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Union Order of Battle - Second Manassas
 

Army of Virginia

Major General John Pope

 

Headquarters Escort:
1st Ohio Cavalry (Cos. A & C)
5th New York Cavalry (7 cos.)
36th Ohio: Colonel George Crook

 

 

First Corps:

Major General Franz Sigel
Headquarters Escort:
1st Indiana Cavalry (Cos. I & K)

 

First Division: BG Robert C. Schenck (W), BG Julius Stahel

• First Brigade: BG Julius Stahel, Col Adolphus Buschbeck
  8th New York: LtCol Carl B. Hedterich
  41st New York: LtCol Ernest W. Holmstedt
  45th New York: LtCol Edward W. Wratislaw
  27th Pennsylvania: Col Buschbeck, LtCol Lorenz Cantador

 

• Second Brigade:Col Nathaniel C. McLean
  25th Ohio: Col William P. Richardson
  55th Ohio: Col John C. Lee
  73rd Ohio: Col Orland Smith
  75th Ohio: Maj Robert Reily
• Artillery:
  Battery K, 1st Ohio Artillery: Lt George B. Haskin
  2nd New York Light: Capt Louis Shirmer (attached to 1st brigade)

Second Division: BG Adolph von Steinwehr

• First Brigade:Col John A. Koltes(k) LtCol Gustavus A. Muhleck
  29th New York: Col Clemens Soest(w), Maj Louis Hartman
  68th New York: LtCol John H. Kleefisch
  73rd Pennsylvania: LtCol Muhleck

Third Division: BG Carl Schurz

• First Brigade:Col Alexander Schimmelfenning
  61st Ohio: LtCol S.J. McGroarty
  74th Pennsylvania: Maj Franz Blessing
  8th West Virginia: Capt Hedgman Slack
  Battery F, Pennsylvania Artillery: Capt Robert B. Hampton
• Second Brigade:Col Wladimir Krzyzanowski
  54th New York: LtCol Charles Ashby
  58th New York: Maj William Henkel(w)
  Capt Frederick Braun
  75th Pennsylvania: LtCol Francis Mahler
  Battery L, 2nd New York Artillery: Capt Jacob Roemer

 

• Unattached:
  Troop C, 3rd West Virginia Cavalry: Capt Jonathan Stahl
  Battery I, 1st Ohio Artillery: Capt Hubert Dilger
• Independent Brigade:BG Robert H. Milroy
  2nd West Virginia: Col George R. Latham
  3rd West Virginia: Col David T. Hewes
  5th West Virginina: Col John L. Zeigler
  82nd Ohio: Col James Cantwell(k), LtCol James S. Robinson
  Troops C, E, and L, 1st West Virginia Cavalry: Maj John S. Krepps
  12th Ohio Battery: Capt Aaron C. Johnson
• Cavalry Brigade:Col John Beardsley
  1st Connecticut Battalion
  1st Maryland: LtCol Charles Wetschky
  4th New York: LtCol Ferris Nazer
  9th New York: Maj Charles Knox
  6th Ohio: Col William R. Lloyd
• Reserve Artillery:Capt Frank Buell, Capt Louis Schirmer
  Battery I, 1st New York Light: Capt Michael Wiedrich
  13th New York: Capt Julius Dieckmann
  Battery C, West Virginia Artillery: Lt Wallace Hill

Third Corps:

Major General Irvin McDowell

 

First Division: BG Rufus King (ill), BG John P. Hatch (w), BG Abner Doubleday

• First Brigade:BG Hatch (w), Col Timothy Sullivan
  22nd New York: Col Walter Phelps, Jr.
  24th New York: Col Timothy Sullivan, LtCol Samuel Beardsley (w)
  Maj Andrew Barney (w)
  30th New York: Col Edward Frisby
  84th New York (14th Militia): LtCol E.B. Fowler (w), Maj W.H. de Bevois
  2nd United States Sharpshooters: Col Henry A.V. Post

 

• Second Brigade: BG Abner Doubleday, Col William P. Wainwright
  56th Pennsylvania: Col Sullivan A. Meredith (w), LtCol J.W. Hoffmann
  76th New York: Col Wainwright, Maj Charles E. Livingstone
  95th New York: LtCol James B. Post
• Third Brigade: BG Marsena R. Patrick
  21st New York: Col William F. Rogers
  23rd New York: LtCol Nirom M. Crane
  35th New York: Col Newton B. Lord
  80th New York (20th Militia): Col G.W. Pratt (mw), LtCol T.B. Gates
• Fourth Brigade: BG John Gibbon
  2nd Wisconsin: Col Edgar O'Conner (k), LtCol Lucius Fairchild
  6th Wisconsin: Col Lysander Cutler (w), LtCol Edward S. Bragg
  7th Wisconsin: Col W.W. Robinson (w), LtCol C.A. Hamilton (w)
  19th Indiana: Col Solomon Meredith

 

• Artillery:
  1st New Hampshire: Capt George A. Gerrish, Lt Frederick M. Edgell
  Battery D, 1st Rhode Island: Capt J. Albert Monroe
  Battery L, 1st New York: Capt John A. Reynolds
  Battery B, 4th United States: Capt Joseph B. Campbell

 

Second Division: Brigadier General James B. Ricketts

• First Brigade:BG Abram Duryea
  97th New York: LtCol John P. Spofford
  104th New York: Maj Lewis C. Skinner
  105th New York: Col Howard Carroll
  107th Pennsylvania: Col Thomas F. McCoy

 

• Second Brigade:BG Zealous B. Tower (w), Col. William H. Christian
  26th New York: Col Christian, LtCol Richard H. Richardson
  94th New York: Col Adrian R. Root
  88th Pennsylvania: LtCol J.A. McLean (k), Maj George W. Gile
  90th Pennsylvania: Col Peter Lyle
• Third Brigade:Col John W. Stiles
  12th Massachusetts: Col Fletcher Webster (k), LtCol T.M. Bryan, Jr.
  13th Massachusetts: Col Samuel H. Leonard
  83rd New York (9th Militia): LtCol William Atterbury
  11th Pennsylvania: Col Richard Coulter
• Fourth Brigade:Col Joseph Thoburn
  7th Indiana: LtCol John F. Cheek
  84th Pennsylvania: Col Samuel M. Bowman
  110th Pennsylvania: Col William D. Lewis, Jr.
  1st West Virginia: LtCol Henry B. Hubbard
• Artillery
  2nd Maine Light: Capt James A. Hall
  5th Maine Light: Capt G.F. Leppien
  Battery F, 1st Pennsylvania: Capt Ezra W. Matthews
  Battery C, Pennsylvania: Capt James Thompson
• Cavalry Brigade (Temporarily attached):BG George D. Bayard
  1st Maine: Col Samuel H. Allen
  2nd New York: Col J. Mansfield Davies
  1st New Jersey: LtCol Joseph Karge, Maj Ivins. D. Jones
  1st Pennsylvania: Col Owen Jones
  1st Rhode Island: Col A.N. Duffie

 

Army of the Potomac

Third Corps:

Major General Samuel P. Heintzelman
Headquarters Escort
5th New Cavalry (3 cos.)

 

First Division: Major General Philip Kearny

• First Brigade:BG John C. Robinson
  20th Indiana: Col William L. Brown (k), Maj John Wheeler
  30th Ohio (6 cos.): LtCol Theodore Jones
  63rd Pennsylvania:col Alexander Hays (w), Capt James F. Ryan (w)
  105th Pennsylvania: LtCol C.A. Craig (w), Maj J.W. Greenwalt
• Second Brigade:BG David B. Birney
  3rd Maine: Capt Moses B. Lakeman
  4th Maine: Col Elijah Walker
  1st New York: Maj Edwin Burt
  38th New York: Col John Henry Hobart Ward
  40th New York: Col Thomas W. Egan
  101st New York: LtCol Nelson A. Gesner
  57th Pennsylvania: Maj William Birney
• Third Brigade:Col Orlando M. Poe
  37th New York: Col Samuel B. Hayman
  99th Pennsylvania: Col Asher S. Leidy
  2nd Michigan: LtCol Louis Dillman
  3rd Michigan: Col S.G. Champlin (w), Maj Byron R. Pierce
  5th Michigan: Capt William Wakenshaw
• Artillery Battery E, 1st Rhode Island: Capt George E. Randolph
  Battery K, 1st United States: Capt William M. Graham

Second Division: Major General Joseph Hooker

• First Brigade:BG Cuvier Grover
  2nd New Hampshire: Col Gilman Marston
  1st Massachusetts: Col Robert Cowdin
  11th Massachusetts: Col William Blaisdell
  16th Massachusetts: Maj Gardner Banks
  26th Pennsylvania: Maj Robert L. Bodine
• Second Brigade:Col Nelson Taylor
  70th New York: Capt Charles L. Young
  71st New York: Capt Owen Murphy
  72nd New York: Capt Harman J. Bliss
  73rd New York: Capt M.W. Burns
  74th New York: Maj Edward L. Price
• Third Brigade:Col Joseph B. Carr
  2nd New York: Capt Sidney W. Park
  5th New Jersey: LtCol W.J. Sewell
  6th New Jersey: Col Gershom Mott (w), LtCol G.C. Burling
  7th New Jersey: Col Joseph W. Revere
  8th New Jersey: LtCol William Ward (w), Capt John Tuite (k),
  Capt George Hoffman (w), Capt O.S. Johnson, Capt Daniel Blauvelt, Jr.
  115th Pennsylvania: LtCol Robert Thompson
• Artillery 6th Maine Battery: Capt Freeman McGilvery

 

Fifth Corps:

Major General Fitz John Porter

 

First Division: Major General George W. Morell

• First Brigade: Col Charles W. Roberts
  2nd Maine: Maj Daniel F. Sargent
  18th Massachusetts: Maj Joseph Hayes
  22nd Massachusetts: Capt Mason W. Burt
  13th New York: Col Elisha G. Marshall
  25th New York: Col Charles A. Johnson
  1st Michigan: Col H.S. Roberts (k), Capt E.W. Belton
• Second Brigade: BG Charles Griffin
  9th Massachusetts: Col Patrick R. Guiney
  32nd Massachusetts: Col Francis J. Parker
  14th New York: Col James McQuade
  62nd Pennsylvania: Col Jacob B. Sweitzer
  4th Michigan: Col Jonathan W. Childs
• Third Brigade: BG Daniel Butterfield, Col H.A. Weeks (w), Col James C. Rice
  12th New York: Col Weeks (w), Capt. A.I. Root (w), Capt William Huson
  17th New York: Col Henry A. Lansing, Maj W.T.C. Grower (w), Capt John Vickers
  44th New York: Col Rice, Maj Freeman Conner
  83rd Pennsylvania: LtCol H.S. Campbell (w), Maj William R. Lamont (w), Capt John Graham,
  Capt O.S.N. Woodward
  16th Michigan: Capt Thomas J. Barry, Capt Henry H. Sibley
  1st U.S. Sharpshooters: Col Hiram Berdan
• Artillery:
  3rd Massachusetts: Capt Augustus P. Martin
  Battery C, 1st Rhode Island: Capt Richard Waterman
  Battery D, 5th United States: Lt Charles E. Hazlett

Second Division: Brigadier General George W. Sykes

• First Brigade: LtCol Robert C. Buchanan
  3rd United States: Capt John D. Wilkins
  4th United States: Capt J.B. Collins
  12th United States (1st Battalion): Capt Matthew M. Blunt
  14th United States (1st Battalion): Capt J.D. O'Connell (w), Capt W.H. Brown
  14th United States (2nd Battalion): Capt David B. McKibbin
• Second Brigade: LtCol William Chapman
  Company G, 1st United States: Capt Matthew R. Marston
  2nd United States: Maj Charles S. Lovell
  6th United States: Capt Levi C. Bootes
  10th United States: Maj Charles S. Lovell
  11th United States: Maj Delancey Floyd-Jones
  17th United States: Maj George L. Andrews
• Third Brigade: Col Gouverneur K. Warren
  5th New York: Capt Cleveland Winslow
  10th New York: Col John E. Bendix
• Artillery: Capt Stephen H. Weed
  Batteries E and G, 1st United States: Lt Alanson M. Randol
  Battery I, 5th United States: Capt Weed
  Battery K, 5th United States: Capt John R. Smead (k), Lt W.E. Van Reed
• Reserve Corps (Temporarily attached):BG Samuel D. Sturgis
  Piatt's Brigade:BG A. Sanders Piatt
  63rd Indiana (4 companies): LtCol John S. Williams
  86th New York: Col Benajah P. Bailey

 

Ninth Corps:

Major General Jesse L. Reno

 

First Division: Major General Isaac I. Stevens

• First Brigade: Col Benjamin C. Christ
  50th Pennsylvania: LtCol T.S. Brenholtz, Maj Edward Overton, Jr.
  8th Michigan: LtCol Frank Graves
• Second Brigade: Col David Leasure (w), LtCol David A. Leckey
  46th New York (5 cos.): Col Rudolph Rosa (w), Maj Julius Parcus
  100th Pennsylvania: LtCol Leckey, Capt J.E. Cornelius
• Third Brigade: Col Addison Farnsworth
  28th Massachusetts: Maj G.W. Cartwright
  79th New York: LtCol David Morrison
• Artillery:
  Battery E, 2nd United States: Lt Samuel N. Benjamin

Second Division: MG Jesse L. Reno

• First Brigade: Col James Nagle
  6th New Hampshire: Col Simon G. Griffin
  48th Pennsylvania: LtCol Joshua K. Sigfried 2nd Maryland: LtCol J. Eugene Duryea
• Second Brigade: Col Edward Ferrero
  21st Massachusetts: Col William S. Clark
  51st New York: LtCol Robert B. Potter
  51st Pennsylvania: Col John F. Hartranft
• Artillery:
  Battery D, Pennsylvania Light: Capt George W. Durell