27th Illinois Infantry

== Regimental History and Service Record ==
Organized at Camp Butler, Ill., August 10, 1861. At Jacksonville, Ill., until September 1. Moved to Cairo, Ill., September 1, and duty there until March, 1862. Attached to District of Cairo to February, 1862. 1st Brigade, 1st Division, District of Cairo, February, 1862. Flotilla Brigade, Army of the Mississippi, to April, 1862. 1st Brigade, 1st Division, Army of the Mississippi, to September, 1862. 1st Brigade, 13th Division, Army of the Ohio, to November, 1862. 3rd Brigade, 3rd Division, Right Wing 14th Army Corps, Army of the Cumberland, to January, 1863. 3rd Brigade, 3rd Division, 20th Army Corps, Army of the Cumberland, to October, 1863. 3rd Brigade, 2nd Division, 4th Army Corps, to August, 1864.
SERVICE.--
* November 6-7, 1861 - Expedition to Belmont and Charleston, Missouri
** November 7, 1861 - Battle of Belmont, Missouri
* Expedition into Kentucky January 16-21, 1862. 
* March 3, 1862 - Action at Columbus, Kentucky
* March 3, 1862 - Occupation of Columbus, Kentucky
* March 4, 1862 - Skirmish near Columbus, Kentucky
Operations against New Madrid and Island No. 10 March 14-April 8. Actions at Island No. 10 March 15-16 and 25. Expedition to Union City, Tenn., March 30-April 2. Union City March 30-31. Action and capture at Tiptonville April 8. Expedition to Fort Pillow, Tenn., April 13-17. Moved to Pittsburg Landing, Tenn., April 17-23. Advance on and siege of Corinth, Miss., April 29-May 30. Action at Farmington May 3. Reconnaissance toward Corinth May 8. Action at Farmington May 9. Pursuit to Booneville May 30-June 12. Tuscumbia Creek May 31-June 1. Reconnaissance toward Baldwyn June 3. Camp at Corinth until July 21. Moved to Iuka, Miss., thence to Courtland, Ala., and duty along Memphis & Charleston R. R. until September 3. March to Nashville, Tenn., September 3-12. Siege of Nashville September 12-November 6. Near La Vergne October 7. Repulse of Forest's attack on Edgefield November 5. Duty at Nashville until December 26. Advance on Murfreesboro December 26-30. Action at Nolensville, Knob Gap, December 26. Triune December 27-28. Battle of Stone's River December 30-31, 1862, and January 1-3, 1863. Duty at Murfreesboro until June. Expedition toward Columbia March 4-14. Middle Tennessee (or Tullahoma) Campaign June 24-July 7. Christiana June 24. Occupation of Middle Tennessee until August 16. 
* August 16-September 22, 1863 - The Chickamauga Campaign
** September 19-September 20, 1863 - Battle of Chickamauga, Georgia
* September 24-October 27, 1863 - Siege of Chattanooga, Tennessee
* Chattanooga-Ringgold Campaign November 23-27. 
** Orchard Knob November 23-24. 
** Mission Ridge November 25. 
* March to relief of Knoxville and Campaign in East Tennessee November 28, 1863, to January 25, 1864. 
** Operations about Dandridge January 16-17, 1864. 
* At London, Tenn., until. April 18. 
* May 1-August 25 - The Atlanta Campaign
** May 8-11, 1864 - Demonstration against Rocky Faced Ridge, Georgia
** Buzzard's Roost Gap May 8-9. 
** May 9-13, 1864 - Demonstration on Dalton, Georgia
** May 14-May 15, 1864 - Battle of Resaca, Georgia
** Near Calhoun May 16. 
** May 17, 1864 - Engagement at Adairsville, Georgia
** Near Kingston May 18-19. 
** Near Cassville May 19. 
** Advance on Dallas May 23-25. 
** 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 (or Neal Dow's) Station, Smyrna Camp Ground July 4. 
** Chattahoochie River July 5-17, 
** Buckhead Nancy's Creek July 18. 
** Peach Tree Creek July 19-20. 
** July 22-August 25, 1864 - Siege of Atlanta, Georgia 
* Ordered to Springfield, Ill., August 25. 
** Mustered out September 20, 1864, expiration of term. 
** Veterans and Recruits transferred to (II) 9th Illinois Infantry
== 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 ==
Source 	Casualties	Remarks
Dyer 	
* 7 Officers and 96 enlisted men killed and mortally wounded 
* 2 Officer and 83 enlisted men killed by disease
* Total 188	None
Fox 	
* Fox lists this unit as:
** 165th on the list of units with losses based on duration of the entire term of service of the unit (16th 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, 706, 707, 715, 731, 799, 860, 862, 1056-1057)
* (Page 10)
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