Second Bull Run Union order of battle

The following Union Army units and commanders fought in the Second Battle of Bull Run 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]

Headquarters Escort:

I Corps

MG Franz Sigel

Headquarters Escort:

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
  • 73rd Pennsylvania: Ltc Gustavus A. Muhleck

Third Division
     BG Carl Schurz

1st Brigade


   Col Alexander Schimmelfennig

2nd Brigade


   Col Wlodzimierz Krzyzanowski

  • 54th New York: Ltc Charles Ashby
  • 58th New York: Maj William Henkel (w), Cpt Frederick Braun
  • 75th Pennsylvania: Ltc Francis Mahler
  • 2nd New York Light Artillery, Battery L: Cpt Jacob Roemer
Unattached

Reporting directly

Independent Brigade


   BG Robert H. Milroy

Cavalry Brigade


   Col John Beardsley

Reserve Artillery[7]


   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[8]


   BG John Buford[9] (w)

Artillery[8]

III Corps

MG Irvin McDowell

Headquarters Troops:

Division Brigade Regiments and Others

First Division
     BG Rufus King[11]
     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[13]
     BG John F. Reynolds

1st Brigade


   BG George G. Meade

2nd Brigade


   BG Truman Seymour

  • 1st Pennsylvania Reserves: Col R. Biddle Roberts
  • 2nd Pennsylvania Reserves: Col William McCandless (w)
  • 5th Pennsylvania Reserves: Ltc George Dare
  • 6th Pennsylvania Reserves: Col William Sinclair
3rd Brigade


   BG Conrad F. Jackson[14]
   Col Martin D. Hardin (w)
   Col James T. Kirk (w)
   Ltc Robert Anderson

  • 9th Pennsylvania Reserves: Ltc Robert Anderson, Maj James McK. Snodgrass
  • 10th Pennsylvania Reserves: Col James T. Kirk
  • 11th Pennsylvania Reserves: Ltc Samuel M. Jackson
  • 12th Pennsylvania Reserves: Col Martin D. Hardin
Artillery


   Cpt Dunbar R. Ransom

Reporting directly

Cavalry Brigade


   BG George D. Bayard

Unattached
  • 3rd Indiana Cavalry (detachment)
  • Indiana Light Artillery, 16th Battery: Cpt Charles A. Naylor
  • 4th United States Artillery, Battery E: Cpt Joseph C. Clark, Jr.

Reserve Corps

BG Samuel D. Sturgis

Brigade Regiments and Others
Piatt's Brigade[15]


   BG Abram S. Piatt

  • 63rd Indiana (Companies A, B, C and D): Ltc John S. Williams
  • 86th New York: Col Benajah P. Bailey

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

Division Brigade Regiments and Others

First Division
     BG Daniel Butterfield[19]

1st Brigade[20]


   Col Charles W. Roberts

3rd Brigade


   Col Henry S. Lansing[21]
   Col Henry A. Weeks (w)
   Col James C. Rice

  • 16th Michigan:[22] 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 A. 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[23]

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

  • 8th Michigan: Ltc Frank Graves
  • 50th Pennsylvania: Ltc Thomas S. Brenholtz (w), Maj Edward Overton, Jr.
2nd Brigade


   Col Daniel Leasure (w)
   Ltc David A. Leckey

  • 46th New York (5 companies): Col Rudolph Rosa (w), Maj Julius Parcus
  • 100th Pennsylvania: Ltc David A. Leckey, Cpt James E. Cornelius
3rd Brigade


   Col Addison Farnsworth

Artillery
  • Massachusetts Light, 8th Battery: Cpt Asa M. Cook
  • 2nd United States, Battery E: Lt Samuel N. Benjamin

Second Division
     MG Jesse L. Reno[26]

1st Brigade


   Col James Nagle

2nd Brigade


   Col Edward Ferrero

Artillery
  • Pennsylvania Light, Battery D: Cpt George W. Durell

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. Commanded also detachments from the Army of the Potomac: III, V and IX Corps (see: Pope's report)
  6. Temporarily attached to Third Division August 30, 1862
  7. Captain Frank Buell was killed on August 22, 1862 (see: Official Records, Series I, Volume XII, Part 2, page 820)
  8. 1 2 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).
  9. For Buford's wound see: John J. Hennessy, Return to Bull Run, The Campaign and Battle of Second Manassas, page 434
  10. Temporarily attached to the Third Corps, Army of the Potomac, August 28–30, 1862 (see: Itinerary of the 6th Maine Battery)
  11. Sick after August 28, 1862
  12. 1 2 Commanded the 2nd and 7th Wisconsin on August 30, 1862 (see: Gibbon's report)
  13. Temporarily attached to the Third Corps, Army of Virginia
  14. 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)
  15. Temporarily attached to the Fifth Corps, Army of the Potomac August 27–31, 1862
  16. 1 2 Commanded 1st New York on August 29, 1862, returned to the 3rd Maine on August 30, 1862 (see: Lakeman's and Burt's report)
  17. Injured August 29, 1862 and turned the command over to Captain Johnson (see: Hoffman's report)
  18. Rejoined the regiment on August 30, 1862 and assumed command as the senior officer present (see: Hoffman's report)
  19. 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)
  20. 22nd Massachusetts detached at Centreville, Virginia (see: Roberts' report)
  21. Turned over command to Colonel Weeks on account of sickness on August 30, 1862 (see: Lansing's report)
  22. Brady's Company Michigan Sharpshooters attached
  23. 3rd Massachusetts Battery detached at Centreville, Virginia (see: Martin's report)
  24. Only Company G, 1st United States under Captain Matthew R. Marston was present and attached to the 6th United States (see: Bootes' report)
  25. The 2nd and 10th United States were consolidated under the command of Major Lovell (see: Chapman's and Lovell's report)
  26. Also in command of all the troops of the Ninth Corps with Pope's army.

References

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