First Battle of Bull Run order of battle: Union explained

The following units and commanders fought in the First Battle of Bull Run on the Union side. The Confederate order of battle is shown separately. Order of battle compiled from the army organization[1] during the battle[2] and the reports.[3]

Abbreviations used

Military rank

Other

Army of Northeastern Virginia

See main article: Army of Northeastern Virginia. BG Irvin McDowell, Commanding

General Staff:

width=25% Divisionwidth=25% BrigadeRegiments and Others
First Division


    BG Daniel Tyler

First Brigade
  Col Erasmus D. Keyes
Second Brigade
  BG Robert C. Schenck
Third Brigade
  Col William T. Sherman
Fourth Brigade
  Col Israel B. Richardson
Second Division


    Col David Hunter (w)
    Col Andrew Porter

First Brigade
  Col Andrew Porter
Second Brigade
  Col Ambrose Burnside
Third Division


    Col Samuel P. Heintzelman (w)

First Brigade
  Col William B. Franklin
Second Brigade
  Col Orlando B. Willcox (w&c)
  Col J. H. Hobart Ward
Third Brigade
  Col Oliver O. Howard
Fourth (Reserve) Division[8]


    BG Theodore Runyon

no brigade organization
Fifth Division


    Col Dixon S. Miles

First Brigade[9]
  Col Louis Blenker
Second Brigade
  Col Thomas A. Davies

References

Notes and References

  1. Multiple commander names indicate command succession of command during the battle or the campaign.
  2. The Manassas Campaign, Virginia, July 21, 1861 - Union order of battle
    Manassas National Battlefield Park - The Battle of First Manassas, Union order of battle; Official Records, Series I, Volume II, pages, 314-315
  3. Official Records, Series I, Volume II, pages, 1024-1026
  4. At this time the 3rd New York Independent Light Artillery formed a company of the regiment and was engaged.
  5. Commanded the regiment when Colonel McConnell was sick (see: Richardson's report)
  6. Companies C and G, 2nd Infantry; B, D, G, H, and K, 3rd Infantry; and G, 8th Infantry
  7. Companies A and E, 1st Cavalry; B, E, G, and I, 2nd Cavalry; and K, 2nd Dragoons.
  8. Not engaged
  9. In reserve at Centreville and not engaged in the battle proper. Had some skirmishing with the enemy while covering the retreat of the Army
  10. This consisted of the field guns of the 8th New York Militia, defended by detachments from the 8th and 29th New York Volunteer Infantry
  11. http://www.civilwararchive.com/Unreghst/unnyart4.htm#varians Varian's 1st Troop Washington Grays at civilwararchive.com