ARMY OF THE POTOMAC

ARMY OF THE POTOMAC

Union Order of Battle

Battle of Gettysburg

ARMY OF THE POTOMAC

GENERAL HEADQUARTERS
Brig. General Marsena R. Patrick

93rd New York- Col. John S. Crocker
8th United States (8 cos.)- Capt. Edwin W. H. Read
2nd Pennsylvania Cavalry- Col. R. Butler Price
6th Pennsylvania Cavalry (Co's E, I)- Capt. James Starr
United States Cavalry (detachments from 1st, 2nd, 5th, & 6th US)
Oneida (New York) Cavalry- Capt. Daniel P. Mann

FIRST ARMY CORPS
Maj. General John F. Reynolds; Maj. General Abner Doubleday; Maj. General John Newton

First Division- Brig. General James S. Wadsworth

First Brigade- Brig. General Solomon Meredith; Colonel William W. 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- Lt. Col. Rufus R. Dawes
7th Wisconsin- Col. William W. Robinson; Maj. Mark Finnicum

Second Brigade- Brig. General Lysander Cutler
7th Indiana- Col. Ira G. Grover
76th New York- Maj. Andrew J. Grover; Capt. John E. Cook
84th New York (14th Militia)- Col. Edward B. Fowler
95th New York- Col. George H. Biddle; Maj. Edward Pye
147th New York- Lt. Col. Francis C. Miller; Maj. George Harney
56th Pennsylvania- Col. J. William Hofmann

Second Division- Brig. General John C. Robinson

First Brigade- Brig. General Gabriel R. Paul; Colonel Samuel H. Leonard; Colonel Adrian R. Root; Colonel Richard Coulter; Colonel Peter Lyle; Colonel Richard Coulter
16th Maine- Col. Charles W. Tilden, Maj. Archibald D Leavitt
13th Massachusetts- Col. Samuel H. Leonard; Lt. Col. N. Walter Batchelder
94th New York- Col. Adrian R. Root; Maj. Samuel A. Moffett
104th New York- Col. Gilbert G. Prey
107th Pennsylvania- Lt. Col. James M. McThompson; Capt. Emanuel D. Roath

Second Brigade- Brig. General Henry Baxter
12th Massachusetts- Col. James L. Bates; Lt. Col. David Allen, Jr
83rd New York (9th Militia)- Lt. Col. 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

Third Division- Maj. General Abner Doubleday; Brig. General Thomas A. Rowley

First Brigade- Colonel Chapman Biddle; Brig. General 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; Lieut. Col. A. B. McCalmont
151st Pennsylvania- Lt. Col. George F. McFarland; Capt. Walter F. Owens; Col. Harrison Allen

Second Brigade- Colonel Roy Stone; Colonel Langhorne Wister; Colonel Edmund L. Dana
143rd Pennsylvania- Col. Edmund L. Dana; Lt. Col. John D. Musser
149th Pennsylvania- Lt. Col. Walton Dwight; Capt. James Glenn
150th Pennsylvania- Col. Langhorne Wister; Lieut. Col. H. S. Huidekoper; Capt. Cornelius C. Widdis

Third Brigade- Brig. General George J. Stannard; Colonel Francis V. Randall
12th Vermont- Col. Asa P. Blunt
13th Vermont- Col. Francis V. Randall; Maj. Joseph J. Boynton; Lt. Col. William D. Munson
14th Vermont- Col. William T. Nicholls
15th Vermont- Col. Redfield Proctor
16th Vermont- Col. Wheelock G. Veazey

Artillery Brigade- Colonel Charles S. Wainwright
Battery B, 2nd Maine Light- Capt. James A. Hall
Battery E, 5th Maine Light- Capt. Greenleaf T. Stevens
Batteries L & E, 1st New York Light- Capt. Gilbert H. Reynolds; Lt. George Breck
Battery B, 1st Pennsylvania Light- Capt. James H. Cooper
Battery B, 4th United States- Lt. James Stewart

SECOND ARMY CORPS

Maj. General Winfield S. Hancock; Brig. General John Gibbon

First Division- Brig. General John C. Caldwell

First Brigade- Col. Edward E. Cross; Colonel H. Boyd McKeen
5th New Hampshire- Lt. Col. Charles E. Hapgood
61st New York- Col. K. Oscar Broady
81st Pennsylvania- Lt. Col. Amos Stroh
148th Pennsylvania- Col. H. Boyd McKeen; Lieut. Col. Robert McFarlane

Second Brigade- Colonel Patrick Kelly
28th Massachusetts- Col. Richard Byrnes
63rd New York (2 cos.)- Lt. Col. Richard C. Bently; Capt. Thomas Touhy
69th New York (2 cos.)- Capt. Richard Moroney; Lt. James J. Smith
88th New York (2 cos.)- Capt. Denis F. Burke
116th Pennsylvania (4 cos.)- Maj. St. Clair A. Mulholland

Third Brigade- Colonel Samuel K. Zook; Lt. Colonel John Fraser
52nd New York- Lt. Col. Charles G. Freudenberg; Capt. William Scherrer
57th New York- Lt. Col. Alford B. Chapman
66th New York- Col. Orlando H. Morris; Lt. Col. John S. Hammell; Maj. Peter Nelson
140th Pennsylvania- Col. Richard P. Roberts; Lt. Col. John Fraser

Fourth Brigade- Colonel John R. Brooke
27th Connecticut (2 cos.)- Lt. Col. 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- Lt. Col. Richard McMichael
145th Pennsylvania (7 cos.)- Col. Hiram L. Brown; Capt. John W. Reynolds; Capt. Moses W. Oliver

Second Division - Brig. General John Gibbon; Brig. General William Harrow.

First Brigade- Brig. General William Harrow; Colonel Francis E. Heath
19th Maine- Col. Francis E. Heath; Lt. Col. Henry W. Cunningham
15th Massachusetts- Col. George H. Ward; Lt. Col. George C. Joslin
1st Minnesota (inc. 2nd Co. Minnesota Sharpshooters)- Col. William Colvill, Jr.; Capt. Nathan S. Messick Capt. Henry C. Coates
82nd New York (2nd Militia)- Lt. Col. James Huston; Capt. John Darrow

Second Brigade- Brig. General 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; Lt. Col. Theodore Hesser
106th Pennsylvania- Lieut. Col. William L. Curry

Third Brigade- Colonel Norman J. Hall
19th Massachusetts- Col. Arthur F. Devereaux
20th Massachusetts- Col. Paul J. Revere; Lt. Col. George N. Macy; Capt. Henry L. Abbott
7th Michigan- Lt. Col. Amos E. Steele, Jr.; Maj. Sylvanus W. Curtis
42nd New York- Col. James E. Mallon
59th New York (4 cos.)- Lieut. Col. Max A. Thoman; Capt. William McFadden
1st Co., Massachusetts Sharpshooters (Unattached)- Capt. William Plumer; Lt. Emerson L. Bicknell

Third Division- Brig. General Alexander Hays

First Brigade- Colonel Samuel S. Carroll
14th Indiana- Col. John Coons
4th Ohio- Lt. Col. Leonard W. Carpenter
8th Ohio- Lt. Col. Franklin Sawyer
7th West Virginia- Lt. Col. Jonathan H. Lockwood

Second Brigade- Colonel Thomas A. Smyth; Lt. Colonel Francis E. Pierce
14th Connecticut- Maj. Theodore G. Ellis
1st Delaware- Lt. Col. Edward P. Harris; Capt. Thomas B. Hizar; Lt. William Smith; Lt. John D. Dent
12th New Jersey- Maj. John T. Hill
10th New York Bn- Maj. George F. Hopper
108th New York- Lt. Col. Francis E. Pierce

Third Brigade- Colonel George L. Willard; Colonel Eliakim Sherrill; Lt. Col. James L. Bull
39th New York (4 cos.)- Maj. Hugo Hildebrandt
111th New York- Col. Clinton D. MacDougall; Lt. Col. Isaac M. Lusk; Capt. Aaron B. Seeley
125th New York- Lt. Col. Levin Crandell
126th New York- Col. Eliakim Sherrill; Lt. Col. James L. Bull

Artillery Brigade- Capt. John G. Hazard
Battery G, 1st New York Light and 14th New York Battery- Lt. Albert S. Sheldon; Capt. James M. Rorty; Lt. Robert E. Rogers
Battery A, 1st Rhode Island- Capt. William A. Arnold
Battery B, 1st Rhode Island- Lt. T. Fred Brown
Battery I, 1st United States- Lt. George A. Woodruff; Lt. Tully McCrea
Battery A, 4th United States- Lt. Alonzo H. Cushing; Sgt. Frederick Fuger

THIRD ARMY CORPS
Maj. General Daniel E. Sickles; Maj. General David B. Birney

First Division- Maj. General David B. Birney; Brig. General J. H. Hobart Ward

First Brigade- Brig. General Charles K. Graham; Colonel Andrew H. Tippin
57th Pennsylvania (8 cos.)- 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- Lt. Col. Frederick F. Cavada; Capt. Edward R. Bowen
141st Pennsylvania- Col. Henry J. Madill

Second Brigade- Brig. General J. H. Hobart Ward; Colonel Hiram Berdan
20th Indiana- Col. John Wheeler; Lt. Col. William C. L. Taylor
3rd Maine- Col. Moses B. Lakeman
4th Maine- Col. Elijah Walker; Capt. Edward Libby
86th New York- Lt. Col. Benjamin L. Higgins
124th New York- Col. Van Horne Ellis; Lt. Col. Francis L. Cummins
99th Pennsylvania- Maj. John W. Moore
1st United States Sharpshooters- Col. Hiram Berdan; Lt. Col. Casper Trepp
2nd United States Sharpshooters (8 cos.)- Maj. Homer R. Stoughton

Third Brigade- Colonel P. Regis De Trobriand
17th Maine- Lt. Col. Charles B. Merrill
3rd Michigan- Col. Byron R. Pierce; Lt. Col. Edward S. Pierce
5th Michigan- Lt. Col. John Pulford
40th New York- Col. Thomas W. Egan
110th Pennsylvania (6 cos.)- Lt. Col. David M. Jones; Maj. Isaac Rogers

Second Division- Brig. General Andrew A. Humphreys

First Brigade- Brig. General Joseph B. Carr
1st Massachusetts- Lt. Col. Clark B. Baldwin
11th Massachusetts- Lt. Col. Porter D. Tripp
16th Massachusetts- Lt. Col. 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

Second Brigade- Colonel William R. Brewster
70th New York- Col. J. Egbert Farnum
71st New York- Col. Henry L. Potter
72nd New York- Col. John S. Austin; Lt. Col. John Leonard
73rd New York- Maj. Michael W. Burns
74th New York- Lt. Col. Thomas Holt
120th New York- Lt. Col. Cornelius D. Westbrook; Maj. John R. Tappen

Third Brigade- Colonel 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- Lt. Col. Stephen R. Gilkyson
7th New Jersey- Col. Louis R. Francine; Maj. Fred Cooper
8th New Jersey- Col. John Ramsey; Capt. John G. Langston
115th Pennsylvania- Maj. John P. Dunne

Artillery Brigade- Captain George E. Randolph; Captain A. Judson Clark
2nd Battery B, 1st New Jersey Light- Capt. A. Judson Clark; Lt. Robert Sims
Battery D, 1st New York- Capt. George B. Winslow
4th New York Lt. Battery- Capt. James E. Smith
Battery E, 1st Rhode Island- Lt. John K. Bucklyn; Lt. Benjamin Freeborn
Battery K, 4th United States- Lt. Francis W. Seeley; Lt. Robert James

FIFTH ARMY CORPS
Maj. General George Sykes

First Division- Brig. General James Barnes

First Brigade- Colonel William S. Tilton
18th Massachusetts- Col. Joseph Hayes
22nd Massachusetts- Lt. Col. Thomas Sherwin, Jr.
1st Michigan- Col. Ira C. Abbot; Lt. Col. William A. Throop
118th Pennsylvania- Lt. Col. James Gwyn

Second Brigade- Colonel Jacob B. Sweitzer
9th Massachusetts- Col. Patrick R. Guiney
32nd Massachusetts- Col. George L. Prescott
4th Michigan- Col. Harrison H. Jeffords; Lt. Col. George W. Lumbard
62nd Pennsylvania- Lt. Col. James C. Hull

Third Brigade- Colonel Strong Vincent; Colonel James C. Rice
20th Maine- Col. Joshua L. Chamberlain
16th Michigan- Lt. Col. Norval E. Welch
44th New York- Col. James C. Rice; Lt. Col. Freeman Conner
83rd Pennsylvania- Capt. Orpeus S. Woodward

Second Division- Brig. General Romeyn B. Ayres

First Brigade- Colonel Hannibal Day
3rd United States (6 cos.)- Capt. Henry W. Freedley; Capt. Richard G. Lay
4th United States (4 cos.)- Capt. Julius W. Adams, Jr.
6th United States (5 cos.)- Capt. Levi C. Bootes
12th United States (8 cos.)- Capt. Thomas S. Dunn
14th United States (8 cos.)- Maj. Grotius R. Giddings

Second Brigade- Colonel Sidney Burbank
2nd United States (6 cos.)- Maj. Arthur T. Lee; Capt. Samuel A. McKee
7th United States (4 cos.)- Capt. David P. Hancock
10th United States (3 cos.)- Capt. William Clinton
11th United States (6 cos.)- Maj. DeLancey Floyd-Jones
17th United States (7 cos.)- Lt. Col. J. Durell Greene

Third Brigade- Brig. General Stephen H. Weed; Colonel Kenner Garrard
140th New York- Col. Patrick O'Rorke; Lt. Col. Louis Ernst
146th New York- Col. Kenner Garrard; Lt. Col. David T. Jenkins
91st Pennsylvania- Lt. Col. Joseph H. Sinex
155th Pennsylvania- Lt. Col. John H. Cain

Third Division- Brig. Gen. Samuel H. Crawford

First Brigade- Colonel William McCandless
1st Pennsylvania Reserves (9 cos.)- Col. William C. Talley
2nd Pennsylvania Reserves- Lt. Col. George A. Woodward
6th Pennsylvania Reserves- Lt. Col. Wellington H. Ent
13th Pennsylvania Reserves- Col. Charles F. Taylor; Maj. William R. Hartshorne

Second Brigade- Colonel Joseph W. Fisher
5th Pennsylvania Reserves- Lt. Col. George Dare
9th Pennsylvania Reserves- Lt. James McK. Snodgrass
10th Pennsylvania Reserves- Col. Adoniram J. Warner
11th Pennsylvania Reserves- Col. Samuel M. Jackson
12th Pennsylvania Reserves (9 cos.)- Col. Martin D. Hardin

Artillery Brigade- Captain Augustus P. Martin
3rd Battery C, Massachusetts Lt. Artillery- Lt. Aaron F. Walcott
Battery C, 1st New York Light- Capt. Almont Barnes
Battery L, 1st Ohio Light- Capt. Frank C. Gibbs
Battery D, 5th United States- Lt. Charles E. Hazlett; Lt. Benjamin F. Rittenhouse
Battery I, 5th United States- Lt. Malbone F. Watson; Lt. Charles C. MacConnell

SIXTH ARMY CORPS
Maj. General John Sedgwick

First Division- Brig. General Horatio G. Wright

First Brigade- Brig. General Alfred T. A. Torbert
1st New Jersey- Lt. Col. William Henry, Jr.
2nd New Jersey- Lt. Col. Charles Wiebecke
3rd New Jersey- Col. Henry W. Brown
15th New Jersey- Col. William H. Penrose

Second Brigade- Brig. General Joseph J. Bartlett
5th Maine- Col. Clark S. Edwards
121st New York- Col. Emory Upton
95th Pennsylvania- Lt. Col. Edward Carroll
96th Pennsylvania- Maj. William H. Lessig

Third Brigade- Brig. General David A. Russell
6th Maine- Col. Hiram Burnham
49th Pennsylvania (4 cos.)- Lt. Col. Thomas L. Hulings
119th Pennsylvania- Col. Peter S. Ellmaker
5th Wisconsin- Col. Thomas S. Allen

Second Division- Brig. General Albion P. Howe

Second 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- Lt. Col. John R. Lewis
6th Vermont- Col. Elisha L. Barney

Third Brigade- Brig. General Thomas H. Neill
7th Maine (6 cos.)- Lt. Col. Selden Connor
33rd New York- Capt. Henry J. Gifford
43rd New York- Lt. Col. John Wilson
49th New York- Col. Daniel D. Bidwell
77th New York- Lt. Col. Winsor B. French
61st Pennsylvania- (Lieut. Col. George F. Smith

Third Division- Maj. General John Newton; Brig. General Frank Wheaton

First Brigade- Brig. General Alexander Shaler
65th New York- Col. Joseph E. Hamblin
67th New York- Col. Nelson Cross
122nd New York- Col. Silas Titus
23rd Pennsylvania- Lt. Col. John F. Glenn
82nd Pennsylvania- Col. Isaac C. Bassett

Second Brigade- Colonel Henry L. Eustis
7th Massachusetts- Lt. Col. Franklin P. Harrow
10th Massachusetts- Lt. Col. Joseph B. Parsons
37th Massachusetts- Col. Oliver Edwards
2nd Rhode Island- Col. Horatio Rogers, Jr.

Third Brigade- Brig. General Frank Wheaton; Colonel David J. Nevin
62nd New York- Col. David J. Nevin
93rd Pennsylvania- Maj. John I. Nevin
98th Pennsylvania- Maj. John B. Kohler
139th Pennsylvania- Col. Fredrick H. Collier

Artillery Brigade- Colonel Charles H. Tompkins
1st Battery A, Massachusetts Light- Capt. William H. McCartney
1st New York Battery- Capt. Andrew Cowan
3rd New York Battery- Capt. William A. Harn
Battery C, 1st Rhode Island- Capt. Richard Waterman
Battery G, 1st Rhode Island Light- Capt. George A. Adams
Battery D, 2nd United States- Lt. Edward B. Williston
Battery G, 2nd United States- Lt. John H. Butler
Battery F, 5th United States- Lt. Leonard Martin

ELEVENTH ARMY CORPS
Maj. General Oliver O. Howard; Maj. General Carl Schurz

First Division- Brig. General Francis C. Barlow; Brig. General Adelbert Ames

First Brigade- Colonel Leopold von Gilsa
41st New York (9 cos.)- Lt. Col. Detleo Von Einsiedal
54th New York- Maj. Stephen Kovacs; Lt. Ernst Both
68th New York- Col. Gotthilf Bourry
153rd Pennsylvania- Maj. John F. Frueauff

Second Brigade- Brig. General Adelbert Ames; Colonel Andrew L. Harris
17th Connecticut- Lt. Col. Douglas Fowler; Maj. Allen G. Brady
25th Ohio- Lt. Col. Jeremiah Williams; Capt. Nathaniel J. Manning; Lt. William Maloney; Lt. Isreal White
75th Ohio- Col. Andrew L. Harris; Capt. George B. Fox
107th Ohio- Col. Seraphim Meyer; Capt. John M. Lutz

Second Division- Brig. General Adolph von Steinwehr

First Brigade- Colonel Charles R. Coster
134th New York- Lt. Col. Allan H. Jackson
154th New York- Lt. Col. Daniel B. Allen
27th Pennsylvania- Lt. Col. Lorenz Cantador
73rd Pennsylvania- Capt. Daniel F. Kelly

Second Brigade- Colonel Orlando Smith
33rd Massachusetts- Col. Adin B. Underwood
136th New York- Col. James Wood, Jr.
55th Ohio- Col. Charles B. Gambee
73rd Ohio- Lt. Col. Richard Long

Third Division- Maj. General Carl Schurz; Brig. General Alexander Schimmelfennig

First Brigade- Brig. General Alexander Schimmelfennig; Colonel George Von Amsberg
82nd Illinois- Col. Edward S. Salomon
45th New York- Col. George Von Amsberg; Lt. Col. Adophus Dobke
157th New York- Col. Philip B. Brown, Jr.
61st Ohio- Col. Stephen J. McGroarty
74th Pennsylvania- Col. Adolph Von Hartung; Lt. Col. Alexander von Mitzel; Capt. Gustav Schleiter; Capt. Henry Krauseneck

Second Brigade- Col. Wladimir Krzyzanowski
58th New York- Lt. Col. August Otto; Capt. Emil Koenig
119th New York- Col. John T. Lockman; Lt. Col. Edward F. Lloyd
82nd Ohio- Col. James S. Robinson; Lt. Col. David Thomson
75th Pennsylvania- Col. Francis Mahler; Major August Ledig
26th Wisconsin- Lt. Col. Hans Boebel; Capt. John W. Fuchs

Artillery Brigade- Major Thomas W. Osborn
Battery I, 1st New York- Capt. Michael Weidrich
13th New York Battery- Lt. William Wheeler
Battery I, 1st Ohio- Capt. Hubert Dilger
Battery K, 1st Ohio- Capt. Lewis Heckman
Battery G, 4th United States- Lt. Bayard Wilkeson; Lt. Eugene A. Bancroft

TWELFTH ARMY CORPS
Maj. General Henry W. Slocum; Brig. General Alpheus S. Williams

First Division- Brig. General Alpheus S. Williams; Brig. General Thomas H. Ruger

First Brigade- Colonel Archibald L. McDougall
5th Connecticut- Col. Warren W. Packer
20th Connecticut- Lt. Col. William B. Wooster
3rd Maryland- Col. Joseph M. Sudsburg
123rd New York- Lt. Col. James C. Rogers; Capt. Adolphus H. Tanner
145th New York- Col. Edward J. Price
46th Pennsylvania- Col. James L. Selfridge

Second Brigade- Brig. Gen. 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

Third Brigade- Brig. General Thomas H. Ruger; Colonel Silas Colgrove
27th Indiana- Col. Silas Colgrove; Lt. Col. John R. Fesler
2nd Massachusetts- Lt. Col. Charles R. Mudge; Maj. Charles F. Morse
13th New Jersey- Col. Ezra A. Carman
107th New York- Col. Nirom N. Crane
3rd Wisconsin- Col. William Hawle

Second Division- Brig. General John W. Geary

First Brigade- Colonel 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- Lt. Col. Eugene Powell
28th Pennsylvania- Capt. John H. Flynn
147th Pennsylvania (8 cos.)- Lt. Col. Ario Pardee, Jr.

Second Brigade- Colonel George A. Cobham, Jr.; Brig. General Thomas L. Kane; Colonel George A. Cobham, Jr.
29th Pennsylvania- Col. William Rickards, Jr.
109th Pennsylvania- Capt. Frederick L. Gimber
111th Pennsylvania- Lt. Col. Thomas L. Walker; Col. George A. Cobham, Jr.

Third Brigade- Brig. General George S. Greene
60th New York- Col. Abel Godard
78th New York- Lt. Col. 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; Lt. Col. Charles B. Randall

Artillery Brigade- Lieutenant Edward D. Muhlenberg
Battery M, 1st New York Light- Lt. Charles E. Winegar
Battery E, 1st Pennsylvania- Lt. Charles A. Atwell
Battery F, 4th United States- Lt. Sylvanus T. Rugg
Battery K, 5th United States- Lt. David H. Kinzie

CAVALRY CORPS
Maj. General Alfred Pleasonton

First Division- Brig. General John Buford

First Brigade- Colonel William Gamble
8th Illinois Cavalry- Maj. John L. Beveridge
12th Illinois Cavalry (6 companies)- Col. George H. Chapman
3rd Indiana Cavalry (6 companies)- Col. George H. Chapman
8th New York Cavalry- Lt. Col. William L. Markell

Second Brigade- Colonel Thomas C. Devin
6th New York Cavalry- Maj. William E. Beadsley
9th New York Cavalry- Col. William Sackett
17th Pennsylvania Cavalry- Col. Josiah H. Kellogg
3rd West Virginia Cavalry (2 companies)- Capt. Seymour B. Conger

Reserve Brigade- Brig. General Wesley Merritt
6th Pennsylvania Cavalry- Maj. James H. Heseltine
1st United States Cavalry- Capt. Richard S. C. Lord
2nd United States Cavalry- Capt. Theophilus F. Rodenbough
5th United States Cavalry- Capt. Julius W. Mason
6th United States Cavalry- Maj. Samuel H. Starr; Lt. Louis H. Carpenter; Lt. Nicholas Nolan; Capt. Ira W. Claflin

Second Division- Brig. General David McM. Gregg

First Brigade- Colonel John B. McIntosh
1st Maryland Cavalry (11 companies)- Lt. Col. James L. Deems
Co. A, Purnell (Maryland) Legion- Capt. Robert E. Duvall
1st Massachusetts Cavalry- Lt. Col. Greely S. Curtis
1st New Jersey Cavalry- Maj. Myron H. Beaumont
1st Pennsylvania Cavalry- Col. John P. Taylor
3rd Pennsylvania Cavalry- Lt. Col. Edward S. Jones
Battery H (section), 3rd Pennsylvania Heavy Artillery- Capt. William D. Rank

Second Brigade- Colonel Pennock Huey
(Detached to Westminster & Manchester guarding trains)
2nd New York Cavalry- Lt. Col. Otto Harhaus
4th New York Cavalry- Lt. Col. Augustus Pruyn
6th Ohio Cavalry (10 companies)- Maj. William Stedman
8th Pennsylvania Cavalry- Capt. William A. Corrie

Third Brigade- Colonel J. Irvin Gregg
1st Maine Cavalry (10 companies)- Lt. Col. Charles H. Smith
10th New York Cavalry- Maj. M. Henry Avery
4th Pennsylvania Cavalry- Lt. Col. William E. Doster
16th Pennsylvania Cavalry- Lt. Col. John K. Robison

Third Division- Brig. General Judson Kilpatrick; Colonel Nathaniel P. Richmond

First Brigade- Brig. General Elon J. Farnsworth
5th New York Cavalry- Maj. John Hammond
18th Pennsylvania Cavalry- Lt. Col. William P. Brinton
1st Vermont Cavalry- Lt. Col. Addison W. Preston
1st West Virginia Cavalry (10 companies)- Col. Nathaniel P. Richmond; Maj. Charles E. Capehart

Second Brigade- Brig. General George A. Custer
1st Michigan Cavalry- Col. Charles H. Town
5th Michigan Cavalry- Col. Russell A. Alger
6th Michigan Cavalry- Col. George Gray
7th Michigan Cavalry (10 companies)- Col. William D. Mann

Horse Artillery

1st Brigade- Captain James M. Robertson
9th Michigan Battery- Capt. Jabez. J. Daniels
6th New York Battery- Capt. Joseph W. Martin
Batteries B & L, 2nd United States Artillery- Lt. Edward Heaton
Battery M, 2nd United States Artillery- Lt. A. C. M. Pennington, Jr.
Battery E, 4th United States Artillery- Lt. Samuel S. Elder

2nd Brigade- Captain John C. Tidball
Batteries E & G, 1st United States Artillery- Capt. Alanson M. Randol
Battery K, 1st United States Artillery- Capt. William M. Graham
Battery A, 2nd United States Artillery- Lt. John H. Calef

ARTILLERY RESERVE
Brig. General Robert O. Tyler; Captain James M. Robertson

1st Regular Brigade- Captain Dunbar R. Ransom
Battery H, 1st United States Artillery- Lt. Chandler P. Eakin
Batteries F & K, 3rd United States Artillery- Lt. John G. Turnbull
Battery C, 4th United States Artillery- Lt. Evan Thomas
Battery C, 5th United States Artillery- Lt. Gulian V. Weir

1st Volunteer Brigade- Lt. Colonel Freeman McGilvery
5th Massachusetts Battery- Capt. Charles A. Phillips
9th Massachusetts Battery- Capt. John Bigelow
15th New York Battery- Capt. Patrick Hart
Batteries C & F, 1st Pennsylvania Light Artillery- Capt. James Thompson

2nd Volunteer Brigade- Captain Elijah D. Taft
2nd Connecticut Light Battery- Capt. John W. Sterling
5th New York Battery- Capt. Elijah D. Taft

3rd Volunteer Brigade- Captain James F. Huntington
1st New Hampshire Battery- Capt. Frederick M. Edgell
Battery H, 1st Ohio Light Artillery- Lt. George W. Norton
Batteries F & G, 1st Pennsylvania Artillery- Capt. R. Bruce Ricketts
Battery C, 1st West Virginia Artillery- Capt. Wallace Hill

4th Volunteer Brigade- Captain Robert H. Fitzhugh
6th Maine Battery- Lt. Edwin B. Dow
Battery A, Maryland Light- Capt. James H. Rigby
Battery A, 1st New Jersey Light Artillery- Lt. Agustin N. Parsons
Battery G, 1st New York Light Artillery- Capt. Nelson Ames
Battery K, 1st New York Light Artillery- Capt. Robert H. Fitzhugh
11th New York Battery Artillery- Capt. Robert H. Fitzhugh

TRAIN GUARD- 4th New Jersey (4 cos.)- Maj. Charles Ewing

ENGINEER BRIGADE- Brig. General Henry W. Benham
15th New York (3 cos.)- Maj. Walter L. Cassin
50th New York- Col. William H. Pettes
United States Engineers Bn- Capt. George H. Mendell

SIGNAL CORPS- Captain Lemuel B. Norton

(Sources listed at bottom of page.)

Recommended Reading: Commanding the Army of the Potomac (Modern War Studies) (Hardcover). Description: During the Civil War, thirty-six officers in the Army of the Potomac were assigned corps commands of up to 30,000 men. Collectively charged with leading the Union's most significant field army, these leaders proved their courage in countless battlefields from Gettysburg to Antietam to Cold Harbor. Unfortunately, courage alone was not enough. Their often dismal performances played a major role in producing this army's tragic record, one that included more defeats than victories despite its numerical and materiel superiority. Stephen Taaffe takes a close look at this command cadre, examining who was appointed to these positions, why they were appointed, and why so many of them ultimately failed to fulfill their responsibilities. Continued below.

He demonstrates that ambitious officers such as Gouverneur Warren, John Reynolds, and Winfield Scott Hancock employed all the weapons at their disposal, from personal connections to exaggerated accounts of prowess in combat, to claw their way into these important posts. Once appointed, however, Taaffe reveals that many of these officers failed to navigate the tricky and ever-changing political currents that swirled around the Army of the Potomac. As a result, only three of them managed to retain their commands for more than a year, and their machinations caused considerable turmoil in the army's high command structure. Taaffe also shows that their ability or inability to get along with generals such as George McClellan, Ambrose Burnside, Joseph Hooker, George Meade, and Ulysses Grant played a big role in their professional destinies. In analyzing the Army of the Potomac's corps commanders as a group, Taaffe provides a new way of detailing this army's chronic difficulties-one that, until now, has been largely neglected in the literature of the Civil War.

Recommended Reading: Brigades of Gettysburg: The Union and Confederate Brigades at the Battle of Gettysburg (Hardcover) (704 Pages). Description: While the battle of Gettysburg is certainly the most-studied battle in American history, a comprehensive treatment of the part played by each unit has been ignored. Brigades of Gettysburg fills this void by presenting a complete account of every brigade unit at Gettysburg and providing a fresh perspective of the battle. Using the words of enlisted men and officers, the author and renowned Civil War historian, Bradley Gottfried, weaves a fascinating narrative of the role played by every brigade at the famous three-day battle, as well as a detailed description of each brigade unit. Continued below...

Organized by order of battle, each brigade is covered in complete and exhaustive detail: where it fought, who commanded, what constituted the unit, and how it performed in battle. Innovative in its approach and comprehensive in its coverage, Brigades of Gettysburg is certain to be a classic and indispensable reference for the battle of Gettysburg for years to come.

Advance to:

THE ARMY OF NORTHERN VIRGINIA - Confederate Order of Battle at the Battle of Gettysburg

Battle of Gettysburg : Strength of the Armies

Gettysburg Artillery (Gettysburg Campaign): Army of the Potomac

Battle of Gettysburg : Infantry, Cavalry, Artillery, Weapons, and Tactics

List of 67 Union Generals at the Battle of Gettysburg

List of 53 Confederate Generals at the Battle of Gettysburg

The Battle of Gettysburg in Detail

Gettysburg in Detail

Gettysburg Council of War

Organization of Union and Confederate Armies

American Civil War Infantry Organization

American Civil War Cavalry Organization

American Civil War Artillery Organization

Recommended Reading: The Maps of Gettysburg: The Gettysburg Campaign, June 3 - July 13, 1863 (Hardcover). Description: More academic and photographic accounts on the battle of Gettysburg exist than for all other battles of the Civil War combined-and for good reason. The three-days of maneuver, attack, and counterattack consisted of literally scores of encounters, from corps-size actions to small unit engagements. Despite all its coverage, Gettysburg remains one of the most complex and difficult to understand battles of the war. Author Bradley Gottfried offers a unique approach to the study of this multifaceted engagement. The Maps of Gettysburg plows new ground in the study of the campaign by breaking down the entire campaign in 140 detailed original maps. These cartographic originals bore down to the regimental level, and offer Civil Warriors a unique and fascinating approach to studying the always climactic battle of the war. Continued below...

The Maps of Gettysburg offers thirty "action-sections" comprising the entire campaign. These include the march to and from the battlefield, and virtually every significant event in between. Gottfried's original maps further enrich each "action-section." Keyed to each piece of cartography is detailed text that includes hundreds of soldiers' quotes that make the Gettysburg story come alive. This presentation allows readers to easily and quickly find a map and text on virtually any portion of the campaign, from the great cavalry clash at Brandy Station on June 9, to the last Confederate withdrawal of troops across the Potomac River on July 15, 1863. Serious students of the battle will appreciate the extensive and authoritative endnotes. They will also want to bring the book along on their trips to the battlefield… Perfect for the easy chair or for stomping the hallowed ground of Gettysburg, The Maps of Gettysburg promises to be a seminal work that belongs on the bookshelf of every serious and casual student of the battle.

Recommended Reading: Gettysburg: A Testing of Courage. Description: America's Civil War raged for more than four years, but it is the three days of fighting in the Pennsylvania countryside in July 1863 that continues to fascinate, appall, and inspire new generations with its unparalleled saga of sacrifice and courage. From Chancellorsville, where General Robert E. Lee launched his high-risk campaign into the North, to the Confederates' last daring and ultimately-doomed act, forever known as Pickett's Charge, the battle of Gettysburg gave the Union army a victory that turned back the boldest and perhaps greatest chance for a Southern nation. Continued below...

Now, acclaimed historian Noah Andre Trudeau brings the most up-to-date research available to a brilliant, sweeping, and comprehensive history of the battle of Gettysburg that sheds fresh light on virtually every aspect of it. Deftly balancing his own narrative style with revealing firsthand accounts, Trudeau brings this engrossing human tale to life as never before.

Recommended Reading: The Cavalry at Gettysburg: A Tactical Study of Mounted Operations during the Civil War's Pivotal Campaign, 9 June-14 July 1863. Description: For cavalry and/or Gettysburg enthusiasts, this book is a must; for other Civil War buffs, it possesses the qualities sought by students of the conflict. It bristles with analysis, details, judgements, personality profiles, and evaluations and combat descriptions, even down to the squadron and company levels. The mounted operations of the campaign from organizational, strategic, and tactical viewpoints are examined thoroughly. Continued below...

The author's graphic recountings of the Virginia fights at Brandy Station, Aldie, Middleburg, and Upperville, the Pennsylvania encounters at Hanover, Hunterstown, Gettysburg, and Fairfield, and finally the retreat to Virginia, are the finest this reviewer has read under a single cover. For those who enjoy the thunder of hoofbeats, the clang of sabers, and the crack of pistols and carbines, this book has all of it. Generals and privates share the pages, as the mounted opponents parry and thrust across hundreds of miles of territory from June 9 to July 14, 1863.

Recommended Reading: ONE CONTINUOUS FIGHT: The Retreat from Gettysburg and the Pursuit of Lee's Army of Northern Virginia, July 4-14, 1863 (Hardcover) (June 2008). Description: The titanic three-day battle of Gettysburg left 50,000 casualties in its wake, a battered Southern army far from its base of supplies, and a rich historiographic legacy. Thousands of books and articles cover nearly every aspect of the battle, but not a single volume focuses on the military aspects of the monumentally important movements of the armies to and across the Potomac River. One Continuous Fight: The Retreat from Gettysburg and the Pursuit of Lee's Army of Northern Virginia, July 4-14, 1863 is the first detailed military history of Lee's retreat and the Union effort to catch and destroy the wounded Army of Northern Virginia. Against steep odds and encumbered with thousands of casualties, Confederate commander Robert E. Lee's post-battle task was to successfully withdraw his army across the Potomac River. Union commander George G. Meade's equally difficult assignment was to intercept the effort and destroy his enemy. The responsibility for defending the exposed Southern columns belonged to cavalry chieftain James Ewell Brown (JEB) Stuart. If Stuart fumbled his famous ride north to Gettysburg, his generalship during the retreat more than redeemed his flagging reputation. The ten days of retreat triggered nearly two dozen skirmishes and major engagements, including fighting at Granite Hill, Monterey Pass, Hagerstown, Williamsport, Funkstown, Boonsboro, and Falling Waters. Continued below...

President Abraham Lincoln was thankful for the early July battlefield victory, but disappointed that General Meade was unable to surround and crush the Confederates before they found safety on the far side of the Potomac. Exactly what Meade did to try to intercept the fleeing Confederates, and how the Southerners managed to defend their army and ponderous 17-mile long wagon train of wounded until crossing into western Virginia on the early morning of July 14, is the subject of this study. One Continuous Fight draws upon a massive array of documents, letters, diaries, newspaper accounts, and published primary and secondary sources. These long-ignored foundational sources allow the authors, each widely known for their expertise in Civil War cavalry operations, to describe carefully each engagement. The result is a rich and comprehensive study loaded with incisive tactical commentary, new perspectives on the strategic role of the Southern and Northern cavalry, and fresh insights on every engagement, large and small, fought during the retreat. The retreat from Gettysburg was so punctuated with fighting that a soldier felt compelled to describe it as "One Continuous Fight." Until now, few students fully realized the accuracy of that description. Complimented with 18 original maps, dozens of photos, and a complete driving tour with GPS coordinates of the entire retreat, One Continuous Fight is an essential book for every student of the American Civil War in general, and for the student of Gettysburg in particular. About the Authors: Eric J. Wittenberg has written widely on Civil War cavalry operations. His books include Glory Enough for All (2002), The Union Cavalry Comes of Age (2003), and The Battle of Monroe's Crossroads and the Civil War's Final Campaign (2005). He lives in Columbus, Ohio. J. David Petruzzi is the author of several magazine articles on Eastern Theater cavalry operations, conducts tours of cavalry sites of the Gettysburg Campaign, and is the author of the popular "Buford's Boys." A long time student of the Gettysburg Campaign, Michael Nugent is a retired US Army Armored Cavalry Officer and the descendant of a Civil War Cavalry soldier. He has previously written for several military publications. Nugent lives in Wells, Maine.

Sources: Gettysburg National Military Park; Library of Congress; National Archives and Records Administration; National Park Service; Official Records of the Union and Confederate Armies

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