Siege of Corinth Union order of battle

The following units and commanders of the Union Army fought at the Siege of Corinth (29 Apr-30 May 1862) of the American Civil War. The Union Army had approximately 150,000 present for duty. The Confederate order of battle is shown separately. Order of battle compiled from the army organization during the siege.

Abbreviations used

Military Rank

MG = Major General
BG = Brigadier General
Col = Colonel
Ltc = Lieutenant Colonel
Maj = Major
Cpt = Captain
Lt = Lieutenant

Other

Department of the Mississippi

MG Henry W. Halleck

Second-in-Command: MG Ulysses S. Grant
Chief of Staff and Chief Engineer: BG George W. Cullum
Chief of Cavalry: BG Andrew J. Smith
Chief Topographical Engineer: Col George Thom
Aide de Camp: Col Norton Parker Chipman
Assistant Adjutant General: Cpt John C. Kelton

District of West Tennessee

MG Ulysses S. Grant

Chief of Staff: Col Joseph D. Webster
Aide de Camp: Col James B. McPherson
Provost Marshal General: Col William S. Hillyer after 3 May
Provost Marshal General: Ltc DeWitt C. Anthony until May'
Assistant Adjutant General: Cpt John A. Rawlins
Chief Commissary: Cpt John Parker Hawkins

Right Wing (Army of the Tennessee)

MG George H. Thomas

Chief of Staff and Asst. Adjutant General: Cpt George E. Flynt

Division	Brigade	Regiments and Others
First Division (Army of the Ohio) MG George H. Thomas until 3 May BG Thomas W. Sherman	1st Brigade BG Albin F. Schoepf	12th Kentucky: Col William A. Hoskins 17th Ohio: Col John M. Connell 31st Ohio: Col Moses B. Walker 38th Ohio: Col Edwin Bradley
	2nd Brigade BG Speed Smith Fry	10th Indiana: Col Mahlon D. Manson 4th Kentucky: Col John T. Croxton 10th Kentucky: Col John M. Harlan 14th Ohio: Col James B. Steedman
	3rd Brigade BG Robert L. McCook	2nd Minnesota: Col James George 9th Ohio: Maj Gustave Kammerling 35th Ohio: Col Ferdinand Van Derveer 18th U.S. Infantry: Ltc Oliver L. Shepherd
	Artillery	Battery D, 1st Michigan Light Artillery Battery A, 1st Ohio Light Artillery
	Cavalry	1st Ohio Cavalry
Second Division BG Thomas A. Davies until 2 June BG Edward Otho Cresap Ord	1st Brigade Col James Tuttle	2nd Iowa: Cpt Richard H. Huston 7th Iowa: Col Elliott Warren Rice "Union Brigade": Ltc John P. Coulter 8th Iowa, Detachment 12th Iowa, Detachment 14th Iowa, Detachment: Cpt Robert W. Healy 58th Illinois, Detachment
	2nd Brigade BG Richard J. Oglesby	9th Illinois: Col August Mersy 12th Illinois: Col Augustus L. Chetlain 81st Ohio: Col Thomas Morton 13th Missouri (22nd Ohio): Col Crafts J. Wright Birge’s Sharpshooters
	3rd Brigade Col Silas Baldwin	7th Illinois: Col Andrew J. Babcock 50th Illinois: Cpt John W. Smith 52nd Illinois: Cpt Edwin A. Bowen 57th Illinois: Ltc Frederick J. Hurlbut
	Artillery Maj John S. Cavender	Battery D, 1st Missouri Light Artillery: Cpt Henry Richardson Battery H, 1st Missouri Light Artillery: Battery I, 1st Missouri Light Artillery: Cpt James T. Buel Battery K, 1st Missouri Light Artillery: Cpt George H. Stone 2nd Michigan Battery
	Cavalry	2nd Illinois Cavalry, 1 squadron: Cpt John R. Hotaling 5th Ohio Cavalry, 3rd Battalion: Maj Charles S. Hayes 4th U.S. Cavalry, Company I: Lt James Powell
Fourth Division BG Stephen A. Hurlbut	1st Brigade BG Jacob G. Lauman	52nd Indiana: Cpt W. L. Guard transferred to 2nd Brigade May 1862 28th Illinois: Col Amory K. Johnson 32nd Illinois: Maj William Hunter 41st Illinois: Col Isaac C. Pugh 53rd Illinois: Col William H.W. Cushman 3rd Iowa: Cpt John B. Smith
	2nd Brigade BG James C. Veatch	25th Indiana: Cpt John Watson Foster 53rd Indiana: Col Walter Q. Gresham 14th Illinois: Col Cyrus Hall 15th Illinois: Col Thomas J. Turner 46th Illinois: Ltc John J. Jones
	Artillery	2nd Illinois, Batteries L and B: Cpt William H. Bolton 1st Missouri, Battery C: Cpt Charles Mann 15th Ohio Battery: Cpt Edward Spear
	Cavalry	5th Ohio Cavalry, 1st and 2nd Battalions: Col William H.H. Taylor
Fifth Division MG William T. Sherman	1st Brigade Col John A. McDowell until 12 May Col Morgan L. Smith	Before 15 May 40th Illinois: Ltc James W. Booth 6th Iowa: Cpt Madison Miner Walden 46th Ohio: Col Thomas Worthington After 15 May 8th Missouri: Ltc James Peckham 55th Illinois: Col David Stuart 54th Ohio: Col Thomas Kilby Smith 57th Ohio: Ltc Americus V. Rice
	2nd Brigade Col David Stuart until 15 May Col John A. McDowell	Before 15 May 55th Illinois: Ltc Oscar Malmborg 54th Ohio: Col Thomas Kilby Smith After 15 May 40th Illinois: Ltc James W. Booth 6th Iowa: Cpt Madison M. Walden 46th Ohio: Col Thomas Worthington 77th Ohio: Col Jesse Hildebrand 6th Indiana Battery
	3rd Brigade Col Jesse Hildebrand until 15 May Col Ralph P. Buckland until 16 May BG James W. Denver	Before 15 May 53rd Ohio: Ltc Robert A. Fulton 57th Ohio: Ltc Americus V. Rice 77th Ohio: Ltc Wills De Haas After 15 May 48th Ohio: Cpt Samuel G.W. Peterson 53rd Ohio: Col Wells Jones 70th Ohio: Col Joseph R. Cockerill 72nd Ohio: Col Ralph P. Buckland
	4th Brigade Col Ralph P. Buckland	48th Ohio: Cpt Richard S. Robbins 70th Ohio: Col Joseph R. Cockerill 72nd Ohio: Cpt Charles G. Eaton Discontinued 15 May
	Artillery Maj Ezra Taylor	1st Illinois Artillery, Battery B: Cpt Samuel E. Barrett 1st Illinois Artillery, Battery E: Lt John A. Fitch 1st Illinois Artillery, Battery H: Cpt Axel Silverparre 1st Illinois Artillery, Battery I: Cpt Edward Bouton 4th Indiana Battery: Lt William Mussman 7th Ohio Battery
	Cavalry Col T. Lyle Dickey	4th Illinois Cavalry, 2nd and 3rd Battalions: Col T. Lyle Dickey Thielemann's Illinois Cavalry, 2 companies: Maj Christian Thielemann
Sixth Division BG Thomas J. McKean until 30 Apr BG Thomas W. Sherman until 3 May BG Thomas J. McKean	1st Brigade Col John L. Doran until 23 May BG John McArthur	21st Missouri: Col David Moore 25th Missouri: Ltc Robert T. Van Horn 16th Wisconsin: Maj Thomas Reynolds 17th Wisconsin: Col John L. Doran, Ltc Adam G. Malloy
	2nd Brigade Col John M. Oliver	15th Michigan: Maj Stephen Walsh 18th Missouri: Ltc John McDermott 18th Wisconsin: Cpt Charles H. Jackson Ford’s Company Illinois Cavalry
	3rd Brigade Col Marcellus M. Crocker	11th Iowa: Ltc William Hall 13th Iowa: Cpt George M. Van Hoesen 15th Iowa: Ltc William Dewey 16th Iowa: Ltc Addison H. Sanders
	Artillery Cpt Andrew Hickenlooper	Battery F, 2nd Illinois Light Artillery: Lt Christian D. Bliss 1st Minnesota Battery: Lt William Pfaender 3rd Ohio Battery: Cpt William S. Williams 5th Ohio Battery: Lt Lewis C. Sawyer 10th Ohio Battery: Cpt Hamilton B. White
	Cavalry	11th Illinois Cavalry, 1st and 2nd Battalions: Col Robert G. Ingersoll

Reserves (Army of the Tennessee)

MG John A. McClernand

Assistant Inspector General: Col Thomas E. G. Ransom

Division	Brigade	Regiments and Others
First Division MG John A. McClernand until 2 May BG John A. Logan until 4 May BG Henry M. Judah until 2 June BG Thomas A. Davies	1st Brigade BG John A. Logan until 2 May Col Michael K. Lawler until 4 May BG John A. Logan	8th Illinois: Ltc Frank L. Rhoads 18th Illinois: Col Michael K. Lawler 30th Illinois: Col Elias Dennis 31st Illinois: Ltc Lyndorf Ozburn 12th Michigan: Col Francis Quinn
	2nd Brigade Col C. Carroll Marsh until 4 May Col Andrew J. Babcock	11th Illinois: Ltc Thomas E. G. Ransom 20th Illinois: Cpt Orton Frisbie 45th Illinois: Col John Eugene Smith 48th Illinois: Maj Manning Mayfield
	3rd Brigade BG Leonard F. Ross	17th Illinois: Maj Francis M. Smith 29th Illinois: Col Charles M. Ferrell 43rd Illinois: Col Adolph Englemann 49th Illinois: Maj William W. Bishop 61st Illinois: Col Jacob Fry
	Artillery	1st Illinois, Battery D: Lt G. S. Wood 2nd Illinois, Battery E: Lt George L. Nispel 14th Indiana Battery 14th Ohio Battery
	Cavalry	4th Illinois Cavalry, 1st Battalion: Ltc William McCullough Carmichael's Company Dollin's Company O'Hartnett's Company Stewart's Company: Cpt Warren Stewart
Third Division MG Lewis Wallace	1st Brigade Col Morgan L. Smith until 12 May BG Alvin P. Hovey	11th Indiana: Col George Francis McGinnis 24th Indiana: Col Alvin P. Hovey 8th Missouri: Ltc James Peckham regiment transferred 15 May
	2nd Brigade Col John M. Thayer	23rd Indiana: Col William L. Sanderson 1st Nebraska: Ltc Robert R. Livingston 20th Ohio: Ltc Manning F. Force 58th Ohio: Ltc Ferdinand F. Rempel
	3rd Brigade Col Charles Whittlesey until May Col Charles R. Woods	56th Ohio: Col Peter Kinney 68th Ohio: Col Samuel H. Steedman 76th Ohio: Maj Willard Warner 78th Ohio: Col Mortimer D. Leggett
	Artillery	1st Illinois Artillery, Battery A: Lt Peter P. Wood 1st Illinois Artillery, Battery F Cogswell's Illinois Battery: Cpt William Cogswell 9th Indiana Battery: Cpt Noah S. Thompson 8th Ohio Battery: Lt John W. Wellshear
	Cavalry	11th Illinois Cavalry, 3rd Battalion: Cpt Otto Funke

Center (Army of the Ohio)

MG Don Carlos Buell

Chief of Staff: Col James Barnet Fry
Assistant Inspector General: Maj Adam J. Slemmer
Assistant Inspector General: Cpt Charles Champion Gilbert
Assistant Quartermaster: Cpt Alvan C. Gillem (until May 1862)
Assistant Quartermaster: Cpt Andrew J. Mackay (May 1862)
Chief Engineer: Cpt James St. Clair Morton

Division	Brigade	Regiments and Others
Second Division BG Alexander M. McCook	4th Brigade BG Lovell H. Rousseau	15th U.S. Infantry, 1st Battalion: Maj John H. King 16th U.S. Infantry, 1st Battalion: Cpt Edwin F. Townsend 19th U.S. Infantry, 1st Battalion: Stephen D. Carpenter 1st Ohio: Col Benjamin F. Smith 6th Indiana: Col Thomas Turpin Crittenden 5th Kentucky: Col Harvey M. Buckley
	5th Brigade Col Frederick S. Stumbaugh	77th Pennsylvania: Col Frederick Stumbaugh 29th Indiana: Col John F. Miller 30th Indiana: Ltc Joseph B. Dodge 34th Illinois: Ltc Hiram Bristol
	6th Brigade BG Richard W. Johnson	15th Ohio: Col Moses R. Dickey 49th Ohio: Col William Harvey Gibson 32nd Indiana: Col August Willich 39th Indiana: Col Thomas J. Harrison
	Artillery Cpt William R. Terrill	Battery A, Kentucky Light Artillery Ohio Battery Pennsylvania Battery Battery H, 5th U.S. Artillery
Fourth Division MG William "Bull" Nelson	10th Brigade Col Jacob Ammen	36th Indiana: Col William Grose 17th Kentucky: Col John McHenry II 6th Ohio: Ltc Nicholas L. Anderson 24th Ohio: Ltc Frederick C. Jones
	19th Brigade Col William B. Hazen	6th Kentucky: Col Walter C. Whitaker 27th Kentucky: Col Charles D. Pennebaker 41st Ohio: Ltc George Mygatt
	22nd Brigade Col Thomas D. Sedgewick until 30 May BG Mahlon D. Manson	31st Indiana: Ltc John Osborn 1st Kentucky: Col David Enyart 2nd Kentucky: Ltc Warner Spencer; Col Thomas D. Sedgewick 20th Kentucky: Ltc Charles S. Hanson
	Artillery	Battery I, 4th U.S. Artillery: Cpt John Mendenhall
	Cavalry Ltc Edward M. McCook	2nd Indiana Cavalry: Ltc Edward M. McCook 3rd Indiana Cavalry, one company
Fifth Division BG Thomas L. Crittenden	11th Brigade BG Jeremiah T. Boyle until 27 May Col Samuel Beatty	19th Ohio: Col Samuel Beatty 59th Ohio: Col James P. Fyffe 9th Kentucky: Col Benjamin C. Grider 13th Kentucky: Col Edward H. Hobson
	14th Brigade BG Horatio P. Van Cleve	13th Ohio: Col William Sooy Smith 11th Kentucky: Col Pierce B. Hawkins 26th Kentucky: Col Stephen G. Burbridge
	Cavalry	3rd Kentucky Cavalry: Col James S. Jackson
	Artillery	Battery G, 1st Ohio Light Artillery Battery H, 4th U.S. Artillery Battery M, 4th U.S. Artillery
Sixth Division BG Thomas J. Wood	15th Brigade BG Milo Hascall	17th Indiana: Col John T. Wilder 58th Indiana: Col George P. Buell 3rd Kentucky: Col Thomas E. Bramlette 26th Ohio: Col Edward P. Fyffe 8th Indiana Battery
	20th Brigade BG James A. Garfield	51st Indiana: Col Abel Streight 13th Michigan: Col Michael Shoemaker 64th Ohio: Col John Ferguson 65th Ohio: Col Charles G. Harker
	21st Brigade Col George D. Wagner	15th Indiana: Col Gustavus A. Wood 57th Indiana: Col Cyrus Hines 24th Kentucky: Col Louis Grisgsby

Left Wing (Army of the Mississippi)

MG John Pope

Chief of Staff: BG Washington L. Elliott after 12 June
Assistant Adjutant General: Maj Speed Butler
Assistant Inspector General: Maj John M. Corse
Assistant Quartermaster: Cpt Philip H. Sheridan

Division	Brigade	Regiments and Others
Cavalry Division BG Gordon Granger	1st Brigade Col William P. Kellogg until 1 June Col John K. Mizner	3rd Michigan Cavalry: Ltc Robert H.G. Minty 7th Illinois Cavalry: Col William P. Kellogg
	2nd Brigade Col Washington Lafayette Elliott until 1 June Col Philip H. Sheridan	2nd Iowa Cavalry: Ltc Edward Hatch 2nd Michigan Cavalry: Col Philip H. Sheridan appointed 25 May
	Artillery	Powell's Battery
Reporting Directly	Reserve Brigade Col William P. Carlin	21st Illinois: Ltc George Peck 38th Illinois: Ltc Daniel H. Gilmer Hotchkiss’ Minnesota Battery
	Artillery Brigade Ltc Warren L. Lothrop	2nd Illinois Light Artillery, Battery I: Cpt Charles M. Barnett Battery M, 1st Missouri Light Artillery: Cpt Albert M. Powell 5th Wisconsin Battery: Cpt Oscar F. Pinney
	Unattached Units	Missouri Engineers: Col Josiah W. Bissell 1st U.S. Infantry: Cpt George A. Williams 4th U.S. Cavalry: Cpt Eugene W. Crittenden

Right Wing

MG William S. Rosecrans assigned 29 May

Division	Brigade	Regiments and Others
First Division BG Eleazar Paine	1st Brigade BG John M. Palmer	22nd Illinois: Ltc Harrison E. Hart 27th Illinois: Ltc Fazilo Harrington 42nd Illinois: Col George W. Roberts 51st Illinois: Col Gilbert W. Cumming
	2nd Brigade Col James D. Morgan until 1 May BG Daniel Tyler	10th Illinois: Ltc John Tillson, Col James D. Morgan 16th Illinois: Col Robert F. Smith 60th Illinois: Col Silas C. Toler 10th Michigan: Col Charles M. Lum 14th Michigan: Col Robert P. Sinclair Yates’ Sharpshooters: Ltc David E. Williams
	Artillery	1st Illinois, Battery C 1st Missouri Artillery, Battery G
Second Division BG David S. Stanley	1st Brigade Col John Groesbeck until 8 July Col Joseph L. Kirby Smith	27th Ohio: Col John W. Fuller 39th Ohio: Col John Groesbeck, Ltc Alfred W. Gilbert 43rd Ohio: Col J.L. Kirby Smith 63rd Ohio: Col John W. Sprague
	2nd Brigade BG Joseph B. Plummer until 29 May Col Robert C. Murphy	26th Illinois: Col John M. Loomis 47th Illinois: Col William Thrush 5th Minnesota: Col Rudolph von Borgersode (joined 10-24 May 1862) 11th Missouri: Col Joseph A. Mower 8th Wisconsin: Col Robert C. Murphy
	Artillery	2nd Iowa Battery 1st Michigan, Battery C 2nd U.S. Artillery, Battery F

Left Wing

BG Schuyler Hamilton assigned 29 May

Division	Brigade	Regiments and Others
Third Division BG Schuyler Hamilton until 29 May BG Joseph B. Plummer	1st Brigade BG Napoleon B. Buford	48th Indiana: Col Norman Eddy 59th Indiana: Col Jesse I. Alexander 5th Iowa: Col William H. Worthington (k, 22 May 1862), Ltc Karl Leopold Matthias 4th Minnesota: Col John B. Sanborn 26th Missouri: Col John H. Holman
	2nd Brigade Col Nicholas Perczel	56th Illinois: Ltc William R. Brown 10th Iowa: Ltc William E. Small 10th Missouri: Col Samuel Holmes 26th Missouri: Col George B. Boomer 80th Ohio: Col Ephraim R. Eckley
	Artillery	11th Ohio Battery: Cap Frank C. Sands Battery G, 1st Missouri Light Artillery Buell’s Battery Missouri Light Artillery 6th Wisconsin Battery 12th Wisconsin Battery
Fourth Division BG Jefferson C. Davis	1st Brigade BG Robert B. Mitchell	22nd Indiana: Maj Michael Gooding 59th Illinois: Col Philip S. Post
Fourth Division BG Jefferson C. Davis	Asboth's Brigade BG Alexander Asboth	2nd Missouri: Col Frederick Schaefer 15th Missouri: Col Francis Joliat 36th Illinois: Col Nicholas Greusel 44th Illinois: Col Charles Knobelsdorff
Fifth Division created 1 June BG Alexander Asboth	1st Brigade Col Nicholas Greusel	36th Illinois: Col Nicholas Greusel 44th Illinois: Col Charles Knobelsdorff
Fifth Division created 1 June BG Alexander Asboth	2nd Brigade Ltc Bernard Laiboldt	2nd Missouri: Maj Francis Ehrler 15th Missouri: Maj Joseph Conrad