Second Bull Run Union order of battle

The following Union Army units and commanders fought in the Second Battle of Bull Run, also known as the Second Battle of Manassas, of the American Civil War. The Confederate order of battle is listed separately. Order of battle compiled from the army organization[1] during the battle,[2] the casualty returns[3] and the reports.[4]

Abbreviations used

Military rank

Other

Union forces

Army of Virginia

MG John Pope[5]

Chief of Staff: Col George D. Ruggles
Chief of Artillery: Cpt Alexander Piper
Chief of Cavalry: BG Washington L. Elliott (w)

Headquarters Escort:

I Corps

MG Franz Sigel (w)

Chief of Artillery: Cpt Ulric Dahlgren

Headquarters Escort:

  • 1st Indiana Cavalry, Companies I and K
Division Brigade Regiments and Others

First Division
     BG Robert C. Schenck (w)
     BG Julius Stahel

1st Brigade


   BG Julius Stahel
   Col Adolphus Buschbeck

2nd Brigade


   Col Nathaniel C. McLean

Second Division
     BG Adolph von Steinwehr

1st Brigade[6]


   Col John A. Koltes (k)
   Ltc Gustavus A. Muhleck

  • 29th New York: Col Clemens Soest (w), Maj Louis Hartman
  • 68th New York: Ltc John H. Kleefisch (mw)
  • 73rd Pennsylvania: Ltc Gustavus A. Muhleck, Cpt Augustus Brueckner (k), Cpt Charles C. Cresson (w), Cpt Lewis Talter (w)

Third Division
     BG Carl Schurz

1st Brigade


   Col Alexander Schimmelfennig

2nd Brigade


   Col Wlodzimierz Krzyzanowski

Unattached

Reporting directly

Independent Brigade


   BG Robert H. Milroy

Cavalry Brigade


   Col John Beardsley[7]

Reserve Artillery[8]


   Cpt Louis Schirmer

  • 1st New York Light, Battery I: Cpt Michael Wiedrich
  • New York Light, 13th Battery: Cpt Julius Dieckmann
  • West Virginia Light, Battery C: Lt Wallace Hill

II Corps

Brigade Regiments and Others
Cavalry Brigade[9]


   BG John Buford[10] (w)

Artillery[9]

III Corps

MG Irvin McDowell

Chief of Staff: Col Edmund Schriver
Chief of Artillery: Maj Davis Tillson

Headquarters Troops:

  • Maine Light Artillery, 3rd Battery (Pontonniers): Cpt James G. Swett
  • 13th Pennsylvania Reserves (1st Rifles), Companies C, G, H and I: Ltc Thomas L. Kane
Division Brigade Regiments and Others

First Division
     BG Rufus King[12]
     BG John P. Hatch (w)
     BG Abner Doubleday

1st Brigade


   BG John P. Hatch
   Col Timothy Sullivan

2nd Brigade


   BG Abner Doubleday
   Col William P. Wainwright

3rd Brigade


   BG Marsena R. Patrick

4th Brigade


   BG John Gibbon

Artillery

Second Division
     BG James B. Ricketts

1st Brigade


   BG Abram Duryée

2nd Brigade


   BG Zealous B. Tower (w)
   Col William H. Christian

3rd Brigade


   Col John W. Stiles

4th Brigade


   Col Joseph Thoburn (w)

Artillery

Pennsylvania Reserves[14]
     BG John F. Reynolds

1st Brigade


   BG George G. Meade

2nd Brigade


   BG Truman Seymour

3rd Brigade


   BG Conrad F. Jackson[15]
   Col Martin Davis Hardin (w)
   Col James T. Kirk (w)
   Ltc Robert Anderson

Artillery


   Cpt Dunbar R. Ransom

Reporting directly

Cavalry Brigade


   BG George D. Bayard

Unattached

Reserve Corps

BG Samuel D. Sturgis

Brigade Regiments and Others
Piatt's Brigade[16]


   BG Abram S. Piatt

Army of the Potomac

The following Corps from the Army of the Potomac were attached to the Army of Virginia.

III Corps

MG Samuel P. Heintzelman

Division Brigade Regiments and Others

First Division
     MG Philip Kearny

1st Brigade


   BG John C. Robinson

2nd Brigade


   BG David B. Birney

3rd Brigade


   Col Orlando Poe

Artillery

Second Division
     MG Joseph Hooker

1st Brigade


   BG Cuvier Grover

2nd Brigade


   Col Nelson Taylor

3rd Brigade


   Col Joseph B. Carr

V Corps

MG Fitz John Porter

Chief of Staff: Ltc Frederick T. Locke

Division Brigade Regiments and Others

First Division
     BG Daniel Butterfield[20]

1st Brigade[21]


   Col Charles W. Roberts

3rd Brigade


   Col Henry S. Lansing[22]
   Col Henry A. Weeks (w)
   Col James C. Rice

  • 16th Michigan:[23] Cpt Thomas J. Barry (w), Cpt Henry H. Sibley
  • 12th New York: Col Henry A. Weeks, Cpt Adrian I. Root (w), Cpt William Huson
  • 17th New York: Col Henry S. Lansing, Maj William T. C. Grower (w), Cpt John Vickers
  • 44th New York: Col James C. Rice, Maj Freeman Conner
  • 83rd Pennsylvania: Ltc Hugh S. Campbell (w), Maj William R. Lamont (w), Cpt John Graham (w), Cpt Orpheus S. Woodward
Sharpshooters
Artillery[24]

Second Division
     BG George Sykes

1st Brigade


   Ltc Robert C. Buchanan

2nd Brigade


   Ltc William Chapman

3rd Brigade


   Col Gouverneur K. Warren

Artillery


   Cpt Stephen H. Weed

IX Corps

MG Jesse L. Reno

Division Brigade Regiments and Others

First Division
     BG Isaac I. Stevens

1st Brigade


   Col Benjamin C. Christ

2nd Brigade


   Col Daniel Leasure (w)
   Ltc David A. Leckey

3rd Brigade


   Col Addison Farnsworth

Artillery

Second Division
     MG Jesse L. Reno[27]

1st Brigade


   Col James Nagle

2nd Brigade


   Col Edward Ferrero

Artillery

Notes

  1. Multiple commander names indicate command succession of command during the battle or the campaign.
  2. Battles and Leaders of the Civil War, Volume 2, pages 497-499; Official Records, Series I, Volume XII, Part 3, pages 581-588; Manassas National Battlefield Park - Battle of Second Manassas, Union Order of Battle
  3. Official Records, Series I, Volume XII, Part 2, pages 249-262
  4. Official Records, Series I, Volume XII, Part 2, pages 829-830, 872-874; Official Records, Series I, Volume LI, Part 1, pages 1326, 1404
  5. Also commanded the detachments from the Army of the Potomac (see: Pope's report)
  6. Temporarily attached to Third Division August 30, 1862
  7. Beardsley's brigade was unusable on August 29-30 due to the poor condition of its horses.
  8. Captain Frank Buell was killed on August 22, 1862 (see: Official Records, Series I, Volume XII, Part 2, page 820)
  9. No troops from the Second Corps, Army of Virginia, excepting its cavalry and the 6th Maine Battery, were engaged in any of the principle battles. During the battle the Corps was located at Bristoe Station (see: John J. Hennessy, Return to Bull Run, The Campaign and Battle of Second Manassas, page 411).
  10. For Buford's wound see: John J. Hennessy, Return to Bull Run, The Campaign and Battle of Second Manassas, page 434
  11. Temporarily attached to the Third Corps, Army of the Potomac, August 28–30, 1862 (see: Itinerary of the 6th Maine Battery)
  12. Sick after August 28, 1862
  13. Commanded the 2nd and 7th Wisconsin on August 30, 1862 (see: Gibbon's report)
  14. Temporarily attached to the Third Corps, Army of Virginia
  15. Turned over command to Colonel Hardin on account of sickness on August 29, 1862 (see: John J. Hennessy, Return to Bull Run, The Campaign and Battle of Second Manassas, page 375; Reynolds' report)
  16. Temporarily attached to the Fifth Corps, Army of the Potomac August 27–31, 1862
  17. Commanded 1st New York on August 29, 1862, returned to the 3rd Maine on August 30, 1862 (see: Lakeman's and Burt's report)
  18. Injured August 29, 1862 and turned the command over to Captain Johnson (see: Hoffman's report)
  19. Rejoined the regiment on August 30, 1862 and assumed command as the senior officer present (see: Hoffman's report)
  20. Commanded the First and Third Brigades in battle August 30, 1862. The division commander Major General Morell and the Second Brigade (9th Massachusetts, 32nd Massachusetts, 4th Michigan, 14th New York and 62nd Pennsylvania) under Brigadier General Griffin were at Centreville, Virginia. (see: John J. Hennessy, Return to Bull Run, The Campaign and Battle of Second Manassas, page 318; Lansing's report)
  21. 22nd Massachusetts detached at Centreville, Virginia (see: Roberts' report)
  22. Turned over command to Colonel Weeks on account of sickness on August 30, 1862 (see: Lansing's report)
  23. Brady's Company Michigan Sharpshooters attached
  24. 3rd Massachusetts Battery detached at Centreville, Virginia (see: Martin's report)
  25. Only Company G, 1st United States under Captain Matthew R. Marston was present and attached to the 6th United States (see: Bootes' report)
  26. The 2nd and 10th United States were consolidated under the command of Major Lovell (see: Chapman's and Lovell's report)
  27. Also in command of all the troops of the Ninth Corps with Pope's army.

References

  • Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War, Volume 2 (Pdf), New York: The Century Co., 1887.
  • Hennessy, John J., Return to Bull Run: The Campaign and Battle of Second Manassas. University of Oklahoma Press, Norman, 1993. ISBN 978-0-8061-3187-0
  • Manassas National Battlefield Park - Battle of Second Manassas
  • The Armies at the Second Battle of Bull Run
  • 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, 18801901.
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