104th Illinois Infantry

== Regimental History and Service Record ==
Organized at Ottawa, Ill., and mustered in August 27, 1862, and ordered to Louisville, Ky. Attached to 39th Brigade, 12th Division, Army of the Ohio, to November, 1862. District of Western Kentucky, Dept. of the Ohio, to December, 1862. Prisoners of war to April, 1863. 1st Brigade, 2nd Division, 14th Army Corps, Army of the Cumberland, to October, 1863. 1st Brigade, 1st Division, 14th Army Corps, to June, 1865.
SERVICE.--Moved from Louisville to Frankfort, Ky., September, 1862, and duty there until October 25. Moved to Hartsville, Tenn., October 26-December 1. Action at Hartsville December 7. Regiment captured and paroled. Sent to Camp Douglas, Chicago, Ill., and duty there as paroled prisoners of war until April, 1863, when declared exchanged. Ordered to Brentwood, Tenn.; thence to Murfreesboro, Tenn.,, and duty there until June. Middle Tennessee (or Tullahoma) Campaign June 24-July 7. Elk River July 3. Occupation of Middle Tennessee until August 16. 
* August 16-September 22, 1863 - The Chickamauga Campaign
** Davis Cross Roads, near Dug Gap, September 11. 
** September 19-September 20, 1863 - Battle of Chickamauga, Georgia
** Rossville Gap September 21. 
* September 24-October 27, 1863 - Siege of Chattanooga, Tennessee
* November 23-27, 1863 - The Chattanooga/Ringgold Campaign
** Lookout Mountain November 24.
** Mission Ridge November 25.
** Pea Vine Valley and Graysville November 26.
** Taylor's Ridge, Ringgold Gap, November 27.
* At Chattanooga until February, 1864.
* Moved to Nashville, Tenn., February 10, and duty there until March 15. 
* Moved to Chattanooga March 15-19. 
* May 1-September 8, 1864 - The Atlanta Campaign
** May 8-11, 1864 - Demonstration against Rocky Faced Ridge, Georgia
** Buzzard's Roost Gap May 8-9. 
*** May 13, 1864 - Combat at Resaca, Georgia
** May 14-May 15, 1864 - Battle of Resaca, Georgia
** Advance on Dallas May 18-25. 
** May 25-June 5, 1864 - Operations in Bartow County, Georgia
** Pickett's Mills May 27. 
** Operations about Marietta and against Kenesaw Mountain June 10-July 2. 
** Pine Mountain June 11-14. 
** Lost Mountain June 15-17. 
** Assault on Kenesaw June 27. 
** Ruff's Station, Smyrna Camp Ground, July 4. 
** Chattahoochie River July 5-18, Peach Tree Creek June 19-20. 
** July 22-August 25, 1864 - Siege of Atlanta, Georgia
** Utoy Creek August 5-7. 
** Flank movement on Jonesboro August 25-30. 
** Near Red Oak August 29. 
** Battle of Jonesboro August 31-September 1. 
* Operations against Hood in North Georgia and North Alabama September 29-November 3. 
* November 15-December 21, 1864 - The Savannah Campaign
** December 10-21, 1864 - Siege of Savannah, Georgia
* January 1-April 26, 1865 - The Carolinas Campaign
** Near Stroud's Mills, S. C,, February 26. 
** Cloud's House February 26. 
** Near Rocky Mount February 28. 
** Averysboro, Taylor's Hole Creek, N. C., March 16. 
** Battle of Bentonville March 19-21. 
** Occupation of Goldsboro March 24. 
** Advance on Raleigh April 10-14. 
** Occupation of Raleigh April 14. 
** Bennett's House April 26. 
*** Surrender of Johnston and his army. 
* March to Washington, D.C., via Richmond, Va., April 29-May 19. 
* Grand Review May 24. 
* Mustered out June 6 and discharged at Chicago, Ill., July 11, 1865.
== Regimental Roster ==
 
 
 Field and Staff Officers
 
 
 Regimental Band
 
 
 Company A
 
 
 Company B
 
 
 Company C
 
 
 Company D
 
 
 Company E
 
 
 Company F
 
 
 Company G
 
 
 Company H
 
 
 Company I
 
 
 Company K
 
 
 Unassigned
 
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== Regiment Statistical Information ==
* Regiment lost during service 6 Officers and 110 Enlisted men killed and mortally wounded and 2 Officers and 76 Enlisted men by disease. Total 194.
Source 	Casualties	Remarks
Dyer 	
* 6 Officers and 110 enlisted men killed and mortally wounded 
* 2 Officers and 76 enlisted men killed by disease
* Total 194	None
Fox 	
* Fox lists this unit as:
** 120th on the list of units with losses based on duration of the entire term of service of the unit (10th of the Illinois troops)	
WotRWiki Statistics	
* troops killed
** Includes troops mortally wounded
** Includes troops killed by disease
** All others are troops killed in action or under special circumstances	
== Legacy ==
== Notes ==
== Sources == 
* (Pages 701, 703, 704, 705, 707, 715, 721, 834, 860, 862, 866, 1091)
* (Page 10)
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