United States Army


< to January February 1862 • to March >

Commanded by Major General George B. McClellan

Headquarters

Provost Guard Colonel Andrew Porter
Sturgis (Illinois) Rifles
2nd United States Infantry Regiment
3rd United States Infantry, Cos.BDGH&K
4th United States Infantry Regiment
6th United States Infantry Regiment
8th United States Infantry, Cos. F&G
4th United States Cavalry, Cos. A&E
5th United States Artillery, Battery K
Engineer Brigade
15th New York Engineer Regiment
50th New York Engineer Regiment
Regular Engineer Battalion

Banks’ Division

Major General Nathaniel P. Banks
First Brigade Brigadier General Alpheus S. Williams
5th Connecticut Infantry Regiment Colonel Orris S. Ferry
1st Maryland Infantry Regiment Colonel John R. Kenly
28th New York Infantry Regiment Colonel Dudley Donnelly
28th Pennsylvania Infantry Regiment Colonel John Geary
46th Pennsylvania Infantry Regiment Colonel Joseph F. Knipe
Second Brigade Brigadier General John J. Abercrombie
12th Indiana Infantry Regiment
16th Indiana Infantry Regiment
2nd Massachusetts Infantry Regiment Colonel George H. Gordon
12th Massachusetts Infantry Regiment Colonel Fletcher Webster
13th Massachusetts Infantry Regiment Colonel Samuel H. Leonard
66th Pennsylvania Infantry Regiment Lieutenant Colonel James B. Freeman to Washington
Third Brigade Brigadier General Charles S. Hamilton
27th Indiana Infantry Regiment Colonel Silas Colgrove
9th New York State Militia Regiment Colonel John W. Stiles
29th Pennsylvania Infantry Regiment Colonel John K. Murphy
3rd Wisconsin Infantry Regiment Colonel Samuel H. Leonard
Artillery and Cavalry
Battery M, 1st New York Artillery
Battery F, 1st Pennsylvania Artillery
Pennsylvania Independent Battery F
1st Rhode Island Battery
Battery F, 4th United States Artillery
1st Michigan Cavalry Regiment Colonel Thornton F. Brodhead to Hatch’s Cavalry, 5th Corps
3rd New York Cavalry (4 cos.) to Hatch’s Cavalry, 5th Corps
1st Vermont Cavalry Colonel Lemuel B. Platt (res. 2/27)
Colonel Jonas P. Holiday
to Hatch’s Cavalry, 5th Corps

Blenker’s Division

Brigadier General Louis Blenker
First Brigade Brigadier General Julius H. Stahel
8th New York Infantry Regiment Colonel Francis Wutschel
39th New York Infantry Regiment Colonel Frederick D’Utassy
45th New York Infantry Regiment Colonel George Von Amsberg
27th Pennsylvania Infantry Regiment Colonel Adolph E. Buschbeck
Second Brigade Colonel Adolf Von Steinwehr
29th New York Infantry Regiment Lieutenant Colonel Clemens Soest
54th New York Infantry Regiment Colonel Eugene A. Kozlay
68th New York Infantry Regiment Colonel Robert J. Betge
73rd Pennsylvania Infantry Regiment Colonel John A. Koltes
Third Brigade Colonel Henry Bohlen
58th New York Infantry Regiment Colonel Wladimir Krzyzanowski
74th Pennsylvania Infantry Regiment Colonel Alexander Schimmelfennig
75th Pennsylvania Infantry Regiment Lieutenant Colonel Francis Mahler
Unattached Units
41st New York Infantry Regiment Colonel Leopold Von Gilsa
2nd New York Independent Battery Captain Louis Schirmer
13th New York Independent Battery Captain Emil Sturmfels
4th New York Cavalry Regiment Colonel Christian F. Dickel

Casey’s Division

Brigadier General Silas Casey
First Brigade Brigadier General Henry M. Naglee
11th Maine Infantry Regiment Colonel John C. Caldwell
56th New York Infantry Regiment Colonel Charles H. Van Wyck
52nd Pennsylvania Infantry Regiment Colonel John C. Dodge
104th Pennsylvania Infantry Regiment Colonel William W.H. Davis
Second Brigade Brigadier General William H. Keim
59th New York Infantry Regiment  Colonel William L. Tidball
86th New York Infantry Regiment  Colonel Benjamin P. Baily
85th Pennsylvania Infantry Regiment  Colonel Joshua B. Howell
Third Brigade Brigadier General Innis N. Palmer
76th New York Infantry Regiment Colonel Nelson W. Green  to Washington, Wadsworth’s Com.
77th New York Infantry Regiment Colonel James B. McKean  to 4 Corps, 2 Div., 3 Brig.
85th New York Infantry Regiment Colonel Uriah Davis (disch. 2/6)
Colonel Jonathan S. Belknap
87th New York Infantry Regiment Colonel Stephen Dodge  to 3rd Corps, 3rd Div., 1st Brig.
Division Artillery
Battery A, 1st New York Artillery
Battery H, 1st New York Artillery
7th New York Independent Battery
8th New York Independent Battery

Dix’s Division

Major General John Dix
Infantry
2nd Delaware Infantry Regiment Colonel W. Henry Wharton
21st Indiana Infantry Regiment Colonel James W. McMillan to Butler’s New Orleans Expedition 2/19
10th Maine Infantry Regiment Colonel George L. Beale
1st Maryland Eastern Shore Regiment Colonel James Wallace
2nd Maryland Eastern Shore Regiment Colonel Edward Wilkins
2nd Maryland Infantry Regiment Colonel John Sommer
3rd Maryland Infantry Regiment Colonel John C. McConnell
5th Maryland Infantry Regiment Colonel William L. Schley to Fort Monroe
Patapsco Maryland Guard Colonel James W. McMillan
Baltimore Maryland Light Guard
Purnell Legion Infantry (Maryland)
17th Massachusetts Infantry Regiment Colonel Thomas I.C. Amory
6th Michigan Infantry Regiment Colonel Frederick W. Curtenius to Butler’s New Orleans Expedition 2/22
3rd New York Infantry Regiment Colonel Samuel M. Alford
4th New York Infantry Regiment Colonel Alfred W. Taylor
5th New York Infantry Regiment Colonel Abram Duryea (to BG. 9/10)
Colonel Gouverneur K. Warren
60th New York Infantry Regiment Colonel William B. Hayward
11th Pennsylvania Infantry Regiment Colonel Richard Coulter
87th Pennsylvania Infantry Regiment Colonel George Hay
Division Artillery & Cavalry
Battery A, Maryland Light Artillery
Battery B, Maryland Light Artillery
Battery L, 1st New York Light Artillery from Camp Berry, Washington Defences
2nd United States Artillery, Battery I at Fort McHenry
1st Maryland Cavalry Regiment Colonel Andrew G. Miller
Purnell Legion Cavalry (Maryland)
5th New York Cavalry Regiment Colonel DeForest Othneil

Franklin’s’s Division

Brigadier General William B. Franklin
First Brigade Brigadier General Philip Kearney
1st New Jersey Infantry Regiment Colonel Alfred T. A. Torbert
2nd New Jersey Infantry Regiment Colonel Isaac M. Tucker
3rd New Jersey Infantry Regiment Colonel George W. Taylor
4th New Jersey Infantry Regiment Colonel James H. Simpson
Second Brigade Brigadier General Henry W. Slocum
5th Maine Infantry Regiment Colonel Nathaniel J. Jackson
16th New York Infantry Regiment Colonel Thomas A. Davies
26th New York Infantry Regiment Colonel William H. Christian to Defenses of Washington
27th New York Infantry Regiment Colonel Joseph J. Bartlett
96th Pennsylvania Infantry Regiment Colonel Henry L. Cake
Third Brigade Brigadier General John Newton
18th New York Infantry Regiment Colonel William H. Young
31st New York Infantry Regiment Colonel Calvin E. Pratt
32nd New York Infantry Regiment Colonel Roderick Matheson
95th Pennsylvania Infantry Regiment Colonel John M. Gosline
Division Cavalry and Artillery
1st Massachusetts Battery
Battery A, 1st New Jersey Artillery Captain William Hexamer
Battery F, 1st New York Artillery
Battery D, 2nd United States Artillery
Battery M, 2nd United States Artillery  to Artillery Reserve, Army Potomac
1st New York Cavalry Regiment Colonel Andrew T. McReynolds

Heintzelman’s Division

Brigadier General Samuel P. Heintzelman
First Brigade Brigadier General Israel B. Richardson
2nd Michigan Infantry Regiment Colonel Orlando M. Poe
3rd Michigan Infantry Regiment Colonel Stephen Champlin
5th Michigan Infantry Regiment Colonel Henry D. Terry
37th New York Infantry Regiment Colonel Samuel B. Hayman
Second Brigade Brigadier General John Sedgwck
3rd Maine Infantry Regiment Colonel Henry G. Staples
4th Maine Infantry Regiment Colonel Hiram G. Berry
38th New York Infantry Regiment Colonel John H.H. Ward
40th New York Infantry Regiment Colonel Edward J. Riley
Third Brigade Brigadier General C. D. Jameson
57th Pennsylvania Infantry Regiment Colonel William Maxwell (res. 2/27)
Lieutenant Colonel Charles T. Campbell
61st Pennsylvania Infantry Regiment Colonel Oliver H. Rippey to 4th Corps, 1 Div. 2 Brig.
63rd Pennsylvania Infantry Regiment Colonel Alexander Hays
99th Pennsylvania Infantry Regiment Lieutenant Colonel William Seymour (to 2/25)
Colonel Peter Fritz
to Military District of Washington
105th Pennsylvania Infantry Regiment Colonel Amor A. McKnight
Division Artillery and Cavalry
1st Rhode Island Artilery, Battery E
1st New Jersey Artillery, Battery B
2nd United States Artillery, Battery G
1st New Jersey Cavalry Regiment Colonel William Halstead (disch. 2/18)
Colonel Percy Wyndham
 to District Washington

Hooker’s Division

Brigadier General Joseph Hooker
First Brigade Brigadier General Henry M. Naglee
2nd New Hampshire Infantry Regiment Colonel Gilman Marston
1st Massachusetts Infantry Regiment Colonel Robert Cowdin
11th Massachusetts Infantry Regiment Colonel William Blaisdell
1st Michigan Infantry Regiment Colonel John C. Robertson
26th Pennsylvania Infantry Regiment Colonel William F. Small
Second Brigade Brigadier General Daniel E. Sickles
70th New York Infantry Regiment Colonel William Dwight
71st New York Infantry Regiment Colonel George B. Hall
72nd New York Infantry Regiment Colonel Nelson Taylor
73rd New York Infantry Regiment Colonel William R. Brewster
74th New York Infantry Regiment Colonel Charles K. Graham
Third Brigade Colonel Samuel H. Starr
5th New Jersey Infantry Regiment Colonel Samuel H. Starr
6th New Jersey Infantry Regiment Colonel James T. Hatfield
7th New Jersey Infantry Regiment Colonel Joseph W. Revere
8th New Jersey Infantry Regiment Colonel Adolphus J. Johnson
Division Artillery and Cavalry
4th New York Independent Battery
6th New York Independent Battery
Battery E, 1st United States Artillery to army Artillery Reserve
3rd Indiana Cavalry Regiment Colonel Scott Carter to lower Maryland

Keyes’ Division

Brigadier General Edward D. Keyes
First Brigade Brigadier General Darius N. Couch
2nd Rhode Island Infantry Regiment Colonel Frank Wheaton
7th Massachusetts Infantry Regiment Colonel David A. Russell
10th Massachusetts Infantry Regiment Colonel Henry S. Briggs
36th New York Infantry Regiment Colonel Charles H. Innes
Second Brigade Brigadier General L. P. Graham
65th New York Infantry Regiment Colonel John Cochrane
67th New York Infantry Regiment Colonel Julius W. Adams
23rd Pennsylvania Infantry Regiment Colonel David B. Birney
82nd Pennsylvania Infantry Regiment Colonel David H. Williams
Third Brigade Brigadier General J. J. Peck
55th New York Infantry Regiment Colonel Philip R. DeTrobriand
62nd New York Infantry Regiment Colonel John L. Riker
93rd Pennsylvania Infantry Regiment Colonel James M. McCarter
98th Pennsylvania Infantry Regiment Colonel John F. Balier
102nd Pennsylvania Infantry Regiment Colonel Thomas A. Rowley
Division Artillery
Battery D, 1st Pennsylvania Artillery
Battery H, 1st Pennsylvania Artillery

Lander’s Division

Brigadier General Frederick W. Lander
First Brigade Colonel Nathan Kimball
14th Indiana Infantry Regiment
4th Ohio Infantry Regiment Colonel John Mason
8th Ohio Infantry Regiment Colonel Samuel S. Carroll
67th Ohio Infantry Regiment Colonel Otto Burstenbinder
84th Pennsylvania Infantry Regiment Colonel William Murray
7th West Virginia Infantry Regiment Colonel James Evans
Second Brigade Colonel J. C. Sullivan
13th Indiana Infantry Regiment
39th Illinois Infantry Regiment
5th Ohio Infantry Regiment Colonel Samuel H. Dunning
62nd Ohio Infantry Regiment Colonel Francis B. Pond
66th Ohio Infantry Regiment Colonel Charles Candy
Third Brigade Colonel Erasmus B. Tyler
7th Indiana Infantry Regiment
7th Ohio Infantry Regiment Lt. Colonel William Creighton
29th Ohio Infantry Regiment Colonel Lewis P. Buckley
110th Pennsylvania Infantry Regiment Colonel William D. Lewis
1st West Virginia Infantry Regiment Colonel Joseph Thoburn
Division Artillery
1st Ohio Artillery, Battery H
1st Ohio Artillery, Battery L
1st West Virginia Artillery, Battery A
1st West Virginia Artillery, Battery B
4th United States Artilery, Battery E

McCall’s’s Division

Brigadier General George McCall
First Brigade Brigadier General John Reynolds
1st Pennsylvania Reserves Colonel Richard B. Roberts
2nd Pennsylvania Reserves Colonel William McCandless
5th Pennsylvania Reserves Colonel Seneca G. Simmons
8th Pennsylvania Reserves Colonel George S. Hays
Second Brigade Brigadier General George Meade
3rd Pennsylvania Reserves Colonel Horatio G. Sickel
4th Pennsylvania Reserves Colonel Albert L. Magilton
7th Pennsylvania Reserves Colonel Elisha B. Harvey
11th Pennsylvania Reserves Colonel Thomas F. Gallagher
13th Pennsylvania Reserves Colonel Hugh McNeil
Third Brigade Brigadier General Edward O. C. Ord
6th Pennsylvania Reserves Colonel William Ricketts (disch. 2/27)
9th Pennsylvania Reserves Colonel Conrad F. Jackson
10th Pennsylvania Reserves Colonel John S. McCalmont
12th Pennsylvania Reserves Colonel John H. Taggart
Division Artillery and Cavalry
Battery A, 1st Pennsylvania Artillery
Battery B, 1st Pennsylvania Artillery
Battery G, 1st Pennsylvania Artillery
Battery C, 5th United States Artillery
1st Pennsylvania Cavalry Colonel George D. Bayard

McDowell’s Division

Brigadier General Irwin McDowell
First Brigade Brigadier General Christopher C. Augur
22nd New York Infantry Regiment Colonel Walter Phelps
24th New York Infantry Regiment Colonel Timothy Sullivan
30th New York Infantry Regiment Colonel Edward Frisby
14th New York State Militia Colonel Alfred M. Wood
Second Brigade Brigadier General James S. Wadsworth
12th New York Infantry Regiment Lt. Col. Robert Richardson (to 2/3)
Colonel Henry Weeks
21st New York Infantry Regiment Colonel William F. Rogers
23rd New York Infantry Regiment Colonel Henry C. Hoffman
35th New York Infantry Regiment Colonel Newton B. Lord
80th New York Infantry Regiment Colonel George W. Pratt
Third Brigade Brigadier General Rufus King
2nd Wisconsin Infantry Regiment Colonel Edgar O’Connor
6th Wisconsin Infantry Regiment Colonel Lysander Cutler
7th Wisconsin Infantry Regiment Colonel William W. Robinson
19th Indiana Infantry Regiment Colonel Solomon Meredith
Division Artillery and Cavalry
1st New Hampshire Artillery, Battery D
Pennsylvania Independent Battery D Captain George W. Durell to 1 Div., 1 Corps
1st Rhode Island Artillery, Battery D to 1 Div., 1 Corps
4th United States Artillery, Battery B
2nd New York Cavalry Regiment Col. J. Mansfield Davies

Porter’s Division

Brigadier General Fitz John Porter
First Brigade Brigadier General George W. Morrell
4th Michigan Infantry Regiment Colonel Dwight A. Woodbury
9th Massachusetts Infantry Regiment Colonel Thomas Cass
14th New York Infantry Regiment Colonel James McQuade
62nd Pennsylvania Infantry Regiment Colonel Samuel W. Black
Second Brigade Brigadier General John H. Martindale
13th New York Infantry Regiment Colonel John Pickell
2nd Maine Infantry Regiment Colonel Charles W. Roberts
18th Massachusetts Infantry Regiment Colonel James Barnes
22nd Massachusetts Infantry Regiment Colonel Jesse A. Grove
Third Brigade Brigadier General Daniel Butterfield
16th Michigan Infantry Regiment Colonel Thomas Stockton
17th New York Infantry Regiment Colonel H. Seymour Lansing
25th New York Infantry Regiment Colonel James E. Kerrigan
44th New York Infantry Regiment Colonel Stephen W. Stryker
83rd Pennsylvania Infantry Regiment Colonel John W. McLane
Division Artillery and Cavalry
3rd Massachusetts Battery
5th Massachusetts Battery
Battery E, 2nd United States Artillery to army Artillery Reserve
3rd Pennsylvania Cavalry Regiment Colonel William W. Averell to 3rd Corps  
8th Pennsylvania Cavalry Regiment Colonel David McM. Gregg to 4th Corps

Smith’s Division

Brigadier General William F. Smith
First Brigade Brigadier General W. T. H. Brooks
2nd Vermont Infantry Regiment Colonel Henry Whiting  to 4 Corps, 2 Div., 2 Brig.
3rd Vermont Infantry Regiment Colonel Breed N. Hyde
4th Vermont Infantry Regiment Colonel Edwin H. Stoughton
5th Vermont Infantry Regiment Colonel Henry A. Smalley
6th Vermont Infantry Regiment Colonel Nathan Lord
Second Brigade Brigadier General J. W. Davidson
6th Maine Infantry Regiment Colonel Hiram Burnham to 4 Corps, 2 Div., 1 Brig.
7th Maine Infantry Regiment Colonel Edwin C. Mason to 4 Corps, 2 Div., 3 Brig.
33rd New York Infantry Regiment Colonel Robert F. Taylor to 4 Corps, 2 Div., 3 Brig.
49th New York Infantry Regiment Colonel Daniel D. Bidwell to 4 Corps, 2 Div., 2 Brig. 
Third Brigade Brigadier General Winfield S. Hancock
43rd New York Infantry Regiment Colonel Benjamin F. Baker to 4 Corps, 2 Div., 1 Brig. 
49th Pennsylvania Infantry Regiment Colonel William H. Irwin to 4 Corps, 2 Div., 1 Brig. 
5th Wisconsin Infantry Regiment Colonel Amasa Cobb to 4 Corps, 2 Div., 1 Brig. 
1st U.S. Sharpshooters, Cos. B & E to 3 Corps, 1 Div.
Division Artillery and Cavalry
1st New York Independent Battery Lieutenant Andrew B. Cowan to 4 Corps, 2 Div. Artillery 
3rd New York Independent Battery Captain Thaddeus P. Mott to 4 Corps, 2 Div. Artillery 
1st New York Artillery, Battery E Captain Charles C. Wheeler to 4 Corps, 2 Div. Artillery 
Battery E, 1st Pennsylvania Artillery to 4 Corps, 1 Div. Artillery 
Battery F, 5th United States Artillery Captain Romeyn B. Ayres to 4 Corps, 2 Div. Artillery 
5th Pennsylvania Cavalry Regiment Colonel Max Friedman to 4 Corps, 2 Div. Cavalry

Stone’s Division

Brigadier General Charles P. Stone (arrested February 9)
Brigadier General John Sedgwick
First Brigade Brigadier General W. Gorman
15th Massachusetts Infantry Regiment Colonel Charles Devens
1st Minnesota Infantry Regiment Colonel Alfred Sully (from 2/3)
34th New York Infantry Regiment Colonel William La Deu
2nd New York State Militia Colonel G.W.B. Tompkins
Second Brigade Brigadier General Napoleon J. T. Dana (BG from 2/3)
19th Massachusetts Infantry Regiment Colonel Edward Hinks
20th Massachusetts Infantry Regiment Colonel William R. Lee
7th Michigan Infantry Regiment Colonel Ira Grosvenor
42nd New York Infantry Regiment Colonel Edmund C. Charles
Third Brigade Brigadier General William W. Burns
69th Pennsylvania Infantry Regiment Colonel Joshua Owen
71st Pennsylvania Infantry Regiment Colonel Isaac J. Wistar
72nd Pennsylvania Infantry Regiment Colonel DeWitt C. Baxter
106th Pennsylvania Infantry Regiment Colonel Turner G. Morehead
Division Artillery and Cavalry
Battery B, 1st Rhode Island Artillery
Battery I, 1st United States Artillery
3rd New York Cavalry (3 cos.)  to the defenses of Washington

Sumner’s Division

Brigadier General Edwin V. Sumner
First Brigade Brigadier General Oliver O. Howard
5th New Hampshire Infantry Regiment Colonel Edward E. Cross
61st New York Infantry Regiment Lt. Colonel Francis Barlow
64th New York Infantry Regiment Colonel Thomas J. Parker
81st Pennsylvania Infantry Regiment Colonel James Miller
Second Brigade Brigadier General Thomas F. Meagher
63rd New York Infantry Regiment Colonel John Burke
69th New York Infantry Regiment Colonel Robert Nugent
88th New York Infantry Regiment Colonel Henry M. Baker
Third Brigade Brigadier General William H. French
52nd New York Infantry Regiment Colonel Paul Frank
57th New York Infantry Regiment Colonel Samuel K. Zook
66th New York Infantry Regiment Colonel Joseph C. Pinckney
53rd Pennsylvania Infantry Regiment Colonel John R. Brooke
Division Artillery and Cavalry
Battery B, 1st New York Artillery
Battery G, 1st New York Artillery Captain J. D. Frank
Batteries A&C, 4th United States Artillery
8th Illinois Cavalry Regiment to 2nd Corps Cavalry

Artillery Reserve

Colonel Henry K. Hunt
1st New York Artillery Bn., Battery A Captain Thomas H. Bates
1st New York Artillery Bn., Battery B  Captain Rufus T. Pettit
1st New York Artillery Bn., Battery C
1st New York Artillery Bn., Battery D  Captain Thomas W. Osborn
5th New York Independent Battery
1st United States Artillery, Battery H
1st United States Artillery, Batteries G&K
2nd United States Artillery, Battery A
2nd United States Artillery, Battery B
2nd United States Artillery, Battery L
3rd United States Artillery, Batteries F&K
4th United States Artillery, Battery K
5th United States Artillery, Battery A

Cavalry Reserve

Brigadier General Philip St. George Cooke
McClellan Dragoons (Illinois)
Oneida New York Cavalry Captain Daniel P. Mann
4th Pennsylvania Cavalry Regiment Colonel David Campbell
6th Pennsylvania Cavalry Regiment Colonel Richard H. Rush
1st United States Cavalry Regiment Colonel Benjamin L. Beale (ret. 2/1)
Colonel George A.H. Blake
2nd United States Cavalry Regiment
4th United States Cavalry Regiment
5th United States Cavalry Regiment
6th United States Cavalry Regiment