Chancellorsville Union order of battle

The following Union Army units and commanders fought in the Battle of Chancellorsville of the American Civil War. The Confederate order of battle is listed separately. Order of battle compiled from the army organization ^{[lower-roman 1]} during the battle, ^{[1] [2]} the casualty returns, ^[3] and the reports. ^[4]

Abbreviations used

Military rank

• MG = Major General
• BG = Brigadier General
• Col = Colonel
• Ltc = Lieutenant Colonel
• Maj = Major
• Cpt = Captain
• Lt = Lieutenant

Other

• w = wounded
• mw = mortally wounded
• k = killed
• c = captured

Army of the Potomac

Main article: Army of the Potomac

MG Joseph Hooker

General Staff and Headquarters

General Staff:

• Chief of Staff: MG Daniel Butterfield
• Assistant Adjutant General: BG Seth Williams
• Chief Quartermaster: BG Rufus Ingalls
• Chief of Engineers: BG Gouverneur K. Warren
• Bureau of Military Information: Col George H. Sharpe
• Medical Director: Maj Jonathan Letterman

General Headquarters:

Command of the Provost-Marshal-General: BG Marsena R. Patrick

• 93rd New York: Col John S. Crocker
• 8th United States, Companies A, B, C, D, F, and G: Cpt Edwin W. H. Read
• 6th Pennsylvania Cavalry, Companies E and I: Cpt James Starr
• Detachment Regular Cavalry: Lt Tattnall Paulding

Patrick's Brigade: Col William F. Rogers

• 21st New York: Ltc Chester W. Steinberg
• 23rd New York: Col Henry C. Hoffman
• 35th New York: Col John G. Todd
• 80th New York (20th Militia): Col Theodore B. Gates
• Maryland Light Artillery, Battery B: Cpt Alonzo Snow
• Ohio Light Artillery, 12th Battery: Cpt Aaron C. Johnson

Engineer Brigade: BG Henry W. Benham

• 15th New York Engineers: Col Clinton G. Colgate
• 50th New York Engineers: Col Charles B. Stuart
• United States Engineer Battalion: Cpt Chauncey B. Reese

Signal Corps: Cpt Samuel T. Cushing

Ordnance Detachment: Lt John R. Edie, Jr.

Guards and Orderlies:

• Oneida (New York) Cavalry: Cpt Daniel P. Mann

I Corps

Main article: I Corps (Union Army)

MG John F. Reynolds

Chief of Artillery: Col Charles S. Wainwright

Escort:

• 1st Maine Cavalry, Company L: Cpt Constantine Taylor

Division	Brigade	Regiments and Others
First Division      BG James S. Wadsworth	1st Brigade    Col Walter Phelps, Jr.	22nd New York: Maj Thomas J. Strong 24th New York: Col Samuel R. Beardsley 30th New York: Col William M. Searing 84th New York (14th Militia): Col Edward B. Fowler
	2nd Brigade    BG Lysander Cutler	7th Indiana: Ltc Ira G. Grover 76th New York: Col William P. Wainwright 95th New York: Col George H. Biddle 147th New York: Col John G. Butler 56th Pennsylvania: Col J. William Hofmann
	3rd Brigade    BG Gabriel R. Paul	22nd New Jersey: Col Abraham G. Demarest 29th New Jersey: Col William R. Taylor 30th New Jersey: Col John J. Cladek 31st New Jersey: Ltc Robert R. Honeyman 137th Pennsylvania: Col Joseph B. Kiddoo
	4th Brigade    BG Solomon Meredith	19th Indiana: Col Samuel J. Williams 24th Michigan: Col Henry A. Morrow 2nd Wisconsin: Col Lucius Fairchild 6th Wisconsin: Col Edward S. Bragg 7th Wisconsin: Col William W. Robinson
	Artillery    Cpt John A. Reynolds	New Hampshire Light, 1st Battery: Cpt Frederick M. Edgell 1st New York Light, Battery L: Cpt John A. Reynolds 4th United States, Battery B: Lt James Stewart
Second Division      BG John C. Robinson	1st Brigade    Col Adrian R. Root	16th Maine: Col Charles W. Tilden 94th New York: Cpt Samuel A. Moffett 104th New York: Col Gilbert G. Prey 107th Pennsylvania: Col Thomas F. McCoy
	2nd Brigade    BG Henry Baxter	12th Massachusetts: Col James L. Bates 26th New York: Ltc Gilbert S. Jennings 90th Pennsylvania: Col Peter Lyle 136th Pennsylvania: Col Thomas M. Bayne
	3rd Brigade    Col Samuel H. Leonard	13th Massachusetts: Ltc N. Walter Batchelder 83rd New York (9th Militia): Ltc Joseph A. Moesch 97th New York: Col Charles Wheelock 11th Pennsylvania: Col Richard Coulter 88th Pennsylvania: Ltc Louis Wagner
	Artillery    Cpt Dunbar R. Ransom	Maine Light, 2nd Battery (B): Cpt James A. Hall Maine Light, 5th Battery (E): Cpt George F. Leppien (mw), Lt Edmund Kirby [lower-roman 2] (mw), Lt Greenlief T. Stevens Pennsylvania Light, Battery C: Cpt James Thompson 5th United States, Battery C: Cpt Dunbar R. Ransom
Third Division      MG Abner Doubleday	1st Brigade    BG Thomas A. Rowley	121st Pennsylvania: Col Chapman Biddle 135th Pennsylvania: Col James R. Porter 142nd Pennsylvania: Col Robert P. Cummins 151st Pennsylvania: Col Harrison Allen
	2nd Brigade    Col Roy Stone	143rd Pennsylvania: Col Edmund L. Dana 149th Pennsylvania: Ltc Walton Dwight 150th Pennsylvania: Col Langhorne Wister
	Artillery    Maj Ezra W. Matthews	1st Pennsylvania Light, Battery B: Cpt James H. Cooper 1st Pennsylvania Light, Battery F: Lt R. Bruce Ricketts 1st Pennsylvania Light, Battery G: Cpt Frank P. Amsden

II Corps

Main article: II Corps (Union Army)

MG Darius N. Couch

Chief of Artillery and Assistant Inspector-General: Ltc Charles H. Morgan ^{[lower-roman 3] [5]}

Escort:

• 6th New York Cavalry, Companies D and K: Cpt Riley Johnson

Division	Brigade	Regiments and Others
First Division [lower-roman 4]      MG Winfield S. Hancock	1st Brigade    BG John C. Caldwell	5th New Hampshire: Col Edward E. Cross, Ltc Charles E. Hapgood 61st New York: Col Nelson A. Miles (w), Ltc K. Oscar Broady 81st Pennsylvania: Col H. Boyd McKeen (w) 148th Pennsylvania: Col James A. Beaver (w), Maj George A. Fairlamb
	2nd Brigade    BG Thomas F. Meagher	28th Massachusetts: Col Richard Byrnes 63rd New York: Ltc Richard C. Bentley 69th New York: Cpt James E. McGee 88th New York: Col Patrick Kelly 116th Pennsylvania (battalion): Maj St. Clair A. Mulholland
	3rd Brigade    BG Samuel K. Zook	52nd New York: Col Paul Frank (w), Ltc Charles G. Freudenberg 57th New York: Ltc Alford B. Chapman 66th New York: Col Orlando H. Morris 140th Pennsylvania: Col Richard P. Roberts
	4th Brigade    Col John R. Brooke	27th Connecticut: Col Richard S. Bostwick (c) 2nd Delaware: Ltc David L. Stricker 64th New York: Col Daniel G. Bingham 53rd Pennsylvania: Ltc Richards McMichael 145th Pennsylvania: Col Hiram L. Brown
	Artillery    Cpt Rufus D. Pettit	1st New York Light, Battery B: Cpt Rufus D. Pettit 4th United States, Battery C: Lt Evan Thomas
Second Division      BG John Gibbon	1st Brigade    BG Alfred Sully [lower-roman 5] [6]    Col Henry W. Hudson [lower-roman 6] [6]    Col Byron Laflin	19th Maine: Col Francis E. Heath 15th Massachusetts: Maj George C. Joslin 1st Minnesota: Ltc William Colville, Jr. 34th New York: Col Byron Laflin, Ltc John Beverly 82nd New York (2nd Militia): Col Henry W. Hudson, Ltc James Huston
	2nd Brigade    BG Joshua T. Owen	69th Pennsylvania: Col Dennis O'Kane 71st Pennsylvania: Col Richard P. Smith 72nd Pennsylvania: Col De Witt C. Baxter 106th Pennsylvania: Col Turner G. Morehead
	3rd Brigade    Col Norman J. Hall	19th Massachusetts: Ltc Arthur F. Devereux 20th Massachusetts: Ltc George N. Macy 7th Michigan: Cpt Amos E. Steele, Jr. 42nd New York: Col James E. Mallon 59th New York: Ltc Max A. Thoman 127th Pennsylvania: Col William W. Jennings
	Sharpshooters	1st Company Massachusetts: Cpt William Plumer
	Artillery	1st Rhode Island Light, Battery A: Cpt William A. Arnold 1st Rhode Island Light, Battery B: Cpt Thomas Frederick Brown
Third Division      MG William H. French	1st Brigade    Col Samuel S. Carroll	14th Indiana: Col John Coons 24th New Jersey: Col William B. Robertson 28th New Jersey: Ltc John A. Wildrick (c), Maj Samuel K. Wilson 4th Ohio: Ltc Leonard W. Carpenter 8th Ohio: Ltc Franklin Sawyer 7th West Virginia: Col Joseph Snider, [lower-roman 7] [7] Ltc Jonathan H. Lockwood
	2nd Brigade    BG William Hays (w&c)    Col Charles J. Powers	14th Connecticut: Maj Theodore G. Ellis 12th New Jersey: Col J. Howard Willets (w), Maj John T. Hill 108th New York: Col Charles J. Powers, Ltc Francis E. Pierce 130th Pennsylvania: Col Levi Maish (w), Maj Joseph S. Jenkins
	3rd Brigade    Col John D. MacGregor [lower-roman 8] [8]    Col Charles Albright	1st Delaware: Col Thomas A. Smyth 4th New York: [lower-roman 9] [8] Ltc William Jameson 132nd Pennsylvania: Col Charles Albright, Ltc Joseph E. Shreve
	Artillery	1st New York Light, Battery G: Lt Nelson Ames 1st Rhode Island Light, Battery G: Cpt George W. Adams
	Provost Guard	10th New York (4 companies): Maj George F. Hopper
	Reserve Artillery	1st United States, Battery I: Lt Edmund Kirby, [lower-roman 10] [5] Lt George A. Woodruff [lower-roman 11] [5] 4th United States, Battery A: Lt Alonzo H. Cushing

III Corps

Main article: III Corps (Union Army)

MG Daniel Sickles

Chief of Artillery: Cpt George E. Randolph

Division	Brigade	Regiments and Others
First Division      BG David B. Birney	1st Brigade    BG Charles K. Graham [lower-roman 12]    Col Thomas W. Egan	57th Pennsylvania: Col Peter Sides 63rd Pennsylvania: Ltc William S. Kirkwood (mw), Cpt James F. Ryan 68th Pennsylvania: Col Andrew H. Tippin 105th Pennsylvania: Col Amor A. McKnight (k), Ltc Calvin A. Craig 114th Pennsylvania: Col Charles H. T. Collis, [lower-roman 13] Ltc Frederick F. Cavada 141st Pennsylvania: Col Henry J. Madill
	2nd Brigade    BG J. H. Hobart Ward	20th Indiana: Col John Wheeler 3rd Maine: Col Moses B. Lakeman 4th Maine: Col Elijah Walker 38th New York: Col P. Regis De Trobriand 40th New York: Col Thomas W. Egan 99th Pennsylvania: Col Asher S. Leidy
	3rd Brigade    Col Samuel B. Hayman	17th Maine: Ltc Charles B. Merrill, Col Thomas A. Roberts [lower-roman 14] 3rd Michigan: Col Byron R. Pierce (w), Ltc Edwin S. Pierce 5th Michigan: Ltc Edward T. Sherlock (k), Maj John Pulford 1st New York: Ltc Francis L. Leland 37th New York: Ltc Gilbert Riordan
	Artillery    Cpt A. Judson Clark	New Jersey Light, Battery B: Lt Robert Sims 1st Rhode Island Light, Battery E: Lt Pardon S. Jastram 3rd United States, Batteries F and K: Lt John G. Turnbull
Second Division      MG Hiram Berry (k)      BG Joseph B. Carr	1st Brigade    BG Joseph B. Carr    Col William E. Blaisdell	1st Massachusetts: Col Napoleon B. McLaughlen 11th Massachusetts: Col William E. Blaisdell, Ltc Porter D. Tripp 16th Massachusetts: Ltc Waldo Merriam 11th New Jersey: Col Robert McAllister 26th Pennsylvania: Col Benjamin C. Tilghman (w), Maj Robert L. Bodine
	2nd Brigade    BG Joseph W. Revere [lower-roman 15]    Col J. Egbert Farnum	70th New York: Col J. Egbert Farnum, Ltc Thomas Holt 71st New York: Col Henry L. Potter 72nd New York: Col William O Stevens (k), Maj John Leonard 73rd New York: Maj Michael W. Burns 74th New York: Ltc Wm. H. Lounsbury (w), Cpt Henry M. Alles (w), Cpt Francis E. Tyler 120th New York: Ltc Cornelius D. Westbrook
	3rd Brigade    BG Gershom Mott (w)    Col William J. Sewell	5th New Jersey: Col William J. Sewell, Maj Ashbel W. Angel (w), Cpt Virgil M. Healy 6th New Jersey: Col George C. Burling (w), Ltc Stephen R. Gilkyson 7th New Jersey: Col Louis R. Francine, [lower-roman 16] Ltc Francis Price 8th New Jersey: Col John Ramsey (w), Cpt John Langton 2nd New York: Col Sidney W. Park (w), Ltc William A. Olmsted 115th Pennsylvania: Col Francis A. Lancaster (k), Maj John P. Dunne
	Artillery    Cpt Thomas W. Osborn	1st New York Light, Battery D: Lt George B. Winslow New York Light, 4th Battery: [lower-roman 17] Lt William T. McLean 1st United States, Battery H: Lt Justin E. Dimick (mw), Lt James A. Sanderson 4th United States, Battery K: Lt Francis W. Seeley
Third Division    BG Amiel W. Whipple (mw)    BG Charles K. Graham [lower-roman 18]	1st Brigade    Col Emlen Franklin	86th New York: Ltc Bena J. Chapin (k), Cpt Jacob H. Lansing 124th New York: Col A. Van Horne Ellis 122nd Pennsylvania: Ltc Edward McGovern
	2nd Brigade    Col Samuel M. Bowman	12th New Hampshire: Col Joseph H. Potter (w), Ltc John F. Marsh (w), Maj George D. Savage (w) 84th Pennsylvania: Ltc Milton Opp 110th Pennsylvania: Col James Crowther (k), Maj David M. Jones (w&c)
	3rd Brigade    Col Hiram Berdan	1st United States Sharpshooters: Ltc Casper Trepp 2nd United States Sharpshooters: Maj Homer R. Stoughton
	Artillery [lower-roman 19]    Cpt James F. Huntington	New York Light, 10th Battery: Lt Samuel Lewis New York Light, 11th Battery: Lt John E. Burton 1st Ohio Light, Battery H: Cpt James F. Huntington

V Corps

Main article: V Corps (Union Army)

MG George Meade

Chief of Artillery: Cpt Stephen H. Weed

Escort:

• 17th Pennsylvania Cavalry (2 companies): Cpt William Thompson

Division	Brigade	Regiments and Others
First Division      BG Charles Griffin	1st Brigade    BG James Barnes	2nd Maine: Col George Varney 18th Massachusetts: Col Joseph Hayes 22nd Massachusetts: Col William S. Tilton 2nd Company Massachusetts Sharpshooters: [lower-roman 20] Lt Robert Smith 1st Michigan: Col Ira C. Abbott 13th New York (2 companies): Cpt William Downey 25th New York: Col Charles A. Johnson 118th Pennsylvania: Col Charles M. Prevost
	2nd Brigade    Col James McQuade [lower-roman 21]    Col Jacob B. Sweitzer	9th Massachusetts: Col Patrick R. Guiney 32nd Massachusetts: Ltc Luther Stephenson 4th Michigan: Col Harrison H. Jeffords 14th New York: Ltc Thomas M. Davies 62nd Pennsylvania: Col Jacob B. Sweitzer, Ltc James C. Hull
	3rd Brigade    Col T.B.W. Stockton	20th Maine: Ltc Joshua Chamberlain 16th Michigan: Ltc Norval E. Welch Brady's Company Michigan Sharpshooters [lower-roman 22] 12th New York: Cpt William Huson 17th New York: Ltc Nelson B. Bartram 44th New York: Col James C. Rice 83rd Pennsylvania: Col Strong Vincent
	Artillery    Cpt Augustus P. Martin	Massachusetts Light, 3rd Battery (C): Cpt Augustus P. Martin Massachusetts Light, 5th Battery (E): Cpt Charles A. Phillips 1st Rhode Island Light, Battery C: Cpt Richard Waterman 5th United States, Battery D: Lt Charles E. Hazlett
Second Division      MG George Sykes	1st Brigade    BG Romeyn B. Ayres	3rd United States, Companies B, C, F, G, I, and K: Cpt John D. Wilkins 4th United States, Companies C, F, H, and K: Cpt Hiram Dryer 12th United States, Companies A, B. C, D, and G, 1st Battalion, and A, C, and D, 2nd Battalion: Maj Richard S. Smith 14th United States, Companies A, B, D, E, F, and G, 1st Battalion, and F and G, 2nd Battalion: Cpt Jonathan B. Hager, Maj Grotius R. Giddings [lower-roman 23]
	2nd Brigade    Col Sidney Burbank	2nd United States, Companies B, C, F, I, and K: Cpt Salem S. Marsh (k), Cpt Samuel A. McKee 6th United States, Companies D, F, G, H, and I: Cpt Levi C. Bootes 7th United States, Companies A, B, E, and I: Cpt David P. Hancock 10th United States, Companies D, G, and H: Lt Edward G. Bush 11th United States, Companies B, C, D, E, F, and G, 1st Battalion, and C and D, 2nd Battalion: Maj DeLancey Floyd-Jones 17th United States, Companies A, C, D, G, and H, 1st Battalion, and A and B, 2nd Battalion): Maj George L. Andrews
	3rd Brigade    Col Patrick O'Rorke	5th New York: Col Cleveland Winslow 140th New York: Ltc Louis Ernst 146th New York: Col Kenner Garrard
	Artillery    Cpt Stephen H. Weed	1st Ohio Light, Battery L: Cpt Frank C. Gibbs 5th United States, Battery I: Lt Malbone F. Watson
Third Division      BG Andrew A. Humphreys	1st Brigade    BG Erastus B. Tyler	91st Pennsylvania: Col Edgar M. Gregory (w), Ltc Joseph H. Sinex 126th Pennsylvania: Ltc David W. Rowe [lower-roman 24] (w) 129th Pennsylvania: Col Jacob G. Frick 134th Pennsylvania: Col Edward O'Brien
	2nd Brigade    Col Peter H. Allabach	123rd Pennsylvania: Col John B. Clark 131st Pennsylvania: Maj Robert W. Patton 133rd Pennsylvania: Col Franklin B. Speakman 155th Pennsylvania: Ltc John H. Cain
	Artillery    Cpt Alanson M. Randol	1st New York Light, Battery C: Cpt Almont Barnes 1st United States, Batteries E and G: Cpt Alanson M. Randol

VI Corps

Main article: VI Corps (Union Army)

MG John Sedgwick

Chief of Artillery: Col Charles H. Tompkins

Escort: Maj Hugh H. Janeway

• 1st New Jersey Cavalry, Company L: Lt Voorhees Dye
• 1st Pennsylvania Cavalry, Company H: Cpt William S. Craft

Division	Brigade	Regiments and Others
First Division      BG William T. H. Brooks	1st Brigade    Col Henry W. Brown (w)    Col William H. Penrose    Col Samuel L. Buck [lower-roman 25] (w)    Col William H. Penrose	1st New Jersey: Col Mark W. Collet (k), Ltc William Henry, Jr. 2nd New Jersey: Col Samuel L. Buck, Ltc Charles Wiebecke 3rd New Jersey: Maj James W. H. Stickney 15th New Jersey: Col William H. Penrose, Ltc Edward L. Campbell 23rd New Jersey: Col E. Burd Grubb
	2nd Brigade    BG Joseph J. Bartlett	5th Maine: Col Clark S. Edwards 16th New York: Col Joel J. Seaver 27th New York: Col Alexander D. Adams 121st New York: Col Emory Upton 96th Pennsylvania: Maj William H. Lessig
	3rd Brigade    BG David A. Russell	18th New York: Col George R. Myers 32nd New York: Col Francis E. Pinto 49th Pennsylvania: Ltc Thomas M. Hulings 95th Pennsylvania: Col Gustavus W. Town (k), Ltc Elisha Hall (k), Cpt Theodore H. McCalla 119th Pennsylvania: Col Peter C. Ellmaker
	Artillery    Maj John A. Tompkins	Massachusetts Light, 1st Battery (A): Cpt William H. McCartney New Jersey Light, Battery A: Lt Augustine N. Parsons Maryland Light, Battery A: Cpt James H. Rigby 2nd United States, Battery D: Lt Edward B. Williston
	Provost Guard	4th New Jersey (Companies A, C, and H): Cpt Charles Ewing
Second Division      BG Albion P. Howe	2nd Brigade    Col Lewis A. Grant	26th New Jersey: Col Andrew J. Morrison, [lower-roman 26] Ltc Edward Martindale 2nd Vermont: Col James H. Walbridge 3rd Vermont: Col Thomas O. Seaver, Ltc Samuel E. Pingree [lower-roman 27] 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: Ltc Seldon Connor 21st New Jersey: Col Gilliam Van Houten (mw), Ltc Isaac S. Mettler 20th New York: Col Ernst Von Vegesack (w) 33rd New York: Col Robert F. Taylor 49th New York: Col Daniel D. Bidwell 77th New York: Ltc Winsor B. French
	Artillery    Maj J. Watts de Peyster, Jr.	New York Light, 1st Battery: Cpt Andrew Cowan 5th United States, Battery F: Lt Leonard Martin
Third Division      MG John Newton	1st Brigade    Col Alexander Shaler	65th New York: Ltc Joseph E. Hamblin 67th New York: Col Nelson Cross 122nd New York: Col Silas Titus 23rd Pennsylvania: Col John Ely 82nd Pennsylvania: Maj Isaac C. Bassett
	2nd Brigade    Col William H. Browne (w)    Col Henry L. Eustis	7th Massachusetts: Col Thomas D. Johns (w), Ltc Franklin P. Harlow 10th Massachusetts: Col Henry L. Eustis, Ltc Joseph B. Parsons 37th Massachusetts: Col Oliver Edwards 36th New York: Ltc James J. Walsh 2nd Rhode Island: Col Horatio Rogers, Jr.
	3rd Brigade    BG Frank Wheaton	62nd New York: Ltc Theodore B. Hamilton (w) 93rd Pennsylvania: Cpt John S. Long 98th Pennsylvania: Col John F. Ballier (w), Ltc George Wynkoop 102nd Pennsylvania: Col Joseph M. Kinkead 139th Pennsylvania: Col Frederick H. Collier
	Artillery    Cpt Jeremiah McCarthy	1st New York Light, Batteries C and D: Cpt Jeremiah McCarthy 2nd United States, Battery G: Lt John H. Butler
Light Division      BG Calvin E. Pratt      Col Hiram Burnham [9] [10] [lower-roman 28]	Infantry	6th Maine: Ltc Benjamin F. Harris 31st New York: Col Frank Jones 43rd New York: Col Benjamin F. Baker 61st Pennsylvania: Col George C. Spear (k), Maj George W. Dawson 5th Wisconsin: Col Thomas S. Allen
	Artillery	New York Light Artillery, 3rd Battery: Lt William A. Harn

XI Corps

Main article: XI Corps (Union Army)

MG Oliver O. Howard

Chief of Artillery: Ltc Louis Schirmer

Escort:

• 1st Indiana Cavalry, Companies I and K: Cpt Abram Sharra

Division	Brigade	Regiments and Others
First Division      BG Charles Devens, Jr. (w)      BG Nathaniel C. McLean	1st Brigade    Col Leopold von Gilsa	41st New York: Maj Detlev Von Einsiedel 45th New York: Col George von Amsberg 54th New York: Ltc Charles Ashby (c), Maj Stephen Kovacs 153rd Pennsylvania: Col Charles Glanz (c), Ltc Jacob Dachrodt
	2nd Brigade    BG Nathaniel C. McLean    Col John C. Lee	17th Connecticut: Col William H. Noble (w), Maj Allen G. Brady 25th Ohio: Col William P. Richardson (w), Maj Jeremiah Williams 55th Ohio: Col John C. Lee, Ltc Charles B. Gambee 75th Ohio: Col Robert Reily (k), Cpt Benjamin Morgan 107th Ohio: Col Seraphim Meyer (w&c), Ltc Charles Mueller
	Artillery	New York Light, 13th Battery: Cpt Julius Dieckmann
	Provost Guard	8th New York (1 company): Lt Herman Rosenkranz
Second Division      BG Adolph Von Steinwehr	1st Brigade    Col Adolphus Buschbeck	29th New York: Ltc Louis Hartmann (w), Maj Alexander Von Schluembach 154th New York: Col Patrick H. Jones (w), Ltc Henry C. Loomis 27th Pennsylvania: Ltc Lorenz Cantador 73rd Pennsylvania: Ltc William Moore (w)
	2nd Brigade    BG Francis C. Barlow	33rd Massachusetts: Col Adin B. Underwood 134th New York: Col Charles Coster 136th New York: Col James Wood 73rd Ohio: Col Orland Smith
	Artillery	1st New York Light, Battery I: Cpt Michael Wiedrich
Third Division      MG Carl Schurz	1st Brigade    BG Alexander Schimmelfennig	82nd Illinois: Col Frederick Hecker (w), Maj Ferdinand H. Rolshausen (w), Cpt Jacob Lasalle 68th New York: Col Gotthilf Bourry 157th New York: Col Philip P. Brown, Jr. 61st Ohio: Col Stephen J. McGroarty 74th Pennsylvania: Ltc Adolph Von Hartung
	2nd Brigade    Col Wlodzimierz Krzyzanowski	58th New York: Cpt Frederick Braun (mw), Cpt Emil Koenig 119th New York: Col Elias Peissner (k), Ltc John T. Lockman 75th Pennsylvania: Col Francis Mahler 26th Wisconsin: Col William H. Jacobs (w)
	Unattached	82nd Ohio: Col James S. Robinson
	Artillery	1st Ohio Light, Battery I: Cpt Hubert Dilger
	Reserve Artillery    Ltc Louis Schirmer	New York Light, 2nd Battery: Cpt Hermann Jahn 1st Ohio Light, Battery K: Cpt William L. DeBeck 1st West Virginia Light, Battery C: Cpt Wallace Hill

XII Corps

Main article: XII Corps (ACW)

MG Henry W. Slocum

Chief of Artillery: Cpt Clermont L. Best

Provost Guard:

• 10th Maine Battalion (3 companies): Cpt John D. Beardsley

Division	Brigade	Regiments and Others
First Division      BG Alpheus S. Williams	1st Brigade    BG Joseph F. Knipe [lower-roman 29]	5th Connecticut: Col Warren W. Packer (c), Ltc James A. Betts, [lower-roman 30] Maj David F. Lane 28th New York: Ltc Elliott W. Cook (c), Maj Theophilus Fitzgerald 46th Pennsylvania: Maj Cyrus Strous (mw), Cpt Edward L. Witman 128th Pennsylvania: Col Joseph A. Mathews (c), Maj Cephas W. Dyer
	2nd Brigade    Col Samuel Ross (w)    BG Joseph F. Knipe [lower-roman 31]	20th Connecticut: Ltc William B. Wooster (c), Maj Philo B. Buckingham 3rd Maryland: Ltc Gilbert P. Robinson 123rd New York: Col Archibald L. McDougall 145th New York: Col E. Livingston Price (w), Cpt George W. Reid
	3rd Brigade    BG Thomas H. Ruger	27th Indiana: Col Silas Colgrove 2nd Massachusetts: Col Samuel M. Quincy 13th New Jersey: Col Ezra A. Carman, [lower-roman 32] Maj John Grimes (w), Cpt George A. Beardsley 107th New York: Col Alexander S. Diven 3rd Wisconsin: Col William Hawley
	Artillery    Cpt Robert H. Fitzhugh	1st New York Light, Battery K: Lt Edward L. Bailey 1st New York Light, Battery M: Lt Charles E. Winegar (c), Lt John D Woodbury 4th United States, Battery F: Lt Franklin B. Crosby (k), Lt Edward D. Muhlenberg
Second Division      BG John W. Geary	1st Brigade    Col Charles Candy	5th Ohio: Ltc Robert L. Kilpatrick (w), Maj Henry E. Symmes 7th Ohio: Col William R. Creighton 29th Ohio: Ltc Thomas Clark 66th Ohio: Ltc Eugene Powell 28th Pennsylvania: Maj Lansford F. Chapman (k), Cpt Conrad U. Meyer 147th Pennsylvania: Ltc Ario Pardee, Jr.
	2nd Brigade    BG Thomas L. Kane	29th Pennsylvania: Ltc William Rickards, Jr. 109th Pennsylvania: Col Henry J. Stainrook (k), Cpt John Young, Jr. 111th Pennsylvania: Col George A. Cobham, Jr. 124th Pennsylvania: Ltc Simon Litzenberg 125th Pennsylvania: Col Jacob Higgins
	3rd Brigade    BG George S. Greene	60th New York: Ltc John C. O. Redington 78th New York: Maj Henry R. Stagg, Cpt William H. Randall [lower-roman 33] 102nd New York: Col James C. Lane 137th New York: Col David Ireland [11] 149th New York: Maj Abel G. Cook (w), Cpt Oliver T. May, Ltc Koert S. Van Voorhis [11] [12] [lower-roman 34]
	Artillery    Cpt Joseph M. Knap	Pennsylvania Light, Battery E: Lt Charles A. Atwell (w), Lt James D. McGill Pennsylvania Light, Battery F: Cpt Robert B. Hampton (mw), Lt James P. Fleming

Cavalry Corps

Main article: Cavalry Corps (ACW)

BG George Stoneman ^{[13] [lower-roman 35] [14]}

Division	Brigade	Regiments and Others
First Division      BG Alfred Pleasonton [lower-roman 36]	1st Brigade    Col Benjamin F. Davis	8th Illinois: Ltc David R. Clendenin 3rd Indiana: Col George H. Chapman 8th New York: Ltc William L. Markell 9th New York: Col William A. Sackett
	2nd Brigade    Col Thomas Devin	1st Michigan (Company L): Lt John K. Truax 6th New York: Ltc Duncan McVicar (k), Cpt William E. Beardsley 8th Pennsylvania: Maj Pennock Huey 17th Pennsylvania: Col Josiah H. Kellogg
	Artillery	New York Light, 6th Battery: Lt Joseph W. Martin
Second Division      BG William W. Averell [lower-roman 37] [15]	1st Brigade    Col Horace B. Sargent	1st Massachusetts: Ltc Greely S. Curtis 4th New York: Col Louis P. Di Cesnola 6th Ohio: Maj Benjamin C. Stanhope 1st Rhode Island: Ltc John L. Thompson
	2nd Brigade    Col John B. McIntosh	3rd Pennsylvania: Ltc Edward S. Jones 4th Pennsylvania: Ltc William E. Doster 16th Pennsylvania: Ltc Lorenzo D. Rogers
	Artillery	2nd United States, Battery A: Cpt John C. Tidball
Third Division [lower-roman 38] [15]      BG David McM. Gregg	1st Brigade    Col H. Judson Kilpatrick [16]	1st Maine: Col Calvin S. Douty 2nd New York: Ltc Henry E. Davies, Jr. 10th New York: Ltc William Irvine
	2nd Brigade    Col Percy Wyndham	12th Illinois: Ltc Hasbrouck Davis 1st Maryland: Ltc James M. Deems 1st New Jersey: Ltc Virgil Brodrick 1st Pennsylvania: Col John P. Taylor
Reporting directly	Reserve Brigade    BG John Buford	6th Pennsylvania: Maj Robert Morris, Jr. 1st United States: Cpt Richard S. C. Lord 2nd United States: Maj Charles J. Whiting 5th United States: Cpt James E. Harrison 6th United States: Cpt George C. Cram
	Horse Artillery    Cpt James M. Robertson	2nd United States, Batteries B and L: Lt Albert O. Vincent 2nd United States, Battery M: Lt Robert Clarke 4th United States, Battery E: Lt Samuel S. Elder

Artillery

BG Henry J. Hunt ^{[lower-roman 39]}

Brigade	Regiments and Batteries
Artillery Reserve    Cpt William M. Graham    BG Robert O. Tyler [17] [lower-roman 40]	1st Connecticut Heavy, Battery B: Lt Albert F. Brooker 1st Connecticut Heavy, Battery M: Cpt Franklin A. Pratt New York Light, 5th Battery: Cpt Elijah D. Taft New York Light, 15th Battery: Cpt Patrick Hart New York Light, 29th Battery: Lt Gustav Von Blucher New York Light, 30th Battery: Cpt Adolph Voegelee New York Light, 32nd Battery: Lt George Gaston 1st United States, Battery K: Lt Lorenzo Thomas, Jr. 3rd United States, Battery C: Lt Henry Meinell 4th United States, Battery G: Lt Marcus P. Miller 5th United States, Battery K: Lt David H. Kinzie 32nd Massachusetts Infantry (Company C): Cpt Josiah C. Fuller
Train Guard	4th New Jersey (7 Companies): Col William Birney, Cpt Robert S. Johnston

Footnotes

1. Multiple commander names indicate command succession of command during the battle or the campaign.
2. Assigned to the 5th Battery, Maine Light on May 3, 1863 by Major General Couch (see: Couch's and Morgan's report)
3. For Assistant Inspector-General see Couch's and Morgan's report.
4. During the principal operations south of the Rappahannock, Colonel Edward E. Cross had temporary command of a force consisting of the 5th New Hampshire, 88th New York, and 81st Pennsylvania. The Sixty-sixth New York, of the 3rd Brigade, served temporarily with the 1st Brigade.
5. Relieved May 1, 1863
6. Relieved May 3, 1863
7. Turned over command to Lieutenant Colonel Lockwood on account of sickness on May 4, 1863.
8. Turned over command to Colonel Albright on account of sickness on May 2, 1863.
9. Not engaged, assigned to special duty as guard to the corps hospital.
10. Assigned to the 5th Battery, Maine Light on May 3, 1863 by Major General Couch
11. Mentioned in Morgan's report, but omitted in the order of battle by Sears and the Official Records.
12. Assigned to command of Third Division May 4, 1863
13. Left regiment on May 3, 1863 on account of exhaustion (see: Birney's and Collis' report)
14. assumed command on May 5, 1863 (see: Merrill's report)
15. Relieved of command May 3, 1863 (see: Sickles', Revere's and Farnum's report)
16. Turned over command to Lieutenant Colonel Price on account of sickness on May 3, 1863 (see: Francine's and Price's report)
17. Sears and the Official Records lists Lieutenant George F. Barstow in command, but he is not mentioned in the reports. Barstow appears in Cushing's report with the rank of Major and as Assistant Adjutant General (see: Cushing's and Osborn's report)
18. Assigned to command of Third Division May 4, 1863
19. Captain Albert A. Von Puttkammer was absent (see: Huntington's report)
20. Attached to the 22nd Massachusetts
21. Injured on May 4, 1863 and turned over the command to Colonel Sweitzer (see: McQuade's report)
22. Attached to the 16th Michigan
23. Assumed command May 3, 1863 (see: Hager's report)
24. Slightly wounded, but remained in command (see: Tyler's report)
25. Assumed command May 3, 1863. After Colonel Buck was accidentally injured on May 4, 1863 the command devolved again on Colonel Penrose (see: Penrose's report)
26. Arrested for intoxication
27. Commanded the regiment while Colonel Seaver acted as General officer of the day during the retreat over the Rappahannock (see: Grant's and Seaver's report)
28. Assumed command April 30, 1863 after the resignation of Brigadier General Pratt; according to Eicher and Eicher the date of resignation was April 25, 1863)
29. Assumed also command of the Second Brigade on May 3, 1863 after Colonel Ross was wounded (see: Williams' and Knipe's report)
30. Turned over command to Major Lane on account of sickness on May 2, 1863 (see: Lane's report)
31. Assumed also command of the Second Brigade on May 3, 1863 after Colonel Ross was wounded (see: Williams' and Knipe's report)
32. Injured on May 1, 1863 (see: Beardsley's report)
33. Assigned to command on May 1, 1863 (see: Randall's report)
34. Lieutenant Colonel 137th New York; assigned after Major Cook was wounded (see also: Voorhis' report)
35. The Second and Third Divisions, First Brigade, First Division and the Reserve Brigade, with Battery A, 2nd United States and Batteries B and L, 2nd United States on the Stoneman Raid, April 29-May 7, 1863. Hooker had hoped that the raid would "enable Stoneman to do a land-office business in the interior."
36. Assumed command of First and Second Divisions, May 4, 1863.
37. Relieved of command May 4, 1863.
38. Relieved of command May 4, 1863.
39. Chief of Artillery to the whole Army.
40. Assigned May 2, 1863.

Citations

1. U.S. War Dept., Official Records, Vol. 25/1, pp. 156–170.
2. Sears (1996), pp. 453–467, Appendix I.
3. U.S. War Dept., Official Records, Vol. 25/1, pp. 475–492.
4. U.S. War Dept., Official Records, Vol. 25/1, pp. 1161–1169, 1332.
5. U.S. War Dept., Official Records, Vol. 25/1, pp. 306–310 - Reports of MGEN Couch, II Corps coomander, 9 & 20 May 1863, pp. 306-308; LTC Morgan,Assistant Inspector General and Chief of Artillery, 14 May 1863, pp. 309-310
6. U.S. War Dept., Official Records, Vol. 25/1, pp. 350–351 - Report of BGEN Gibbon, 2nd Division commander, 7 May 1863, pp. 350-351
7. U.S. War Dept., Official Records, Vol. 25/1, pp. 373–374 - Report of LTC Jonathan H. Lockwood, 7th West Virginia Infantry commander, 10 May 1863, pp. 373-374
8. U.S. War Dept., Official Records, Vol. 25/1, pp. 381–383 - Report of LTC Charles Albright, 132ndth Pennsylvania Infantry commander,commanding Third Brigade, 10 May 1863, pp. 381-383
9. Eicher, Eicher & Simon (2001), p. 438.
10. U.S. War Dept., Official Records, Vol. 25/1, pp. 166 - Organization of the Army of the Potomac, commanded by Maj. Gen. Joseph; Hooker;, May 1–6, 1863, pp. 156-170
11. Cleutz (2010), p. 113.
12. Cleutz (2010), pp. 113–114.
13. U.S. War Dept., Official Records, Vol. 25/2, pp. 330- Dispatch of MGEN Joseph Hooker to MGEN Butterfield, May 1, 1863
14. U.S. War Dept., Official Records, Vol. 25/1, pp. 1080–1083 - BGEN Gregg, commanding 3rd Division, Cavalry Corps, Army of the Potomac, 15 May 1863, pp. 1080-1083
15. U.S. War Dept., Official Records, Vol. 25/1, pp. 1076–1083 - Reports of BGEN Averell, commanding 2nd Division, 7 May 1863 and BGEN Gregg, commanding 3rd Division,, 15 May 1863, Cavalry Corps, Army of the Potomac, pp. 076-1083
16. U.S. War Dept., Official Records, Vol. 25/1, pp. 1083–1084 - Report of COL Kilpatrick, commanding 1st Brigade, 3rd Division, 13 May 1863, pp. 1083-1084
17. U.S. War Dept., Official Records, Vol. 25/1, pp. 157 - Organization of the Army of the Potomac, commanded by Maj. Gen. Joseph; Hooker, May 1–6, 1863, pp. 156-170

References

• Cleutz, David (2010). Fields of Fame & Glory: Col. David Ireland and the 137th New York Volunteers (PDF) (1st ed.). Bloomington, IN: Xlibris Corporation. pp. 113–114. ISBN   978-1-4500-3069-4. LCCN   2010900689. OCLC   645090336 . Retrieved 2018-08-15.
• Eicher, John H.; Eicher, David J.; Simon, John Y. (2001). Civil War High Commands (PDF) (1st ed.). Palo Alto, CA: Stanford University Press. p. 438. ISBN   9780804780353. LCCN   2001020194. OCLC   923699788 . Retrieved 2018-08-15.
• Sears, Stephen W. (1996), Chancellorsville (PDF) (1st ed.), Boston, MA: Houghton-Mifflin Co., pp. 91–92, 109–10, ISBN   978-0-395-63417-2, LCCN   96031220, OCLC   1023003565 , retrieved 2008-08-15
• U.S. War Department (1889). Operations in Northern Virginia, West Virginia, Maryland, and Pennsylvania. January 26 – June 3, 1863 – Reports. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies. Vol. XXV-XXXVII-I. Washington, DC: U.S. Government Printing Office. hdl:2027/coo.31924077730244. OCLC   857196196. This article incorporates text from this source, which is in the public domain .
• U.S. War Department (1889). Operations in Northern Virginia, West Virginia, Maryland, and Pennsylvania. January 26 – June 3, 1863 – Correspondence, etc. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies. Vol. XXV-XXXVII-II. Washington, DC: U.S. Government Printing Office. hdl:2027/coo.31924085376626. OCLC   857196196. This article incorporates text from this source, which is in the public domain .