United States Army > Army of Virginia

< to August • September 1862

Commanded by
Major General Irvin McDowell (until 9/5)
Brigadier General J. B. Ricketts (9/5 – 9/6)
Major General Joseph Hooker (after 9/6)

On September 12, 1862 the Third Corps of the Army of Virginia was redesigned the First Army Corps of the Army of the Potomac.

First Division Brigadier General Abner Doubleday
1st Brigade Colonel T. Sullivan
2nd Brigade Colonel J. W. Hoffman
3rd Brigade Brig. Gen. Marsena Patrick
4th Brigade Brig. Gen. John Gibbon
Second Division Brigadier General John B. Ricketts
1st Brigade Brig. Gen. Abram Duryea
2nd Brigade Colonel W. H. Christian
3rd Brigade Colonel J. W. Stiles (to 9/2)
Brig. Gen. G. L. Hartsuff
4th Brigade Colonel Joseph Thoburn
Third Division Brigadier General John F. Reynolds
1st Brigade Brig. Gen. Truman Seymour
2nd Brigade Brig. Gen. George G. Meade
3rd Brigade Lt. Colonel Robert Anderson (9/1)
Colonel Thomas F. Gallagher
Cavalry Brigade Brigadier General George D. Bayard
1st Maine Cavalry, Cos. A,B,E,H&M Lt. Colonel Calvin R. Douty
1st New Jersey Cavalry Regiment Colonel Percy Wyndham
2nd New York Cavalry Regiment Colonel Judson Kilpatrick
1st Pennsylvania Cavalry Regiment Colonel Owen Jones
1st Rhode Island Cavalry Regiment Colonel Robert B. Lawton
13th Pennsylvania Reserves, Cos. C,G,H&I  rejoined regiment in 3 Corps, 3 Div. 3 Brig. 9/7
3rd Maine Battery (Pontooneers)