# Battle of Fort Donelson order of battle: Union

The following Union Army units and commanders fought in the Battle of Fort Donelson of the American Civil War. Order of battle compiled from the casualty returns, and the reports. The Confederate order of battle is listed separately.

## Abbreviations used
### Military Rank

* BG = Brigadier General
* Col = Colonel
* Ltc = Lieutenant Colonel
* Maj = Major
* Cpt = Captain
* Lt = 1st Lieutenant

### Other

* w = wounded
* k = killed

## Union Forces
### District of Cairo

BG Ulysses S. Grant, Commanding
* Chief of Staff: Col Joseph D. Webster
* Chief of Engineers: Col James B. McPherson
* Assistant Adjutant General: Cpt John A. Rawlins
| Division | Brigade | Regiments and Others |
| First Division   BG John A. McClernand | 1st Brigade K-184, W-603, M-66 = 853   Col Richard J. Oglesby | 8th Illinois: Ltc Frank L. Rhoads 18th Illinois: Col Michael K. Lawler (w), Cpt Daniel H. Brush (w), Cpt Samuel B. Marks 29th Illinois: Col James S. Reardon 30th Illinois: Ltc Elias S. Dennis 31st Illinois: Col John A. Logan (w), Cpt Jasper M. Dresser Battery D, 2nd Illinois Light Artillery: Cpt James P. Timmony 2nd Illinois Cavalry, Companies A & B: Maj John J. Mudd (w), Cpt John Hotaling 2nd U.S. Cavalry, Company C: Lt Charles E Farrand; 4th U.S. Cavalry, Company I: Lt James Powell Carmichael's Illinois Cavalry Company: Cpt Eagleton Carmichael Dollins' Illinois Cavalry Company: Cpt James J. Dollins O'Hartnett's Illinois Cavalry Company: Cpt Morris J. O'Harnett Stewart's Illinois Cavalry Company: Lt Ezra King |
| First Division   BG John A. McClernand | 2nd Brigade K-99, W-350, M-98 = 547   Col William H. L. Wallace | 11th Illinois: Ltc Thomas E. G. Ransom (w), Maj Garnett Nevin 20th Illinois: Col C. Carroll Marsh 45th Illinois: Col John Eugene Smith 48th Illinois: Col Isham N. Haynie, Ltc Thomas H. Smith (k) Battery B, 1st Illinois Light Artillery: Cpt Ezra Taylor Battery D, 1st Illinois Light Artillery: Cpt Edward McAllister 4th Illinois Cavalry: Col Theophilus Lyle Dickey |
| First Division   BG John A. McClernand | 3rd Brigade K-28, W-105, M-19 = 152   Col William R. Morrison (w)  Col Isham N. Haynie  Col Leonard F. Ross | 17th Illinois: Col Leonard F. Ross, Maj Francis M. Smith, Cpt Henry H. Bush 49th Illinois: Ltc Phineas Pease Battery H, 1st Missouri Light Artillery: Cpt Frederick Welker Battery K, 1st Missouri Light Artillery: Cpt George H. Stone |
| Second Division   BG Charles F. Smith | 1st Brigade K-69, W-340, M-20 = 429   Col John McArthur | 9th Illinois: Ltc Jesse J. Phillips 12th Illinois: Ltc Augustus L. Chetlain 41st Illinois: Col Isaac C. Pugh |
| Second Division   BG Charles F. Smith | 3rd Brigade K-10, W-109, M-2 = 121   Col John Cook | 7th Illinois: Ltc Andrew J. Babcock 28th Illinois: Col Amory K. Johnston 50th Illinois: Col Moses M. Bane 52nd Illinois: Col Thomas W. Sweeny 12th Iowa: Col Joseph J. Wood 52nd Indiana: Col James M. Smith 13th Missouri: Col Crafts J. Wright Battery D, 1st Missouri Light Artillery: Cpt Henry Richardson |
| Second Division   BG Charles F. Smith | 4th Brigade K-55, W-301, M-1 = 357   Col Jacob G. Lauman | 2nd Iowa: Col James Tuttle 7th Iowa: Ltc James Parrott 14th Iowa: Col William T. Shaw 25th Indiana: Col James C. Veatch Birge's Western Sharpshooters: Col John W. Birge |
| Second Division   BG Charles F. Smith | 5th Brigade K-11, W-69, M-0 = 80   Col Morgan L. Smith | 11th Indiana: Col George F. McGinnis 8th Missouri: Maj John McDonald |
| Third Division   BG Lew Wallace | 1st Brigade K-35, W-182, M-16 = 233   Col Charles Cruft | 31st Indiana: Ltc John Osborn, Maj Fred Arn 44th Indiana: Col Hugh B. Reed 17th Kentucky: Col John H. McHenry, Jr. 25th Kentucky: Col James M. Shackelford |
| Third Division   BG Lew Wallace | 2nd Brigade K6, W-15, M-1 = 22 | 46th Illinois: Col John A. Davis 57th Illinois: Col Silas D. Baldwin 58th Illinois: Col William F. Lynch 20th Ohio: Col Charles Whittlesey |
| Third Division   BG Lew Wallace | 3rd Brigade K-3, W-24, M-1 = 28   Col John M. Thayer | 1st Nebraska: Ltc William McCord 58th Ohio: Ltc Ferdinand F. Rempel 68th Ohio: Col Samuel H. Steedman 76th Ohio: Col William B. Woods |
| Third Division   BG Lew Wallace | Unattached K-0, W-20, M-0 = 20 | Battery A, 1st Illinois Light Artillery: Lt Peter P. Wood 32nd Illinois, Company A: Cpt Henry Davidson |

### Western Flotilla

Flag Officer Andrew H. Foote (w)
| Class | Vessel |
| City class ironclad | U.S.S. St. Louis  Lieutenant Leonard Paulding (K-2, W-8, M-0 = 10) |
| City class ironclad | U.S.S. Carondelet  Commander Henry Walke (K-5, W-28, M-0 = 33) |
| City class ironclad | U.S.S. Louisville  Commander Benjamin M. Dove (K-4, W-5, M-0 = 9) |
| City class ironclad | U.S.S. Pittsburgh  Lieutenant Egbert Thompson (K-0, W-2, M-0 = 2) |
| Timberclad | U.S.S. Tyler  Lieutenant William Gwin |
| Timberclad | U.S.S. Conestoga  Lieutenant Seth L. Phelps |
| Timberclad | U.S.S. Lexington  Lieutenant James Shirk |

### Rear Guard

These units were attached to the District of Cairo but were posted to guard duty and did not take part in the campaign against Fort Donelson.
| Post | Brigade | Regiments and Others |
| Bird's Point, MO | 4th Brigade (1st Division)   Col James D. Morgan | 10th Illinois: Ltc John Tillson 16th Illinois: Col Robert F. Smith 22nd Illinois: Ltc Harrison E. Hart 10th Iowa: Col Nicholas Perczel |
| Cairo, IL | Brigade   BG Eleazar A. Paine | 51st Illinois: Col Gilbert W. Cumming Artillery, 4 batteries |