The following units and commanders of the Union Army fought at the Mobile campaign of the American Civil War involving the battles of Spanish Fort and Fort Blakeley. The units engaged against Spanish Fort involved Veatch's Division, Benton's Division and Henry Bertram's Brigade from the XIII Corps along with McArthur's Division and Carr's Division from the XVI Corps. The units engaged against Fort Blakeley involved Veatch's Division and Andrews' Division (minus Bertram's brigade) from the XIII Corps, Garrard's Division from the XVI Corps and Steele's Pensacola Column.^[1] The Confederate order of battle is shown separately.

This order of battle covers the period of March–April 1865. For the Union and Confederate forces at the Battle of Mobile Bay from August 2–23, 1864, see: Mobile Bay order of battle.

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

Army of West Mississippi

Main article: Army of West Mississippi

MG Edward R. S. Canby, 45,200^[2]

General Staff

Chief-of-Staff: MG Peter J. Osterhaus
Provost Marshal: BG George L. Andrews
Aide-de-Camp: Brevet BG Cyrus B. Comstock
Chief Engineer: Brevet Col Miles D. McAlester
Asst. Adjutant General: Ltc Christian T. Christensen
Asst. Inspector General: Ltc John M. Wilson
Quartermaster: Ltc Charles G. Sawtelle
Commissary of Subsistence: Ltc Chester Bingham Hinsdill

Division	Brigade	Regiments and others
Headquarters units	Engineer Brigade BG Joseph A. Bailey, 1,500^[2]	96th U.S.C.T.: Col John C. Cobb 97th U.S.C.T.: Ltc George A. Harmount, Col George D. Robinson 1st Company of Pontoniers: Cpt John J. Smith
Headquarters units	Siege Trains BG James Totten, 1,200^[2]	1st Indiana Heavy Artillery (7 companies): Col Benjamin F. Hays 18th Battery, New York Light Artillery: Cpt Albert G. Mack

XIII Corps

Main article: XIII Corps (Union Army)

MG Gordon Granger, 13,200, excluding 2nd and 3rd Brigades, 2nd Division^[2]

Division	Brigade	Regiments and others
1st Division BG James C. Veatch	1st Brigade BG James R. Slack	99th Illinois Infantry (five companies): Ltc Asa C. Matthews 47th Indiana Infantry: Ltc John A. McLaughlin 21st Iowa Infantry: Ltc Salue G. VanAnda 29th Wisconsin Infantry: Ltc Bradford Hancock
	2nd Brigade BG Elias S. Dennis	8th Illinois Infantry: Col Josiah A. Sheetz 11th Illinois Infantry: Col James Henry Coates 46th Illinois Infantry: Col Benjamin Dornblaser
	3rd Brigade Col William B. Kinsey	29th Illinois Infantry: Ltc John A Callicott 30th Missouri Infantry (4 companies): Ltc William T. Wilkinson 161st New York Infantry: Maj Willis E. Craig 23rd Wisconsin Infantry: Maj Joseph E. Greene
	Artillery Cpt George W. Fox	4th Battery, Massachusetts Light Artillery: Lt George W. Taylor 7th Battery, Massachusetts Light Artillery: Cpt Newman W. Storer
2nd Division^[3]	1st Brigade Col Henry Bertram	94th Illinois Infantry: Col John McNulta 19th Iowa Infantry: Ltc John Bruce 23rd Iowa Infantry: Col Samuel L. Glasgow 20th Wisconsin Infantry: Ltc Henry A. Starr Battery F, 1st Missouri Light Artillery: Cpt Joseph Foust
3rd Division BG William P. Benton	1st Brigade Col David P. Grier	28th Illinois Infantry: Ltc Richard Ritter 77th Illinois Infantry: Ltc John B. Reid 96th Ohio Infantry (5 companies): Ltc Albert H. Brown 35th Wisconsin Infantry: Col Henry Orff
	2nd Brigade Col Henry M. Day	91st Illinois Infantry: Ltc George A. Day 50th Indiana Infantry (5 companies): Ltc Samuel T. Wells 29th Iowa Infantry: Col Thomas H. Benton Jr. 7th Vermont Infantry: Col William C. Holbrook
	3rd Brigade Col Conrad Krez	33rd Iowa Infantry: Col Cyrus H. Mackey 77th Ohio Infantry: Ltc William E. Stevens 27th Wisconsin Infantry: Cpt Charles H. Cunningham 28th Wisconsin Infantry: Ltc Edmund B. Gray
	Artillery	21st Battery, New York Light Artillery: Cpt James Barnes 26th Battery, New York Light Artillery: Lt Adam Beattie

XVI Corps

Main article: XVI Corps (Union Army)

MG Andrew Jackson Smith, 16,000^[2]

Division	Brigade	Regiments and others
1st Division BG John McArthur	1st Brigade Col William L. McMillen	33rd Illinois Infantry: Col Charles E. Lippincott 26th Indiana Infantry: Col John G. Clark 93rd Indiana Infantry: Col De Witt C. Thomas 10th Minnesota Infantry: Ltc Samuel P. Jennison 72nd Ohio Infantry: Ltc Charles G. Eaton 95th Ohio Infantry: Col Jefferson Brumback
	2nd Brigade Col Lucius F. Hubbard	47th Illinois Infantry: Maj Edward Bonham 5th Minnesota Infantry: Ltc William B. Gere 9th Minnesota Infantry: Col Josiah F. Marsh 11th Missouri Infantry: Maj Modesta J. Green 8th Wisconsin Infantry: Ltc William B. Britton
	3rd Brigade Col William R. Marshall	12th Iowa Infantry: Maj Samuel G. Knee 35th Iowa Infantry: Ltc William B. Keeler 7th Minnesota Infantry: Ltc George Bradley 33rd Missouri Infantry: Ltc William H. Heath
	Artillery	3rd Battery, Indiana Light Artillery: Cpt Thomas J. Ginn 2nd Battery, Iowa Light Artillery: Cpt Joseph R. Reed
2nd Division BG Kenner Garrard	1st Brigade Col John I. Rinaker	119th Illinois Infantry: Col Thomas J. Kinney 122nd Illinois Infantry: Ltc James F. Drish (w, April 9), Maj James F. Chapman 89th Indiana Infantry: Ltc Hervey Craven 21st Missouri Infantry: Cpt Charles W. Tracy
	2nd Brigade BG James I. Gilbert	117th Illinois Infantry: Col Risdon M. Moore 27th Iowa Infantry: Maj George W. Howard 32nd Iowa Infantry: Ltc Gustavus A. Eberhart 10th Kansas Infantry (4 companies): Ltc Charles S. Hills 6th Minnesota Infantry: Ltc Hiram P. Grant
	3rd Brigade Col Charles L. Harris	58th Illinois Infantry (four companies): Cpt John Murphy 52nd Indiana Infantry: Ltc Zalmon S. Main 34th New Jersey Infantry: Col William Hudson Lawrence 178th New York Infantry: Ltc John B. Gandolfo 11th Wisconsin Infantry: Maj Jesse S. Miller
3rd Division BG Eugene A. Carr	1st Brigade Col Jonathan B. Moore	72nd Illinois Infantry: Ltc Joseph Stockton 95th Illinois Infantry: Col Leander Blanden 44th Missouri Infantry: Cpt Frank G. Hopkins 33rd Wisconsin Infantry: Ltc Horatio H. Virgin
	2nd Brigade Col Lyman M. Ward	40th Missouri Infantry: Col Samuel A. Holmes 49th Missouri Infantry: Col David P. Dyer 14th Wisconsin Infantry: Maj Eddy F. Ferris
	3rd Brigade Col James L. Geddes	81st Illinois Infantry: Ltc Andrew W. Rogers 108th Illinois Infantry: Col Charles Turner 124th Illinois Infantry: Brevet Col John H. Howe 8th Iowa Infantry: Ltc William B. Bell
	Artillery Brigade Cpt John W. Lowell	Cogswell's Battery Illinois Light Artillery: Lt William R. Elting Battery G, 2nd Illinois Light Artillery: Lt Perry Wilch 1st Battery, Indiana Light Artillery: Cpt Lawrence Jocoby 14th Battery, Indiana Light Artillery: Cpt Francis W. Morse 17th Battery, Ohio Light Artillery: Cpt Charles S. Rice

Column from Pensacola

MG Frederick Steele, 13,200^[2]

Division	Brigade	Regiments and others
1st Division (Dist. of West Florida) BG John P. Hawkins, 5,500^[2]	1st Brigade BG William A. Pile	73rd U.S.C.T.: Ltc Henry C. Merriam 82nd U.S.C.T.: Col Ladislas L. Zulavsky 86th U.S.C.T.: Ltc George E. Yarrington
	2nd Brigade Col Hiram Scofield	47th U.S.C.T.: Ltc Ferdinand E. Peebles 50th U.S.C.T.: Col Charles A. Gilchrist 51st U.S.C.T.: Col A. Watson Webber
	3rd Brigade Col Charles W. Drew	48th U.S.C.T.: Col Frederick M. Crandal 68th U.S.C.T.: Col J. Blackburn Jones (w, April 9) 76th U.S.C.T.: Maj William E. Nye
2nd Division (from XIII Corps) BG Christopher C. Andrews, 5,200^[2]^[4]	2nd Brigade Col Thomas Spicely	76th Illinois Infantry: Col Samuel T. Busey (w, April 9), Ltc Charles C. Jones 97th Illinois Infantry: Ltc Victor Vifquain 24th Indiana Infantry: Ltc Francis A. Sears 69th Indiana Infantry (4 companies): Ltc Oran Perry (w, April 9), Cpt Lewis K. Harris
	3rd Brigade Col Frederick W. Moore	37th Illinois Infantry: Col John Charles Black 20th Iowa Infantry: Ltc Joseph B. Leake 34th Iowa Infantry: Col George W. Clark 83rd Ohio Infantry: Ltc William H. Baldwin 114th Ohio Infantry: Col John H. Kelly
	Artillery	2nd Battery, Connecticut Light Artillery: Cpt Walter S. Hotchkiss 15th Battery, Massachusetts Light Artillery: Lt Albert Rowse
Cavalry Division (Dist. of West Florida) BG Thomas J. Lucas, 2,500^[2]	1st Brigade Col Morgan H. Chrysler	1st Louisiana Cavalry: Ltc Algernon S. Badger 31st Massachusetts (mounted infantry): Ltc Edward P. Nettleton 2nd New York Veteran Cavalry: Col Morgan H. Chrysler, Ltc Asa L. Gurney
	2nd Brigade Ltc Andrew B. Spurling	1st Florida Cavalry: Cpt Francis Lyons 2nd Illinois Cavalry: Maj Franklin Moore 2nd Maine Cavalry: Maj Charles A. Miller
	Artillery	2nd Battery, Massachusetts Light Artillery: Cpt William Marland

Cavalry

Bvt MG Benjamin Grierson

Division	Brigade	Regiments and others
1st Division BG Joseph F. Knipe	1st Brigade Col Joseph Kargé	12th Indiana Cavalry: Maj William H. Calkins 2nd New Jersey Cavalry: Ltc P. Jones Yorke 4th Wisconsin Cavalry: Col Webster P. Moore
	2nd Brigade Col Gilbert M. L. Johnson	10th Indiana Cavalry: Maj George R. Swallow 13th Indiana Cavalry: Ltc William T. Pepper 4th Tennessee Cavalry: Ltc Jacob M. Thornburgh
	Artillery	14th Battery, Ohio Light Artillery: Cpt William Cary Myers