Fredericksburg Union order of battle

The following Union Army units and commanders fought in the Battle of Fredericksburg of the American Civil War. Order of battle compiled from the army organization during the campaign.[1][2] The Confederate order of battle is listed separately.

Abbreviations used

Military ranks

MG = Major General
BG = Brigadier General
Col = Colonel
Ltc = Lieutenant Colonel
Maj = Major
Cpt = Captain
Lt = 1st Lieutenant

Other

Army of the Potomac

MG Ambrose Burnside, Commanding

Chief of Staff: MG John Parke
Chief of Artillery: BG Henry Jackson Hunt
Inspector General: BG Delos B. Sackett

General Headquarters units

Escort:

Oneida (New York) Cavalry: Cpt Daniel P. Mann
1st U.S. Cavalry, Companies. BCH&I: Cpt Marcus A. Reno
4th U.S. Cavalry, Companies A and E: Cpt James B. McIntyre

Provost Guard: BG Marsena R. Patrick

Sturgis (Illinois) Rifles: Cpt James Steel
22nd New Jersey
29th New Jersey
30th New Jersey
31st New Jersey
9th New York Infantry, Company G: Cpt Charles Child
93rd New York Infantry: Col John S. Crocker
147th New York
137th Pennsylvania
2nd U.S. Cavalry: Maj Charles J. Whiting
8th U.S. Infantry (5 companies): Cpt Royal T. Frank

Volunteer Engineer Brigade: BG Daniel Phineas Woodbury

15th New York: Col John M. Murphy
50th New York: Ltc William H. Pettes
Battalion U.S. Engineers: Cpt James C. Duane

Artillery Reserve: Ltc William Hays

5th Battery, New York Light: Cpt Elijah D. Taft
Battery A, 1st Battalion New York Light: Cpt Otto Diederichs
Battery B, 1st Battalion New York Light: Cpt Adolph Voegelee
Battery C, 1st Battalion New York Light: Lt Bernhard Wever
Battery D, 1st Battalion New York Light: Cpt Charles Kusserow
Battery K, 1st United States: Cpt William M. Graham
Battery A, 2nd United States: Cpt John C. Tidball
Battery G, 4th United States: Lt Marcus P. Miller
Battery K, 5th United States: Lt David H. Kinzie
32nd Massachusetts Infantry, Company C: Cpt Josiah C. Fuller

Unattached Artillery: Maj Thomas S. Trumbull

Battery B, 1st Connecticut Heavy: Cpt Albert F. Brooker
Battery M, 1st Connecticut Heavy: Cpt Franklin A. Pratt

Right Grand Division

MG Edwin Vose Sumner

II Corps

MG Darius N. Couch

Division	Brigade	Regiments and Others
First Division MG Winfield Scott Hancock	1st Brigade BG John C. Caldwell (w) Col George W. Von Schack	5th New Hampshire: Col Edward E. Cross (w), Maj Edward E. Sturtevant (k), Cpt James E. Larkin (w), Cpt Horace T. H. Pierce 7th New York: Col John E. Bendix (w), Lt. Col George W. von Schack, Cpt G. A. von Bransen 61st New York: Col Nelson A. Miles (w) 64th New York: Ltc Enos C. Brooks (w) 81st Pennsylvania: Col H. Boyd McKeen (w), Cpt William Wilson 145th Pennsylvania: Col Hiram L. Brown (w), Ltc David B. McCreary
	2nd Brigade BG Thomas F. Meagher	28th Massachusetts: Col Richard Byrnes 63rd New York: Ltc Richard C. Bentley (w), Maj Joseph O'Neill (w), Cpt Patrick J. Condon 69th New York: Col Robert Nugent (w), Cpt James Saunders 88th New York: Col Patrick Kelly 116th Pennsylvania: Col Dennis Heenan (w), Ltc St. Clair Augustine Mulholland (w), Lt Francis T. Quinlan
	3rd Brigade Col Samuel K. Zook	27th Connecticut: Col Richard S. Bostwick 2nd Delaware: Col William P. Bailey (w) 52nd New York: Col Paul Frank 57th New York: Ltc Alford B. Chapman (w), Maj N. Garrow Throop (mw), Cpt James W. Britt 66th New York: Ltc James H. Bull (k), Cpt Julius Wehle (k), Cpt John S. Hammell (w), Lt James G. Derrickson 53rd Pennsylvania: Col John R. Brooke
	Artillery	Battery B, 1st New York Light: Cpt Rufus D. Pettit Battery C, 4th United States: Lt Evan Thomas
Second Division MG Oliver O. Howard	1st Brigade BG Alfred Sully	19th Maine: Col Frederick D. Sewall, Ltc Francis E. Heath 15th Massachusetts: Maj Chase Philbrick (w), Cpt John Murkland, Cpt Charles H. Watson 1st Company Massachusetts Sharpshooters: Cpt William Plumer 1st Minnesota: Col George N. Morgan Minnesota Sharpshooters, 2nd Company: Cpt William F. Russell 34th New York: Col James A. Sutter 82nd New York: Ltc James Huston
	2nd Brigade Col Joshua T. Owen	69th Pennsylvania: Ltc Dennis O'Kane 71st Pennsylvania: Ltc John Markoe 72nd Pennsylvania: Col DeWitt C. Baxter 106th Pennsylvania: Col Turner G. Morehead
	3rd Brigade Col Norman J. Hall (w) Col William R. Lee	19th Massachusetts: Cpt H. G. O. Weymouth (w) 20th Massachusetts: Cpt George N. Macy 7th Michigan: Ltc Henry Baxter (w), Maj Thomas J. Hunt 42nd New York: Ltc George N. Bomford 59th New York: Ltc William Northedge 127th Pennsylvania:[3] Col William W. Jennings
	Artillery	Battery A, 1st Rhode Island Light: Cpt William A. Arnold Battery B, 1st Rhode Island Light: Cpt John G. Hazard
Third Division MG William H. French	1st Brigade BG Nathan Kimball (w) Col John S. Mason	14th Indiana: Maj Elijah H. C. Cavins 24th New Jersey: Col William B. Robertson 28th New Jersey: Col Moses N. Wisewell (w), Ltc E. A. L. Roberts 4th Ohio: Col John S. Mason, Ltc James H. Godman (w), Cpt Gordon A. Stewart 8th Ohio: Ltc Franklin Sawyer 7th West Virginia: Col Joseph Snider (w), Ltc Jonathan H. Lockwood
	2nd Brigade Col Oliver H. Palmer	14th Connecticut: Ltc Sanford H. Perkins (w), Cpt Samuel H. Davis 108th New York: Ltc Charles J. Powers 130th Pennsylvania: Col Henry I. Zinn (k), Cpt William M. Porter
	3rd Brigade Col John W. Andrews[4] Ltc William Jameson Ltc John W. Marshall	1st Delaware: Maj Thomas A. Smyth 4th New York: Col John D. MacGregor (w), Ltc William Jameson, Maj Charles W. Kruger 10th New York: Col John E. Bendix (w), Cpt Salmon Winchester (mw), Cpt George F. Hopper 132nd Pennsylvania:[5] Ltc Charles Albright
	Artillery	Battery G, 1st New York Light: Cpt John D. Frank Battery G, 1st Rhode Island Light: Cpt Charles D. Owen
Corps Artillery Reserve Cpt Charles H. Morgan[6]		Battery I, 1st United States: Lt Edmund Kirby Battery A, 4th United States: Lt Rufus King, Jr.

IX Corps

BG Orlando B. Willcox

Escort

6th New York Cavalry, Company B: Cpt Hillman A. Hall
6th New York Cavalry, Company C: Cpt William L. Heermance

Division	Brigade	Regiments and Others
First Division BG William W. Burns	1st Brigade Col Orlando Poe	2nd Michigan: Ltc Louis Dillman 17th Michigan: Col William H. Withington 20th Michigan: Col Adolphus W. Williams 79th New York: Ltc David Morrison
	2nd Brigade Col Benjamin C. Christ	29th Massachusetts: Ltc Joseph H. Barnes 8th Michigan: Maj Ralph Ely 27th New Jersey: Col George W. Mindil 46th New York: Ltc Joseph P. Gerhardt 50th Pennsylvania: Ltc Thomas S. Brenholtz
	3rd Brigade Col Daniel Leasure	36th Massachusetts: Col Henry Bowman 45th Pennsylvania: Col Thomas Welsh 100th Pennsylvania: Ltc David A. Leckey
	Artillery[7]	Battery D, 1st New York Light: Cpt Thomas W. Osborn Batteries L and M, 3rd United States: Lt Horace J. Hayden
Second Division BG Samuel D. Sturgis	1st Brigade BG James Nagle	2nd Maryland: Col Thomas B. Allard 6th New Hampshire: Col Simon Goodell Griffin 9th New Hampshire: Ltc John W. Babbitt 48th Pennsylvania: Col Joshua K. Sigfried 7th Rhode Island: Col Zenas Bliss 12th Rhode Island: Col George H. Browne
	2nd Brigade BG Edward Ferrero	21st Massachusetts: Col William S. Clark 35th Massachusetts: Maj Sidney Willard (mw), Cpt Stephen H. Andrews 11th New Hampshire: Col Walter Harriman 51st New York: Col Robert Brown Potter 51st Pennsylvania: Col John F. Hartranft
	Artillery	Battery L, 2nd New York Light: Cpt Jacob Roemer Battery D, Pennsylvania Light: Cpt George W. Durell Battery D, 1st Rhode Island Light: Cpt William W. Buckley Battery E, 4th United States: Lt George Dickenson (k), Lt John Egan
Third Division BG George W. Getty	1st Brigade Col Rush C. Hawkins	10th New Hampshire: Col Michael T. Donohoe 13th New Hampshire: Col Aaron Fletcher Stevens 25th New Jersey: Col Andrew Derrom 9th New York: Ltc Edgar A. Kimball 89th New York: Col Harrison S. Fairchild 103rd New York: Col Benjamin Ringold
	2nd Brigade Col Edward Harland	8th Connecticut: Maj John E. Ward, Cpt Henry M. Hoyt 11th Connecticut: Col Griffin Alexander Stedman, Jr. 15th Connecticut: Ltc Samuel Tolles 16th Connecticut: Cpt Charles L. Upham 21st Connecticut: Col Arthur H. Dutton 4th Rhode Island: Ltc Joseph B. Curtis (k), Maj Martin P. Buffum
	Artillery	Battery E, 2nd United States: Lt Samuel N. Benjamin Battery A, 5th United States: Lt James Gillies

Cavalry Division

BG Alfred Pleasonton

Brigade	Regiments
1st Brigade BG John F. Farnsworth	8th Illinois Cavalry: Col William Gamble 3rd Indiana Cavalry: Maj George H. Chapman 8th New York Cavalry: Col Benjamin Franklin Davis
2nd Brigade Col David M. Gregg[8] Col Thomas Devin	6th New York Cavalry: Col Thomas C. Devin, Ltc Duncan McVicar 8th Pennsylvania Cavalry: Ltc Amos E. Griffiths 6th United States Cavalry: Cpt George C. Cram
Horse Artillery	Battery M, 2nd United States: Lt Alexander C. M. Pennington, Jr.

Center Grand Division

MG Joseph Hooker

III Corps

BG George Stoneman

Division	Brigade	Regiments and Others
First Division BG David B. Birney	1st Brigade BG John C. Robinson	20th Indiana: Col John Van Valkenburg 63rd Pennsylvania: Maj John A. Danks 68th Pennsylvania: Col Andrew H. Tippin 105th Pennsylvania: Col Amor A. McKnight 114th Pennsylvania: Col Charles H. T. Collis 141st Pennsylvania: Col Henry J. Madill
	2nd Brigade BG J. H. Hobart Ward	3rd Maine: Col Moses B. Lakeman 4th Maine: Col Elijah Walker 38th New York: Ltc William Birney (w) 40th New York: Ltc Nelson A. Gesner (w) 55th New York: Col Régis de Trobriand 57th Pennsylvania: Col Charles T. Campbell (w), Ltc Peter Sides 99th Pennsylvania: Col Asher S. Leidy (w), Ltc Edwin Ruthwin Biles
	3rd Brigade BG Hiram G. Berry	17th Maine: Col Thomas A. Roberts 3rd Michigan: Maj Moses B. Houghton 5th Michigan: Ltc John Gilluly (k), Maj Edward T. Sherlock 1st New York: Col J. Frederick Pierson 37th New York: Col Samuel B. Hayman 101st New York: Col George F. Chester
	Artillery Cpt George E. Randolph[9]	Battery E, 1st Rhode Island Light: Lt Pardon S. Jastram Batteries F and K, 3rd United States: Lt John G. Turnbull
Second Division BG Daniel Sickles	1st Brigade BG Joseph B. Carr	1st Massachusetts: Ltc Clark B. Baldwin, Col Napoleon B. McLaughlen 11th Massachusetts: Col William E. Blaisdell 16th Massachusetts: Col Thomas R. Tannatt 2nd New Hampshire: Col Gilman Marston 11th New Jersey: Col Robert McAllister 26th Pennsylvania: Ltc Benjamin C. Tilghman
	2nd Brigade Col George B. Hall	70th New York: Col J. Egbert Farnum 71st New York: Maj Thomas Rafferty 72nd New York: Col William O. Stevens 73rd New York: Col William R. Brewster 74th New York: Ltc William H. Lounsbury 120th New York: Col George H. Sharpe
	3rd Brigade BG Joseph W. Revere	5th New Jersey: Col William J. Sewell 6th New Jersey: Col George C. Burling 7th New Jersey: Col Louis R. Francine 8th New Jersey: Col Adolphus J. Johnson 2nd New York: Col Sidney W. Park 115th Pennsylvania: Ltc William A. Olmsted
	Artillery Cpt James E. Smith	Battery B, 1st New Jersey Light Artillery: Cpt A. Judson Clark 4th Battery, New York Light: Lt Joseph E. Nairn Battery H, 1st United States: Lt Justin E. Dimick Battery K, 4th United States: Lt Francis W. Seeley
Third Division BG Amiel W. Whipple	1st Brigade BG Abram S. Piatt[10] Col Emlen Franklin	86th New York: Ltc Bena J. Chapin 124th New York: Col Augustus Van Horne Ellis 122nd Pennsylvania: Col Emlen Franklin
	2nd Brigade Col Samuel S. Carroll	12th New Hampshire: Col Joseph H. Potter 163rd New York: Maj James J. Byrne 84th Pennsylvania: Col Samuel M. Bowman 110th Pennsylvania: Ltc James Crowther
	Artillery	10th Battery, New York Light: Cpt John T. Bruen 11th Battery, New York Light: Cpt Albert A. Von Puttkammer Battery H, 1st Ohio Light: Lt George W. Norton

V Corps

MG Daniel Butterfield

Division	Brigade	Regiments and Others
First Division BG Charles Griffin	1st Brigade Col James Barnes	2nd Maine: Ltc George Varney (w), Maj Daniel F. Sargent Massachusetts Sharpshooters, 2nd Company: Cpt Lewis E. Wentworth 18th Massachusetts: Ltc Joseph Hayes 22nd Massachusetts: Ltc William S. Tilton 1st Michigan: Ltc Ira C. Abbott (w) 13th New York: Col Elisha Marshall (w), Ltc Francis A. Schoeffel 25th New York: Cpt Patrick Connelly 118th Pennsylvania: Ltc James Gwyn
	2nd Brigade Col Jacob B. Sweitzer	9th Massachusetts: Col Patrick Robert Guiney 32nd Massachusetts: Col Francis J. Parker 4th Michigan: Ltc George W. Lumbard 14th New York: Ltc Thomas M. Davies 62nd Pennsylvania: Ltc James C. Hull
	3rd Brigade Col T. B. W. Stockton	20th Maine: Col Adelbert Ames, Ltc Joshua L. Chamberlain Michigan Sharpshooters, Brady's Company: Lt Jonas H. Titus Jr. 16th Michigan: Ltc Norval E. Welch 12th New York: Ltc Robert M. Richardson 17th New York: Cpt John Vickers 44th New York: Ltc Freeman Conner (w), Maj Edward B. Knox 83rd Pennsylvania: Col Strong Vincent
	Artillery[11]	3rd Massachusetts Light: Cpt Augustus Pearl Martin 5th Battery (E), Massachusetts Light: Cpt Charles A. Phillips Battery C, 1st Rhode Island Light: Cpt Richard Waterman Battery D, 5th United States: Lt Charles E. Hazlett
	Sharpshooters	1st United States: Ltc Casper Trepp
Second Division MG George Sykes	1st Brigade Ltc Robert C. Buchanan	3rd United States: Cpt John D. Wilkins 4th United States: Cpt Hiram Dryer 12th United States, 1st Battalion: Cpt Matthew M. Blunt 12th United States, 2nd Battalion: Cpt Thomas M. Anderson 14th United States, 1st Battalion: Cpt John D. O'Connell 14th United States, 2nd Battalion: Cpt Giles B. Overton
	2nd Brigade Maj George L. Andrews Maj Charles S. Lovell	1st United States and 2nd United States (battalion): Cpt Salem S. Marsh 6th United States: Cpt Levi C. Bootes 7th United States (battalion): Cpt David P. Hancock 10th United States: Cpt Henry E. Maynadier 11th United States: Cpt Charles S. Russell 17th and 19th United States (battalion): Cpt John P. Wales
	3rd Brigade BG Gouverneur K. Warren	5th New York: Col Cleveland Winslow 140th New York: Col Patrick O'Rorke 146th New York: Col Kenner Garrard
	Artillery	Battery L, 1st Ohio Light: Lt Frederick Dorries Battery I, 5th United States: Lt Malbone F. Watson[12]
Third Division BG Andrew A. Humphreys	1st Brigade BG Erastus B. Tyler	91st Pennsylvania: Col Edgar M. Gregory (w) 126th Pennsylvania: Col James G. Elder (w), Ltc David W. Rowe 129th Pennsylvania: Col Jacob G. Frick 134th Pennsylvania: Ltc Edward O'Brien
	2nd Brigade Col Peter H. Allabach	123rd Pennsylvania: Col John B. Clark 131st Pennsylvania: Ltc William B. Shaut 133rd Pennsylvania: Col Franklin B. Speakman 155th Pennsylvania: Col Edward J. Allen
	Artillery	Battery C, 1st New York Light: Lt William H. Phillips Batteries E and G, 1st United States: Cpt Alanson Merwin Randol[13]
Cavalry Brigade BG William W. Averell		1st Massachusetts Cavalry: Col Horace B. Sargent 3rd Pennsylvania Cavalry: Ltc Edward S. Jones 4th Pennsylvania Cavalry: Col James K. Kerr 5th United States Cavalry: Cpt James E. Harrison
Artillery		Batteries B and L, 2nd United States: Cpt James M. Robertson

Left Grand Division

MG William B. Franklin

Escort

6th Pennsylvania Cavalry: Col Richard H. Rush

I Corps

MG John F. Reynolds

Escort

1st Maine Cavalry, Company L: Cpt Constantine Taylor

Division	Brigade	Regiments and Others
First Division BG Abner Doubleday	1st Brigade Col Walter Phelps, Jr.	22nd New York: Ltc John McKie, Jr. 24th New York: Ltc Samuel R. Beardsley 30th New York: Ltc Morgan H. Chrysler 84th New York: Ltc William H. de Bevoise 2nd U.S. Sharpshooters: Maj Homer R. Stoughton
	2nd Brigade Col James Gavin	7th Indiana: Ltc John F. Cheek 76th New York: Col William P. Wainwright 95th New York: Col George H. Biddle 56th Pennsylvania: Ltc John William Hofmann
	3rd Brigade Col William F. Rogers	21st New York: Cpt George N. Layton 23rd New York: Col Henry C. Hoffman 35th New York: Col Newton B. Lord 80th New York: Ltc Jacob B. Hardenbergh
	4th Brigade BG Solomon Meredith Col Lysander Cutler	19th Indiana: Ltc Samuel J. Williams 24th Michigan: Col Henry A. Morrow 2nd Wisconsin: Col Lucius Fairchild 6th Wisconsin: Col Lysander Cutler, Ltc Edward S. Bragg 7th Wisconsin: Col William W. Robinson
	Artillery[14] Cpt George A. Gerrish (w) Cpt John A. Reynolds	1st Battery, New Hampshire Light: Lt Frederick M. Edgell Battery L, 1st New York Light: Cpt John A. Reynolds Battery B, 4th United States: Lt James Stewart
Second Division BG John Gibbon (w) BG Nelson Taylor	1st Brigade Col Adrian R. Root	16th Maine: Ltc Charles W. Tilden 94th New York: Maj John A. Kress 104th New York: Maj Gilbert G. Prey 105th New York: Maj Daniel A. Sharp (w), Cpt Abraham Moore 107th Pennsylvania: Col Thomas F. McCoy
	2nd Brigade Col Peter Lyle	12th Massachusetts: Col James L. Bates 26th New York: Ltc Gilbert S. Jennings (w), Maj Ezra F. Wetmore 90th Pennsylvania: Ltc William A. Leech 136th Pennsylvania: Col Thomas McKee Bayne
	3rd Brigade BG Nelson Taylor Col Samuel H. Leonard	13th Massachusetts: Col Samuel H. Leonard, Ltc N. Walter Batchelder 83rd New York: Cpt John Hendrickson (w), Cpt Joseph A. Moesch (w), Lt Isaac E. Hoagland, Lt Henry P. Claire 97th New York: Col Charles Wheelock 11th Pennsylvania: Col Richard Coulter (w), Cpt Christian Kuhn 88th Pennsylvania: Maj David A. Griffith
	Artillery Cpt George F. Leppien	2nd Battery, Maine Light: Cpt James A. Hall 5th Battery, Maine Light: Cpt George F. Leppien Battery C, Pennsylvania Light: Cpt James Thompson Battery F, 1st Pennsylvania Light: Lt R. Bruce Ricketts
Third Division MG George Meade	1st Brigade Col William Sinclair (w) Col William McCandless	1st Pennsylvania Reserves: Cpt William C. Talley 2nd Pennsylvania Reserves: Col William McCandless, Cpt Timothy Mealey 6th Pennsylvania Reserves: Maj Wellington H. Ent 13th Pennsylvania Reserves (1st Rifles): Cpt Charles F. Taylor (w), Cpt Edward Irvin (w) 121st Pennsylvania: Col Chapman Biddle
	2nd Brigade Col Albert L. Magilton	3rd Pennsylvania Reserves: Col Horatio G. Sickel 4th Pennsylvania Reserves: Ltc Richard H. Woolworth 7th Pennsylvania Reserves: Col Henry C. Bolinger (w) 8th Pennsylvania Reserves: Maj Silas M. Baily 142nd Pennsylvania: Col Robert P. Cummins
	3rd Brigade BG Conrad Feger Jackson (k) Col Joseph W. Fisher Ltc Robert Anderson	5th Pennsylvania Reserves: Col Joseph W. Fisher, Ltc George Dare (w), Maj Frank Zentemeyer (mw) 9th Pennsylvania Reserves: Ltc Robert Anderson, Maj James M. Snodgrass 10th Pennsylvania Reserves: Maj James B. Knox 11th Pennsylvania Reserves: Ltc Samuel M. Jackson 12th Pennsylvania Reserves: Cpt Richard Gustin
	Artillery	Battery A, 1st Pennsylvania Light: Lt John G. Simpson Battery B, 1st Pennsylvania Light: Cpt James H. Cooper Battery G, 1st Pennsylvania Light: Cpt Frank P. Amsden Battery C, 5th United States: Cpt Dunbar R. Ransom

VI Corps

MG William F. Smith

Escort

10th New York Cavalry, Company L: Lt George Vanderbilt
6th Pennsylvania Cavalry, Company I: Cpt James Starr
6th Pennsylvania Cavalry, Company K: Cpt Frederick C. Newhall

Division	Brigade	Regiments and Others
First Division BG William T. H. Brooks	1st Brigade Col Alfred Thomas Torbert	1st New Jersey: Ltc Mark W. Collet 2nd New Jersey: Col Samuel L. Buck 3rd New Jersey: Col Henry W. Brown 4th New Jersey: Col William B. Hatch (w), Ltc James N. Duffy 15th New Jersey: Ltc Edward L. Campbell 23rd New Jersey: Col Henry O. Ryerson
	2nd Brigade Col Henry L. Cake	5th Maine: Col Edward A. Scammon 16th New York: Col Joel J. Seaver 27th New York: Col Alexander D. Adams 121st New York: Col Emory Upton 96th Pennsylvania: Ltc Peter A. Filbert
	3rd Brigade BG David Allen Russell	18th New York: Col George R. Myers 31st New York: Ltc Leopold C. Newman 32nd New York: Col Francis E. Pinto 95th Pennsylvania: Ltc Elisha Hall
	Artillery[15]	Battery A, Maryland Light: Cpt John W. Wolcott 1st Battery (A), Massachusetts Light: Cpt William H. McCarthey Battery A, 1st New Jersey Light: Cpt William Hexamer Battery D, 2nd United States: Lt Edward B. Williston
Second Division BG Albion P. Howe	1st Brigade BG Calvin E. Pratt	6th Maine: Col Hiram Burnham 43rd New York: Col Benjamin F. Baker 49th Pennsylvania: Col William H. Irwin 119th Pennsylvania: Col Peter C. Ellmaker 5th Wisconsin: Col Amasa Cobb
	2nd Brigade Col Henry Whiting	26th New Jersey: Col Andrew J. Morrison 2nd Vermont: Ltc Charles H. Joyce 3rd Vermont: Col Breed N. Hyde 4th Vermont: Col Charles B. Stoughton 5th Vermont: Col Lewis A. Grant 6th Vermont: Col Nathan Lord, Jr.
	3rd Brigade BG Francis L. Vinton (w) Col Robert F. Taylor BG Thomas H. Neill	21st New Jersey: Col Gilliam Van Houten 20th New York: Col Ernst von Vegesack 33rd New York: Col Robert F. Taylor 49th New York: Col Daniel D. Bidwell 77th New York: Ltc Winsor B. French
	Artillery	Battery B, Maryland Light: Cpt Alonzo Snow 1st Battery, New York Light: Cpt Andrew Cowan 3rd Battery, New York Light: Lt William A. Harn Battery F, 5th United States: Lt Leonard Martin
Third Division BG John Newton	1st Brigade BG John Cochrane	65th New York: Col Alexander Shaler 67th New York: Col Nelson Cross 122nd New York: Col Silas Titus 23rd Pennsylvania: Maj John F. Glenn 61st Pennsylvania: Col George C. Spear 82nd Pennsylvania: Col David H. Williams
	2nd Brigade BG Charles Devens	7th Massachusetts: Ltc Franklin P. Harlow 10th Massachusetts: Col Henry L. Eustis 37th Massachusetts: Col Oliver Edwards 36th New York: Col William H. Browne 2nd Rhode Island: Col Frank Wheaton, Ltc Nelson Viall
	3rd Brigade Col Thomas A. Rowley BG Frank Wheaton	62nd New York: Maj Wilson Hubbell 93rd Pennsylvania: Maj John M. Mark 98th Pennsylvania: Ltc Adolph Mehler 102nd Pennsylvania: Ltc Joseph M. Kinkead 139th Pennsylvania: Ltc James D. Owens
	Artillery	Battery C, 1st Pennsylvania Light: Cpt Jeremiah McCarthy Battery D, 1st Pennsylvania Light: Cpt Michael Hall Battery G, 2nd United States: Lt John H. Butler
Cavalry Brigade BG George D. Bayard (k) Col David McM. Gregg		District of Columbia Cavalry, Independent Company: Lt William H. Orton [Orten?] 1st Maine Cavalry: Ltc Calvin S. Douty 1st New Jersey Cavalry: Ltc Joseph Kargé 2nd New York Cavalry: Maj Henry E. Davies 10th New York Cavalry: Ltc William Irvine 1st Pennsylvania Cavalry: Col Owen Jones
Artillery		Battery C, 3rd United States: Cpt Horatio G. Gibson

Reserve Grand Division

Further information:[16]

National Park Service: Fredericksburg & Spotsylvania National Military Park (Fredricksburg Union order of battle: Reserve Grand Division).
Official Records, Series I, Volume XXI, Part 1, pages 935-938.

XI Corps

BG Julius Stahel[17]

Division	Brigade	Regiments and Others
First Division[18] BG Nathaniel C. McLean	1st Brigade Col Leopold Von Gilsa	8th New York: Col Felix Salm-Salm 41st New York: Ltc Ernst Von Holmstedt 45th New York: Ltc George von Amsberg 54th New York: Cpt Charles Wahle 153rd Pennsylvania: Col Charles Glanz
	2nd Brigade[19] BG Nathaniel C. McLean	17th Connecticut: Col William H. Noble 25th Ohio: Col William P. Richardson 55th Ohio: Col John C. Lee 75th Ohio: Ltc Robert A. Constable 107th Ohio: Col Seraphim Meyer
	Cavalry Brigade Col Luigi Palma Di Cesnola	Connecticut Cavalry, 1st Battalion: Cpt Charles Farnsworth 4th New York Cavalry: Maj Alfred W. Taylor, 9th New York Cavalry: Maj Edgar A. Kimball 6th Ohio Cavalry: Cpt J. H. Cryer
	Artillery Cpt William L. De Beck	2nd New York Battery: Cpt Louis Schirmer 13th New York Battery: Cpt Julius Dieckmann 1st Ohio, Company K: Cpt William L. De Beck
Second Division[20] BG Adolph Von Steinwehr[21]	1st Brigade Col Adolphus Buschbeck	29th New York: Maj U. Gullman 154th New York: Col Patrick H. Jones 27th Pennsylvania: Ltc Lorenz Cantador 73rd Pennsylvania: Col Gustavus A. Muhleck
	2nd Brigade Col Orland Smith	33rd Massachusetts: Col Albert C. Maggi 134th New York: Col Charles R. Coster 136th New York: Ltc L. B. Faulkner 73rd Ohio: Ltc Richard Long
	Artillery	1st New York, Battery I: Cpt M. Wiedrich 12th Ohio Battery: Cpt Aaron C. Johnson
Third Division[22] BG Carl Schurz	1st Brigade Col Alexander Schimmelfennig	82nd Illinois: Col Friedrich Hecker 68th New York: Maj C. Von Wedell 157th New York: Col Philip P. Brown, Jr. 61st Ohio: Col Stephen J. McGroarty 74th Pennsylvania: Maj A. Von Hartung 1st Ohio Light Artillery, Battery I: Cpt Hubert Dilger
Third Division[22] BG Carl Schurz	2nd Brigade[23] Col Włodzimierz Krzyżanowski	58th New York: Ltc Frederick Gellman 119th New York: Col Elias Peissner 75th Pennsylvania: Col Francis Mahler 26th Wisconsin: Col William H. Jacobs 1st West Virginia Artillery, Battery C: Cpt Wallace Hill
Unattached		1st Indiana Cavalry (two companies): Cpt Theodore Majtheny 82nd Ohio: Ltc David Thompson 17th Pennsylvania Cavalry: Col Josiah H. Kellogg 3rd West Virginia Cavalry (2 companies): Cpt S. B. Conger

XII Corps

MG Henry Warner Slocum

Escort

12th Illinois Cavalry, Company A: Cpt P. E. Fisher

Division	Brigade	Regiments and Others
First Division BG Alpheus S. Williams	1st Brigade Col Joseph F. Knipe	5th Connecticut: Col George D. Chapman 10th Maine: Col George Lafayette Beal 28th New York: Ltc E. W. Cook 46th Pennsylvania: Ltc James L. Selfridge 128th Pennsylvania: Col Joseph A. Mathews
	2nd Brigade BG Thomas L. Kane	20th Connecticut: Col Samuel Ross 123rd New York: Col Archibald L. McDougall 124th Pennsylvania: Col Joseph W. Hawley 125th Pennsylvania: Col Jacob C. Higgins
	3rd Brigade BG John K. Murphy	27th Indiana: Col Silas Colgrove 2nd Massachusetts: Maj Charles R. Mudge 13th New Jersey: Col Ezra A. Carman 107th New York: Col Alexander S. Diven 29th Pennsylvania: Maj Michael Scott 3rd Wisconsin: Ltc William Hawley
	Artillery[24] Cpt Robert H. Fitzugh	1st New York, Battery K: Ltc E. L. Bailey 1st New York, Battery M: Ltc C. E. Winegar 4th United States, Battery F: Ltc E. D. Muhlenberg
	Cavalry	1st Maine Cavalry, Company H: Cpt George S. Summat 1st Michigan Cavalry, Company L: Cpt Melvin Brewer
Second Division BG John W. Geary	1st Brigade BG Charles Candy	5th Ohio: Col John H. Patrick 7th Ohio: Col William R. Creigton 29th Ohio: Col Lewis P. Buckley 66th Ohio: Ltc Eugene Powell 28th Pennsylvania: Cpt Joseph B. Copeland 147th Pennsylvania: Ltc Ario Pardee, Jr. 12th Illinois Cavalry: Col Hasbrouck Davis 1st Maryland Cavalry (3 companies): Cpt J. H. Cook
	2nd Brigade Col Joseph M. Sudsburg	3rd Maryland: Ltc Gilbert P. Robinson 60th New York: Ltc John C. O. Redington 145th New York: Maj Roswell L. Van Wagenen
	3rd Brigade BG George S. Greene	78th New York: Maj H. C. Blanchard 102nd New York: Ltc James C. Lane 137th New York: Col David Ireland 149th New York: Maj Abel G. Cook 109th Pennsylvania: Col Henry J. Stainrook 111th Pennsylvania: Ltc George A. Cobham, Jr.
	Artillery Maj L. Kieffer	6th Maine Battery: Lt Edwin B. Dow Pennsylvania Battery E: Cpt J. M. Knap Pennsylvania Battery F: Cpt R. B. Hampton
	Cavalry	1st Maine Cavalry, Company M: Cpt G. M. Brown

Notes

Official Records, Series I, Volume XXI, Part 1, pages 48-61
Multiple commander names indicate command succession of command during the battle or the campaign.
Temporarily attached to Second Brigade.
Disabled.
Transferred from Second Brigade, December 13.
Chief of the corps artillery.
Captain John Edwards,jr.,chief of the corps artillery.
Succeeded BG Bayard in command of the Cavalry Brigade, Left Grand Division.
Captain La Rhett L. Livingston, chief of the corps artillery.
Disabled December 13.
Captain Stephen H. Weed,chief of the corps artillery.
Chief of artillery, Second Division.
Chief of artillery, Third Division.
Colonel Charles S. Wainwright, chief of the corps artillery.
Captain Romeyn B. Ayres, chief of the corps artillery.
Reserve Grand Division not engaged.
XI Corps: Headquarters Stafford Court-House, Va.
Headquarters Stafford Court-House, Va.
December 10-16, marched from Chantilly to Falmouth; December 17, marched to Stafford Court-House.
Headquarters at Falmouth, Va., December 10-14, marched from Germantown to Stafford Court-House.
One copy of the monthly return reports Col A. Buschbeck as commanding.
Headquarters at Stafford Court-House.
December 10-14, marched from Centreville to Stafford Court-House.
Cpt Clermont L. Best, chief of corps artillery.

References

U.S. War Department, The War of the Rebellion: a Compilation of the Official Records of the Union and Confederate Armies, U.S. Government Printing Office, 1880–1901.
U.S. War Department, The War of the Rebellion: a Compilation of the Official Records of the Union and Confederate Armies, U.S. Government Printing Office, 1880–1901: Return of casualties in the Union forces commanded by Major General Ambrose E. Burnside, U. S. Army, at the battle of Fredericksburg, Va., December 11-15, 1862.
National Park Service: Fredericksburg & Spotsylvania National Military Park (Fredricksburg Union order of battle).
Civil War Home: Fredericksburg Union order of battle

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[1] Official Records, Series I, Volume XXI, Part 1, pages 48-61

[2] Multiple commander names indicate command succession of command during the battle or the campaign.

[3] Temporarily attached to Second Brigade.

[4] Disabled.

[5] Transferred from Second Brigade, December 13.

[6] Chief of the corps artillery.

[7] Captain John Edwards,jr.,chief of the corps artillery.

[8] Succeeded BG Bayard in command of the Cavalry Brigade, Left Grand Division.

[9] Captain La Rhett L. Livingston, chief of the corps artillery.

[10] Disabled December 13.

[11] Captain Stephen H. Weed,chief of the corps artillery.

[12] Chief of artillery, Second Division.

[13] Chief of artillery, Third Division.

[14] Colonel Charles S. Wainwright, chief of the corps artillery.

[15] Captain Romeyn B. Ayres, chief of the corps artillery.

[16] Reserve Grand Division not engaged.

[17] XI Corps: Headquarters Stafford Court-House, Va.

[18] Headquarters Stafford Court-House, Va.

[19] December 10-16, marched from Chantilly to Falmouth; December 17, marched to Stafford Court-House.

[20] Headquarters at Falmouth, Va., December 10-14, marched from Germantown to Stafford Court-House.

[21] One copy of the monthly return reports Col A. Buschbeck as commanding.

[22] Headquarters at Stafford Court-House.

[23] December 10-14, marched from Centreville to Stafford Court-House.

[24] Cpt Clermont L. Best, chief of corps artillery.