Battle of Seven Pines
Union Order of Battle V & VI Corps
V Corps
Brig. Gen. John Porter
​
First Division
Brig. Gen. George W. Morell
​
1st Brigade
Brig. Gen. John H. Martindale
​
2nd Maine Infantry
- - - - - -
18th Massachusetts Infantry
- - - - - -
22nd Massachusetts Infantry
- - - - - -
13th New York Infantry
- - - - - -
25th New York Infantry
- - - - - -
2nd Company, Massachusetts Sharpshooters
- - - - - -
​
2nd Brigade
Col. James McQuade
​
9th Massachusetts Infantry
- - - - - -
4th Michigan Infantry
- - - - - -
14th New York Infantry
- - - - - -
62nd Pennsylvania Infantry
- - - - - -
​
3rd Brigade
Brig. Gen. Daniel Butterfield
​
16th Michigan Infantry
- - - - - -
12th New York Infantry
- - - - - -
17th New York Infantry
- - - - - -
44th New York Infantry
- - - - - -
83rd Pennsylvania Infantry
- - - - - -
Brady's Company, Michigan Sharpshooters
- - - - - -
​
Artillery
Capt. Charles Griffin
​
Battery C, Massachusetts Light Artillery
- - - - - -
Battery E, Massachusetts Light Artillery
- - - - - -
Battery C, 1st Rhode Island Light Artillery
- - - - - -
Battery D, 5th U.S. Artillery
​
Sharpshooters
​
1st U.S. Sharpshooters
Col. Hiram Berdan
​
Second Division
Brig. Gen. George Sykes
​
1st Brigade
Col. Robert C. Buchanan
​
3rd U.S. Infantry
- - - - - -
4th U.S. Infantry
- - - - - -
12th U.S. Infantry
- - - - - -
14th U.S. Infantry
- - - - - -
​
2nd Brigade
Lieut. Col. William Chapman
​
2nd U.S. Infantry
- - - - - -
6th U.S. Infantry
- - - - - -
10th U.S. Infantry
- - - - - -
11th U.S. Infantry
- - - - - -
17th U.S. Infantry
- - - - - -
​
3rd Brigade
Col. Gouverneur K. Warren
​
5th New York Infantry
- - - - - -
1st Connecticut Heavy Artillery
(serving as Infantry)
- - - - - -
​
Artillery Reserve
Col. Henry J. Hunt
​
1st Brigade
Lieut. Col. William Hays
​
Battery M, 2nd U.S. Artillery
Capt. Henry Benson
Battery C-G,. 3rd U.S. Artillery
- - - - - -
​
2nd Brigade
Lieut. Col. George W. Getty
​
Battery E, 1st U.S. Artillery
Lieut. Alanson Merwin Randol
Battery G&K, 1st U.S. Artillery
- - - - - -
Battery G, 4th U.S. Artillery
- - - - - -
Battery A, 5th U.S. Artillery
- - - - - -
Battery K, 5th U.S. Artillery
- - - - - -
​
3rd Brigade
Maj. Albert Arndt
​
Battery A, 1st New York Artillery Battalion
- - - - - -
Battery B, 1st New York Artillery Battalion
- - - - - -
Battery C, 1st New York Artillery Battalion
- - - - - -
Battery D, 1st New York Artillery Battalion
- - - - - -
​
4th Brigade
Capt. J. Howard Carlisle
​
Battery E, 2nd U.S. Artillery
- - - - - -
Battery F-K, 3rd U.S. Artillery
- - - - - -
Battery K, 4th U.S. Artillery
​
VI Corps
Brig. Gen. William B. Franklin
​
First Division
Brig. Gen. Henry W. Slocum
​
1st Brigade
Brig. Gen. George W. Taylor
​
1st New Jersey Infantry
- - - - - -
2nd New Jersey Infantry
- - - - - -
3rd New Jersey Infantry
- - - - - -
4th New Jersey Infantry
- - - - - -
​
2nd Brigade
Col. Joseph J. Bartlett
​
5th Maine Infantry
- - - - - -
16th New York Infantry
- - - - - -
27th New York Infantry
- - - - - -
96th Pennsylvania Infantry
- - - - - -
​
3rd Brigade
Brig. Gen. John Newton
​
18th New York Infantry
- - - - - -
31st New York Infantry
- - - - - -
32nd New York Infantry
- - - - - -
95th Pennsylvania Infantry
- - - - - -
​
Artillery
Capt. Edward R. Platt
​
Battery A, Massachusetts Light Artillery
- - - - - -
Battery A, New Jersey Light Artillery
- - - - - -
Battery D, 2nd U.S. Artillery
- - - - - -
​
Second Division
Brig. Gen. William F. Smith
​
1st Brigade
Brig. Gen. Winfield S. Hancock
​
6th Maine Infantry
- - - - - -
43rd New York Infantry
- - - - - -
49th Pennsylvania Infantry
- - - - - -
5th Wisconsin Infantry
- - - - - -
​
2nd Brigade
Brig. Gen. William T. H. Brooks
​
2nd Vermont Infantry
- - - - - -
3rd Vermont Infantry
- - - - - -
4th Vermont Infantry
- - - - - -
5th Vermont Infantry
- - - - - -
6th Vermont Infantry
- - - - - -
​
3rd Brigade
Brig. Gen. John W. Davidson
​
7th Maine Infantry
- - - - - -
33rd New York Infantry
- - - - - -
49th New York Infantry
- - - - - -
77th New York Infantry
- - - - - -
​
Artillery
Capt. Romeyn B. Ayres
​
Battery E, 1st New York Light Artillery
- - - - - -
1st New York Independent Battery
- - - - - -
3rd New York Independent Battery
- - - - - -
Battery F, 5th U.S. Artillery
- - - - - -
​
Cavalry
​
1st New York Cavalry
- - - - - -
​
Reserves
​
Cavalry Reserve
Brig. Gen. Philip St. George Cooke
​
1st Brigade
Brig. Gen. William H. Emory
​
5th U.S. Cavalry
- - - - - -
6th U.S. Cavalry
- - - - - -
6th Pennsylvania Cavalry
- - - - - -
​
2nd Brigade
Col. George A. H. Blake
​
1st U.S. Cavalry
- - - - - -
8th Pennsylvania Cavalry
- - - - - -
​
Advanced Guard
Brig. Gen. George Stoneman
​
8th Illinois Cavalry
- - - - - -
98th Pennsylvania Infantry
- - - - - -
2nd Rhode Island Infantry
- - - - - -
Battery A, 2nd U.S. Artillery
- - - - - -
Batteries B and L, 1st New York Artillery
- - - - - -
​
White House Command
Lieut. Col. Rufus Ingalls
​
93rd New York Infantry (6 companies)
- - - - - -
11th Pennsylvania Cavalry (5 companies)
- - - - - -
Battery F, 1st New York Light Artillery
- - - - - -
​