Army of Northeastern Virginia

Brigadier General Irvin McDowell
Staff of 21, 19 present for duty

Manpower was reported as "Present" and "Present for Duty".  The numbers "Present" were also compiled into an aggregate total. 
 

First Division: Brigadier General Daniel Tyler
Officers:     569
Men:       12226

• 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 - 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
Officers:     121
Men:       2364

• 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)
Officers:     382
Men:       8680

• 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
Officers:     247
Men:       5201

• 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
Officers:     289
Men:       5884

• 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