The Union order of battle during the

Battle of Gettysburg The Battle of Gettysburg () was fought July 1–3, 1863, in and around the town of Gettysburg, Pennsylvania, by Union and Confederate forces during the American Civil War. In the battle, Union Major General George Meade's Army of the Po ...

includes the

American Civil War The American Civil War (April 12, 1861 – May 26, 1865; also known by other names) was a civil war in the United States. It was fought between the Union ("the North") and the Confederacy ("the South"), the latter formed by states th ...

officers and men of the

Army of the Potomac The Army of the Potomac was the principal Union Army in the Eastern Theater of the American Civil War. It was created in July 1861 shortly after the First Battle of Bull Run and was disbanded in June 1865 following the surrender of the Confedera ...

(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 Major general (abbreviated MG, maj. gen. and similar) is a military rank used in many countries. It is derived from the older rank of sergeant major general. The disappearance of the "sergeant" in the title explains the apparent confusion of a ...

* BG =

Brigadier General Brigadier general or Brigade general is a military rank used in many countries. It is the lowest ranking general officer in some countries. The rank is usually above a colonel, and below a major general or divisional general. When appointed ...

* Col =

Colonel Colonel (abbreviated as Col., Col or COL) is a senior military officer rank used in many countries. It is also used in some police forces and paramilitary organizations. In the 17th, 18th and 19th centuries, a colonel was typically in charge of ...

* Ltc =

Lieutenant Colonel Lieutenant colonel ( , ) is a rank of commissioned officers in the armies, most marine forces and some air forces of the world, above a major and below a colonel. Several police forces in the United States use the rank of lieutenant colone ...

* Maj =

Major Major (commandant in certain jurisdictions) is a military rank of commissioned officer status, with corresponding ranks existing in many military forces throughout the world. When used unhyphenated and in conjunction with no other indicators ...

* Cpt =

Captain Captain is a title, an appellative for the commanding officer of a military unit; the supreme leader of a navy ship, merchant ship, aeroplane, spacecraft, or other vessel; or the commander of a port, fire or police department, election precinct, e ...

* Lt =

Lieutenant A lieutenant ( , ; abbreviated Lt., Lt, LT, Lieut and similar) is a commissioned officer rank in the armed forces of many nations. The meaning of lieutenant differs in different militaries (see comparative military ranks), but it is often sub ...

* Sgt =

Sergeant Sergeant (abbreviated to Sgt. and capitalized when used as a named person's title) is a rank in many uniformed organizations, principally military and policing forces. The alternative spelling, ''serjeant'', is used in The Rifles and other uni ...

Other

* w = wounded * mw = mortally wounded * k = killed * c = captured * m =

missing Missing or The Missing may refer to: Film * ''Missing'' (1918 film), an American silent drama directed by James Young * ''Missing'' (1982 film), an American historical drama directed by Costa-Gavras * ''Missing'' (2007 film) (''Vermist''), a Bel ...

Army of the Potomac

George G. Meade George Gordon Meade (December 31, 1815 – November 6, 1872) was a United States Army officer and civil engineer best known for decisively defeating Confederate General Robert E. Lee at the Battle of Gettysburg in the American Civil War. H ...

, Commanding

General Staff and Headquarters

General Staff: * Chief of Staff: MG

Daniel Butterfield Daniel Adams Butterfield (October 31, 1831 – July 17, 1901) was a New York businessman, a Union general in the American Civil War, and Assistant Treasurer of the United States. After working for American Express, co-founded by his father, ...

(w) * Assistant Adjutant General: BG Seth Williams * Assistant Inspector General: Col Edmund Schriver * Chief Quartermaster: BG

Rufus Ingalls Rufus Ingalls (August 23, 1818 – January 15, 1893) was an American military general who served as the 16th Quartermaster General of the United States Army. Early life and career Ingalls was born in the village of Denmark in what is now Maine ...

* 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 Major Jonathan Letterman (December 11, 1824 – March 15, 1872) was an American surgeon credited as being the originator of the modern methods for medical organization in armies or battlefield medical management. In the United States, Letterman i ...

* Chief of Engineers: BG

Gouverneur K. Warren Gouverneur Kemble Warren (January 8, 1830 – August 8, 1882) was an American civil engineer and Union Army general during the American Civil War. He is best remembered for arranging the last-minute defense of Little Round Top during the Battle ...

(w) * Bureau of Military Information: Col

George H. Sharpe George Henry Sharpe (February 26, 1828 – January 13, 1900) was an American lawyer, soldier, United States Secret Service, Secret Service officer, diplomat, politician, and Member of the Board of General Appraisers. Sharpe was born in 1828, in ...

General Headquarters:
Command of the Provost Marshal General: BG

Marsena R. Patrick Marsena Rudolph Patrick (March 15, 1811 – July 27, 1888) was a college president and an officer in the United States Army, serving as a general in the Union Army, Union volunteer forces during the American Civil War. He was the provost marshal fo ...

* 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 The 6th Pennsylvania Cavalry was a Union Army, Union cavalry regiment during the American Civil War. They were known for their early use of 9-foot lances, and were called "Rush's Lancers." History The regiment was raised during August and Septe ...

(Companies E & I): Cpt James Starr * Regular cavalry
Guards and Orderlies: * Oneida (New York) Cavalry: Cpt Daniel P. Mann
Engineer Brigade: BG

Henry W. Benham Henry Washington Benham (April 17, 1813 – July 1, 1884) was an American soldier and civil engineer who served as a general in the Union Army during the American Civil War. Biography Benham was born at Cheshire, Connecticut. He graduated at the t ...

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

I Corps

MG John F. Reynolds (k)
MG

Abner Doubleday Abner Doubleday (June 26, 1819 – January 26, 1893) was a career United States Army officer and Union major general in the American Civil War. He fired the first shot in defense of Fort Sumter, the opening battle of the war, and had a pi ...

John Newton John Newton (; – 21 December 1807) was an English evangelical Anglican cleric and slavery abolitionist. He had previously been a captain of slave ships and an investor in the slave trade. He served as a sailor in the Royal Navy (after forc ...

General Headquarters: * 1st Maine Cavalry, Company L: Cpt Constantine Taylor

II Corps

Winfield S. Hancock Winfield Scott Hancock (February 14, 1824 – February 9, 1886) was a United States Army officer and the Democratic nominee for President of the United States in 1880. He served with distinction in the Army for four decades, including service ...

(w)
BG

John Gibbon John Gibbon (April 20, 1827 – February 6, 1896) was a career United States Army officer who fought in the American Civil War and the Indian Wars. Early life Gibbon was born in the Holmesburg section of Philadelphia, Pennsylvania, the fourt ...

BG William Hays
General Headquarters: * 6th New York Cavalry, Companies D and K: Cpt Riley Johnson (Escort) *

53rd Pennsylvania Infantry The 53rd Pennsylvania Volunteer Infantry was a volunteer infantry regiment in the Union Army during the American Civil War. History Formation The regiment was organized at Camp Curtin in Harrisburg, Pennsylvania, in the summer of 1861, with Jo ...

, Companies A, B and K: Maj Octavus Bull (Provost Marshal 2nd Corps)

III Corps

MG Daniel E. Sickles (w)
MG

David B. Birney David Bell Birney (May 29, 1825 – October 18, 1864) was a businessman, lawyer, and a Union general in the American Civil War. Early life Birney was born in Huntsville, Alabama, the son of an abolitionist from Kentucky, James G. Birney. The Bi ...

(w)

V Corps

George Sykes George Sykes (October 9, 1822 – February 8, 1880) was a career United States Army officer and a Union General during the American Civil War. He graduated from the United States Military Academy in 1842, and served in numerous conflicts, ...

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

John Sedgwick John Sedgwick (September 13, 1813 – May 9, 1864) was a military officer and Union Army general during the American Civil War. He was wounded three times at the Battle of Antietam while leading his division in an unsuccessful assault against C ...

General Headquarters: * 1st New Jersey Cavalry, Company L and

1st Pennsylvania Cavalry The 1st Pennsylvania Cavalry (14th Reserves / 44th Volunteers) was a cavalry regiment that served in the Union Army as part of the Pennsylvania Reserves infantry division during the American Civil War. Service The 1st Pennsylvania Cavalry (Com ...

, Company H: Cpt William S. Craft

XI Corps

MG Oliver O. Howard
MG

Carl Schurz Carl Schurz (; March 2, 1829 – May 14, 1906) was a German revolutionary and an American statesman, journalist, and reformer. He immigrated to the United States after the German revolutions of 1848–1849 and became a prominent member of the new ...

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. SlocumExercised command of the right wing of the army during a part of the battle. But see Slocum to Meade
December 30, 1863
and Meade to Slocum
February 25, 1864
/ref>
BG

Alpheus S. Williams Alpheus Starkey Williams (September 20, 1810 – December 21, 1878) was a lawyer, judge, journalist, U.S. Congressman, and a Union Army, Union general in the American Civil War. Early life Williams was born in Deep River, Connecticut. He gradua ...

Provost Guard: * 10th Maine Battalion (3 companies): Cpt John D. Beardsley

Cavalry Corps

Alfred Pleasonton Alfred Pleasonton (June 7, 1824 – February 17, 1897) was a United States Army officer and major general of volunteers in the Union cavalry during the American Civil War. He commanded the Cavalry Corps of the Army of the Potomac during the Gett ...

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
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 The ''Official Records of the Union and Confederate Armies in the War of the Rebellion'', commonly known as the ''Official Records of the Union and Confederate Armies'' or Official Records (OR or ORs), is the most extensive collection of Americ ...

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

* Eicher, John H

at Gettysburg Discussion Group website.

External links

{{Battle of Gettysburg American Civil War orders of battle *