Battle of Chantilly
Union Order of Battle
III Corps, Army of the Potomac
Maj. Gen. Samuel P. Heintzelman
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1st Division
Brig. Gen. Philip Kearny (k)
Brig. Gen. David B. Birney
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1st Brigade
Brig. Gen. John C. Robinson
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20th Indiana Infantry
Col. Van Valkenberg
63rd Pennsylvania Infantry
Lieut. Col. Morgan
105th Pennsylvania Infantry
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2nd Brigade
Brig. Gen. David B. Birney
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3rd Maine Infantry
Lieut. Col. Mowes B. Lakeman
4th Maine Infantry
Col. Elijah Walker
1st New York Infantry
Lieut. Col. John F. Pearson
38th New York Infantry
Col. J. H. H. Ward
40th New York Infantry
Col. Thomas Egan
101st New York Infantry
Col. Enrico Fardello
57th Pennsylvania Infantry
Col. Charles T. Campbell
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3rd Brigade
Col. Orlando M. Poe
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2nd Michigan Infantry
Lieut. Col. Louis Dillman
3rd Michigan Infantry
Maj. Byron Pierce
5th Michigan Infantry
37th New York Infantry
Lieut. Col. Gilbert
99th Pennsylvania Infantry
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Artillery
1st Rhode Island Light, Battery E
Capt. George E. Randolph
1st U.S., Battery K
Capt. William K. Graham
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IX Corps, Army of the Potomac
Maj. Gen. Jesse L. Reno
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1st Division
Brig. Gen. Isaac Stevens (k)
Col. Benjamin C. Christ
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1st Brigade
Col. Benjamin C. Christ
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8th Michigan Infantry
Col. Williams Fenton
50th Pennsylvania Infantry
Maj. Edward Overton, Jr.
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2nd Brigade
Col. Daniel Leasure
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46th New York Infantry (5 companies)
Lieut. Col. Joseph Gerhard
100th Pennsylvania Infantry
Lieut. Col. David Leckey
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3rd Brigade
Lieut. Col. David Morrison
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28th Massachusetts Infantry
Capt. Andrew A. Caraher
79th New York Infantry
Lieut. Col. David Morrison
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2nd Division
Maj. Gen. Jesse L. Reno
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1st Brigade
Col. James Nagle
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2nd Maryland Infantry
Col. Thomas B. Allard
48th Pennsylvania Infantry
Col. James Nagle
6th New Hampshire Infantry
Col. Simon G. Griffin
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2nd Brigade
Col. Edward Ferrero
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21st Massachusetts Infantry
Col. William S. Clark
51st New York Infantry
Col. Edward Ferrero
51st Pennsylvania Infantry
Col. John F. Hartranft
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