Battle of Fredericksburg order of battle: Union
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. The Confederate order of battle is listed separately.
Abbreviations used
Military ranks
MG = Major GeneralBG = Brigadier GeneralCol = ColonelLtc = Lieutenant ColonelMaj = MajorCpt = CaptainLt = 1st LieutenantOther
w = woundedmw = mortally woundedk = killedArmy 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 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
- Sturgis 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 : Cpt Royal T. Frank
- 15th New York Engineer Regiment: Col John M. Murphy
- 50th New York Engineer Regiment: Ltc William H. Pettes
- Battalion U.S. Engineers: Cpt James C. Duane
- 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
- [4th U.S. Artillery, Battery G|Battery 1st U.S. Artillery, Battery G|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
- Battery B, 1st Connecticut Heavy: Cpt Albert F. Brooker
- Battery M, 1st Connecticut Heavy: Cpt Franklin A. Pratt
Right Grand Division
MG Edwin Vose SumnerII Corps
MG Darius N. Couch| Division | Brigade | Regiments and Others |
First Division MG Winfield Scott Hancock | 1st Brigade BG John C. Caldwell Col George W. Von Schack |
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| First Division MG Winfield Scott Hancock | 2nd Brigade BG Thomas F. Meagher |
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| First Division MG Winfield Scott Hancock | 3rd Brigade Col Samuel K. Zook |
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| First Division MG Winfield Scott Hancock | Artillery |
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| Second Division MG Oliver O. Howard | 1st Brigade BG Alfred Sully |
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| Second Division MG Oliver O. Howard | 2nd Brigade Col Joshua T. Owen |
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| Second Division MG Oliver O. Howard | 3rd Brigade Col Norman J. Hall Col William R. Lee |
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| Second Division MG Oliver O. Howard | Artillery |
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| Third Division MG William H. French | 1st Brigade BG Nathan Kimball Col John S. Mason |
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| Third Division MG William H. French | 2nd Brigade Col Oliver H. Palmer |
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| Third Division MG William H. French | 3rd Brigade Col John W. Andrews Ltc William Jameson Ltc John W. Marshall |
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| Third Division MG William H. French | Artillery |
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| Corps Artillery Reserve Cpt Charles H. Morgan |
IX Corps
BG Orlando B. WillcoxEscort
- 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 |
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| First Division BG William W. Burns | 2nd Brigade Col Benjamin C. Christ |
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| First Division BG William W. Burns | 3rd Brigade Col Daniel Leasure |
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| First Division BG William W. Burns | Artillery |
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| Second Division BG Samuel D. Sturgis | 1st Brigade BG James Nagle |
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| Second Division BG Samuel D. Sturgis | 2nd Brigade BG Edward Ferrero |
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| Second Division BG Samuel D. Sturgis | Artillery |
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| Third Division BG George W. Getty | 1st Brigade Col Rush C. Hawkins |
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| Third Division BG George W. Getty | 2nd Brigade Col Edward Harland |
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| Third Division BG George W. Getty | Artillery |
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Cavalry Division
BG Alfred Pleasonton| Brigade | Regiments |
| 1st Brigade BG John F. Farnsworth | |
| 2nd Brigade Col David M. Gregg Col Thomas Devin |
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| Horse Artillery |
Center Grand Division
MG Joseph HookerIII Corps
BG George Stoneman| Division | Brigade | Regiments and Others |
First Division BG David B. Birney | 1st Brigade BG John C. Robinson |
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| First Division BG David B. Birney | 2nd Brigade BG J. H. Hobart Ward |
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| First Division BG David B. Birney | 3rd Brigade BG Hiram G. Berry |
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| First Division BG David B. Birney | Artillery Cpt George E. Randolph |
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| Second Division BG Daniel Sickles | 1st Brigade BG Joseph B. Carr |
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| Second Division BG Daniel Sickles | 2nd Brigade Col George B. Hall |
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| Second Division BG Daniel Sickles | 3rd Brigade BG Joseph W. Revere |
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| Second Division BG Daniel Sickles | Artillery Cpt James E. Smith |
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| Third Division BG Amiel W. Whipple | 1st Brigade BG Abram S. Piatt Col Emlen Franklin |
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| Third Division BG Amiel W. Whipple | 2nd Brigade Col Samuel S. Carroll |
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| Third Division BG Amiel W. Whipple | Artillery |
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V Corps
MG Daniel Butterfield| Division | Brigade | Regiments and Others |
First Division BG Charles Griffin | 1st Brigade Col James Barnes |
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| First Division BG Charles Griffin | 2nd Brigade Col Jacob B. Sweitzer |
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| First Division BG Charles Griffin | 3rd Brigade Col T.B.W. Stockton |
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| First Division BG Charles Griffin | Artillery |
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| First Division BG Charles Griffin | Sharpshooters |
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| Second Division MG George Sykes | 1st Brigade Ltc Robert C. Buchanan |
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| Second Division MG George Sykes | 2nd Brigade Maj George L. Andrews Maj Charles S. Lovell |
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| Second Division MG George Sykes | 3rd Brigade BG Gouverneur K. Warren | |
| Second Division MG George Sykes | Artillery |
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| Third Division BG Andrew A. Humphreys | 1st Brigade BG Erastus B. Tyler |
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| Third Division BG Andrew A. Humphreys | 2nd Brigade Col Peter H. Allabach |
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| Third Division BG Andrew A. Humphreys | Artillery |
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| Cavalry Brigade BG William W. Averell |
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| Artillery |
Left Grand Division
MG William B. FranklinEscort
I Corps
MG John F. ReynoldsEscort
- 1st Maine Cavalry, Company L: Cpt Constantine Taylor
| Division | Brigade | Regiments and Others |
First Division BG Abner Doubleday | 1st Brigade Col Walter Phelps, Jr. |
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| First Division BG Abner Doubleday | 2nd Brigade Col James Gavin |
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| First Division BG Abner Doubleday | 3rd Brigade Col William F. Rogers |
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| First Division BG Abner Doubleday | 4th Brigade BG Solomon Meredith Col Lysander Cutler |
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| First Division BG Abner Doubleday | Artillery Cpt George A. Gerrish Cpt John A. Reynolds |
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| Second Division BG John Gibbon BG Nelson Taylor | 1st Brigade Col Adrian R. Root |
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| Second Division BG John Gibbon BG Nelson Taylor | 2nd Brigade Col Peter Lyle |
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| Second Division BG John Gibbon BG Nelson Taylor | 3rd Brigade BG Nelson Taylor Col Samuel H. Leonard |
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| Second Division BG John Gibbon BG Nelson Taylor | Artillery Cpt George F. Leppien |
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| Third Division MG George Meade | 1st Brigade Col William Sinclair Col William McCandless |
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| Third Division MG George Meade | 2nd Brigade Col Albert L. Magilton |
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| Third Division MG George Meade | 3rd Brigade BG Conrad Feger Jackson Col Joseph W. Fisher Ltc Robert Anderson |
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| Third Division MG George Meade | Artillery |
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VI Corps
MG William F. SmithEscort
- 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 |
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| First Division BG William T. H. Brooks | 2nd Brigade Col Henry L. Cake |
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| First Division BG William T. H. Brooks | 3rd Brigade BG David Allen Russell |
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| First Division BG William T. H. Brooks | Artillery |
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| Second Division BG Albion P. Howe | 1st Brigade BG Calvin E. Pratt |
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| Second Division BG Albion P. Howe | 2nd Brigade Col Henry Whiting |
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| Second Division BG Albion P. Howe | 3rd Brigade BG Francis L. Vinton Col Robert F. Taylor BG Thomas H. Neill |
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| Second Division BG Albion P. Howe | Artillery |
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| Third Division BG John Newton | 1st Brigade BG John Cochrane |
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| Third Division BG John Newton | 2nd Brigade BG Charles Devens |
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| Third Division BG John Newton | 3rd Brigade Col Thomas A. Rowley BG Frank Wheaton |
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| Third Division BG John Newton | Artillery |
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| Cavalry Brigade BG George D. Bayard Col David McM. Gregg |
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| Artillery |
Reserve Grand Division
Further information:- Official Records, Series I, Volume XXI, Part 1,
XI Corps
BG Julius Stahel| Division | Brigade | Regiments and Others |
First Division BG Nathaniel C. McLean | 1st Brigade Col Leopold Von Gilsa |
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| First Division BG Nathaniel C. McLean | 2nd Brigade BG Nathaniel C. McLean |
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| First Division BG Nathaniel C. McLean | Cavalry Brigade Col Luigi Palma Di Cesnola |
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| First Division BG Nathaniel C. McLean | Artillery Cpt William L. De Beck |
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| Second Division BG Adolph Von Steinwehr | 1st Brigade Col Adolphus Buschbeck |
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| Second Division BG Adolph Von Steinwehr | 2nd Brigade Col Orland Smith |
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| Second Division BG Adolph Von Steinwehr | Artillery |
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| Third Division BG Carl Schurz | 1st Brigade Col Alexander Schimmelfennig |
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| Third Division BG Carl Schurz | 2nd Brigade Col Włodzimierz Krzyżanowski |
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| Unattached |
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XII Corps
MG Henry Warner SlocumEscort
- 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 |
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| First Division BG Alpheus S. Williams | 2nd Brigade BG Thomas L. Kane |
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| First Division BG Alpheus S. Williams | 3rd Brigade BG John K. Murphy |
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| First Division BG Alpheus S. Williams | Artillery Cpt Robert H. Fitzugh |
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| First Division BG Alpheus S. Williams | Cavalry |
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| Second Division BG John W. Geary | 1st Brigade BG Charles Candy |
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| Second Division BG John W. Geary | 2nd Brigade Col Joseph M. Sudsburg |
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| Second Division BG John W. Geary | 3rd Brigade BG George S. Greene |
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| Second Division BG John W. Geary | Artillery Maj L. Kieffer |
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| Second Division BG John W. Geary | Cavalry |
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