U.S. Army - Army of the Potomac - Second Army Corps

Second Division

Major General J. Gibbon (until 7/31)

Colonel T. A. Smythe (after 7/31)

First Brigade

Lt. Colonel F. E. Pierce

19th Maine Infantry Regiment

15th Massachusetts Infantry Regiment

to Massachusetts to muster out 7/12

19th Massachusetts Infantry Regiment

20th Massachusetts Infantry Regiment

7th Michigan Infantry Regiment

1st Minnesota Infantry Regiment

42nd New York Infantry Regiment

Lt. Colonel William A. Lynch

mustered out in New York 7/13

59th New York Infantry Regiment

152nd New York Infantry Regiment

184th Pennsylvania Infantry Regiment

36th Wisconsin Infantry Regiment

Second Brigade

Colonel Matthew Murphy

155th New York Infantry Regiment

164th New York Infantry Regiment

170th New York Infantry Regiment

182nd New York Infantry Regiment

Captain John Coonan

8th New York Heavy Artillery Regiment

Third Brigade

Colonel Thomas A. Smythe (until 7/31)

Colonel S. A. Moore (after 7/31)

14th Connecticut Infantry Regiment

1st Delaware Infantry Regiment

2nd Delaware Infantry Regiment

mustered out 7/1

12th New Jersey Infantry Regiment

10th New York Infantry Regiment

Lt. Colonel George F. Hopper

108th New York Infantry Regiment

4th Ohio Infantry Regiment

69th Pennsylvania Infantry Regiment

72nd Pennsylvania Infantry Regiment

106th Pennsylvania Infantry Regiment

7th West Virginia Infantry Regiment