Commanded by Major General C. P. Sandford, New York Militia

Created July 10, 1861
Discontinued July 25, 1861

7th Brigade Colonel Charles P. Stone  created July 10
1st New Hampshire Infantry Regiment Colonel Mason Tappan from Dept. Washington
to Dept. Shenandoah, 3rd Bde.
9th New York State Militia Regiment Colonel John W. Stiles from Dept. Washington
to Dept. Shenandoah, 3rd Bde.
17th Pennsylvania Infantry Regiment Colonel Francis E. Patterson 7/7 from Dept. Washington
7/23 to Philadelphia to muster out
25th Pennsylvania Infantry Regiment
(Companies D, F, G, I and K)
Colonel Henry L. Cake 7/01 from Dept. Washington
7/23 to Philadelphia for muster out
District of Columbia Infantry (det.) Captain Smead 7/7 from Dept. Washington
United States Cavalry (detachment) Captain Magruder 7/7 from Dept. Washington
4th United States Artillery Battery F Lieutenant Alexander Piper to Dept. Shenandoah, 3rd Bde.
8th Brigade Colonel Daniel Butterfield   created July 10
5th New York State Militia Colonel C. Schwarzwaelder from Dept. Washington 7/10
to New York for muster out 7/30
12th New York State Militia Colonel Daniel Butterfield from Dept. Washington 7/6
to New York for muster out 7/30
19th New York Infantry Regiment Colonel John S. Clarke from Dept. Washington 7/6
to Dept. Shenandoah, 1st Bde.
28th New York Infantry Regiment Colonel Dudley Donnelly from Dept. Washington 7/11
to Dept. Shenandoah, 1st Bde.
Philadelphia, Pennsylvania City Troop Captain Thomas James to Dept. Shenandoah, 1st Bde.