Second Battle of Bull Run order of battle: Union explained

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

See main article: 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

See main article: XI Corps (Union Army). MG Franz Sigel (w)

Chief of Artillery: Cpt Ulric Dahlgren

Headquarters Escort:

width=25% Divisionwidth=25% BrigadeRegiments 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 directlyIndependent 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

See main article: XII Corps (Union Army).

width=25% BrigadeRegiments and Others
Cavalry Brigade[9]
  BG John Buford[10] (w)
Artillery

III Corps

See main article: I Corps (Union Army). MG Irvin McDowell

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

Headquarters Troops:

width=25% Divisionwidth=25% BrigadeRegiments 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 directlyCavalry Brigade
  BG George D. Bayard
Unattached

Reserve Corps

BG Samuel D. Sturgis

width=25% BrigadeRegiments and Others
Piatt's Brigade[16]
  BG Abram S. Piatt

Army of the Potomac

See main article: Army of the Potomac. The following Corps from the Army of the Potomac were attached to the Army of Virginia.

III Corps

See main article: III Corps (Union Army). MG Samuel P. Heintzelman

width=25% Divisionwidth=25% BrigadeRegiments 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

See main article: V Corps (Union Army). MG Fitz John Porter

Chief of Staff: Ltc Frederick T. Locke

width=25% Divisionwidth=25% BrigadeRegiments 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
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

See main article: IX Corps (Union Army). MG Jesse L. Reno

width=25% Divisionwidth=25% BrigadeRegiments 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

References

Notes and References

  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 principal 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 Regiment Massachusetts Volunteer Infantry|22nd Massachusetts]
  22. Turned over command to Colonel Weeks on account of sickness on August 30, 1862 (see: Lansing's report)
  23. [Michigan sharpshooter units of the American Civil War|Brady's Company Michigan Sharpshooters]
  24. [3rd Massachusetts Light Artillery|3rd Massachusetts Battery]
  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.