Chickamauga Union order of battle

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The following Union Army units and commanders fought in the Battle of Chickamauga of the American Civil War. The Confederate order of battle is listed separately. Order of battle compiled from the army organization[1] during the campaign.[2]

Abbreviations used[edit]

Military Rank[edit]

Other[edit]

Army of the Cumberland[edit]

MG William Rosecrans, Commanding

General Staff
Chief of Staff: BG James A. Garfield

  • Col James Barnett, Chief of Artillery
  • Col William Truesdale
  • Col John P. Sanderson, ADC
  • Col Joseph C. McKibbin, ADC
  • Ltc Calvin Goddard, Adjutant General
  • Ltc Arthur C. Ducat, Inspector General
  • Ltc Henry C. Hodges, Quartermaster General
  • Ltc Samuel Simmons, Commissary of Subsistence
  • Ltc William M. Wiles, Provost Marshal General
  • Maj William M. McMichael, Adjutant General
  • Maj Frank S. Bond, ADC
  • Cpt Horace Porter, Chief of Ordnance
  • Cpt Andrew S. Burt, Acting Inspector General
  • Cpt Hunter Brooke, Acting Judge Advocate General
  • Cpt William E. Merrill, Topographical Engineer
  • Cpt William C. Margedant, Topographical Engineer
  • Cpt Jesse Merrill, Signal Officer
  • Cpt John C. Van Duzer, Telegraph
  • Cpt R.S. Thomas, ADC
  • Cpt James P. Drouillard, ADC
  • Cpt Charles R. Thompson, ADC
  • Cpt William Farrar, ADC
  • Lt M.J. Kelly, Chief of Couriers
  • Lt George Burroughs, Engineer
  • Lt William L. Porter, Acting ADC
  • Lt James K. Reynolds, Acting ADC
  • Glover Perin, Surgeon
  • Henry H. Seys, Surgeon
  • D. Bache, Assistant Surgeon
  • Jeremiah F. Trecy, Chaplain

General Headquarters

Pioneer Brigade
BG James St. Clair Morton, Chief Engineer (w)

  • 1st Pioneer Battalion
  • 2nd Pioneer Battalion
  • 3rd Pioneer Battalion

XIV Corps[edit]

MG George Henry Thomas

Headquarters

Provost guard:

Escort:

Division Brigade Regiments and Others

First Division


      BG Absalom Baird

1st Brigade


   Col Benjamin F. Scribner

2nd Brigade


   BG John C. Starkweather (w)

3rd Brigade


   BG John H. King

Artillery

Second Division


      MG James S. Negley

1st Brigade


   BG John Beatty

2nd Brigade


   Col Timothy R. Stanley (w)
   Col William L. Stoughton

3rd Brigade


   Col William Sirwell

Artillery

Third Division


      BG John Milton Brannan

1st Brigade


   Col John M. Connell

2nd Brigade


   Col John T. Croxton (w)
   Col William H. Hays

3rd Brigade


   Col Ferdinand Van Derveer

Artillery

Fourth Division


      MG Joseph J. Reynolds

1st Brigade[6]


   Col John T. Wilder

2nd Brigade


   Col Edward A. King (k)
   Col Milton S. Robinson

3rd Brigade


   BG John B. Turchin

  • 18th Kentucky: Ltc Hubbard K. Milward (w), Cpt John B. Heltemes
  • 11th Ohio: Col Philander P. Lane
  • 36th Ohio: Col William G. Jones (k), Ltc Hiram F. Devol
  • 92nd Ohio: Col Benjamin D. Fearing (w), Ltc Douglas Putnam, Jr. (w)
Artillery

XX Corps[edit]

MG Alexander McDowell McCook

Headquarters

Provost guard:
81st Indiana Infantry, Company H: Cpt William J. Richards

Escort:
2nd Kentucky Cavalry, Company I: Lt George W. L. Batman

Division Brigade Regiments and Others

First Division


      BG Jefferson C. Davis

1st Brigade[7]


   Col P. Sidney Post

2nd Brigade


   BG William P. Carlin

3rd Brigade


   Col Hans C. Heg (mw)
   Col John A. Martin

Second Division


      BG Richard W. Johnson

1st Brigade


   BG August Willich

2nd Brigade


   Col Joseph B. Dodge

3rd Brigade


   Col Philemon P. Baldwin (k)
   Col William W. Berry

Third Division


      MG Philip Sheridan

1st Brigade


   BG William Haines Lytle (k)
   Col Silas Miller

2nd Brigade


   Col Bernard Laiboldt

3rd Brigade


   Col Luther Prentice Bradley (w)
   Col Nathan H. Walworth

XXI Corps[edit]

MG Thomas Leonidas Crittenden

Headquarters

Escort:
15th Illinois Cavalry, Company K: Cpt Samuel B. Sherer

Division Brigade Regiments and Others

First Division


      BG Thomas J. Wood

1st Brigade


   Col George P. Buell

2nd Brigade[9]


   BG George D. Wagner

3rd Brigade


   Col Charles G. Harker

Artillery

Second Division


      MG John M. Palmer

1st Brigade


   BG Charles Cruft

2nd Brigade


   BG William Babcock Hazen

3rd Brigade


   Col William Grose

Artillery


   Cpt William E. Standart

Unattached

Third Division


      BG Horatio P. Van Cleve

1st Brigade


   BG Samuel Beatty

2nd Brigade


   Col George F. Dick

3rd Brigade


   Col Sidney M. Barnes

Artillery

Reserve Corps[edit]

MG Gordon Granger

Division Brigade Regiments and Others

First division


      BG James B. Steedman

1st Brigade


   BG Walter C. Whitaker

2nd Brigade


   Col John G. Mitchell

Second Division
      --

2nd Brigade


   Col Daniel McCook, Jr.

Cavalry Corps[edit]

BG Robert B. Mitchell

Division Brigade Regiments and Others

First Division


      Col Edward M. McCook

1st Brigade


   Col Archibald P. Campbell

2nd Brigade


   Col Daniel M. Ray

3rd Brigade


   Col Louis D. Watkins

Second Division


      BG George Crook

1st Brigade


   Col Robert H. G. Minty

2nd Brigade


   Col Eli Long

Artillery

Notes[edit]

  1. ^ Multiple commander names indicate command succession of command during the battle or the campaign.
  2. ^ Official Records, Series I, Volume XXX, Part 1, pages 40-47
  3. ^ Not engaged; guarding trains and performing provost duty.
  4. ^ On September 20 the remnants of this battalion, 35 men, served attached to the 19th U.S. Infantry.
  5. ^ Not engaged; train guard.
  6. ^ Detached from its division and serving as mounted infantry.
  7. ^ Not engaged; guarding supply train.
  8. ^ Detached from its brigade and serving as mounted infantry.
  9. ^ Not enganged, detached to Chattanooga.
  10. ^ Stationed at Chattanooga, and not engaged.
  11. ^ Five companies detached as wagon guard.
  12. ^ Not engaged.
  13. ^ Stationed at Whiteside's, and not engaged.
  14. ^ Temporarily attached.

References[edit]