The American Civil War & The Battle of Gettysburg: Army of the Potomac Order of Battle

Order of Battle - Army of the Potomac
1st Corps: Reynolds	2nd Corps: Hancock	3rd Corps: Sickles
5th Corps: Sykes	6th Corps: Sedgwick	11th Corps: Howard
12th Corps: Slocum	Cavalry: Pleasonton	Artillery: Hunt
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Union Army of the Potomac Commanding General Major General George Gordon Meade Army Headquarters' Staff Major General Daniel Butterfield, Chief of Staff Brigadier General Gouverneur Kemble Warren, Chief of Engineers Brigadier General Henry Jackson Hunt, Chief of Artillery Brigadier General Marsena Rudoulph Patrick, Provost Marshall Brigadier General Seth Williams, Assistant Adjutant General Brigadier General Rufus Ingalls, Chief Quartermaster Doctor Jonathan Letterman, Medical Director Captain Lemuel B. Norton, Chief Signal Officer Lieutenant John R. Edie, Acting Chief Ordinance Officer Top of Page First Corps Major General John F. Reynolds Major General Abner Doubleday Major General John Newton First Division Brigadier General James S. Wadsworth First Brigade (Iron Brigade) Brigadier General Solomon Meredith Colonel William W. Robinson 19th Indiana 24th Michigan 2nd Wisconsin 6th Wisconsin 7th Wisconsin Second Brigade Brigadier General Lysander Cutler 7th Indiana 76th New York 84th New York (14th Brooklyn) 95th New York 147th New York 56th Pennsylvania (Nine Companies) Top of Page Second Division Brigadier General John C. Robinson First Brigade Brigadier General Gabriel R. Paul Colonel Samuel H. Leonard Colonel Adrian R. Root Colonel Richard Coulter Colonel Peter Lyle 16th Maine 13th Massachusetts 94th New York 104th New York 107th Pennsylvania Second Brigade Brigadier General Henry Baxter 12th Massachusetts 83rd New York (9th Militia) 97th New York 11th Pennsylvania 88th Pennsylvania 90th Pennsylvania Top of Page Third Division Major General Abner Doubleday First Brigade Brigadier General Thomas A. Rowley 80th New York (20th Militia) 121st Pennsylvania 142nd Pennsylvania 151st Pennsylvania Second Brigade Colonel Roy Stone Colonel Langhorne Wister Colonel Edmond L. Dana 143rd Pennsylvania 149th Pennsylvania 150th Pennsylvania Third Brigade Brigadier General George J. Stannard Colonel Francis V. Randall 12th Vermont 13th Vermont 14th Vermont 15th Vermont 16th Vermont Top of Page First Corps Artillery Brigade Colonel Charles Wainright 2nd Maine Light, Battery B 5th Maine Light, Battery E 1st New York Light, Battery L and E 1st Pennsylvania Light, Battery B 4th United States, Battery B Top of Page Second Corps Major General Winfield Scott Hancock First Division Brigadier General John C. Caldwell First Brigade Colonel Edward E. Cross Colonel H. Boyd McKeen 5th New Hampshire 61st New York 81st Pennsylvania 148th Pennsylvania Second Brigade (Irish Brigade) Colonel Patrick Kelly 28th Massachusetts 63rd New York (Two Companies) 69th New York (Two Companies) 88th New York (Two Companies) 116th Pennsylvania (Four Companies) Third Brigade Brigadier General Samuel Kosciusko Zook Lieutenant Colonel John Frasier 52nd New York 57th New York 66th New York 140thPennsylvania Fourth Brigade Colonel John R. Brooke 27th Connecticut (Two Companies) 2nd Delaware 64th New York 53rd Pennsylvania 145th Pennsylvania (Seven Companies) Top of Page Second Division Brigadier General John Gibbon Brigadier General William Harrow First Brigade Brigadier General William Harrow 19th Maine 15th Massachusetts 1st Minnesota 82nd New York (2nd Militia) Second Brigade Brigadier General Alexander S. Webb 69th Pennsylvania 71st Pennsylvania 72nd Pennsylvania 106th Pennsylvania Third Brigade Colonel Norman J. Hall 19th Massachusetts 20th Massachusetts 7th Michigan 42nd New York 59th New York (Four Companies) Unattached 1st Massachusetts Sharpshooters Captain William Plumber Top of Page Third Division Brigadier General Alexander Hays First Brigade Colonel Samuel S. Carroll 14th Indiana 4th Ohio 8th Ohio 7th West Virginia Second Brigade Colonel Thomas A. Smyth Lieutenant Colonel Francis E. Pierce 14th Connecticut 1st Delaware 12th New Jersey 10th New York 108th New York Third Brigade Colonel George L. Willard Colonel Eliakim Sherrill Lieutenant Colonel James M. Bull 39th New York (Four Companies) 111th New York 125th New York 126th New York Top of Page Second Corps Artillery Brigade Captain John G. Hazard 1st New York Light, Battery B 1st Rhode Island Light, Battery A 1st Rhode Island Light, Battery B 1st United States, Battery I 4th United States, Battery A Top of Page Third Corps Major General Daniel Edgar Sickles Major General David Bell Birney First Division Major General David Bell Birney Brigadier General John Henry Hobart Ward First Brigade Brigadier General Charles K. Graham Colonel Andrew H. Tippin 57th Pennsylvania (8 Companies) 63rd Pennsylvania 68th Pennsylvania 105th Pennsylvania 114th Pennsylvania 141st Pennsylvania Second Brigade Brigadier General John Henry Hobart Ward Colonel Hiram Berdan 20th Indiana 3rd Maine 4th Maine 86th New York 124th New York 99th Pennsylvania 1st United States Sharpshooters 2nd United States Sharpshooters (8 Companies) Third Brigade Colonel Philippe Regis De Trobriand 17th Maine 3rd Michigan 5th Michigan 40th New York 110th Pennsylvania (6 Companies) Top of Page Second Division Brigadier General Andrew A. Humphreys First Brigade Brigadier General Joseph B. Carr 1st Massachusetts 11th Massachusetts 16th Massachusetts 12th New Hampshire 11th New Jersey 26th Pennsylvania 84th Pennsylvania (Guarding trains away from Gettysburg) Second Brigade Colonel William R. Brewster 70th New York 71st New York 72nd New York 73rd New York 74th New York 120th New York Third Brigade Colonel George C. Burling 2nd New Hampshire 5th New Jersey 6th New Jersey 7th New Jersey 8th New Jersey 115th Pennsylvania Top of Page Third Corps Artillery Brigade Captain George E. Randolph Captain A. Judson Clark 1st New Jersey Light, 2nd Battery B 1st New York Light, Battery D New York Light, 4th Battery 1st Rhode Island, Battery E 4th United States, Battery K Top of Page Fifth Corps Major General George Sykes General Headquarters - Provost Guard 12th New York, Companies D and E 17th Pennsylvania Cavalry, Companies D and H First Division Brigadier General James Barnes First Brigade Colonel William S. Tilton 18th Massachusetts 22nd Massachusetts 1st Michigan 118th Pennsylvania Second Brigade Colonel Jacob. B. Sweitzer 9th Massachusetts 32nd Massachusetts 4th Michigan 62nd Pennsylvania Third Brigade Colonel Strong Vincent Colonel James C. Rice 20th Maine 16th Michigan 44th New York 83rd Pennsylvania Top of Page Second Division Brigadier General Romeyn B. Ayres First Brigade Colonel Hannibal Day 3rd United States (6 Companies) 4th United States (4 Companies) 6th United States (5 Companies) 12th United States (8 Companies) 14th United States (8 Companies) Second Brigade Colonel Sidney Burbank 2nd United States (6 Companies) 7th United States (4 Companies) 10th United States (3 Companies) 11th United States (6 Companies) 17th United States (7 Companies) Third Brigade Brigadier General Stephen H. Weed Colonel Kenner Garrard 140th New York 146th New York 91st Pennsylvania 155th Pennsylvania Top of Page Third Division Brigadier General Samuel W. Crawford First Brigade Colonel William McCandless 1st Pennsylvania Reserves (9 Companies) 2nd Pennsylvania Reserves 6th Pennsylvania Reserves 13th Pennsylvania Reserves Third Brigade Colonel Joseph W. Fisher 5th Pennsylvania Reserves 9th Pennsylvania Reserves 10th Pennsylvania Reserves 11th Pennsylvania Reserves 12th Pennsylvania Reserves Top of Page Fifth Corps Artillery Brigade Captain Augustus P. Martin Massachusetts Light, 3rd Battery (Battery C) 1st New York Light, Battery C 1st Ohio Light, Battery L 5th United States, Battery D 5th United States, Battery I Top of Page Sixth Corps Major General John Sedgwick General Headquarters 1st New Jersey Cavalry, Company L 1st Pennsylvania Cavalry, Company H First Division Major General Horatio Wright First Brigade Brigadier General A. T. A. Torbert 1st New Jersey 2nd New Jersey 3rd New Jersey 15th New Jersey Second Brigade Brigadier General Joseph J. Bartlett 5th Maine 121st New York 95th Pennsylvania 96th Pennsylvania Third Brigade Brigadier General David A. Russell 6th Maine 49th Pennsylvania (4 Companies) 119th Pennsylvania 5th Wisconsin Second Division Brigadier General Albion Howe Second Brigade Colonel Lewis A. Grant 2nd Vermont 3rd Vermont 4th Vermont 5th Vermont 6th Vermont Third Brigade Brigadier General Thomas H. Neill 7th Maine (6 Companies) 33rd New York (Detachment) 43rd New York 49th New York 77th New York 61st Pennsylvania Third Division Major General John Newton Brigadier General Frank Wheaton First Brigade Brigadier General Alexander Shaler 65th New York 67th New York 122nd New York 23rd Pennsylvania 82nd Pennsylvania Second Brigade Colonel Henry L. Eustis 7th Massachusetts 10th Massachusetts 37th Massachusetts 2nd Rhode Island Third Brigade Brigadier General Frank Wheaton Colonel David J. Nevin 62nd New York 93rd Pennsylvania 98th Pennsylvania 139th Pennsylvania Top of Page Sixth Corps Artillery Brigade Colonel Charles H. Thomkins Massachusetts Light, 1st Battery (Battery A) New York Light, 1st Battery New York Light, 3rd Battery 1st Rhode Island Light, Battery C 1st Rhode Island Light, Battery G 2nd United States, Battery D 2nd United States, Battery G 5th United States, Battery F Top of Page Eleventh Corps Major General Oliver Otis Howard First Division Brigadier General Francis C. Barlow Brigadier General Adelbert Ames First Brigade Colonel Leopold Von Gilsa 41st New York 54th New York 68th New York 153rd Pennsylvania Second Brigade Brigadier General Adelbert Ames Colonel Andrew L. Harris 17th Connecticut 25th Ohio 75th Ohio 107th Ohio Second Division Brigadier General Adolph von Steinwehr First Brigade Colonel Charles R. Coster 134th New York 154th New York 27th Pennsylvania 73rd Pennsylvania Second Brigade Colonel Orlando Smith 33rd Massachusetts 136th New York 55th Ohio 73rd Ohio Third Division Major General Carl Schurz Brigadier General Alexander Schimmelfennig Major General Carl Schurz First Brigade Brigadier General Alexander Schimmelfennig Colonel George Von Amsberg 82nd Illinois 45th New York 157th New York 61st Ohio 74th Pennsylvania Second Brigade Colonel Wladimir Krzyzanowski 58th New York 119th New York 82nd Ohio 75th Pennsylvania 26th Wisconsin Top of Page Eleventh Corps Artillery Brigade Major Thomas W. Osborn 1st New York Light, Battery I New York Light, 13th Battery 1st Ohio Light, Battery I 1st Ohio Light, Battery K 4th United States, Battery G Top of Page Twelfth Corps Major General Henry W. Slocum First Division Brigadier General Alpheus Williams Brigadier General Thomas H. Ruger First Brigade Colonel Archibald L. McDougall 5th Connecticut 20th Connecticut 3rd Maryland 123rd New York 145th New York 46th Pennsylvania Second Brigade Brigadier General Henry H. Lockwood 1st Maryland, Potomac Home Brigade 1st Maryland, Eastern Shore 150th New York Third Brigade Brigadier General Thomas H. Ruger Colonel Silas Colgrove 27th Indiana 2nd Massachusetts 13th New Jersey 107th New York 3rd Wisconsin Top of Page Second Division Brigadier General John White Geary First Brigade Colonel Charles Candy 5th Ohio 7th Ohio 29th Ohio 66th Ohio 28th Pennsylvania 147th Pennsylvania (8 Companies) Second Brigade Colonel George A. Cobham, Jr. Brigadier General Henry H. Lockwood Colonel George A. Cobham, Jr. 29th Pennsylvania 109th Pennsylvania 111th Pennsylvania Third Brigade Brigadier General George Sears Greene 60th New York 78th New York 102nd New York 137th New York 149th New York Top of Page Twelfth Corps Artillery Brigade Major Thomas W. Osborn 1st New York Light, Battery I New York Light, 13th Battery 1st Ohio Light, Battery I 1st Ohio Light, Battery K 4th United States, Battery G Top of Page Cavalry Corps Major General Alfred Pleasonton First Division Brigadier General John Buford First Brigade Colonel William Gamble 8th Illinois 12th Illinois (4 Companies) 3rd Indiana (6 Companies) 8th New York Second Brigade Colonel Thomas C. Devin 6th New York 9th New York 17th Pennsylvania 3rd West Virginia (2 Companies) Reserve Brigade Brigadier General Wesley Merritt 6th Pennsylvania 1st United States 2nd United States 5th United States 6th United States Top of Page Second Division Brigadier General David Gregg Headquarters Guard 1st Ohio, Company A First Brigade Colonel John B. McIntosh 1st Maryland (11 Companies) Purnell Legion (Maryland), Company A 1st Massachusetts 1st New Jersey 1st Pennsylvania 3rd Pennsylvania 3rd Pennsylvania Artillery, Section Battery H Third Brigade Colonel J. Irvin Gregg 1st Maine, (10 Companies) 10th New York 4th Pennsylvania 16th Pennsylvania Top of Page Third Division Brigadier General Judson Kilpatrick Headquarters Guard 1st Ohio, Company C First Brigade Brigadier General Elon J. Farnsworth Colonel Nathaniel P. Richmond 5th New York 18th Pennsylvania 1st Vermont 1st West Virginia (10 Companies) Second Brigade Brigadier General George Armstrong Custer 1st Michigan 5th Michigan 6th Michigan 7th Michigan (10 Companies) Top of Page Horse Artillery First Brigade Captain James M. Robertson 9th Michigan Battery 6th New York Battery 2nd United States, Batteries B and L 2nd United States, Battery M 4th United States, Battery E Second Brigade Captain John C. Tidball 1st United States, Batteries E and G 1st United States, Battery K 2nd United States, Battery A Top of Page Artillery Reserve Brigadier General Robert O. Tyler Captain James M. Robertson Top of Page Chief of Artillery Brevet Major General Henry J. Hunt Top of Page Sources: [C,H,I] Last Updated / Revised April 14, 2006