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]
See main article: Army of Northeastern Virginia. BG Irvin McDowell, Commanding
General Staff:
width=25% | Division | width=25% | Brigade | Regiments and Others |
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First Division
| First Brigade Col Erasmus D. Keyes |
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Second Brigade BG Robert C. Schenck |
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Third Brigade Col William T. Sherman |
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Fourth Brigade Col Israel B. Richardson |
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Second Division
| First Brigade Col Andrew Porter |
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Second Brigade Col Ambrose Burnside |
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Third Division
| First Brigade Col William B. Franklin |
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Second Brigade Col Orlando B. Willcox (w&c) Col J. H. Hobart Ward |
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Third Brigade Col Oliver O. Howard |
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Fourth (Reserve) Division[8] | no brigade organization |
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Fifth Division
| First Brigade[9] Col Louis Blenker |
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Second Brigade Col Thomas A. Davies |
|