< to March • April 1864 • to May >
Commanded by Major General Franz Sigel
First Division |
Brigadier General Jeremiah C. Sullivan | dissolved in April |
| Second Brigade | Colonel W.P. Maulsby |
|
| 2nd Maryland Eastern Shore Regiment | to 1 Inf. Div. 1 Brig. (below) | |
| Third Brigade | Colonel R.S. Rogers | |
| 18th Connecticut Infantry Regiment | to 1 Inf. Div. 1 Brig. (below) | |
| 116th Ohio Infantry Regiment | to 1 Inf. Div. 1 Brig. (below) | |
| 123rd Ohio Infantry Regiment | Colonel James Washburn | to 1 Inf. Div. 1 Brig. (below) |
| 1st West Virginia Cavalry, Co. K | to 2 Cav. Div. (below) | |
| 5th United States Artillery, Battery B | to Reserve Div. Harpers Ferry (below) | |
| Cavalry Brigade | Colonel William H. Boyd | |
| 1st New York Lincoln Cavalry Regiment | to 1 Cav. Div. 1Brig. (below) | |
| 1st New York Veteran Cavalry Regiment | Colonel Robert F. Taylor | to 1 Cav. Div. 1Brig. (below) |
| 15th New York Cavalry Regiment | to 1 Cav. Div. 2 Brig. (below) | |
| 21st New York Cavalry Regiment | to 1 Cav. Div. 2 Brig. (below) | |
| 1st Maryland Potomac Home Brig. Cavalry | to 1 Cav. Div. 1 Brig. (below) | |
| Artillery | ||
| Maryland Battery B | to 1 Inf. Div. Art. Brig. (below) | |
| 30th New York Independent Battery | to 1 Inf. Div. Art. Brig. (below) | |
| 32nd New York Independent Battery | to Res. Div. (below) | |
| Unattached | ||
| 34th Massachusetts Infantry Regiment | Colonel George D. Wells | to 1 Inf. Div. 2. Brig. (below) |
Second Division |
Brigadier General James A. Mulligan | dissolved in April |
| First Brigade | Colonel M. McCarlin (to 4/2) Colonel J.M. Campbell |
|
| 54th Pennsylvania Infantry Regiment | to 1 Inf. Div. 2 Brig. (below) | |
| 12th West Virginia Infantry Regiment | to 1 Inf. Div. 2 Brig. (below) | |
| 13th West Virginia Infantry Regiment | Colonel William R. Brown | |
| 15th West Virginia Infantry Regiment | Colonel Maxwell McCaslin | |
| Second Brigade | Colonel Joseph Thoburn | |
| 2nd Maryland Infantry, Potomac Home Brig. | ||
| 1st West Virginia Infantry Regiment | to 1 Inf. Div. 2 Brig. (below) | |
| 14th West Virginia Infantry Regiment | Colonel Daniel D. Johnson | to 2 Inf Div. 2 Brig. (below) |
| Third Brigade | Colonel Nathan Wilkinson | |
| 6th West Virginia Infantry Regiment | Colonel Nathan Wilkinson | |
| 4th West Virginia Cavalry | Colonel Joseph Snider | |
Third Division |
Brigadier General George Crook |
|
| First Brigade | Colonel Rutherford B. Hays | |
| 23rd Ohio Infantry Regiment | Lieutenant Colonel James M.S. Comly | to 2 Inf. Div. 1 Brig. (below) |
| 5th West Virginia Infantry Regiment | Colonel Abia A. Tomlinson | to 2 Inf. Div. 1 Brig. (below) |
| 11th West Virginia Infantry Regiment | Lieutenant Colonel Daniel Frost | to 2 Inf. Div. 2 Brig. (below) |
| 13th West Virginia Infantry Regiment | Colonel William R. Brown | to 2 Inf. Div. 1 Brig. (below) |
| 1st West Virginia Cavalry 2 companies | ||
| 3rd West Virginia Cavalry 1 company | ||
| Second Brigade | Colonel Carr B. White | |
| 12th Ohio Infantry Regiment | Colonel Carr B. White | to 2 Inf. Div. 2 Brig. (below) |
| 91st Ohio Infantry Regiment | Colonel John A. Turley | to 2 Inf. Div. 2 Brig. (below) |
| 9th West Virginia Infantry Regiment | Colonel Isaac H. DuVal | to 2 Inf. Div. 2 Brig. (below) |
| 1st Ohio Independent Battery | to 2 Inf. Div. Art. (below) | |
| Third Brigade | Brigadier General Alfred N. Duffie | |
| 34th Ohio Infantry Regiment (mounted) | to 2 Cav. Div. 2 Brig. | |
| 2nd West Virginia Cavalry (2 companies) | to 2 Cav. Div. 2 Brig. | |
| 3rd West Virginia Cavalry (3 compaies) | to 2 Cav. Div. 2 Brig. | |
| First Kentucky Battery | Captain Daniel Glassie | to 2 Cav. Div. 3 Brig. |
Fourth Division |
Brigadier General William W. Averill | |
| First Brigade | Colonel Augustus Moore | |
| 28th Ohio Infantry Regiment | Lieutenant Colonel Gottfried Becker | to 1 Inf. Div. 1 Brig. (below) |
| 10th West Virginia Infantry Regiment | Colonel Thomas M. Harris | |
| West Virginia Battery A | to Res. Div. (below) | |
| Second Brigade | Colonel James M. Schoonmaker | |
| 14th Pennsylvania Cavalry Regiment | to 2 Cav Div. 2 Brig. (below) | |
| 1st West Virginia Cavalry, Co. A | ||
| 3rd West Virginia Cavalry, Co. E, H&I | ||
| Third Brigade | Colonel John H. Oley | |
| 5th West Virginia Cavalry Regiment | Colonel George R. Latham | |
| 7th West Virginia Cavalry Regiment | Colonel John H. Oley | |
| West Virginia Battery B | to 1 Cav. Div. Art. (below) | |
First Infantry Division |
Brigadier General Jeremiah C. Sullivan | Created in April |
| First Brigade | Colonel Augustus Moore | |
| 18th Connecticut Infantry Regiment | from 1 Div. 3 Brig. (above) | |
| 2nd Maryland Eastern Shore Regiment | from 1 Div. 2 Brig. (above) | |
| 28th Ohio Infantry Regiment | Lieutenant Colonel Gottfried Becker | from 4 Div. 1 Brig. (above) |
| 116th Ohio Infantry Regiment | from 1 Div. 3 Brig. (above) | |
| 123rd Ohio Infantry Regiment | from 1 Div. 3 Brig. (above) | |
| Second Brigade | Colonel Joseph Thoburn | |
| 34th Massachusetts Infantry Regiment | from 1 Div. (above) | |
| 5th New York Heavy Artillery, Companies A-D | from Middle Dept. 8 Corps | |
| 54th Pennsylvania Infantry Regiment | from 2 Div. 1 Brig. (above) | |
| 1st West Virginia Infantry Regiment | from 2 Div. 2 Brig. (above) | |
| 12th West Virginia Infantry Regiment | from 2 Div. 1 Brig. (above) | |
| Artillery | ||
| Maryland Battery B | from 1 Div. Ar. (above) | |
| 30th New York Independent Battery | from 1 Div. Ar. (above) | |
Second Infantry Division |
Brigadier General George Crook | Created in April |
| First Brigade | Colonel Rutherford B. Hayes | |
| 23rd Ohio Infantry Regiment | Lieutenant Colonel James M.S. Comly | from 3 Div. 1 Brig. (above) |
| 36th Ohio Infantry Regiment | Colonel Hiram F. Devol | from veterans furlough |
| 5th West Virginia Infantry Regiment | Colonel Abia A. Tomlinson | from Mid. Dept. 8 Corps |
| 13th West Virginia Infantry Regiment | Colonel William R. Brown | from 3 Div 1 Brig. (above) |
| Second Brigade | Colonel Carr B. White | |
| 12th Ohio Infantry Regiment | Colonel Carr B. White | from 3 Div. 2 Brig. (above) |
| 91st Ohio Infantry Regiment | Colonel John A. Turley | from 3 Div. 2 Brig. (above) |
| 9th West Virginia Infantry Regiment | Colonel Isaac H. DuVal | from 3 Div. 2 Brig. (above) |
| 14th West Virginia Infantry Regiment | Colonel Daniel D. Johnson | from 2 Div. 2 Brig. (above) |
| Third Brigade | Colonel Horatio G. Sickel | |
| 3rd Pennsylvania Reserves | Lieutenant Colonel John Clark | from Washington 22 Corps |
| 4th Pennsylvania Reserves | Colonel Richard H. Woolworth | from Washington 22 Corps |
| 11th West Virginia Infantry Regiment | Colonel Daniel Frost | from 3 Div. 1 Brig. (above) |
| 15th West Virginia Infantry Regiment | Colonel Maxwell McCaslin | from 2 Div. 1 Brig. (above) |
| Artillery | ||
| 1st Ohio Independent Battery | from 3 Brig. 2 Div. (above) | |
| First Kentucky Battery | Captain Daniel Glassie | from 3 Div. 3 Brig. (above) |
First Cavalry Division |
Brigadier General Julius Stahel | Created in April |
| First Brigade | Colonel W.B. Tibbetts | |
| 1st Maryland Potomac Home Brig. Cavalry | from 1 Div. Cav. Brig. (above) | |
| 1st New York Lincoln Cavalry Regiment | from 1 Div. Cav. Brig. (above) | |
| 1st New York Veteran Cavalry Regiment | Colonel Robert F. Taylor | from 1 Div. Cav. Brig. (above) |
| 21st New York Cavalry Regiment | ||
| Second Brigade | Colonel J.E. Wynkoop | |
| 15th New York Cavalry Regiment | from 1 Div. Cav. Brig. (above) | |
| 20th Pennsylvania Cavalry Regiment | from PA | |
| 22nd Pennsylvania Cavalry Regiment | Colonel Jacob C. Higgins | from PA |
| Artillery | ||
| West Virginia Battery B | ||
Second Cavalry Division |
Brigadier General William W. Averill | |
| First Brigade | Brig. Gen. A.N. Duffie | |
| 2nd West Virginia Cavalry | from 3 Div. 3 Brig. | |
| 34th Ohio Infantry Regiment (mounted) | from 3 Div. 3 Brig. | |
| 8th Ohio Cavalry Regiment | from Ohio | |
| Second Brigade | Colonel J.M. Schoonmaker | |
| 14th Pennsylvania Cavalry Regiment | from 4 Div. 2 Brig. (above) | |
| 1st West Virginia Cavalry Regiment | reunited from several commands | |
| Third Brigade | Colonel J.H. Oley | |
| 3rd West Virginia Cavalry (3 compaies) | from 3 Div. 3 Brig. (above) | |
| 5th West Virginia Cavalry Regiment | Colonel George R. Latham | from 4 Div. 3 Brig. (above) |
| 7th West Virginia Cavalry Regiment | Colonel John H. Oley | from 4 Div. 3 Brig. (above) |
| Artillery | ||
| 1st West Virginia Artillery, Battery G | from 3 Div. 3 Brig. (above) | |
Reserve Division Harpers Ferry |
Brigadier General Benjamin F. Kelly | |
| Monocacy to Sleepy Hollow | ||
| 1st Maryland Potomac Home Brigade | Colonel W.P. Maulsby | from 1 Div. 2 Brig. (above) |
| Independent (PA) Engineers Company C | Captain George W. Durell | |
| Cavalry | ||
| 1st New York Lincoln Cavalry (detachment) | from 1 Div. Cav. (above) | |
| 12th Pennsylvania Cavalry Regiment | from 1 Div, 3 Brig, (above) | |
| 14th Pennsylvania Cavalry (detachment) | from 4 Div. 2 Brig. (above) | |
| 6th West Virginia Cavalry Regiment | from 4 Div. 3 Brig. (above) | |
| Loudon (Va.) Rangers | from 1 Div (above) | |
| Artillery | ||
| 5th New York Heavy Artillery, Companies I, K, L & M |
from 1 Div. (above) | |
| 17th Indiana Battery | from 4 Div. (above) | |
| 32nd New York Independent Battery | from 1 Div. (above) | |
| West Virginia Artillery, Battery A | from 4 Div. (above) | |
| West Virginia Artillery, Battery D | to 2 Div. 2 Brig. (above) | |
| West of Sleepy Hollow | ||
| 23rd Illinois Infantry Regiment | from 2 Div. 2 Brig. (above) | |
| Cavalry | ||
| Schambeck’s (IL) Ind. Cavalry Co. | from 4 Div. 2 Brig. (above) | |
| 21st New York Cavalry (detacment) | from 1 Div. (above) | |
| 3rd Ohio Independent Cavalry Co. | from 4 Div. 2 Brig. (above) | |
| 22nd Pennsylvania Cavalry (detachment) | ||
| Artillery | ||
| Battery L, 1st Illinois Artillery | from 2 Div. 2 Brig. (above) | |
| West Virginia Artillery, Battery E | from 2 Div. 1 Brig. (above) | |
| West Virginia Artillery, Battery F | from 2 Div. 3 Brig. (above) | |
| West Virginia Artillery, Battery H | from 1 Div. (above) |