division, 3,857, Brig. Gen. James S. Wadworth
1st Brigade (The Iron Brigade), 1,829, Brig. Gen. Solomon Meredith,
Col. William W. Robertson
19th IN, 308, Col. Samuel L. Williams (?)
24th MI, 496, Col. Henry A. Morrow (w), Capt. Albert M. Edwards
2nd WI, 302, Col. Lucius Fairchild (w), Maj. John Mansfield (w), Capt. George H. Otis (?)
6th WI, 344, Lt. Col. Rufus R. Dawes (?)
7th WI, 364, Col. William W. Robinson (?), Maj. Mark Finnicum (?)
2nd Brigade, 2,017, Brig. Gen. Lysander Cutler
7th IN, 434, Col. Ira G. Grover (?)
76th NY, 375, Maj. Andrew J. Grover (?), Capt. John E. Cook (?)
84th NY (14th Brooklyn Militia), 318, Col. Edward B. Fowler (?)
95th NY, 241, Col. George H. Biddle, Maj. Edward Pye
147th NY, 380, Lt. Col. Francis C. Miller (w), Maj. George Harney (?)
56th PA, A-D, F-K, 252, Col. J. William Hofmann (?)
2nd Division, 2,997, Brig. Gen. John C. Robinson
1st Brigade, 1,537, Brig. Gen. Gabriel R. Paul (w), Col. Samuel H. Leonard (w), Col. Adrian R. Root (w,captured), Col. Richard Coulter (w), Col. Peter Lyle, Col. Richard Coulter (w)
16th ME, 298, Col. Charles W. Tilden (c), Maj. Archibald D. Leavitt (?)
13th MA, 284, Col. Samuel H. Leonard (w), Lt. Col. N. Walter Batchelder (?)
9th NY, 411, Col. Adrian R. Root, Maj. Samuel A. Moffett
104th NY, 286, Col. Gilbert G. Prey (?)
107th PA, 255, Lt. Col. James MacThompson (?), Capt. Emanuel D. Roath
2nd Brigade, 1,452, Brig. Gen. Henry Baxter
12th MA, 261, Col. James L. Bates (w), Lt. Col. David Allen Jr.
83rd NY (9th Militia), 199, Lt. Col. Joseph A. Moesch (?)
97th NY, 236, Col. Charles Wheelock, Maj. Charles Northrup
11th PA (with the 1st Brigade July 1), 270, Col. Richard Coulter (w), Capt. Benjamin F. Haynes (w), Capt. John B. Overmeyer (?)
88th PA, 274, Maj. Benezet F. Foust, Capt. Henry Whiteside
90th PA, 208, Col. Peter Lyle, Maj. Alfred S. Sellers
Provost Guard, 149th PA, Co. D, 60
3rd Division, 4,701, Maj. Gen. Abner Doubleday, Maj. Gen. Thomas A. Rowley, Maj. Gen. Abner Doubleday
1st Brigade, 1,361, Brig. Gen. Thomas A. Rowley, Col. Chapman Biddle(w), Brig. Gen. Thomas A. Rowley
80th NY (20th Militia, Ulster Guard), 287, Col. Theodore B. Gates (?)
121st PA, 363, Maj. Alexander Biddle, Col. Chapman Biddle, Maj. Alexander Biddle
142nd PA, 363, Col. Robert P. Cummins (k), Lt. Col. A.B. McCalmont (?)
151st PA (The Schoolteachers' Regiment), 467, Lt. Col. J.P. McFarland (w), Capt. Walter L. Owens, Col. Harrison Allen
2nd Brigade (Bucktails), 1,317, Col. Roy Stone (w), Col. Langhorne Wister (w), Col. Edmund L. Dana
143rd PA, 465, Col. Edmund L. Dana, Lt. Col. John D. Musser
149th PA (A-C,E-J), 450, Lt. Col. Walton Dwight (w), Capt. James Glenn
150th PA (A-I), 400, Col. Langhorne Wister (w), Lt. Col. H.S. Huidekoper (?), Capt.
Cornelius C. Widdis
3rd Brigade (Paper Collar, arrived July 2), 1,950, Brig. Gen. George J. Stannard (w), Col. Francis V. Randall
12th VT#, Col. Asa P. Bluny
13th VT, 636, Col. Francis V. Randall, Maj. Joseph J. Boynton, Lt. Col. William D. Munson (w)
14th VT, 647, Col. William T. Nichols (?)
15th VT#, Col. Redfield Proctor
16th VT, 661, Col. Wheelock G. Veazey
Artillery Brigade, 28 guns, 596 men, Col. Charles S. Wainwright
2nd ME Light, Battery B (6 3-inch rifles), 117, Capt. James A. Hall (?)
5th ME Light, Battery E (6 12-pound Napoleons), 119, Capt. Greenleaf T. Stevens (?), Lt. Edward N. Whittier (?)
1st NY Light Artillery, Batteries E & L (6 3-inch rifles), 124. Capt. Gilber H. Reynolds (?), Lt. George Breck
1st PA Light Artillery, Battery B (4 3-inch rifles), 106, Capt. James H. Cooper
4th US Artillery, Battery B (6 12-pound Napoleons), 124, Lt. James Stewart (?)





2nd Corps
11,347
Maj. Gen. Winfield Scott Hancock (w)
Brig. Gen. John Gibbon (w)
Brig. Gen. William Hays
Escorts, 164
6th NY Cavalry D,K, 64, Capt. Riley Johnston (?)
17th PA Cavalry E,H, 100 (p = only a portion of unit present)
Provost Guard, 1st MN L, 48
1st Division, 3,320, Brig. Gen. John C. Caldwell
Provost Guard, 116th PA B, 32; 53rd PA A-B, K, 70
1st Brigade, 853, Col. Edward E. Cross (k), Col. H. Boyd McKeen
5th NH, 179, Lt. Col. Charles E. Hapgood
61st NY, 104, Lt. Col. K. Oscar Broady (?)
81st PA, 175, Col. H. Boyd McKeen, Lt. Col. Amos Stroh
148th PA, 392, Lt. Col. Robert McFarlane
2nd Brigade (The Irish Brigade), 532, Col. Patrick Kelly
28th MA, 224, Col. R. Byrnes
63rd NY A-B, 75, Lt. Col. Richard C. Bentley (), Capt. Thomas Touhy (?)
69th NY A-B, 75, Capt. Richard Moroney (?), Lt. James. J. Smith (?)
88th NY A-B, 90, Capt. Denis F. Burke (?)
116th PA A, C-D, 98, Maj. St. Clair A. Mulholland (?)
3rd Brigade, 975, Brig. Gen. Samuel K. Zook (k), Lt. Col. John Fraser
52nd NY & detachment from 7th NY (15), 134, Lt. Col. C.G. Freudenberg (w), Capt. William Scherrer (?)
57th NY, 175, Lt. Col. Alford B. Chapman (?)
66th NY, 147, Col. Orlando H. Morris (w), Lt. Col. John S. Hammell (?), Maj. Peter Nelson (?)
140th PA, 514, Col. Richard P. Roberts (k), Lt. Col. John Fraser
4th Brigade, 851, Col. John R. Brooke (w)
27th CT A-B, 75, Lt. Col. Henry C. Merwin (k), Maj. James H. Coburn
2nd DE, 234, Col. William P. Baily (?), Capt. Charles H. Christmas (?)
64th NY, 204, Col. Daniel G. Bingham (?), Maj. Leman W. Bradley (?)
53rd PA C-I, 135, Lt. Col. Richards McMichael
145th PA, 202, Col. Hiram L. Brown, Capt. John W. Reynolds (w), Capt. Moses Oliver
2nd Division, 3,608, Brig. Gen. John Gibbon (w), Brig. Gen. William Harrow
1st Brigade, 1,366
Brig. Gen. William Harrow, Col. Francis Heath
19th ME, 439, Col. Francis E. Heath, Lt. Col. Henry W. Cunningham (?)
15th MA, 239, Col. George H. Ward (mw), Lt. Col. George C. Joslin
1st MN A-K & 1st Co. MN Sharpshooters, 330, Col. William Colvill Jr. (w), Capt. Nathan S. Messick (k), Capt. Henry C. Coates
82nd NY (2nd Militia), 355, Lt. Col. James Huston (?), Capt. John Darrow (?)
2nd Brigade (The Philadelphia Brigade), 1,224 Brig. Alexander Webb (w)
69th PA, 284, Col. Dennis O'Kane (k), Capt. William Davis
71st PA, 261, Col. Richard Penn Smith (?)
72nd PA, 380, Col. De Witt C. Baxter, Lt. Col. Theodor Hesser
106th PA, 280, Lt. Col. William L. Curry
3rd Brigade, 922, Col. Norman Hall
19th MA, 163, Col. Arthur F. Devereux
20th MA, 243, Col. Paul J. Revere (mw), Lt. Col. George N. Macy (w), Capt. Henry L. Abbott
7th MI, 165, Lt. Col. Amos E. Steele Jr. (k), Maj. Sylvanus W. Curtis
42nd NY (Tammany), 197, Col. James J. Mallon (?)
59th NY, 152, Lt. Col. Max A. Thornton (?), Capt. William McFadden (?)
Attached: 1st Co. MA Sharpshooters, 42, Capt. William Plumer (?), Lt. Emerson L. Bicknell
3rd Division, 3,644, Brig. Gen. Alexander Hays
Provost Guard: 10th NY Battalion, 82, Maj. George F. Hopper
1st Brigade, 941, Col Samuel S. Carroll
14th IN, 191, Col. John Coons (?)
4th OH, 299, Lt. Col. Leonard W. Carpenter
8th OH, 209, Lt. Col Franklin Sawyer (w)
7th WV, 235, Lt. Col. Jonathan H. Lockwood (?)
2nd Brigade, 1,103, Col. Thomas A. Smyth (w), Lt. Col. Francis C. Pierce
Provost Guard, 36
14th CT, 172, Maj. Theodor G. Ellis
1st DE, 251, Lt. Col. Edward P. Harris (arrested by Gen. Hancock and removed from command), Capt. Thomas B. Hizar (?), Lt. William Smith (?), Lt. John T. Dent (?)
12th NJ, 444, Maj. John T. Hill (?)
108th NY, 200, Lt. Col. Francis E. Pierce (w)
3rd Brigade, 1,508, Col. George L. Willard (k), Col. Eliakim Sherrill (k),
Lt. Col. James M. Bull
39th NY (Garibaldi Guard) A-D, 269, Maj. Hugo Hildebrandt (?)
111th NY, 390, Col. Clinton D. McDougall (?), Lt. Col. Isaac M. Lusk (?), Capt. Aaron P. Seeley (?)
125th NY, 392, Lt. Col. Levin Crandell
126th NY, 455, Col. Eliakim Sherrill (k), Lt. Col. James M. Bull
Artillery Brigade, 28 guns, 605 men, Capt. John C. Hazard
1st NY Light Artillery, Battery B/14th NY Battery (4 10-pound Parrotts), 117, Lt. Albert S. Sheldon (?), Capt. James McKay Rorty (k), Lt. Robert Rogers (?)
1st RI Light Artillery, Battery A (6 3-inch rifles), 117, Capt. William A. Arnold
1st RI Light Artillery, Battery B (6 12-pound Napoleons), 129, Lt. T. Fred Brown (k), Lt. Walter S. Perrin (?)
1st US Artillery, Battery I (6 12-pound Napoleons), 112, Lt. George A. Woodruff (k), Lt. Tully McCrea (?)
4th US Artillery, Battery A (6 3-inch rifles), 126, Lt. Alonzo H. Cushing (k), Sgt. Frederick Fuger (?)





3rd Corps
10,675
Maj. Gen. Daniel E. Sickles (w)
Maj. Gen. David B. Birney (w)
Escort, 6th NY Cavalry A, 51
1st Division, 5,095, Maj. Gen. David B. Birney (w), Brig. Gen. J.H. Hobart Ward
1st Brigade, 1,516, Brig. Gen. Charles K. Graham (w, c), Col. Andrew Tippin
57th PA A-C, E-F, H-K, 207, Col. Peter Sides (w), Capt. Alanson H. Nelson
63rd PA, 246, Maj. John A. Danks
68th PA, 320, Col. Andrew H. Tippin, Capt. Milton S. Davis
105th PA, 274, Col. Calvin A. Craig (w)
114th PA, 259, Lt. Col. Frederick F. Cavada, Capt. Edward R. Bowen
141st PA, 209, Col. Henry J. Madill
2nd Brigade, 2,188, Brig. Gen. J.H. Hobart Ward, Col. Hiram Berdan
20th IN, 401, Capt. John Wheeler (k), Lt. Col. William C.L. Taylor (?)
3rd ME, 210, Col. Moses B. Lakeman (?)
4th ME, 287, Col. Eliajah Walker (w), Capt. Edwin Libby (?)
86th NY, 287, Lt. Col. Benjamin L. Higgins (?)
124th NY, 238, Col. A. Van Horne Ellis (k), Lt. Col Francis M. Cummins (w)
99th PA, 277, Maj. John W. Moore
1st US Sharpshooters, 313, Col. Hiram Berdan, Lt. Col. Casper Trepp (?)
2nd US Sharpshooters, A-I, 169, Maj. Homer R. Stoughton
3rd Brigade, 1,387, Col. P. Regis de Trobriand
17th ME, 350, Lt. Col. Charles B. Merrill (?)
3rd MI, 237, Col. Bryan R. Pierce (w), Lt. Col. Edwin S. Pierce (?)
5th MI, 216, Lt. Col. John Pulford
40th NY, 431, Col. Thomas W. Egan
110th PA A-C, E, H-I, 152, Lt. Col. David M. Jones, Maj. Isaac Rogers (?)
2nd Division, 4,924, Brig. Gen. Andrew A. Humphreys
1st Brigade, 1,718, Brig. Gen. Joseph B. Carr
1st MA, 321, Lt. Col. Clark B. Baldwin (w)
11th MA, 286, Lt. Col. Porter D. Tripp
16th MA, 245, Lt. Col. Waldo Merriam (w), Capt. Mathew Donovan
12th NH, 224, Capt. John F. Langley (w)
11th NJ, 275, Col. Robert McAllister (w), Capt. Luther Martin (?), Lt. John Schoonover (w), Capt. William H. Lloyd (w), Capt. Samuel T. Sleeper (?)
26th PA, 365, Maj. Robert L. Bodine
84th PA #, Lt. Col. Milton Opp
2nd Brigade, 1,837, Col. William R. Brewster
70th NY, 288, Col. J. Egbert Farnum (?)
71st NY, 243, Col. Henry L. Potter (?)
72nd NY, 305, Col. John S. Austin (?), Lt. Col. John Leonard (?)
73rd NY, 349, Maj. Michael W. Burns (?)
74th NY, 266, Lt. Col. Thomas Holt (?)
120th NY, 383, Lt. Col. Cornelius D. Westbrook (w), Maj. John R. Tappen
3rd Brigade, 1,365, Col. George C. Burling
2nd NH, 354, Col. Edward L. Bailey (w)
5th NJ, 206, Col. William J. Sewell, Capt. Thomas C. Godfrey, Capt. Henry H. Woolsey
6th NJ, 207, Col. Stephen R. Gilkyson
7th NJ, 275, Col. Louis R. Francine, Maj. Frederick Cooper
8th NJ, 170, Col. John Ramsey, Capt. John G. Langston
115th PA A-G, I-K, 151, Maj. John P. Dunne
Artillery Brigade, 30 guns, 596 men, Capt. George E. Randolph (w), Capt.A. Judson Clark
2nd NJ Light Battery (6 10-pound Parrotts), 131, Capt. A. Judson Clark, Lt.Robert Sims
1st NY Light Artillery, Battery D (6 12-pound Napoleons), 116, Capt. George B. Winslow (?)
4th NY Light Battery: Smith's (6 10-pound Parrotts), 126, Capt. James E. Smith
1st RI Light Artillery, Battery E (6 12-pound Napoleons), 108, Lt. John K. Bucklyn (w), Lt. Benjamin Freeborn
4th US Artillery, Battery K (6 12-pound Napoleons), 113, Lt. Francis W. Seeley (?), Lt. Robert James (?)





5th Corps
10,907
Maj. Gen. George Sykes
Escort, 7th PA Cavalry D,H, 78 (p)
Provost Guard 12th NY D,E, 99
1st Division, 3,417, Brig. Gen. James Barnes
1st Brigade, 655, Col. William S. Tilton
18th MA, 139, Col Joseph Hayes
22nd MA & 2nd Co. MA Sharpshooters, 137, Lt. Col. Thomas Sherwin Jr.
1st MI, 145, Col. Ira C. Abbott (w), Lt. Col. William A. Throop (w)
118th PA (The Corn Exchange Regiment), 233, Lt. Col. James Gwyn
2nd Brigade, 1,422, Col. Jacob B. Sweitzer
9th MA, 411, Col. Patrick R. Guiney
32nd MA, A-B, D-K, 242, Col. G.L. Prescott (w)4th MI, 342, Col. Harrison H. Jeffords (mw), Lt. Col. George W. Lumbard
62nd PA, A-M, 426, Lt. Col. James C. Hull
3rd Brigade, 1,336, Col. Stong Vincent (mortally wounded), Col. JamesC. Rice
20th ME, 501, Col. Joshua L. Chamberlain (slightlyw)
16th MI & Brady's Co. MI Sharpshooters, 263, Lt. Col. Norval E. Welch
44th NY, 391, Col. James C. Rice, Lt. Col. Freeman Conner
83rd PA, 295, Capt. Orpheus S. Woodward
2nd Division, 4,021, Brig. Gen. Romeyn B. Ayres
1st Brigade, 1,574, Col. Hannibal Day
3rd US B-C, F-G, I-K, 300, Capt. Henry W. Freedley (w), Capt. Rochard G. Lay (?)
4th US, C,F,H,K, 173, Capt. Julius W. Adams Jr. (?)
6th US, D-I, 196, Capt. Levi C. Bootes (?)
12th US A-D, G, 1st Battalion: A, C, D; 2nd Battalion, 413, Capt. Thomas S. Dunn (?)
14th US A-G; 1st Battalion, F, G; 2nd Battalion, 490, Maj. Grotius R. Giddings
2nd Brigade, 958, Col Sydney Burbank
2nd US B, C, F, H-K, 201, Maj. Arthur T. Lee (w), Capt. Samuel A. McKee (?)
7th US A, B, E, I, 116, Capt. David P. Hancock (?)
10th US D, G, H, 93, Capt. William Clinton (?)
11th US, B-G; 1st Battalion, 286, Maj. De Lancey Floyd-Jones (?)
17th US A, C, D, G, H; 1st Battalion: A, B; 2nd Battalion, 260, Lt. Col. J. Durell Greene (?)
3rd Brigade, Brig. Gen. Stephen H. Weed (k), Col. Kenner Garrard
140th NY, 447, Col. Patrick H. O'Rorke (k), Lt. Col. Louis Ernst (?)
146 NY, 454, Col. Kenner Garrard , Lt. Col. David T. Jenkins (?)
91st PA, 210, Lt. Col. Joseph H. Sinex
155 PA, 424, Lt. Col. John H. Cain
3rd Division, 2,853, Brig. Gen. Samuel W. Crawford
1st Brigade, 1,243, Col. William McCandless
1st PA reserves (30th PA), 377, Col. William C. Talley (?)
2nd PA Reserves (31st PA), 232, Lt. Col. George A. Woodward
6th PA Reserves (35th PA), 323, Lt. Col. Wellington H. Ent
13th PA Reserves (42nd PA, "Bucktails"), 297, Col. Charles F. Taylor (k), Maj. William R. Hartshorne (?)
3rd Brigade, 1,605, Col Joseph W. Fisher
5th PA Reserves (34th PA), 284, Lt. Col. George Dare
9th PA Reserves (38th PA), 320, Lt. Col. James McK. Snodgrass (?)
10th PA Reserves (39th PA), 401, Col. Adoniram J. Warner (?)
11th PA Reserves (40th PA), 327, Col. Samuel M. Jackson
12 PA Reserves (41st PA) A-I, 272, Col. Martin D. Hardin
Artillery Brigade, 26 guns, 432 men, Capt. Augustus P. Martin
3rd Battery (C), MA Light Artillery (6 12-pound Napoleons), 115, Lt. AaronF. Walcott
1st NY Light Artillery, Battery C (4 3-inch rifles), 62, Capt. Almontt Barnes
1st OH Light Artillery, Battery L (6 12-pound Napoleons), 113, Capt. FrankC. Gibbs
5th US Artillery, Battery D (6 10-pound Parrotts), 68, Lt. Charles E. Hazlett (k), Lt. Benjamin F. Rittenhouse (?)
5th US Artillery, Battery I (4 3-inch rifles),71, Lt. Malbone F. Watson (?), Lt.Charles C. MacConnell (?)

6th Corps
13,577
Maj. Gen. John Sedgwick
Escort, 1st NJ Cavalry L, 38, Capt. William S. Craft
Provost Guard, 1st PA Cavalry H, 54 (p), Capt. William S. Craft
1st Division, 4,207, Brig. Gen. Horatio Wright
Provost Guard, 4th NJ A, C, H, 80, Capt. William R. Maxwell
1st Brigade, 1,319, Brig. Gen. Albert T.A. Torbert
1st NJ, 253, Lt. Col. William Henry Jr.
2nd NJ, 357, Col. Charles Wiebecke (?)
3rd NJ, 281, Lt. Col. Edward L. Campbell
15th NJ, 410, Col. William H. Penrose
2nd Brigade, 1,322, Brig. Gen. Joseph L. Bartlett
5th ME, 293, Col. Clark S. Edwards (?)
121st NY, 409, Col. Emory Upton
95th PA, 308, Lt. Col. Edward Carroll
96th PA, 308, Maj. William H. Lessig
3rd Brigade, 1,480, Brig. Gen. David A. Russell, Brig. Gen. Joseph J. Bartlett (arrived July 3)
6th ME, 377, Col. Hiram Burham (?)
49th PA, 275, Lt. Col. Thomas M. Hulings
119th PA, 403, Col. Peter C. Ellmaker
5th WI, 419, Col. Thomas S. Allen (?)
2nd Division, 3,603, Brig. Gen. Albion P. Howe
2nd Brigade, 1,927, Col. Lewis A. Grant
2nd VT, 443, Col. James H. Walbridge
3rd VT, 364, Col. Thomas O. Seaver
4th VT, 380, Col. Charles B. Stoughton
5th VT, 294, Col. John R. Lewis
6th VT, 330, Col. Elisha L. Barney
3rd Brigade, 1,733, Brig. Gen. Thomas H. Neill
7th ME B-D, F, I-K, 216, Lt. Col. Seldon Connor (?)
33rd NY (detachment) , 60, Capt. Henry J. Gifford
43rd NY, 370, Lt. Col. John Wilson
49th NY, 358, Col. Daniel D. Bidwell
77th NY, 367, Col. Winsor B. French (?)
61st PA, 286, Lt. Col. George F. Smith (?)
3rd Division, 4,731, Maj. Gen. John Newton, Brig. Gen. Frank Wheaton
1st Brigade, 1,766, Brig. Gen. Alexander Shaler
65th NY, 276, Col. Joseph E. Hamblin (?)
67th NY, 349, Col. Nelson Cross (?)
122nd NY, 395, Col. Silas Titus
23rd PA, 466, Lt. Col. John F. Glenn
82nd PA, 277, Col. Isaac C. Bassett
2nd Brigade, 1,591, Col. Henry L. Eustis
7th MA, 319, Lt. Col. Franklin P. Harlow
10th MA, 360, Lt. Col. Joseph B. Parsons
37th MA, 564, Col. Oliver Edwards
2nd RI, 347, Col. Horatio Rogers Jr,
3rd Brigade, 1,368, Brig. Gen. Frank Wheaton, Col. David J. Nevin
62nd NY, 237, Col. David J. Nevin, Lt. Col. Theodore B. Hamilton (?)
93rd PA, 351, Maj. John I. Nevin
98th PA, 351, Maj. John B. Kohler
102nd PA, 103#, Col. John W. Patterson
139th PA, 442, Col. Frederick H. Collier (w), Lt. Col. William H. Moody
Artillery Brigade, 46 guns, 937 men, Col. Charles H. Tompkins
1st Battery, MA Light Artillery (6 12-pound Napoleons), 135, Capt. William H. McCartney
1st Battery, NY Light Artillery (6 3-inch rifles), 103, Capt. Andrew Cowan
3rd Battery, NY Light Artillery (6 10-pound Parrotts), 111, Capt. William A. Harn
1st RI Artillery, Battery C (6 3-inch rifles), 116, Capt. Richard Waterman
1st RI Light Artillery, Battery G (6 10-pound Parrotts), 126, Capt. George W. Adams
2nd US Artillery, Battery D (4 12-pound Napoleons), 126, Lt. Edward B. Williston (?)
2nd US Artillery, Battery G (6 12-pound Napoleons), 101, Lt. John H. Butler (?)
5th US Artillery, Battery F (6 10-pound Parrotts), 116, Lt. Leonard Martin (?)





11th Corps
9,054
Maj. Gen. Oliver O. Howard
Maj. Gen. Carl Schurz
Maj. Gen. Oliver O. Howard
Escort, 1st IN Cavalry I-K, 50, Capt. Abram Sharra (?)
Provost Guard, 17th PA Cavalry K, 36
Headquarters Guard, 8th NY Independent Co., 40, Lt. Hermann Foerster (?)
1st Division, 2,459, Brig. Gen. Francis Barlow (w), Brig. Gen. AdelbertAmes
1st Brigade, 1,118, Col. Leopold von Gilsa
41st NY A-E, G-K, 218, Lt. Col. Detleo von Einsiedel (?)
54th NY, 183, Maj. Stephen Kovacs, Lt. Ernst Both (?)
68th NY, 226, Col. Gotthilf Bourry (?)
153rd PA, 487, Maj. John F. Frueauff
2nd Brigade, 1,337, Brig. Gen. Adelbert Ames, Col. Andrew L. Harris
17th CT, 386, Lt. Col. Douglas Fowler (k), Maj. Allen G. Brady (w)
25th OH, 220, Lt. Col. Jeremiah Williams (w), Capt. Nathaniel J. Manning, Lt.William Maloney, Lt. israel White
75th OH, 269, Col. Andrew L. Harris (w)
107th OH, 458, Col. Seraphim Meyer, Capt. John M. Lutz
2nd Division, 2,775, Brig. Gen. Adolph von Steinwehr
1st Brigade, 1,156, Col. Charles R. Coster
134th NY, 400, Lt. Col. Allan H. Jackson (?)
154th NY, 190, Col. D. B. Allen (?)
27th PA A-E, G-K, 277, Lt. Col. Lorenz Cantador
73rd PA, 284, Capt. D. F. Kelley
2nd Brigade, 1,614, Col. Orlando Smith
33rd MA, 481, Col. Aldin B. Underwood
136th NY, 473, Col. James Wood Jr. (?)
55th OH, 321, Col. Charles B. Gambee
73rd OH, 338, Lt. Col. Richard Long
3rd Division, 3,079, Maj. Gen. Carl Shurz, Brig. Gen. Alexander Schimmelfennig
1st Brigade, 1,670, Brig. Gen. Alexander Schimmelfennig, Col. George von Amsberg, Brig. Gen. Alexander Schimmelfennig
82nd IL, 310, Lt. Col. Edward S. Salomon (?)
45th NY, 375, Col. George von Amsberg, Lt. Col. Adolphus Dobke
157 NY 409, Col. Phillip P. Brown Jr. (?)
61st OH, 247, Col. Stephen J. McGroarty
74th PA A, B, D-K, 326, Col. Adolph von Hartung (?), Lt. Col. Alexander von Mitzel (c), Capt. Gustav Schleiter (?), Capt. Henry Krauseneck (?)
2nd Brigade, 1,403, Col. Wladimir Kryzanowski
58th NY, 193, Lt. Col. August Ottom Capt. Emil Koenig
119th NY, 257, Col. John T. Lockman (w), Lt. Col. Edward F. Llloyd
82nd OH, 312, Col. James S. Robinson (w), Lt. Col. David Thomson
75th PA A-I, 208, Col. Francis Mahler, Maj. August Ledig
26th WI, 435, Lt. Col. Hans Boebel (w), Capt. John W. Fuchs (?)
Artillery Brigade, 26 guns, 604 men, Maj. Thomas W. Osborn
1st NY Light Artillery, Battery I (6 3-inch rifles), 141, Capt. Michael Wiedrich (?)
13th Battery, NY Light Artillery (4 3-inch rifles), 110, Lt. William Wheeler (?)
1st OH Light Artillery, Battery I (6 12-pound Napoleons), 127, Capt. Hubert Dilger
1st OH Light Artillery, Battery K (4 12-pound Napoleons), 110, Capt. Lewis Heckman
4th US Artillery, Battery G (6 12-pound Napoleons), 115, Lt. Bayard Wilkeson (mw), Lt. Eugene A. Bancroft (?)



12th Corps
9,788
Maj. Gen. Henry W. Slocum
Brig. Gen. Alpheus S. Williams
Provost Guard, 10th ME A, B, D, 169, Capt. John D. Beardsley (?)
1st Division, 5,256, Brig. Gen. Alpheus S. Williams, Brig. Gen. Thomas H. Ruger
1st Brigade, 1,835, Col. Archibald L. McDougall
5th CT, 221, Col. W. W. Packer
20th CT, 321, Lt. Col. William B. Wooster
3rd MD (arrived July 2), 290, Col. Joseph M. Sudsburg
123rd NY. 495, Col. James C. Rogers, Capt. Adolphus H. Tanner
145th NY, 245, Col. E.L. Price (?)
46th PA, 262, Capt. James L. Selfridge
2nd Brigade, 1,818, Brig. Gen. Henry H. Lockwood
1st MD Eastern Shore, 532, Col. James Wallace
1st MD Potomac Home Brigade, 674, Col. William P. Maulsby
150th NY, 609, Col. John H. Ketchum (?)
3rd Brigade, 1,598, Brig. Gen. Thomas H. Ruger, Col. Silas Colgrove
27th IN, 339, Col. Silas Colgrove, Lt. Col. John R. Fesler (?)
2nd MA, 316, Lt. Col. Charles R. Mudge (k), Maj. Charles F. Morse
13th NJ, 347, Col. Ezra A. Carman
107th NY. 319, Col. Nirom M. Crane
3rd WI, 260, Col. William Hawley (?)
2nd Division, 3,964. Brig. Gen. John W. Geary
Provost Guard, 28th PA B, 37
1st Brigade, 1,798, Col. Charles Candy
5th OH, 302, Col. John H. Patrick
7th OH, 282, Col. William R. Creighton
29th OH, 308, Col. Wilbur F. Stevens (?), Capt. Edward Hayes
66th OH, 303, Col. Eugene Powell
28th PA A, C-K, 303, Capt. John Flynn (w)
147th PA, 298, Lt. Col. Ario Pardee Jr.
2nd Brigade, 700, Col. George A. Cobham Jr., Brig. Gen. Thomas L. Kane, Col. George A. Cobham Jr.
29th PA, 357, Col. William Rickards Jr.
109th PA, 149, Capt. F. L. Gimber
111th PA, 191, Lt. Col. Thomas M. Walker, Col. George A. Cobham Jr., Lt. Col. Thomas M. Walker
3rd Brigade, 1,424, Brig. Gen. George S. Greene
60th NY, 272, Col. Abel Godard (?)
78th NY, 198, Lt. Col. Herbert von Hammerstein (?)
102nd NY, 230, Capt. James C. Lane (?)
137th NY, 423, Col. David Ireland (? but survived Gettysburg)
149th NY, 297, Col. Henry A. Barnum (became ill, 7/2), Lt. Col. Charles B. Randall (?)
Artillery Brigade, 20 guns, 391 men, Lt. Edward D. Muhlenberg
1st NY Light Artillery, Battery M (4 10-pound Parrotts), 90, Lt. Charles E.Winegar
PA Light Artillery, Battery E (6 10-pound Parrotts), 139, Lt. Charles A. Atwell
4th US Artillery, Battery F (6 12-pound Napoleons), 89. Lt. Sylvanus T. Rigg (?)
5th US Artillery, Battery K (4 12-pound Napoleons), 77, Lt. David H. Kinzie (?)



Cavalry Corps
12,101
Maj. Gen. Alfred Pleasonton
1st Division, 4,544, Brig. Gen. John Buford
1st Brigade, 1,600, Col. William Gamble
Headquarters Guard, 6th NT Cavalry L, 35
8th IL Cavalry, 470, Maj. John L. Beveridge
12th IL Cavalry, E, F, H-I, 470, Col. George H. Chapman (?)
3rd IN Cavalry G-M, 233, Col. George H. Chapman (?)
8th NY Cavalry, 580, Lt. Col. William H. Markell (?)
2nd Brigade, 1,148, Col. Thomas C. Devin
6th NY Cavalry B, C, E-G, I, M, 215, Maj. William E. Beardsley (?)
9th NY Cavalry, 367, Col. William Sackett (?)
17th PA Cavalry A-C, E-G, I-M, 464, Col. J.H. Kellogg
3rd WV Cavalry A, C, 59, Capt. Seymour R. Conger (?)
Reserve Brigade (arrived July 3; detached to 3rd Cavalry Division), 1,792, Brig. Gen. Wesley Merritt
6th PA Cavalry A-D, F-H, K-M, 242, Maj. James H. Haseltine (?)
1st US Cavalry A-E, G-M, 362, Capt. Richard S.C. Lord (?)
2nd US Cavalry, 407, Capt. T. F. Rodenbough (?)
5th US Cavalry, 306, Capt. Julius W. Mason (?)
6th US Cavalry, 475, Maj. Samuel H. Starr (w ,c), Lt. Louis H. Carpenter (?), Lt. Nicholas Nolan (?), Capt. Ira W. Claflin (?)
2nd Division, 2,664, Brig. Gen. David McM. Gregg
Headquarters Guard, 1st OH Cavalry A, 37
1st Brigade, 2 guns, 1,561 men, Col. John B. McIntosh
1st MD Cavalry A-L, 285, Lt. Col. James M. Deems
Purnell (MD) Legion A, 66, Capt. Robert E. Duvall
1st MA A-H, 250 (guarding army Headquarters), Lt. Col. Greely S. Curtis
1st NJ Cavalry, 218, Maj. M. H. Beaumont
1st PA Cavalry A-g, I-M, 355, Col. John P. Taylor
3rd PA Cavalry, 335, Lt. Col. E. S. Jones
3rd PA Heavy Artillery, Battery H (2 3-inch rifles), 52 (p), Capt. W. D. Rank
2nd Brigade#, Col. Pennock Huey
2nd NY Cavalry, Col. Otto Harkhaus
4th NY Cavalry, Lt. Col. Augustius Pruyn
6th OH Cavalry A-E, G-L, Maj. William Stedman
8th PA Cavalry, Capt. William A. Corrie
3rd Brigade, 1,263, Col. J. Irvin Gregg
1st ME Cavalry A, B, D-K, M, 315, Lt. Col. Charles H. Smith (?)
10th NY Cavalry, 333, Maj. M. Henry Avery (?)
4th PA Cavalry, 258, Lt. Col. William E. Doster
16th PA Cavalry, 349, Lt. Col. John K. Robison
3rd Division, 3,902, Brig. Gen. Judson Kilpatrick
Headquarters Guard, 1st OH Cavalry C, 40
1st Brigade, 1,925, Brig. Gen. Elon Farnsworth (k), Col Nathaniel P. Richmond
5th NY Cavalry, 420, Maj. John Hammond
18th PA Cavalry, 509, Lt. Col. William P. Brinton (?)
1st VT Cavalry, 600, Col. Addison W. Preston
1st WV Cavalry B-h, L-N, 395, Col. Nathaniel P. Richmond, Maj. Charles E. Capehart (?)
2nd Brigade (July 3 with 2nd Cavalry Division), 934, Brig. Gen. George A. Custer
1st MI Cavalry, 427, Col. Charles H. Town
5th MI Cavalry, 646, Col. Russell A. Alger
6th MI Cavalry, 477, Col. George Gray
7th MI Cavalry A-K, 383, Col. William D. Mann
1st Horse Artillery Brigade, 28 guns, 492 men, Capt. James M. Robertson
9th MI Battery (6 3-inch rifles), 111, Capt. Jabez J. Daniels
6th NY Battery (6 3-inch rifles), 103, Capt. Joseph W. Martin
2nd US Artillery, Batteries B & L (6 3-inch rifles), 99, Lt. Edward Heaton (?)
2nd US Artillery, Battery M (6 3-inch rifles), 117, Lt. A. C. M. Pennington Jr. (?)
4th US Artillery, Battery E (4 3-inch rifles), 60, Lt. Samuel S. Elder (?)
2nd Horse Brigade, 12 guns, 272 men, Capt. John C. Tindall
1st US Artillery, Batteries E & G (4 3-inch rifles), 82, Capt. Alanson M. Randol (?)
1st US Artillery, Battery K (6 3-inch rifles),114, Capt. William M. Graham (?)
2nd US Artillery, Battery A (6 3-inch rifles), 74, Lt. John H. Calef (?)
3rd US Artillery, Battery C (6 3-inch rifles)#, Lt. William D. Fuller



Artillery Reserve
110 guns, 2,376 men
Brig. Gen. Robert O. Tyler
Headquarters Guard, 32nd MA C, 45, Capt. Josiah C. Fuller
Train Guard, 4th NJ B, D-G, I-K, 272, Maj. Charles Ewing (?)
1st Regular Brigade, 24 guns, 445 men, Capt. Dunbar R. Ransom (w)
1st US Artillery, Battery H (6 12-pound Napoleons), 129, Lt. Chandler P. Eakin (?), Lt. Philip D. Mason (?)
3rd US Artillery, Batteries F & K (6 12-pound Napoleons), 115, Lt. John G. Turnbull (?)
4th US Artillery, Battery C (6 12-pound Napoleons), 95, Lt. Evan Thomas (?)
5th US Artillery, Battery C (6 12-pound Napoleons), 104, Lt. Gulian V. Weir (?)
1st Volunteer Brigade, 22 guns, 385 men, Lt. Col. Freeman McGilvery
5th Battery, MA Light Artillery/19th NY Battery (6 3-inch rifles), 104, Capt. Charles A. Phillips
9th Battery, MA Light Artillery (6 12-pound Napoleons), 104, Capt. John Bigelow (w), Lt. Richard S. Milton
15th Battery, NY Light Artillery (4 12-pound Napoleons), 70, Capt. Patrick Hart (?)
PA Light Artillery, Batteries C & F (6 3-inch rifles), 105, Capt. James Thompson (w)
2nd Volunteer Brigade, 12 guns, 241 men, Capt. Elijah D. Taft
1st CT Heavy Artillery, Battery B (4 4.5-inch rifles)#, Capt. Albert F. Brroker
1st CT Heavy Artillery, Battery M (4 4.5-inch rifles)#, Capt. Franklin A. Pratt2nd Battery, CT Light Artillery (4 12-pound James, 2 12-pound howitzers), 93, Capt. John W. Sterling
5th Battery, NY Light Artillery (6 20-pound Parrotts), 146, Capt. Elijah D. Taft
3rd Volunteer Brigade, 22 guns, 431 men, Capt. James F. Huntington
1st Battery, NH Light Artillery (6 3-inch rifles), 86, Capt. Frederick M. Edgell
1st OH Light Artillery, Battery H (6 3-inch rifles), 99, Lt. George W. Norton
1st PA Light Artillery, Batteries F & G (6 3-inch rifles), 144, Capt. R. Bruce Ricketts (?)
WV Light Artillery, Battery C (4 10-pound Parrotts), 100, Capt. Wallace Hill (?)
4th Volunteer Brigade, 24 guns, 499 men, Capt. Robert H. Fitzhugh
6th Battery (F), ME Light Artillery (6 12-pound Napoleons), 87, Lt. Edwin B. Dow (?)
MD Light Artillery, Battery A (6 3-inch rifles), 106, Capt. James H. Rigby
1st Battery, NJ Light Artillery (6 10-pound Parrotts), 98. Lt. Augustin N. Parsons
1st NY Light Artillery, Battery G (6 12-pound Napoleons), 84, Capt. Nelson Ames
1st NY Light Artillery/11th NY Battery (K) (6 3-inch rifles), 128, Capt. Robert H. Fitzhugh





Notes:
The Engineer Brigade (see the first section of the Order, above) was at Beaver Dam Creek, MD, in July 1, when most of it was ordered to Washington, arriving there on July 3.
The 12th and 15th VT Regiments (from Doubleday's 3rd Division of the 1st Corps) guarded wagon trains during the battle
The 102nd PA (from Newton's, then Wheatons, 2nd Division of the 6th Corps) guarded trains at Westminster, MD, during the battle; but on July 3 a detachment of 103 men from this Regiment arrived on the battlefield, escorting a supply column.
The 84th PA (Humphreys's 2nd Division of the 3rd Corps), Battery M of the 1st CT Heavy Artillery (from the 2nd Volunteer Artillery Brigade), the 2nd Brigade of the 2nd Cavalry Division, and Battery C of the 3rd US Artillery (from the 3rd Cavalry Division) guarded trains at Westminster during the battle.
Battery B of the 1st CT Heavy Artillery (see above) was at Taneytown, MD, during the battle.

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Header photo courtesy of Matt Callery