United States Army


< to November • December 1863 • to January >

Commanded by Brigadier General Benjamin F. Kelly

The department went through a major reorganization in December creating four divisions. The Maryland Heights Division and the Martinsburg Brigade became the First Division. Campbells’ Mullingans,  and Wilkinson’s Separate Brigades of Scammon’s Division were formed into the Second Division. Averill’s Separate Brigade was expanded into Averill’s Cavalry Division.

First Division Brigadier General Jeremiah C. Sullivan created on December 10
First Brigade Colonel George D. Wells from MD Heights Div. 1 Brig. (below)
9th Maryland Infantry, Companies A-C Colonel Benjamin L. Simpson
10th Maryland Infantry Regiment Colonel William H. Revere
34th Massachusetts Infantry Regiment Colonel George D. Wells
12th West Virginia Infantry Regiment from Martinsburg (below)
17th Indiana Battery
1st Pennsylvania Artillery, Battery C
1st West Virginia Artillery, Battery A from Md Heights Div. (below)
Second Brigade Colonel W.P. Maulsby
from MD Heights Div. 2 Brig. (below)
1st Maryland Potomac Home Brigade Colonel W.P. Maulsby
2nd Maryland Eastern Shore Regiment Colonel Robert S. Rogers
Maryland Battery B
30th New York Indendent Battery from Martinsburg (below)
32nd New York Indendent Battery
Third Brigade from Martinsburg (below)
18th Connecticut Infantry Regiment
116th Ohio Infantry Regiment
123rd Ohio Infantry Regiment Colonel James Washburn
12th Pennsylvania Cavalry Regiment
1st West Virginia Cavalry, Co. K
5th United States Artillery, Battery B from unattached (below)
Cavalry Brigade
20th Pennsylvania Cavalry Regiment from Campbell’s Sep. Brig. (below)
1st Maryland Potomac Home Brig. Cavalry from MD Heights Div.
Artillery
5th New York Heavy Artillery,
Companies A, I, K, L & M
from Washington, 22 Corps
Pennsylvania Heavy Artillery Company
1st West Virginia Artillery, Battery H organized at MD Heights
Unattached
Independent (PA) Engineers Company C Captain George W. Durell
Loudon (Va.) Rangers from MD Heights Div. 2 Brig.
Second Division Brigadier General James A. Mulligan created on December 10
First Brigade Colonel M. McCarlin from Campbell’s Sep. Brig.
54th Pennsylvania Infantry Regiment
15th West Virginia Infantry Regiment Colonel Maxwell McCaslin
West Virginia Artillery, Battery E from 8 Corps 1 Div. 4 Brig.
Second Brigade Colonel Joseph Thoburn
23rd Illinois Infantry Regiment from Mulligan’s Sep. Brig.
2nd Maryland Infantry, Potomac Home Brig. from Mulligan’s Sep. Brig.
1st West Virginia Infantry Regiment from Campbell’s Sep. Brig.
14th West Virginia Infantry Regiment Colonel Daniel D. Johnson from Mulligan’s Sep. Brig.
Lafayette (PA) Cavalry Company Captain Alex V. Smith from Campbell’s Sep. Brig.
Ringgold (PA) Cavalry from Campbell’s Sep. Brig.
Washington Co. (PA) Cavalry from Campbell’s Sep. Brig.
Battery L, 1st Illinois Artillery from Mulligan’s Sep. Brig.
1st West Virginia Artillery, Battery D from Mulligan’s Sep. Brig.
Third Brigade Colonel Nathan Wilkinson from Wilkinson’s Sep. Brig.
6th West Virginia Infantry Regiment Colonel Nathan Wilkinson from Wilkinson’s Sep. Brig. (below)
11th West Virginia Infantry Regiment Lieutenant Colonel Daniel Frost from Wilkinson’s Sep. Brig. (below)
4th West Virginia Cavalry Colonel Joseph Snider from Wilkinson’s Sep. Brig. (below)
West Virginia Artillery, Battery F from Washington, Camp Barry
Scammon’s Division/
Third Division
Brigadier General Eliakim Scammon redesignated on Dec. 10
First Brigade Colonel Rutherford B. Hays
23rd Ohio Infantry Regiment Lieutenant Colonel James M.S. Comly
5th West Virginia Infantry Regiment Colonel Abia A. Tomlinson
13th West Virginia Infantry Regiment Colonel William R. Brown
1st West Virginia Cavalry 2 cos.
3rd West Virginia Cavalry Company G to 3 Brig. (below)
Simmond’s Kentucky Battery Captain Daniel Glassie to 3 Brig. (below)
Second Brigade Colonel Carr B. White
12th Ohio Infantry Regiment Colonel Carr B. White
91st Ohio Infantry Regiment Colonel John A. Turley
2nd West Virginia Cavalry Cos. G & K to 3 Brig. (below)
3rd West Virginia Cavalry Company D to 3 Brig. (below)
9th West Virginia Infantry Regiment Colonel Isaac H. DuVal
1st Ohio Independent Battery
Third Brigade Colonel Freeman E. Franklin
34th Ohio Infantry Regiment (mounted)
2nd West Virginia Cavalry (2 companies)
3rd West Virginia Cavalry (2 compaies) from 1 Brig. (above)
Simmond’s Kentucky Battery Captain Daniel Glassie from 1 Brig. (above)
Campbell’s Separate Brigade Colonel J. M. Campbell dissolved 12/10
20th Pennsylvania Cavalry Regiment to 1 Div. 3 Brig. (above)
54th Pennsylvania Infantry Regiment to 2 Div. 1 Brig. (above)
Lafayette (PA) Cavalry Company Captain Alex V. Smith to 2 Div. 2 Brig. (above)
Ringgold (PA) Cavalry to 2 Div. 2 Brig. (above)
Washington Co. (PA) Cavalry to 2 Div. 2 Brig. (above)
1st West Virginia Infantry Regiment Colonel Joseph Thoburn to 2 Div. 2 Brig. (above)
15th West Virginia Infantry Regiment Colonel Maxwell McCaslin to 2 Div. 1 Brig. (above)
West Virginia Artillery, Battery E to 2 Div. 1 Brig. (above)
Mulligan’s Separate  Brigade Colonel James A. Mulligan dissolved 12/10
23rd Illinois Infantry Regiment to 2 Div. 2 Brig. (above)
Battery L, 1st Illinois Artillery to 2 Div. 2 Brig. (above)
2nd Maryland Infantry, Potomac Home Brig. to 2 Div. 2 Brig. (above)
Pennsylvania Heavy Artillery Company to 2 Div. 2 Brig. (above)
14th West Virginia Infantry Regiment Colonel Daniel D. Johnson to 2 Div. 2 Brig. (above)
1st West Virginia Artillery, Battery D to 2 Div. 2 Brig. (above)
Wilkinson’s Separate Brigade Colonel Nathan Wilkinson
4th West Virginia Cavalry Colonel Joseph Snider to 2 Div. 3 Brig. (above)
6th West Virginia Infantry Regiment Colonel Nathan Wilkinson to 2 Div. 3 Brig. (above)
11th West Virginia Infantry Regiment Lieutenant Colonel Daniel Frost to 2 Div. 3 Brig. (above)
Averill’s Separate Brigade Brigadier General W. W. Averill
Expanded to a division (below)
Schambeck’s (IL) Ind. Cavalry Co. Captain Frederick Schambeck to 4 Div. 2 Brig. (below)
3rd Ohio Independent Cavalry Co. to 4 Div. 2 Brig. (below)
28th Ohio Infantry Regiment Colonel August Moor to 4 Div. 1 Brig. (below)
14th Pennsylvania Cavalry Regiment to 4 Div. 2 Brig. (below)
2nd West Virginia Infantry Regiment Colonel George R. Latham to 4 Div. 3 Brig. (below)
3rd West Virginia Infantry Regiment Colonel David T. Hewes to 4 Div. 3 Brig. (below)
8th West Virginia Infantry Regiment Colonel John H. Oley to 4 Div. 3 Brig. (below)
10th West Virginia Infantry Regiment Colonel Thomas M. Harris to 4 Div. 1 Brig. (below)
West Virginia Battery B to 4 Div. 1 Brig. (below)
West Virginia Battery G to 4 Div. 1 Brig. (below)
1st West Virginia Cavalry, Co. A to 4 Div. 2 Brig. (below)
3rd West Virginia Cavalry, Co. E, H&I to 4 Div. 2 Brig. (below)
Fourth Division Brigadier General W. W. Averill from Averill’s Brig. 12/10
First Brigade Lieutenant Colonel M.S. Hall
28th Ohio Infantry Regiment
10th West Virginia Infantry Regiment
West Virginia Artillery, Battery A
West Virginia Battery B to 4 Div. 1 Brig. (below)
West Virginia Battery G to 4 Div. 1 Brig. (below)
Second Brigade Colonel James M. Schoonmaker from Averill’s Sep. Brig.
Schambeck’s (IL) Ind. Cavalry Co.
3rd Ohio Independent Cavalry Co.
14th Pennsylvania Cavalry Regiment
17th Indiana Battery from Md. Heights Div. (below)
1st West Virginia Cavalry, Co. A
3rd West Virginia Cavalry, Co. E, H&I
Third Brigade Colonel John H. Oley from Averill’s Sep. Brig.
2nd West Virginia Infantry Regiment (Mounted) Colonel George R. Latham
3rd West Virginia Infantry Regiment (Mounted) Colonel David T. Hewes
8th West Virginia Infantry Regiment (Mounted) Colonel John H. Oley
West Virginia Battery B
Maryland Heights Division Brigadier General J.C. Sullivan to 1 Div. (above)
First Brigade Colonel George D. Wells
9th Maryland Infantry Regiment
10th Maryland Infantry Regiment to Mid. Dept. 8 Corps 2 Sep. Brig.
34th Massachusetts Infantry Regiment Colonel George D. Wells
1st Connecticut Cavalry Cos. A,B & E
6th Michigan Cavalry Cos. I&M
1st Maryland Potomac Home Brig. Cavalry to 1 Div. Cav. Brig. (above)
17th Indiana Battery to 4th Div. 2 Brig. (above)
1st Pennsylvania Artillery, Battery C
Second Brigade Colonel W.P. Maulsby
1st Maryland Potomac Home Brigade Colonel W.P. Maulsby to 1 Div. 2 Brig. (above)
1st Maryland Eastern Shore Regiment Colonel James Wallace to 1 Div. 2 Brig. (above)
2nd Maryland Eastern Shore Regiment Colonel Robert S. Rogers to 1 Div. Cav. Brig. (above)
Loudon (Va.) Rangers to 1 Div. unattached (above)
Maryland Battery B to 1 Div. 2 Brig. (above)
32nd New York Indendent Battery to 1 Div. 2 Brig. (above)
Unattached
1st Massachusetts Heavy Artillery (Cos. B,C,H&I) to 22 Corps Defenses S. Potomac
1st West Virginia Artillery, Battery A to 1 Div. 1 Brig. (above)
Martinsburg Colonel A.T. McReynolds
30th New York Independent Battery to 1 Div. 2 Brig.
116th Ohio Infantry Regiment to 1 Div. 3 Brig. (above)
123rd Ohio Infantry Regiment Colonel James Washburn to 1 Div. 3 Brig. (above)
12th Pennsylvania Cavalry Regiment to 1 Div. 3 Brig. (above)
12th West Virginia Infantry Regiment to 1 Div. 1 Brig. (above)
1st West Virginia Cavalry, Co. K to 1 Div. 3 Brig. (above)
3rd West Virginia Cavalry, Cos. D&E
Unattached
18th Connecticut Infantry Regiment to 1 Div. 3 Brig. (above)
1st Pennsylvania Artillery, Battery D to 1 Div. 1 Brig. (above)
5th United States Artillery, Battery B to 1 Div. 3 Brig. (above)