Battle of Gettysburg order of battle: Union

The Union order of battle during the Battle of Gettysburg includes the American Civil War officers and men of the Army of the Potomac (multiple commander names indicate succession of command during the three-day battle (July 1–3, 1863)). Order of battle compiled from the army organization during the battle, the casualty returns and the reports.

Abbreviations used

Military rank

• MG = Major General
• BG = Brigadier General
• Col = Colonel
• Ltc = Lieutenant Colonel
• Maj = Major
• Cpt = Captain
• Lt = Lieutenant
• Sgt = Sergeant

Other

• w = wounded
• mw = mortally wounded
• k = killed
• c = captured
• m = missing

Army of the Potomac

MG George G. Meade, Commanding

General Staff and Headquarters

<br /> General Staff:

• Chief of Staff: MG Daniel Butterfield (w)
• Assistant Adjutant General: BG Seth Williams
• Assistant Inspector General: Col Edmund Schriver
• Chief Quartermaster: BG Rufus Ingalls
• Commissaries and subsistence: Col Henry F. Clarke
• Chief of Artillery: BG Henry J. Hunt (w)
• Chief Ordnance Officer: Cpt Daniel W. Flagler
• Chief Signal Officer: Cpt Lemuel B. Norton
• Medical Director: Maj Jonathan Letterman
• Chief of Engineers: BG Gouverneur K. Warren (w)
• Bureau of Military Information: Col George H. Sharpe

<br /> General Headquarters: <br /> Command of the Provost Marshal General: BG Marsena R. Patrick

• 93rd New York: Col John S. Crocker
• 8th United States (8 companies): Cpt Edwin W. H. Read
• 2nd Pennsylvania Cavalry: Col Richard Butler Price
• 6th Pennsylvania Cavalry (Companies E & I): Cpt James Starr
• Regular cavalry

<br /> Guards and Orderlies:

• Oneida (New York) Cavalry: Cpt Daniel P. Mann

<br /> Engineer Brigade: BG Henry W. Benham

• 15th New York Engineers (3 companies): Maj Walter L. Cassin
• 50th New York Engineers: Col William H. Pettes
• U.S. Battalion: Cpt George H. Mendell

I Corps

MG John F. Reynolds (k) <br> MG Abner Doubleday <br> MG John Newton <br> General Headquarters:

• 1st Maine Cavalry, Company L: Cpt Constantine Taylor

II Corps

MG Winfield S. Hancock (w) <br> BG John Gibbon <br> BG William Hays <br> General Headquarters:

• 6th New York Cavalry, Companies D and K: Cpt Riley Johnson (Escort)
• 53rd Pennsylvania Infantry, Companies A, B and K: Maj Octavus Bull (Provost Marshal 2nd Corps)

III Corps

MG Daniel E. Sickles (w) <br> MG David B. Birney (w)

V Corps

MG George Sykes

General Headquarters:

• 12th New York Infantry (Companies D and E): Cpt Henry W. Ryder
• 17th Pennsylvania Cavalry, Companies D and H: Cpt William Thompson

VI Corps

MG John Sedgwick

General Headquarters:

• 1st New Jersey Cavalry, Company L and 1st Pennsylvania Cavalry, Company H: Cpt William S. Craft

XI Corps

MG Oliver O. Howard <br> MG Carl Schurz

General Headquarters:

• 1st Indiana Cavalry, Companies I and K: Cpt Abram Sharra
• 8th New York Infantry (1 company): Lt Hermann Foerster

XII Corps

MG Henry W. Slocum <br> BG Alpheus S. Williams

Provost Guard:

• 10th Maine Battalion (3 companies): Cpt John D. Beardsley

Cavalry Corps

MG Alfred Pleasonton

Headquarter Guards:

• 1st Ohio Cavalry, Company A: Cpt Noah Jones (Second Division)
• 1st Ohio Cavalry, Company C: Cpt Samuel N. Stanford (Third Division)

Artillery Reserve

BG Robert O. Tyler <br> Cpt James M. Robertson

Headquarter Guard:

• 32nd Massachusetts Infantry, Company C: Cpt Josiah C. Fuller

Notes

References

• U.S. War Department, The War of the Rebellion: a Compilation of the Official Records of the Union and Confederate Armies. Washington, DC: U.S. Government Printing Office, 1880–1901.
• Gettysburg National Military Park - The Army of the Potomac at Gettysburg
• Civil War Trust - Gettysburg Union order of battle
• Civilwarhome - Gettysburg Union order of battle
• Gettysburg Discussion Group - Union order of battle
• Eicher, John H. "Gettysburg Order of Battle" at Gettysburg Discussion Group website.

External links