United States Army


< to September October 1861 • to November >

Commanded by Major General George B. McClellan

Headquarters
Banks’ Division Major General Nathaniel P. Banks
1st Brigade Colonel H. Gordon (to 10/18)
Brigadier General Alpheus Williams
2nd Brigade Brigadier General J. Abercrombie
3rd Brigade Colonel J. W. Stiles (to 10/8)
Brigadier General C. S. Hamilton
Buell’s Division Brigadier General Don Carlos Buell
1st Brigade Brigadier General D. 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 William B. Franklin
1st Brigade Brigadier General P. Kearney
2nd Brigade Brigadier General H. P. Slocum
3rd Brigade Brigadier General J. 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 Brig. Gen. Joseph Hooker
1st Brigade Brigadier General Henry M. Naglee
2nd Brigade Brigadier General Daniel E. Sickles
3rd Brigade Brigadier General Louis Blenker
McCall’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 Edward D. Keyes
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 I. Stevens (to 10/24)
Brigadier General J. W. Davidson
3rd Brigade Brigadier General W. S. Hancock
Stone’s Division Brigadier General Charles P. Stone
1st Brigade Brigadier General W. Gorman
2nd Brigade Brigadier General F. Lander (10/3-22)
Brigadier General N. J. T. Dana 
3rd Brigade Col. Edward Baker (k 10/29)
Brigadier General William W. Burns
Artillery Reserve Colonel Henry K. Hunt
Cavalry Command Brigadier General George Stoneman
Cavalry Reserve
2nd United States Cavalry Regiment
Defenses of Washington