# Battle of Chickasaw Bayou order of battle: Union

The following Union Army units and commanders fought in the Battle of Chickasaw Bayou of the American Civil War. The Confederate order of battle is listed separately.

## 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
* k = killed

## Expeditionary Force, Army of the Tennessee
### Right Wing, XIII Corps

MG William T. Sherman
| Division | Brigade | Regiments and Others |
| First Division   BG Andrew Jackson Smith Escort: Company C, 4th Indiana Cavalry: Cpt Joseph P. Lesslie | 1st Brigade   BG Stephen Gano Burbridge | 16th Indiana: Col Thomas J. Lucas 60th Indiana: Col Richard Owen 67th Indiana: Col Frank Emerson 83rd Ohio: Ltc William H. Baldwin 96th Ohio: Col Joseph W. Vance 23rd Wisconsin: Col Joseph J. Guppey |
| First Division   BG Andrew Jackson Smith Escort: Company C, 4th Indiana Cavalry: Cpt Joseph P. Lesslie | 2nd Brigade   Col William J. Landram | 77th Illinois: Col David P. Grier 97th Illinois: Col Friend S. Rutherford 108th Illinois: Col John Warner 131st Illinois: Col George W. Neeley 89th Indiana: Col Charles D. Murray 19th Kentucky: Ltc John Cowan 48th Ohio: Ltc Job R. Parker |
| Second Division   BG Morgan Lewis Smith (w)  BG David Stuart | 1st Brigade   Col Giles A. Smith | 113th Illinois: Col George B. Hoge 116th Illinois: Col Nathan W. Tupper 6th Missouri: Ltc James H. Blood 8th Missouri: Ltc David C. Coleman 1st Battalion, 13th U.S.: Maj Dudley Chase |
| Second Division   BG Morgan Lewis Smith (w)  BG David Stuart | 4th Brigade   BG David Stuart  Col Thomas Kilby Smith | 55th Illinois: Ltc Oscar Malmborg 127th Illinois: Col John Van Arman 83rd Indiana: Col Benjamin J. Spooner 54th Ohio: Col Thomas Kilby Smith 57th Ohio: Col William Mungen |
| Third Division   BG George Washington Morgan | 1st Brigade   Col Lionel A. Sheldon | 118th Illinois: Col John G. Fonda 69th Indiana: Col Thomas Warren Bennett 120th Ohio: Col Daniel French |
| Third Division   BG George Washington Morgan | 2nd Brigade   Col Daniel W. Lindsey | 49th Indiana: Col James Keigwin 7th Kentucky: Ltc Joel W. Ridgell 114th Ohio: Ltc Horatio B. Maynard |
| Third Division   BG George Washington Morgan | 3rd Brigade   Col John F. DeCourcy | 54th Indiana: Col Fielding Mansfield 22nd Kentucky: Ltc George W. Monroe (w), Maj William J. Worthington 16th Ohio: Ltc Philip Kershner (w/c) 42nd Ohio: Ltc Don Albert Pardee |
| Third Division   BG George Washington Morgan | Artillery | Battery G, 1st Michigan Light Artillery: Cpt Charles H. Lanphere 1st Wisconsin Light Artillery: Cpt Jacob T. Foster |
| Fourth Division   BG Frederick Steele | 1st Brigade   BG Francis Preston Blair Jr. | 13th Illinois: Col John B. Wyman (k), Ltc Adam B. Gorgas 29th Missouri: Col John S. Cavender 30th Missouri: Ltc Otto Schadt 31st Missouri: Col Thomas C. Fletcher (w/c), Ltc Samuel P. Simpson (w) 32nd Missouri: Col Francis H. Manter 58th Ohio: Ltc Peter Dister (k) 4th Ohio Battery: Cpt Louis Hoffman Company C, 10th Missouri Cavalry: Lt Daniel W. Ballon |
| Fourth Division   BG Frederick Steele | 2nd Brigade   BG Charles E. Hovey | 25th Iowa: Col George A. Stone 31st Iowa: Col William Smyth 3rd Missouri: Col Isaac F. Shepard 12th Missouri: Col Hugo Wangelin 17th Missouri: Col Francis Hassendeubel 76th Ohio: Col Charles Robert Woods 1st Missouri Horse Artillery: Cpt Clemens Landgraeber |
| Fourth Division   BG Frederick Steele | 3rd Brigade   BG John Milton Thayer | 4th Iowa: Col James Alexander Williamson (w) 9th Iowa: Ltc William H. Coyl 26th Iowa: Col Milo Smith 30th Iowa: Col Charles H. Abbott 34th Iowa: Col George W. Clark 1st Iowa Light Artillery: Cpt Henry H. Griffiths |

#### Unattached units

* Battery A, 1st Illinois Light Artillery: Cpt Peter P. Wood
* Battery B, 1st Illinois Light Artillery: Cpt Samuel E. Barrett
* Battery H, 1st Illinois Light Artillery: Lt Levi W. Hart
* Chicago Mercantile Light Artillery: Cpt Charles G. Cooley
* 8th Ohio Light Artillery: Lt James F. Putnam
* 17th Ohio Light Artillery: Cpt Ambrose A. Blount
* 3rd Illinois Cavalry: Col Lafayette McCrillis
* Thielman's Battalion (Illinois):
* 6th Missouri Cavalry: Col Clark Wright
* Patterson's Kentucky Engineers & Mechanics: Cpt William F. Patterson