United States Army > Army of the Potomac > 2nd Corps


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Commanded by 
Brigadier General Israel B. Richardson
(mortally wounded  September 17)
Brigadier General John C. Caldwell
(September 17)
Brigadier General Winfield S. Hancock

First Brigade Brigadier General John C. Caldwell
5th New Hampshire Infantry Regiment Colonel Edward E. Cross (w 9/17)
7th New York Infantry Regiment Captain Charles Brestel
61st New York Infantry Regiment Colonel Francis Barlow (w 9/17)
Lt. Colonel Nelson Miles
64th New York Infantry Regiment see above combined with 61st New York
81st Pennsylvania Infantry Regiment Major Henry Boyd McKeen
Second (Irish) Brigade Brig. Gen. Thomas F. Meagher (except 9/17 – 9/18)
Colonel John Burke (9/17 – 9/18)
29th Massachusetts Infantry Regiment Lt. Colonel Joseph H. Barnes
63rd New York Infantry Regiment Colonel John Burke (until 9/17)
Lt. Colonel Henry Fowler (w 9/17)
Captain Joseph O’Neill (after 9/17)
69th New York Infantry Regiment Lt. Colonel James Kelly (w 9/17)
Major James Cavanagh (after 9/17)
88th New York Infantry Regiment Lt. Colonel Patrick Kelly (Col. 9/22)
145th Pennsylvania Infantry Regiment Colonel Hiram L. Brown from Pennsylvania 9/17
Third Brigade Brig. Gen. William H. French (to 9/6)
Colonel John R. Brooke 

2nd Delaware Infantry Regiment Captain David L. Stricker
52nd New York Infantry Regiment Colonel Paul Frank
57th New York Infantry Regiment Lt. Colonel Philip J. Parisen (k 9/17)
Major Alford B. Chapman
66th New York Infantry Regiment Captain Julius Wehle
53rd Pennsylvania Infantry Regiment Colonel John R. Brooke (^ 9/6)
Lt. Colonel Richards McMichael
Artillery  
Battery G, 1st New York Artillery Captain John D. Frank from 2nd Corps Artillery
Batteries A&C, 4th United States Artillery