The Civil War in the East

U.S. Army

Department of Washington, 22nd Army Corps

Major General Samuel P. Heintzelman


The 22nd Army Corps was created on February 2, 1863 by General Order No. 26.

Defences North of the Potomac

Lt. Col. J. A. Haskins


First Brigade

Colonel A. A. Gibson


Second Brigade

Colonel Lewis O. Morris


Third Brigade

Colonel W. R. Pease


Abercrombie's Division

Brigadier General J. J. Abercrombie


Second Brigade

Brig. Gen. Robert Cowden


Third Brigade

Col. William Gurney


Casey's Division

Major General Silas Casey


First Brigade

Col. Francis Fessenden


Second Brigade

Brig. Gen. Edwin H. Stoughton


Third Brigade

Brig. Gen. Alexander Hays


Pennsylvania Reserves Division

Colonel H. G. Sickel


First Brigade

Colonel William McCandless


Army of the Potomac,

1st Corps, 3rd Div.

Second Brigade

Colonel H. C. Bollinger

Third Brigade

Colonel J. W. Fisher

Jewett's Independent Brigade

Colonel A. B. Jewett


23rd Maine Infantry Regiment



39th Massachusetts Infantry Regiment



14th New Hampshire Infantry Regiment



10th Vermont Infantry Regiment



11th New York Cavalry, Cos. E, F & I



10th Massachusetts Independent Battery



Independent Cavalry Brigade

Colonel R. Butler Price


1st Michigan Cavalry Regiment



5th New York Cavalry Regiment


1st Ohio Cavalry Regiment, Cos. A & C


2nd Pennsylvania Cavalry Regiment


18th Pennsylvania Cavalry Regiment


1st Vermont Cavalry Regiment


1st West Virginia Cavalry Regiment


District of Washington

Brig. Gen. J. H. Martindale


2nd District of Columbia Infantry Regiment

Colonel Charles M. Alexander


10th New Jersey Infantry Regiment

Colonel William R. Murphy


118th New York Infantry Regiment



152nd New York Infantry Regiment



169th New York Infantry Regiment



27th Pennsylvania Infantry, Co. F



150th Pennsylvania Infantry, Co. K



157th Pennsylvania Infantry (4 cos.)



District of Alexandria

Brig. Gen. John P. Slough


1st District of Columbia Infantry Regt.



26th Michigan Infantry Regiment



153rd New York Infantry Regiment



11th Rhode Island Infantry Regiment



Artillery, Distict of Alexandria

Brigadier General R. O. Tyler


1st Connecticut Heavy Artillery



19th Connecticut Infantry (Hv. Artillery)



Artillery Brig. S. of the Potomac

Colonel M. Cogswell


1st Massachusetts Heavy Artillery



34th Massachusetts Infantry Regiment



2nd New York Heavy Artillery



3rd New York Heavy Artillery Battalion



1st Wisconsin Heavy Artillery



Light Artillery Camp Camp Berry

Brig. Gen. William F. Berry


1st Delaware Battery



1st Michigan Artillery, Battery I



1st Michigan Artillery, Battery K



1st New York Artillery, Battery A



12th New York Independent Battery



16th New York Independent Battery



19th New York Independent Battery



27th New York Independent Battery



1st West Virginia Artillery, Battery A



Pennsylvania Independent Battery H



About the Author • ©2015 Steve Hawks