United States Army


< to November December 1861 • to January >

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
2nd Massachusetts Infantry Regiment Colonel George H. Gordon
19th New York Infantry Regiment Colonel James Ledlie converted to 3rd NY Artillery and transferred to Defences of Washington
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
12th Massachusetts Infantry Regiment Colonel Fletcher Webster
13th Massachusetts Infantry Regiment Colonel Samuel H. Leonard
66th Pennsylvania Infantry Regiment Colonel Alfred W. Chantry
Third Brigade Colonel John W. Stiles
27th Indiana Infantry Regiment Colonel Silas Colgrove  from Indianapolis 9/15
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 from Rochester 11/21
Battery F, 1st Pennsylvania Artillery from Defences Wahington
Pennsylvania Independent Battery F
1st Rhode Island Battery
Battery F, 4th United States Artillery
1st Michigan Cavalry from Army Potomac Cavalry Brig.
3rd New York Cavalry (4 cos.)

Blenker’s Division

Brigadier General Louis Blenker
First Brigade Brigadier General Julius H. Stahel
8th New York Infantry Regiment Colonel Francis Wutschel from Hooker’s Div., Blenker’s Brig.
39th New York Infantry Regiment Colonel Frederick D’Utassy from Hooker’s Div., Blenker’s Brig.
45th New York Infantry Regiment Colonel George Von Amsberg from Casey’s Provisional Brig.
27th Pennsylvania Infantry Regiment Colonel Adolph E. Buschbeck from Hooker’s Div., Blenker’s Brig.
Second Brigade Colonel Adolf Von Steinwehr
29th New York Infantry Regiment Lt. Colonel Clemens Soest from Hooker’s Div., Blenker’s Brig.
54th New York Infantry Regiment Colonel Eugene A. Kozlay from Casey’s Provisional Brig.
68th New York Infantry Regiment Colonel Robert J. Betge from Casey’s Provisional Brig.
73rd Pennsylvania Infantry Regiment Colonel John A. Koltes from Casey’s Provisional Brig.
Third Brigade Colonel Henry Bohlen
58th New York Infantry Regiment Colonel Wladimir Krzyzanowski from New York 11/7
74th Pennsylvania Infantry Regiment Colonel Alexander Schimmelfennig from Hooker’s Div., Blenker’s Brig.
75th Pennsylvania Infantry Regiment Lieutenant Colonel Francis Mahler from Casey’s Provisional Brig.
Unattached units
41st New York Infantry Regiment Colonel Leopold Von Gilsa from Porter’s Div., Martindales Brig.
2nd New York Independent Battery Captain Louis Schirmer from Hooker’s Div., Blenker’s Brig.
13th New York Independent Battery Captain Emil Sturmfels from Stone’s Div, Baker’s Brig.
4th New York Cavalry Regiment Colonel Christian F. Dickel from Hooker’s Div., Blenker’s Brig.

Casey’s Provisional Division

Brigadier General Silas Casey organized as a permanent division
First Brigade Colonel William W.H. Davis
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 (from 12/20)
86th New York Infantry Regiment  Colonel Benjamin P. Baily  from NY 12/23
85th Pennsylvania Infantry Regiment  Colonel Joshua B. Howell
Third Brigade Brigadier General Innis N. Palmer
9th New Jersey Infantry Regiment Colonel Joseph W. Allen from Trenton, NJ 12/6
77th New York Infantry Regiment Colonel James B. McKean
85th New York Infantry Regiment Colonel Uriah L. Davis from Elmira, NY 12/3
87th New York Infantry Regiment Colonel Stephen Dodge from Brooklyn, NY, 12/2
Unattached
5th New Jersey Infantry Regiment Colonel Samuel H. Starr to Hooker’s Div., 3rd Brig.
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
45th New York Infantry Regiment Colonel George Von Amsberg to Blenker’s Div., Stahel’s Brig.
54th New York Infantry Regiment Colonel Eugene Kozlay to Blenker’s Div., Von Steinwehr’s Brig.
64th New York Infantry Regiment Colonel Thomas J. Parker from Elmira 12/10
68th New York Infantry Regiment Colonel Robert J. Betge to Blenker’s Div., Von Steinwehr’s Brig.
73rd Pennsylvania Infantry Regiment Colonel John A. Koltes to Blenker’s Div., Von Steinwehr’s Brig.
75th Pennsylvania Infantry Regt. Colonel Henry Bohlen to Blenker’s Div., Bohlen’s Brig.
Artillery
Battery A, 1st New York Artillery from Camp Berry
Battery H, 1st New York Artillery from Camp Berry
7th New York Independent Battery from Camp Berry
8th New York Independent Battery from NY 12/7

Dix’s Division

Major General John Dix
Infantry
2nd Delaware Infantry Regiment Colonel W. Henry Wharton
21st Indiana Infantry Regiment Colonel James W. McMillan
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
Patapsco Maryland Guard Colonel James W. McMillan
Baltimore Maryland Light Guard
Purnell Legion Infantry (Maryland)
10th Maine Infantry Regiment Colonel George L. Beale
17th Massachusetts Infantry Regiment Colonel Thomas I.C. Amory
6th Michigan Infantry Regiment Colonel Frederick W. Curtenius
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 and Cavalry
Battery A, Maryland Light Artillery
Battery B, Maryland Light Artillery
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 W. B. Franklin
First Brigade Brigadier General Philip Kearney
1st New Jersey Infantry Regiment Colonel Alfred T. A. Torbert
2nd New Jersey Infantry Regiment Col. George W. McLean (res. 12/31)
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
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
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
61st Pennsylvania Infantry Regiment Colonel Oliver H. Rippey
63rd Pennsylvania Infantry Regiment Colonel Alexander Hays
99th Pennsylvania Infantry Regiment Colonel Thomas Sweeney
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

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 (Original) Brigadier General Louis Blenker
8th New York Infantry Regiment Colonel Francis Wutschel to Blenker’s Div., 1st Brig.
29th New York Infantry Regiment Colonel Adolph Von Steinwehr to Blenker’s Div., 2nd Brig.
39th New York Infantry Regiment Colonel Frederick G. D’Utassy to Blenker’s Div., 1st Brig.
27th Pennsylvania Infantry Regiment Colonel M. Einstein to Blenker’s Div., 1st Brig.
2nd New York Independent Battery to Blenker’s Div. 
4th New York Cavalry Regiment  Colonel Christian F. Dickel to Blenker’s Div. 
Third Brigade (Reconstituted) Colonel Samuel H. Starr
5th New Jersey Infantry Regiment Colonel Samuel H. Starr from Casey’s Provisional Brig.
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
6th New York Independent Battery from Stone’s Division
Battery E, 1st United States Artillery
3rd Indiana Cavalry Regiment Colonel Scott Carter

Keyes’ (Buell’s) 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 Joseph H. Wheelock
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
66th New York Infantry Regiment Colonel Joseph C. Pinckney to French’s Brig., Sumner’s Div.
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

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 Charles J. Biddle (res. 12/11)
Lieutenant Colonel Thomas Kane (w 12/20)
Captain Hugh McNeil
Third Brigade Brigadier General Edward O. C. Ord
6th Pennsylvania Reserves Colonel William W. Ricketts
9th Pennsylvania Reserves Colonel Conrad F. Jackson
10th Pennsylvania Reserves Colonel John S. McCalmont
12th Pennsylvania Reserves Colonel John H. Taggart
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. Colonel Robert M. Richardson
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 Joseph Vandor
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
1st Rhode Island Artillery, Battery D
4th United States Artillery, Battery B
2nd New York Cavalry Regiment Colonel J. Mansfield Davies (dis. 12/6)
Colonel Judson Kilpatrick

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
41st New York Infantry Regiment Colonel Leopold Von Gilsa  to Blenker’s Division (above)
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
41st New York Infantry Regiment Colonel Stephen W. Stryker
83rd Pennsylvania Infantry Regiment Colonel John W. McLane
Division Artillery and Cavalry
3rd Massachusetts Battery from Massachusetts 12/27
5th Massachusetts Battery from Massachusetts 12/27
Battery E, 2nd United States Artillery
3rd Pennsylvania Cavalry Regiment Colonel William W. Averell
8th Pennsylvania Cavalry Regiment Colonel Ernest Cormann (dis. 12/31)
Colonel David McM. Gregg

Smith’s Division

Brigadier General William F. Smith
First Brigade Brigadier General W. T. H. Brooks
2nd Vermont Infantry Regiment Colonel Henry Whiting
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 Col. Abner Knowles (res. 12/11)
Colonel Hiram Burnham
7th Maine Infantry Regiment Colonel Edwin C. Mason
33rd New York Infantry Regiment Colonel Robert F. Taylor
49th New York Infantry Regiment Colonel Daniel D. Bidwell
79th New York Infantry Regiment
Third Brigade Brigadier General Winfield S. Hancock
43rd New York Infantry Regiment Colonel Benjamin F. Baker
47th Pennsylvania Infantry Regiment Colonel Tighman H. Good
49th Pennsylvania Infantry Regiment Colonel William H. Irwin
5th Wisconsin Infantry Regiment Colonel Amasa Cobb
1st U.S. Sharpshooters, Cos. B & E
Division Artillery and Cavalry
1st New York Independent Battery Captain Terrance J. Kennedy from Auburn, NY, 12/4
New York Artillery, Battery B/
3rd New York Battery
Captain Thaddeus P. Mott renamed 3rd New York Battery 12/7
1st New York Artillery, Battery E Captain John Stocum
Battery E, 1st Pennsylvania Artillery
Battery F, 5th United States Artillery Captain Romeyn B. Ayres
5th Pennsylvania Cavalry Regiment Colonel Max Friedman

Stone’s Division

Brigadier General Charles P. Stone
First Brigade Brigadier General W. Gorman
34th New York Infantry Regiment Colonel William La Deu
42nd New York Infantry Regiment
2nd New York State Militia Colonel G.W.B. Tompkins
1st Minnesota Infantry Regiment
15th Massachusetts Infantry Regiment Colonel Charles Devens
Second Brigade Colonel Napoleon J. T. Dana
19th Massachusetts Infantry Regiment Colonel Edward Hinks
20th Massachusetts Infantry Regiment
7th Michigan Infantry Regiment Colonel Ira Grosvenor
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
6th New York Independent Battery  to Hooker’s Division
13th New York Independent Battery  to Blenker’s Division
Battery I, 1st United States Artillery
3rd New York Cavalry (3 cos.)

Sumner’s Division

Brigadier General Edwin V. Sumner
First Brigade Brigadier General Oliver O. Howard
5th New Hampshire Infantry Regiment Colonel Edward E. Cross
4th Rhode Island Infantry Regiment Colonel Isaac P. Rodman to Burnside’s Expeditition, 3rd Bde.
61st New York Infantry Regiment Colonel Spencer W. Cone
64th New York Infantry Regiment Colonel Thomas J. Parker from Casey’s Div. 12/10
81st Pennsylvania Infantry Regiment Colonel James Miller
Second Brigade Brigadier General Thomas F. Meagher
63rd New York Infantry Regiment Colonel Richard C. Enright
69th New York Infantry Regiment Colonel Robert Nugent
88th New York Infantry Regiment Colonel Henry M. Baker from New York 12/16
Third Brigade Brigadier General William H. French
52nd New York Infantry Regiment Colonel Paul Frank
57th New York Infantry Regiment Colonel Samuel K. Zook
53rd Pennsylvania Infantry Regiment Colonel John R. Brooke
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  from Defences Washington

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 George Stoneman
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 from Philadelphia 12/10
5th United States Cavalry Regiment
6th United States Cavalry Regiment Lieutenant Colonel William H. Emory from Camp of Instruction, Washington

Cavalry Reserve

2nd United States Cavalry Regiment

Defenses of Washington

Garrison Alexandria
88th Pennsylvania Infantry Regiment
Fort Albany
14th Massachusetts Infantry Regiment
Fort Washington
37th New York Infantry, Cos. H&I