115th Illinois Infantry

== Regimental History and Service Record ==
Organized at Camp Butler, Ill., and mustered in September 13, 1862. Moved to Cincinnati, Ohio, and Covington, Ky., October 4-6, 1862. Attached to 2nd Brigade, 3rd Division, Army of Kentucky, Dept. of the Ohio, to February, 1862. 2nd Brigade, Baird's 3rd Division, Army of the Kentucky, Dept. of the Cumberland, to June, 1863. 1st Brigade, 1st Division, Reserve Corps, Army of the Cumberland, to October, 1863. 1st Brigade, 2nd Division, 4th Army Corps, October, 1863. 2nd Brigade, 1st Division, 4th Army Corps, to June, 1865.
SERVICE.--Duty at Covington, Ky., until October 20, 1862, operating against Kirby Smith's threatened attack on Cincinnati. March to Richmond, Ky., October 20-25, thence to Danville December 21, and duty there until January 26, 1863. Pursuit of Morgan to Lebanon Junction December 26-31, 1862. Moved to Louisville, Ky., January 26-31, 1863; thence to Nashville, Tenn., January 31-February 8. Repulse of Wheeler's attack on Fort Donelson, Tenn., February 4. At Nashville until March 5. Moved to Franklin, Tenn., and pursuit of Van Dorn March 5-12. Spring Hill March 10. At Brentwood March 27-April 8. Return to Franklin April 8, and repulse of Van Dorn's attack April 10. At Franklin until June 2. Moved to Triune June 2. Action at Triune with Wheeler June 11. Middle Tennessee (or Tullahoma) Campaign June 24-July 7. At Wartrace July 3-August 12, and at Elk River until September 7. 
* August 16-September 22, 1863 - The Chickamauga Campaign
** Ringgold, Ga., September 17. 
* September 19-20, 1863 - Battle of Chickamauga, Georgia
* September 24-October 27, 1863 - Siege of Chattanooga, Tennessee
Reopening Tennessee River October 26-29. Battle of Wauhatchie, Tenn., October 28-29. Duty in Lookout Valley until December 1. At Nickajack Cove, Ga., until February, 1864. Demonstration on Dalton, Ga., February 22-27. Tunnel Hill, Buzzard's Roost Gap and Rocky Faced Ridge February 23-25. At Cleveland, Tenn., March and April. 
* May 1-September 8, 1864 - The Atlanta Campaign
** Tunnel Hill May 6-7. 
** May 8-11, 1864 - Demonstration against Rocky Faced Ridge, Georgia
** Buzzard's Roost Gap May 8-9. 
** Demonstrations on Dalton May 9-13. 
** May 14-May 15, 1864 - Battle of Resaca, Georgia
** Near Kingston May 18-19. 
** Near Cassville May 19. 
** Advance on Dallas May 22-25. 
** May 25-June 5, 1864 - Operations in Bartow County, Georgia
** Operations about Marietta and against Kenesaw Mountain June 10-July 2. 
** Pine Hill June 11-14. 
** Lost Mountain June 15-17. 
** Assault on Kenesaw June 27. 
** Ruff's Station, Smyrna Camp Ground, July 4. 
** Chattahoochie River July 5-17. 
** Peach Tree Creek July 19-20. 
** July 22-August 25, 1864 - Siege of Atlanta, Georgia
** August 23, 1864 - Skirmish at Abbeville, MississippiNot originally referenced on unit homepage?
** Flank movement on Jonesboro August 25-30. 
** Battle of Jonesboro August 31-September 1. 
** LoveJoy Station September 2-6. 
* Operations against Hood in North Georgia and North Alabama September 29-November 3. 
Buzzard's Roost Block House October 13 (1 Company). Nashville Campaign November-December. Columbia, Tenn., December 23. Columbia, Duck River, November 24-27. Battle of Franklin November 30. Battle of Nashville December 15-16. Pursuit of Hood to the Tennessee River December 17-28. Moved to Huntsville, Ala., and duty there until March, 1865. Expedition to Bull's Gap and operations in East Tennessee March 20-April 22. Moved to Nashville, Tenn., and duty there until June. Mustered out at Nashville June 11 and discharged at Camp Butler, Ill., June 23, 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 58 Enlisted men killed and mortally wounded and 2 Officers and 147 Enlisted men by disease. Total 213.
== Legacy ==
== Notes ==
== Sources == 
* (Pages 703, 704, 705, 707, 715, 788, 860, 862, 1095)
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