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 during the campaign.
Abbreviations used
Military Rank
Other
- w = wounded
- mw = mortally wounded
- k = killed
Army of the Cumberland
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
- 1st Battalion, Ohio Sharpshooters: Cpt Gershom M. Barber
- 10th Ohio Infantry: Ltc William M. Ward
- 15th Pennsylvania Cavalry: Col William J. Palmer
Pioneer Brigade
BG James St. Clair Morton, Chief Engineer (w)
- 1st Pioneer Battalion
- 2nd Pioneer Battalion
- 3rd Pioneer Battalion
XIV Corps
Main article: XIV Corps (Union Army)
MG George Henry Thomas
Headquarters
Provost guard:
Escort:
- 1st Ohio Cavalry, Company L: Cpt John D. Barker
| Division |
Brigade |
Regiments and Others |
|
First Division
BG Absalom Baird
|
1st Brigade
Col Benjamin F. Scribner
|
- 38th Indiana: Ltc Daniel F. Griffin
- 2nd Ohio: Ltc Obadiah C. Maxwell (w), Maj William T. Beatty (w&c), Cpt James Warnock
- 33rd Ohio: Col Oscar F. Moore
- 94th Ohio: Maj Rue P. Hutchins
- 10th Wisconsin: Ltc John H. Ely (mw&c), Cpt Jacob W. Roby
|
| 2nd Brigade
BG John C. Starkweather (w)
|
- 24th Illinois: Col Geza Mihalotzy (w), Cpt August Mauff
- 79th Pennsylvania: Col Henry A. Hambright
- 1st Wisconsin: Ltc George B. Bingham
- 21st Wisconsin: Ltc Harrison C. Hobart (w), Cpt Charles H. Walker
|
| 3rd Brigade
BG John H. King
|
- 15th United States, 1st Battalion: Cpt Albert B. Dod
- 16th United States, 1st Battalion: Maj Sidney Coolidge (k), Cpt Robert E.A. Crofton
- 18th United States, 1st Battalion: Cpt George W. Smith
- 18th United States, 2nd Battalion: Cpt Henry Haymond
- 19th United States, 1st Battalion: Ltc Samuel K. Dawson (w), Cpt Edmund L. Smith
|
| Artillery |
- 4th Battery, Indiana Light: Lt David Flansburg (w&c), Lt Henry J. Willits
- Battery A, 1st Michigan Light: Lt George W. Van Pelt (k), Lt Almerick W. Wilbur
- Battery H, 5th United States: Lt Howard Mather Burnham (mw), Lt Joshua A. Fessenden (w)
|
|
Second Division
MG James S. Negley
|
1st Brigade
BG John Beatty
|
- 104th Illinois: Ltc Douglas Hapeman
- 42nd Indiana: Ltc William T. B. McIntire
- 88th Indiana: Col George Humphrey
- 15th Kentucky: Col Marion C. Taylor
|
| 2nd Brigade
Col Timothy R. Stanley (w)
Col William L. Stoughton
|
|
| 3rd Brigade
Col William Sirwell
|
- 37th Indiana: Ltc William D. Ward
- 21st Ohio: Ltc Dwella M. Stoughton (mw), Maj Arnold McMahan (w), Cpt Charles H. Vantine
- 74th Ohio: Cpt Joseph Fisher
- 78th Pennsylvania: Ltc Archibald Blakeley
|
| Artillery |
- Bridges' Battery, Illinois Light: Cpt Lyman Bridges
- Battery G, 1st Ohio Light: Cpt Alexander Marshall
- Battery M, 1st Ohio Light: Cpt Frederick Schultz
|
|
Third Division
BG John Milton Brannan
|
1st Brigade
Col John M. Connell
|
|
| 2nd Brigade
Col John T. Croxton (w)
Col William H. Hays
|
- 10th Indiana: Col William B. Carroll (mw), Ltc Marsh B. Taylor
- 74th Indiana: Col Charles W. Chapman
- 4th Kentucky: Ltc P. Burgess Hunt (w), Maj Robert M. Kelly
- 10th Kentucky: Col William H. Hays, Ltc Gabriel C. Wharton
- 14th Ohio: Ltc Henry D. Kingsbury
|
| 3rd Brigade
Col Ferdinand Van Derveer
|
|
| Artillery |
- Battery D, 1st Michigan Light: Cpt Josiah W. Church
- Battery C, 1st Ohio Light: Lt Marco B. Gary
- Battery I, 4th United States: Lt Frank G. Smith
|
|
Fourth Division
MG Joseph J. Reynolds
|
1st Brigade
Col John T. Wilder
|
- 92nd Illinois: Col Smith D. Atkins
- 98th Illinois: Col John J. Funkhouser (w), Ltc Edward Kitchell
- 123rd Illinois: Col James Monroe
- 17th Indiana: Maj William T. Jones
- 72nd Indiana: Col Abram O. Miller
|
| 2nd Brigade
Col Edward A. King (k)
Col Milton S. Robinson
|
- 68th Indiana: Cpt Harvey J. Espy (w)
- 75th Indiana: Col Milton S. Robinson, Ltc William O'Brien
- 101st Indiana: Ltc Thomas Doan
- 105th Ohio: Maj George T. Perkins (w)
|
| 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 |
- 18th Battery, Indiana Light: Cpt Eli Lilly
- 19th Battery, Indiana Light: Cpt Samuel J. Harris (w), Lt Robert S. Lackey
- 21st Battery, Indiana Light: Cpt William W. Andrew
|
XX Corps
Main article: XX Corps (Union Army)
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
Col P. Sidney Post
|
- 59th Illinois: Ltc Joshua C. Winters
- 74th Illinois: Col Jason Marsh
- 75th Illinois: Col John E. Bennett
- 22nd Indiana: Col Michael Gooding
- 5th Battery, Wisconsin Light Artillery: Cpt George Q. Gardner
|
| 2nd Brigade
BG William P. Carlin
|
- 21st Illinois: Col John W. S. Alexander (k), Cpt Chester K. Knight
- 38th Illinois: Ltc Daniel H. Gilmer (k), Cpt Willis G. Whitehurst
- 81st Indiana: Cpt Nevil B. Boone, Maj James E. Calloway
- 101st Ohio: Ltc John Messer (w), Maj Bedan B. McDonald (w), Cpt Leonard D. Smith
- 2nd Battery, Minnesota Light Artillery: Lt Albert Woodbury (mw), Lt Richard L. Dawley
|
| 3rd Brigade
Col Hans C. Heg (mw)
Col John A. Martin
|
- 25th Illinois: Maj Samuel D. Wall (w), Cpt Wesford Taggart
- 35th Illinois: Ltc William P. Chandler
- 8th Kansas: Col John Alexander Martin, Ltc James L. Abernathy
- 15th Wisconsin: Ltc Ole C. Johnson (c)
- 8th Battery, Wisconsin Light Artillery: Lt John D. McLean
|
|
Second Division
BG Richard W. Johnson
|
1st Brigade
BG August Willich
|
- 89th Illinois: Ltc Duncan J. Hall (k), Maj William D. Williams
- 32nd Indiana: Ltc Frank Erdelmeyer
- 39th Indiana: Col Thomas J. Harrison
- 15th Ohio: Ltc Frank Askew
- 49th Ohio: Maj Samuel F. Gray (w), Cpt Luther M. Strong
- Battery A, 1st Ohio Light Artillery: Cpt Wilbur F. Goodspeed
|
| 2nd Brigade
Col Joseph B. Dodge
|
- 79th Illinois: Col Allen Buckner
- 29th Indiana: Ltc David M. Dunn
- 30th Indiana: Ltc Orrin D. Hurd
- 77th Pennsylvania: Col Thomas E. Rose (c), Cpt Joseph J. Lawson
- 20th Battery, Ohio Light Artillery: Cpt John F. Edward Grosskopff
|
| 3rd Brigade
Col Philemon P. Baldwin (k)
Col William W. Berry
|
- 6th Indiana: Ltc Hagerman Tripp (w), Maj Calvin D. Campbell
- 5th Kentucky: Col William W. Berry, Cpt John M. Huston
- 1st Ohio: Ltc Bassett Langdon
- 93rd Ohio: Col Hiram Strong (mw), Ltc William H. Martin
- 5th Battery, Indiana Light Artillery: Cpt Peter Simonson
|
|
Third Division
MG Philip Sheridan
|
1st Brigade
BG William Haines Lytle (k)
Col Silas Miller
|
- 36th Illinois: Col Silas Miller, Ltc Porter C. Olson
- 88th Illinois: Ltc Alexander S. Chadbourne
- 21st Michigan: Col William B. McCreery (w&c), Maj Seymour Chase
- 24th Wisconsin: Ltc Theodore S. West (w&c), Maj Carl von Baumbach
- 11th Battery, Indiana Light Artillery: Cpt Arnold Sutermeister
|
| 2nd Brigade
Col Bernard Laiboldt
|
- 44th Illinois: Col Wallace W. Barrett (w)
- 73rd Illinois: Col James F. Jaquess
- 2nd Missouri: Maj Arnold Beck
- 15th Missouri: Col Joseph Conrad
- Battery G, 1st Missouri Light Artillery: Lt Gustavus Schueler
|
| 3rd Brigade
Col Luther Prentice Bradley (w)
Col Nathan H. Walworth
|
- 22nd Illinois: Ltc Francis Swanwick
- 27th Illinois: Col Jonathan R. Miles
- 42nd Illinois: Col Nathan H. Walworth, Ltc John A. Hottenstein
- 51st Illinois: Ltc Samuel B. Raymond
- Battery C, 1st Illinois Light Artillery: Cpt Mark H. Prescott
|
XXI Corps
Main article: XXI Corps (Union Army)
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
|
- 100th Illinois: Col Frederick A. Bartleson (w&c), Maj Charles M. Hammond
- 58th Indiana: Ltc James T. Embree
- 13th Michigan: Col Joshua B. Culver (w), Maj Willard G. Eaton
- 26th Ohio: Ltc William H. Young
|
| 2nd Brigade
BG George D. Wagner
|
- 15th Indiana: Col Gustavus A. Wood
- 40th Indiana: Col John W. Blake
- 57th Indiana: Ltc George W. Lennard
- 97th Ohio: Ltc Milton Barnes
|
| 3rd Brigade
Col Charles G. Harker
|
- 3rd Kentucky: Col Henry C. Dunlap
- 64th Ohio: Col Alexander McIlvaine
- 65th Ohio: Ltc Horatio N. Whitbeck (w), Maj Samuel C. Brown (mw), Cpt Thomas Powell
- 125th Ohio: Col Emerson Opdycke
|
| Artillery |
- 8th Battery, Indiana Light: Cpt George Estep (w)
- 10th Battery, Indiana Light: Lt William A. Naylor
- 6th Battery, Ohio Light: Cpt Cullen Bradley
|
|
Second Division
MG John M. Palmer
|
1st Brigade
BG Charles Cruft
|
- 31st Indiana: Col John T. Smith
- 1st Kentucky: Ltc Alva R. Hadlock
- 2nd Kentucky: Col Thomas D. Sedgewick
- 90th Ohio: Col Charles H. Rippey
|
| 2nd Brigade
BG William Babcock Hazen
|
- 9th Indiana: Col Isaac C. B. Suman
- 6th Kentucky: Col George T. Shackelford (w), Ltc Richard Rockingham (k), Maj Richard T. Whitaker
- 41st Ohio: Col Aquila Wiley
- 124th Ohio: Col Oliver Hazard Payne (w), Maj James B. Hampson
|
| 3rd Brigade
Col William Grose
|
- 84th Illinois: Col Louis H. Waters
- 36th Indiana: Ltc Oliver H. P. Carey (w), Maj Gilbert Trusler
- 23rd Kentucky: Ltc James C. Foy
- 6th Ohio: Col Nicholas Longworth Anderson (w), Maj Samuel C. Erwin
- 24th Ohio: Col David J. Higgins
|
| Artillery
Cpt William E. Standart
|
- Battery B, 1st Ohio Light: Lt Norman A. Baldwin
- Battery F, 1st Ohio Light: Lt Giles J. Cockerill
- Battery H, 4th United States: Lt Harry C. Cushing
- Battery M, 4th United States: Lt Francis L. D. Russell
|
| Unattached |
- 110th Illinois (battalion): Ltc Ebenezer Hibbard Topping
|
|
Third Division
BG Horatio P. Van Cleve
|
1st Brigade
BG Samuel Beatty
|
|
| 2nd Brigade
Col George F. Dick
|
- 44th Indiana: Ltc Simeon C. Aldrich
- 86th Indiana: Maj Jacob C. Dick
- 13th Ohio: Ltc Elhannon M. Mast (k), Cpt Horatio G. Cosgrove
- 59th Ohio: Ltc Granville A. Frambes
|
| 3rd Brigade
Col Sidney M. Barnes
|
- 35th Indiana: Maj John P. Dufficy
- 8th Kentucky: Ltc James D. Mayhew (c), Maj John S. Clark
- 21st Kentucky: Col Samuel Woodson Price
- 51st Ohio: Col Richard W. McClain (c), Ltc Charles H. Wood
- 99th Ohio: Col Peter T. Swaine
|
| Artillery |
- 7th Battery, Indiana Light: Cpt George R. Swallow
- Battery B, Pennsylvania Light Artillery: Cpt Alanson J. Stevens (k), Lt Samuel M. McDowell
- 3d Battery, Wisconsin Light: Lt Cortland Livingston
|
Reserve Corps
MG Gordon Granger
| Division |
Brigade |
Regiments and Others |
|
First division
BG James B. Steedman
|
1st Brigade
BG Walter C. Whitaker
|
- 96th Illinois: Col Thomas E. Champion
- 115th Illinois: Col Jesse Hale Moore
- 84th Indiana: Col Nelson Trusler
- 22nd Michigan: Col Heber Le Favour (c), Ltc William Sanborn (w), Cpt Alonzo M. Keeler (c)
- 40th Ohio: Ltc William Jones
- 89th Ohio: Col Caleb H. Carlton (c), Cpt Isaac C. Nelson
- 18th Battery, Ohio Light Artillery: Cpt Charles C. Aleshire
|
| 2nd Brigade
Col John G. Mitchell
|
- 78th Illinois: Ltc Carter Van Vleck (w), Lt George Green
- 98th Ohio: Cpt Moses J. Urquhart (w), Cpt Armstrong J. Thomas
- 113th Ohio: Ltc Darius B. Warner
- 121st Ohio: Ltc Henry B. Banning
- Battery M, 1st Illinois Light Artillery: Lt Thomas Burton
|
|
Second Division
--
|
2nd Brigade
Col Daniel McCook, Jr.
|
- 85th Illinois: Col Caleb J. Dilworth
- 86th Illinois: Ltc David W. Magee
- 125th Illinois: Col Oscar F. Harmon
- 52nd Ohio: Maj James T. Holmes
- 69th Ohio: Ltc Joseph H. Brigham
- Battery I, 2nd Illinois Light Artillery: Cpt Charles M. Barnett
|
Cavalry Corps
Main article: Cavalry Corps (Union Army) § Western Cavalry Corps
BG Robert B. Mitchell
| Division |
Brigade |
Regiments and Others |
|
First Division
Col Edward M. McCook
|
1st Brigade
Col Archibald P. Campbell
|
- 2nd Michigan Cavalry: Maj Leonidas S. Scranton
- 9th Pennsylvania Cavalry: Ltc Roswell M. Russell
- 1st Tennessee Cavalry: Ltc James P. Brownlow
|
| 2nd Brigade
Col Daniel M. Ray
|
- 2nd Indiana Cavalry: Maj Joseph B. Presdee
- 4th Indiana Cavalry: Ltc John T. Deweese
- 2nd Tennessee Cavalry: Ltc William R. Cook
- 1st Wisconsin Cavalry: Col Oscar H. LaGrange
- Battery D, 1st Ohio Light Artillery (1 section): Lt Nathaniel M. Newell
|
| 3rd Brigade
Col Louis D. Watkins
|
- 4th Kentucky Cavalry: Col Wickliffe Cooper
- 5th Kentucky Cavalry: Ltc William T. Hoblitzell
- 6th Kentucky Cavalry: Maj Louis A. Gratz
|
|
Second Division
BG George Crook
|
1st Brigade
Col Robert H. G. Minty
|
- 3rd Indiana Cavalry (detachment): Ltc Robert Klein
- 4th Michigan Cavalry: Maj Horace Gray
- 7th Pennsylvania Cavalry: Ltc James J. Seibert
- 4th United States Cavalry: Cpt James B. Mcintyre
|
| 2nd Brigade
Col Eli Long
|
- 2nd Kentucky Cavalry: Col Thomas P. Nicholas
- 1st Ohio Cavalry: Ltc Valentine Cupp (mw), Maj Thomas J. Patten
- 3rd Ohio Cavalry: Ltc Charles B. Seidel
- 4th Ohio Cavalry: Ltc Oliver P. Robie
|
| Artillery |
- Chicago (Illinois) Board of Trade Battery: Cpt James H. Stokes
|
