United States Army


< to October November 1861 • to December >

Commanded by Major General George B. McClellan

Headquarters
Banks’ Division Major General Nathaniel P. Banks
1st Brigade Brigadier General Alpheus Williams
2nd Brigade Brigadier General J. Abercrombie
3rd Brigade Brigadier General C. S. Hamilton
Buell’s Division Brigadier General Don Carlos Buell (until 11/9)
Brigadier General Edward D. Keyes
1st Brigade Brigadier General Darius N. Couch
2nd Brigade Brigadier General L. P. Graham
3rd Brigade Brigadier General J. J. Peck
Casey’s Provisional Division Brigadier General Silas Casey
Dix’s Division Major General John Dix
Franklin’s Division Brigadier General W. B. Franklin
1st Brigade Brigadier General Philip Kearney
2nd Brigade Brigadier General Henry P. Slocum
3rd Brigade Brigadier General John Newton
Heintzelman’s Division  Brigadier General Samuel P. Heintzelman
1st Brigade Brigadier General Israel B. Richardson
2nd Brigade Brigadier General John Sedgwck
3rd Brigade Brigadier General Charles D. Jameson
Hooker’s Division Brigadier General Joseph Hooker
1st Brigade Brigadier General H. M. Naglee
2nd Brigade Brigadier General Daniel E. Sickles
3rd Brigade Brigadier General L. Blenker
McCall’s’s Division Brigadier General George McCall
1st Brigade Brigadier General John Reynolds
2nd Brigade Brigadier General George Meade
3rd Brigade Brigadier General Edward O. C. Ord
McDowell’s Division Brigadier General Irwin McDowell
1st Brigade Brigadier General E. D. Keyes (to 11/9)
Brigadier General C. C. Augur
2nd Brigade Brigadier General John S. Wadsworth
3rd Brigade Brigadier General Rufus King
Porter’s Division Brigadier General Fitz John Porter
1st Brigade Brigadier General George W. Morrell
2nd Brigade Brigadier General John H. Martindale
3rd Brigade Brigadier General Daniel Butterfield
Smith’s Division Brigadier General William F. Smith
1st Brigade Brigadier General W. T. H. Brooks
2nd Brigade Brigadier General J. W. Davidson
3rd Brigade Brigadier General W. S. Hancock
Stone’s Division Brig. Gen. Charles P. Stone
1st Brigade Brigadier General W. Gorman
2nd Brigade Brigadier General N. J. T. Dana 
3rd Brigade Brigadier General William W. Burns
Sumner’s Division Brigadier General Edwin V. Sumner
1st Brigade Brigadier General Oliver O. Howard
2nd Brigade Brigadier General Thomas F. Meagher
3rd Brigade Brigadier General William H. French
Artillery Reserve Colonel Henry K. Hunt
Cavalry Command Brigadier General George Stoneman
Cavalry Reserve
2nd United States Cavalry Regiment
Defenses of Washington