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 organizationMultiple commander names indicate command succession of command during the battle or the campaign. during the campaign.Official Records, Series I, Volume XXX, Part 1, pages 40-47
Abbreviations used
Military Rank MG = Major General BG = Brigadier General Col = Colonel Ltc = Lieutenant Colonel Maj = Major Cpt = Captain Lt = 1st Lieutenant
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
MG George Henry Thomas
Headquarters
Provost guard: 9th Michigan Infantry:Not engaged; guarding trains and performing provost duty. Col John Gibson Parkhurst
Escort: 1st Ohio Cavalry, Company L: Cpt John D. Barker
Division Brigade Regiments and OthersFirst 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:On September 20 the remnants of this battalion, 35 men, served attached to the 19th U.S. Infantry. 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 19th Illinois: Ltc Alexander W. Raffen 11th Michigan: Col William L. Stoughton, Ltc Melvin Mudge (w) 18th Ohio: Ltc Charles H. Grosvenor 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 SchultzThird Division
BG John Milton Brannan 1st Brigade
Col John M. Connell 82nd Indiana: Col Morton C. Hunter 17th Ohio: Ltc Durbin Ward (w) 31st Ohio: Ltc Frederick W. Lister 38th Ohio:Not engaged; train guard. Col Edward H. Phelps 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 87th Indiana: Col Newell Gleason 2nd Minnesota: Col James George 9th Ohio: Col Gustave Kammerling 35th Ohio: Ltc Henry Van Ness Boynton 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. SmithFourth Division
MG Joseph J. Reynolds 1st BrigadeDetached from its division and serving as mounted infantry.
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 18th Battery, Indiana Light: Capt. Eli Lilly 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 19th Battery, Indiana Light: Cpt Samuel J. Harris (w), Lt Robert S. Lackey 21st Battery, Indiana Light: Cpt William W. Andrew
XX Corps
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 OthersFirst Division
BG Jefferson C. Davis 1st BrigadeNot engaged; guarding supply train.
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. McLeanSecond Division
BG Richard W. Johnson 1st Brigade
BG August Willich 89th Illinois: Ltc Duncan J. Hall (k), Maj William D. Williams 32nd Indiana: Ltc Francis Erdelmeyer 39th Indiana:Detached from its brigade and serving as mounted infantry. 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 SimonsonThird 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
MG Thomas Leonidas Crittenden
Headquarters
Escort: 15th Illinois Cavalry, Company K: Cpt Samuel B. Sherer
Division Brigade Regiments and OthersFirst 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 BrigadeNot engaged, detached to Chattanooga.
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:Stationed at Chattanooga, and not engaged. Lt William A. Naylor 6th Battery, Ohio Light: Cpt Cullen BradleySecond Division
MG John M. Palmer 1st Brigade
BG Charles Cruft 31st Indiana: Col John T. Smith 1st Kentucky:Five companies detached as wagon guard. 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. RussellUnattached 110th Illinois (battalion):Not engaged. Ltc Ebenezer Hibbard ToppingThird Division
BG Horatio P. Van Cleve 1st Brigade
BG Samuel Beatty 79th Indiana: Col Frederick Knefler 9th Kentucky: Col George H. Cram 17th Kentucky: Col Alexander M. Stout 19th Ohio: Ltc Henry G. Stratton 2nd Brigade
Col George F. Dick 44th Indiana: Ltc Simeon C. Aldrich