Army of Northeastern Virginia
Brigadier General Irvin McDowell
First Division: Brigadier General Daniel Tyler
- First Brigade: Colonel Erasmus D. Keyes
2nd Maine - Colonel C.D. Jamerson
1st Connecticut - Lieutenant Colonel Speidel
2nd Connecticut - Colonel A.H. Terry
3rd Connecticut - Colonel J.L. Chatfield - Second Brigade: Brigadier General Robert C. Schenck
2nd New York Militia - Colonel G.W.B. Tompkins
1st Ohio - Colonel A. McD. McCook
2nd Ohio - Lieutenant Colonel R. Mason
Company E, 2nd U.S. Artillery - Captain J.H. Carlisle - Third Brigade: Colonel William T. Sherman
13th New York - Colonel I. F. Quinby
69th New York - Colonel M. Corcoran (W&C), Captain J. Kelly
79th New York - Colonel J. Cameron (K)
2nd Wisconsin - Lieutenant Colonel H.W. Peck
Company E, 3rd U.S. Artillery - Captain R.B. Ayres - Fourth Brigade: Colonel Israel B. Richardson
1st Massachusetts - Colonel R. Cowdin
12th New York - Colonel E.L. Wairath
2nd Michigan - Major A.W. Williams
3rd Michigan - Colonel D. McConnell, Lieutenant Colonel Stevens
Company G, 1st US Artillery (2 guns), Lt. J. Edwards
Company M, 2nd US Artillery (4 guns), Capt. H. J. Hunt
SECOND DIVISION - Colonel David Hunter (W), Colonel Andrew Porter
- First Brigade: Colonel Andrew Porter
8th New York (Militia) - Colonel G. Lyons
14th New York (Militia) - Colonel A.M. Wood (W), Lt. Colonel E. B. Fowler
27th New York - Colonel H. W. Slocum (W), Major J.J. Bartlett
U.S. Infantry Battalion (8 Cos.) - Major G. Sykes
U.S. Marine Corps Battalion - Major J.G. Reynolds
U.S. Cavalry Battalion (7 Cos.) - Major I.N. Palmer
Company D, 5th U.S. Artillery - Captain C. Griffin - Second Brigade: Colonel Ambrose E. Burnside
2nd New Hampshire - Colonel G. Marston (W), Lieutenant Colonel F.S. Flake
1st Rhode Island - Major J.P. Balch
2nd Rhode Island - Colonel J.S. Slocum (K), Lieutenant Colonel F. Wheaton
71st New York - Colonel H.P. Martin
2nd Rhode Island Battery, Capt. William H. Reynolds
Third Division: Colonel Samuel P. Heintzelman (W)
- First Brigade: Colonel William B. Franklin
5th Massachusetts - Colonel S.C. Lawrence (W)
11th Massachusetts - Colonel G. Clark
1st Minnesota - Colonel W.A. Gorman
4th Pennsylvania - Colonel John F. Hartranft
Company I, 1st U.S. Artillery - Captain J.B. Ricketts (W&C)
- Second Brigade: Colonel Orlando B. Willcox (W&C), Colonel J.H. Hobart Ward
11th New York - Lt. Colonel N.C. Farnham (W)
38th New York - Colonel J.H. Hobart Ward, Lt. Colonel A. Farnsworth
1st Michigan - Major A.F. Bidwell
4th Michigan - Colonel D.A. Woodbury
Company D, 2nd U.S. Artillery - Captain R. Arnold - Third Brigade: Colonel Oliver O. Howard
3rd Maine - Major H.G. Staples
4th Maine - Colonel H.G. Berry
5th Maine - Colonel M.H. Dunnell
2nd Vermont - Colonel H. Whiting
Fourth Division: Brigadier General Theodore Runyon
- Militia
1st New Jersey - Colonel A.J. Johnson
2nd New Jersey - Colonel H. M. Baker
3rd New Jersey - Colonel W. Napton
4th New Jersey - Colonel M. Miller Volunteers - Volunteers
1st New Jersey - Colonel W.R. Montgomery
2nd New Jersey - Colonel G.W. McLean
3rd New Jersey - Colonel G. W. McLean
41st New York - Colonel L. Von Gilsa
Fifth Division: Colonel Dixon S. Miles
- First Brigade: Colonel Louis Blenker
8th New York - Lieutenant Colonel J. Stahel
29th New York - Colonel A. von Steinwehr
39th New York - Colonel F.G. D'Utassy
27th Pennsylvania - Colonel M. Einstein
Company A, 2nd U.S. Artillery - Captain J.C. Tidball
8th New York Militia Battery - Captain C. Brookwood - Second Brigade: Colonel Thomas A. Davies
16th New York - Lieutenant Colonel S. Marsh
18th New York - Colonel W.A. Jackson
31st New York - Colonel C.E. Pratt
32nd New York - Colonel R. Matheson
Company G, 2nd U.S. Artillery - Lieutenant O.D. Greene