# Siege of Port Hudson order of battle: Union

The following is the organization of the Union forces engaged at the Siege of Port Hudson, during the American Civil War in 1863. 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
* mw = mortally wounded
* k = killed
* c = captured

## Union forces
### Army of the Gulf
#### XIX Corps

MG Nathaniel P. Banks
* Chief of Staff: BG George L. Andrews until 27 May, BG Charles P. Stone
* Chief of Artillery: BG Richard Arnold
| Division | Brigade | Regiments and Others |
| 1st Division   MG Christopher C. Augur | 1st Brigade   Col Edward P. Chapin (k)   Col Charles J. Paine | 2nd Louisiana: Col Charles J. Paine 21st Maine: Col Elijah D. Johnson 48th Massachusetts: Col Eben F. Stone 49th Massachusetts: Ltc Burton D. Deming (k) 116th New York: Cpt John Higgins |
| 1st Division   MG Christopher C. Augur | 2nd Brigade   BG Godfrey Weitzel   Col Stephen Thomas | 12th Connecticut: Ltc Frank Henry Peck (w) 75th New York: Col Robert B. Merritt 114th New York: Col Elisha B. Smith (mw) 160th New York: Ltc John B. Van Petten 8th Vermont: Col Stephen Thomas |
| 1st Division   MG Christopher C. Augur | 3rd Brigade   Col Nathan Dudley | 30th Massachusetts: Ltc William W. Bullock 50th Massachusetts: Col Carlos P. Messer 161st New York: Col Gabriel T. Harrower 174th New York: Maj George Keating |
| 1st Division   MG Christopher C. Augur | Artillery | 1st Battery, Indiana Heavy Artillery: Col John A. Keith 1st Battery, Maine Light Artillery: Lt John E. Morton 6th Battery, Massachusetts Light Artillery: Lt John F. Phelps 12th Massachusetts Light Artillery (section): Lt Edwin M. Chamberlin 18th Battery, New York Light Artillery: Cpt Albert G. Mack Battery A, 1st U.S. Light Artillery: Cpt Edmund C. Bainbridge Battery G, 5th U.S. Artillery: Lt Jacob B. Rawles |
| 2nd Division   BG Thomas W. Sherman (w)   BG George L. Andrews   BG Frank S. Nickerson   BG William Dwight | 1st Brigade   BG Neal S. Dow (w&c)   Col David S. Cowles (k)   Col Thomas S. Clark | 26th Connecticut: Col Thomas G. Kingsley 6th Michigan: Col Thomas S. Clark 15th New Hampshire: Col John W. Kingman 128th New York: Col David S. Cowles 162nd New York: Col Lewis Benedict |
| 2nd Division   BG Thomas W. Sherman (w)   BG George L. Andrews   BG Frank S. Nickerson   BG William Dwight | 2nd Brigade   Col Alpha B. Farr   Col Thomas W. Cahill   Col Lewis Benedict | 9th Connecticut: Ltc Richard Fitz Gibbons 26th Massachusetts: Ltc Josiah A. Sawtell 42nd Massachusetts: Ltc Joseph Stedman 47th Massachusetts: Col Lucius B. Marsh |
| 2nd Division   BG Thomas W. Sherman (w)   BG George L. Andrews   BG Frank S. Nickerson   BG William Dwight | 3rd Brigade   BG Frank S. Nickerson | 14th Maine: Col Thomas W. Porter 24th Maine: Col George Marston Atwood 28th Maine: Col Ephraim W. Woodman 165th New York: Ltc Abel Smith, Jr. (mw May 27) 175th New York: Col Michael K. Bryan (k) 177th New York: Col Ira W. Ainsworth |
| 2nd Division   BG Thomas W. Sherman (w)   BG George L. Andrews   BG Frank S. Nickerson   BG William Dwight | Artillery | 21st Battery, New York Light Artillery: Cpt James Barnes 1st Battery, Vermont Light Artillery: Cpt George T. Hebard |
| 3rd Division   BG Halbert E. Paine (w)   Col Hawkes Fearing | 1st Brigade   Col Timothy Ingraham   Col Samuel P. Ferris | 28th Connecticut: Col Samuel P. Ferris 4th Massachusetts: Col Henry Walker 16th New Hampshire: Col James Pike 110th New York: Col Clinton H. Sage |
| 3rd Division   BG Halbert E. Paine (w)   Col Hawkes Fearing | 2nd Brigade   Col Hawkes Fearing   Maj John H. Alcot | 8th New Hampshire: Ltc Oliver W. Lull (k, May 27) 133rd New York: Col Leonard D. H. Currie 173rd New York: Maj A. Power Gallway 4th Wisconsin: Col Sidney A. Bean (k, May 29) |
| 3rd Division   BG Halbert E. Paine (w)   Col Hawkes Fearing | 3rd Brigade   Col Oliver P. Gooding | 31st Massachusetts: Ltc William S.B. Hopkins 38th Massachusetts: Ltc William L. Rodman (k) 53rd Massachusetts: Col John W. Kimball 156th New York: Col Jacob Sharpe |
| 3rd Division   BG Halbert E. Paine (w)   Col Hawkes Fearing | Artillery | 4th Battery, Massachusetts Light Artillery: Lt Frederick W. Reinhard Battery F, 1st U.S. Light Artillery: Cpt Richard C. Duryea 2nd Battery, Vermont Light Artillery: Cpt Pythagoras E. Holcomb |
| 4th Division   BG Cuvier Grover | 1st Brigade   BG William Dwight   Col Joseph S. Morgan | 1st Louisiana (U.S.): Col Richard E. Holcomb (k), Ltc William O. Fiske 22nd Maine: Col Simon G. Jerrard 90th New York: Col Joseph S. Morgan 91st New York Infantry Regiment: Col Jacob Van Zandt 131st New York: Col Nicholas W. Day |
| 4th Division   BG Cuvier Grover | 2nd Brigade   Col William K. Kimball | 24th Connecticut: Col Samuel M. Mansfield 12th Maine: Ltc Edward Ilsley 41st Massachusetts: Col Thomas E. Chickering 52nd Massachusetts: Col Halbert S. Greenleaf |
| 4th Division   BG Cuvier Grover | 3rd Brigade   Col Henry W. Birge | 13th Connecticut: Cpt Apollos Comstock 25th Connecticut: Ltc Mason C. Weld 26th Maine: Col Nathan H. Hubbard 159th New York: Ltc Charles A. Burt |
| 4th Division   BG Cuvier Grover | Artillery   Cpt Henry W. Closson | 2nd Battery Massachusetts Light Artillery: Cpt Ormand F. Nims Battery L, 1st U.S. Light Artillery: Cpt Henry W. Closson Battery C, 2nd U.S. Light Artillery: Lt Theodore Bradley |
| United States Colored Troops | Corps D'Afrique   BG Daniel Ullman | 6th Corps D'Afrique: Maj George Bishop 7th Corps D'Afrique: Maj Cornelius Mowers 8th Corps D'Afrique: Ltc William S. Mudgett 9th Corps D'Afrique: Ltc Isaac S. Bangs 10th Corps D'Afrique: Ltc Ladislas L. Zulavsky 1st Louisiana Engineers: Col Justin Hodge |
| United States Colored Troops | Native Guard | 1st Louisiana Native Guards: Ltc Chauncey J. Bassett 3rd Louisiana Native Guards: Col John A. Nelson 4th Louisiana Native Guards: Col Charles W. Drew |
| Cavalry | Grierson's Brigade   Col Benjamin H. Grierson | 6th Illinois Cavalry: Col Reuben Loomis 7th Illinois Cavalry: Col Edward Prince 1st Louisiana Cavalry: Maj Harai Robinson 2nd Rhode Island Cavalry: Ltc Augustus W. Corliss 2nd Massachusetts Cavalry: Maj James Magee 14th New York Cavalry: Cpt George Branning 4th Wisconsin Mounted: Maj Webster Moore |

### West Gulf Blockading Squadron

Rear Admiral David G. Farragut
| Class | Vessel |
| Steam frigate | USS Hartford   Cpt James S. Palmer |
| Steam frigate | USS Richmond   Cpt James Alden |
| Steam frigate | USS Mississippi   Cpt Melancton Smith |
| Steam frigate | USS Monongahela   Cpt James P. McKinstry |
| Gunboat | USS Albatross   Lt Commander John E. Hart |
| Gunboat | USS Genesee   Commander William H. Macomb |
| Gunboat | USS Kineo   Lt Commander John Watters |
| Ironclad | USS Essex   Commander Charles H. B. Caldwell |