The Armies at Gettysburg > The Army of the Potomac


Organization of the 5th Corps of the Army of the Potomac during the Battle of Gettysburg.

The 5th Corps had 35 infantry regiments and five artillery batteries, organized into three divisions of two or three brigades each plus an artillery brigade. Two brigades consisted entirely of United States Regulars.

5th Corps (monument)
Major General George Sykes (bio)
strength: 10,900 men, 26 guns
casualties: 365 killed, 1,610 wounded, 210 missing, 2,185 total

Headquarters escort

12th New York Infantry, Companies D & E
Captain Henry W. Rider

17th Pennsylvania Cavalry, Companies D&H
Captain William Thompson



1st Division (monument)
Brigadier General James Barnes (wounded July 2)
strength: 3,420 men
casualties: 165 killed, 595 wounded, 145 missing, 905 total


1st Brigade (monument)
Colonel William Stowell Tilton
strength: 655 men
casualties: 12 killed, 102 wounded, 11 missing, 125 total

18th Massachusetts Infantry Regiment (monument)
Colonel joseph Hayes (wounded July 2)

22nd Massachusetts Infantry Regiment (monument)
Lieutenant Colonel Thomas Sherwin, Jr.

1st Michigan Infantry Regiment (monument)
Colonel Ira C. Abbott (wounded)

118th Pennsylvania Infantry Regiment (monument)
Lieutenant Colonel James Gwyn


2nd Brigade (monument)
Colonel Jacob B. Sweitzer
strength: 1,420 men
casualties: 65 killed, 240 wounded, 120 missing, 425 total

9th Massachusetts Infantry Regiment (monument)
Colonel Patrick R. Guiney

32nd Massachusetts Infantry Regiment (monument)
Colonel George L. Prescott (wounded July 2)
Lieutenant Colonel Luther Stephenson, Jr. (wounded July 2)
Major James A. Cunningham

4th Michigan Infantry Regiment (monument)
Colonel Harrison H. Jeffords (mortally wounded July 2)
Lieutenant Colonel George W. Lumbard

62nd Pennsylvania Infantry Regiment (monument)
Lieutenant Colonel James C. Hull


3rd Brigade (monument)
Colonel Strong Vincent (mortally wounded July 2) (monument)
Colonel James C. Rice
strength: 1,335 men
casualties:70 killed, 240 wounded, 120 missing, 430 total

20th Maine Infantry Regiment (monument)
Colonel Joshua L. Chamberlain (wounded July 2) (Medal of Honor)

16th Michigan Infantry Regiment (monument)
Lieutenant Colonel Norval E. Welch

44th New York Infantry Regiment (monument)
Colonel James C. Rice (^ July 2)
Lieutenant Colonel Freeman Conner

83rd Pennsylvania Infantry Regiment (monument)
Captain Orpheus S. Woodward



2nd Division (monument)
Brigadier General Romeyn B. Ayres
strength: 4,020 men
casualties: 165 killed, 800 wounded, 65 missing, 1,030 total


First Brigade (monument)
Colonel Hannibal Day
strength: 1,575 men
casualties: 45 killed, 320 wounded, 20 missing, 385 total

3rd United States Infantry, Companies B, C, E, G, I & K (monument)
Captain Richard G. Lay

4th United States Infantry, Companies C, F, H & K (monument)
Captain Julius W. Adams, Jr.

6th United States Infantry Regiment, Companies D, F, G, H & I (monument)
Captain Levi C. Bootes

12th United States Infantry, (monument)
1st Battalion Companies A-D,
2nd Battalion Companies A, C & D
Captain Thomas S. Dunn

14th United States Infantry, (monument)
1st Battalion Companies A, B, D, E, F & G,
2nd Battalion Companies F & G
Major Grotius R. Giddings


Second Brigade (monument)
Colonel Sidney Burbank
strength: 960 men
casualties: 80 killed, 340 wounded, 30 missing, 450 total

2nd United States Infantry, Companies B, C, F, H, I & K)  (monument)
Major Arthur L. Tracy (wounded July 1)

7th United States Infantry (A, B, E & I) (monument)
Captain David P. Hancock

10th United States Infantry (Companies D, G & H) (monument)
Captain William Clinton

11th United States Infantry (Companies B-G) (monument)
Major Delancey Floyd-Jones

17th United States Infantry Regiment (monument)
1st Battalion Companies A, C, D, G & H, 2nd Battalion Companies A & B
Lieutenant Colonel James D. Greene


Third Brigade (monument)
Brigadier General Stephen H. Weed (killed July 2)
Colonel Kenner Garrard
strength: 1,485 men
casualties: 40 killed, 140 wounded, 20 missing, 200 total

140th New York Infantry Regiment (monument)
Colonel Patrick O’Rorke (mortally wounded July 2)
Lieutenant Colonel Louis Ernst

146th New York Infantry Regiment (monument)
Colonel Kenner Garrard (^ July 2)
Lieutenant Colonel David T. Jenkins

91st Pennsylvania Infantry Regiment (monument)
Lieutenant Colonel Joseph H. Sinex

155th Pennsylvania Infantry Regiment (monument)
Lieutenant Colonel John H. Cain



3rd Division (monument)

Brigadier General Samuel W. Crawford (monument)
strength: 3,965 men
casualties: 26 killed, 181 wounded, 3 missing, 210 total


1st Brigade (monument)
Colonel William McCandless
strength: 1,240 men
casualties: 20 killed, 132 wounded, 3 missing, 155 total

1st Pennsylvania Reserves (9 companies) (monument)
Colonel William C. Talley

2nd Pennsylvania Reserves (monument)
Lieutenant Colonel George A. Woodward

6th Pennsylvania Reserves (monument)
Lieutenant Colonel Wellington H. Ent

13th Pennsylvania Reserves (monument)
Colonel Charles Taylor (killed July 2)
Major William R. Hartshorne


3rd Brigade (monument)
Colonel Joseph W. Fisher
strength: 1,600 men
casualties: 6 killed, 49 wounded, 0 missing, 55 total

5th Pennsylvania Reserves (monument)
Lieutenant Colonel George Dare

9th Pennsylvania Reserves (monument)
Lieutenant Colonel James M. Snodgrass

10th Pennsylvania Reserves (monument)
Colonel Adoniram J. Warner

11th Pennsylvania Reserves (monument)
Colonel Samuel M. Jackson

12th Pennsylvania Reserves (9 companies) (monument)
Colonel Martin D. Hardin



Artillery Brigade (monument)
Captain Augustus R. Martin
strength: 485 men, 26 guns
casualties: 8 killed, 33 wounded, 2 missing, 43 total

3rd Massachusetts Battery (monument)
Lieutenant Aaron F. Walcott
6 Napoleons

1st New York Artillery, Battery C (monument)
Captain Almont Barnes
4 3″ Ordnance Rifles

1st Ohio Artillery, Battery L (monument)
Captain Frank C. Gibbs
6 Napoleons

5th United States Artillery, Battery D (monument)
Captain Charles E. Hazlett (mortally wounded July 2)
1st Lieutenant Benjamin F. Rittenhouse
6 10-pounder Parrott Rifles

5th United States Artillery, Battery I (monument)
1
st Lieutenant Malbone F. Watson (wounded July 2)
2nd Lieutenant Charles C. MacConnel
4 3″ Ordnance Rifles

*Note: the 2nd Brigade of the Pennsylvania Reserves had been left in the Washington Defences