(II) 12th Illinois Infantry

== Regimental History and Service Record ==
The "1st Scotch Regiment"
Organized at Cairo, Ill., August 1, 1861. Attached to District of Cairo, Ill., to October, 1861. 3rd Brigade, District of Cairo, to February, 1862. 1st Brigade, 2nd Division, District of Cairo, February, 1862. 2nd Brigade, 2nd Division, District of West Tennessee, and Army of the Tennessee, to July, 1862. 2nd Brigade, 2nd Division, District of Corinth, to September, 1862. 1st Brigade, 2nd Division, District of Corinth, to November, 1862. 2nd Brigade, District of Corinth, 13th Army Corps (Old), Dept. of the Tennessee, to December, 1862. 2nd Brigade, District of Corinth, 17th Army Corps, to January, 1863. 2nd Brigade, District of Corinth, 16th Army Corps, to March, 1863. 2nd Brigade, 2nd Division, 16th Army Corps, Army of the Tennessee, to September, 1864. 2nd Brigade, 4th Division, 15th Army Corps, to April, 1865. 1st Brigade, 1st Division, 15th Army Corps, to July, 1865.
SERVICE.--At Cairo, Ill., until September, 1861. Expedition to Belmont and Charleston September 2. Expedition to Paducah, Ky., September 5-6. Occupation of Paducah September 6, and duty there until February, 1862. (4 Cos. at Smithland, Ky., until January 25, 1862.) 
* November 7-9, 1861 - Demonstration from Paducah on Columbus, Kentucky
Reconnaissance from Paducah to Fort Henry, Tenn., January 15-25, 1862. Demonstration on Columbus, Ky., January 25-28. Operations against Fort Henry, Tenn., February 5-6. Capture of Fort Henry February 6. Investment and capture of Fort Donelson, Tenn., February 12-16. Expedition to Clarksville and Nashville, Tenn., February 19-21. Moved to Pittsburg Landing, Tenn., March 1. 
* April 6-7, 1862 - Battle of Shiloh, Tennessee
Advance on and siege of Corinth, Miss., April 29-May 30. Pursuit to Booneville May 31-June 6. Duty at Corinth, Miss., until September. March to Iuka September 16-18, thence to Burnsville September 19, and to Corinth October 2. Battle of Corinth October 3-4. Pursuit to Ripley October 5-12. Duty at Corinth until June, 1863. Grant's Central Mississippi Campaign November and December, 1862. Dodge's Expedition to Northern Alabama April 15-May 8, 1863. Rock Cut, near Tuscumbia, April 22. Tuscumbia April 23. Town Creek April 28. Moved to Pocahontas June 6, and duty there until October 29. March to Pulaski, Tenn., October 29-November 12. Moved to Richland Station November 25, and duty guarding Nashville & Decatur R. R. until January, 1864. Regiment Veteranize January 16, 1864. Veterans on furlough until March. Moved to Pulaski, Tenn. 
* May 1-September 8, 1864 - The Atlanta Campaign
** May 8-13, 1864 - Demonstration on Resaca, Georgia
*** May 9, 1864 - Combat at Resaca, Georgia
*** May 13, 1864 - Combat at Resaca, Georgia
** May 14-May 15, 1864 - Battle of Resaca, Georgia
** Ley's Ferry, Oostenaula River, May 14-15. 
** Rome Cross Roads May 16. (4 Cos. detached at Rome until June 24.) 
** May 25-June 5, 1864 - Operations in Bartow County, Georgia
** Operations about Marietta and against Kenesaw Mountain June 10-July 2. 
** Assault on Kenesaw Mountain June 27. 
** Nickajack Creek July 2-5. 
** Ruff's Mills July 3-4. 
** Chattahoochie River July 6-17. 
** Decatur July 18-19. 
** July 22, 1864 - Battle of Atlanta, Georgia
** July 22-August 25, 1864 - Siege of Atlanta, Georgia
** Utoy Creek August 5-7. 
** Flank movement on Jonesboro August 25-30. 
** Battle of Jonesboro August 31-September 1. 
** Lovejoy Station September 2-6. 
** Moved to Rome September 26, and duty there until November 11. 
** Moved to Allatoona October 4. 
** October 5, 1864 - Engagement at Allatoona, Georgia
** Reconnaissance on Cave Springs Road and skirmishes October 12-13. 
* November 15-December 21, 1864 - The Savannah Campaign
** Ogeechee Canal December 9. 
** December 10-21, 1864 - Siege of Savannah, Georgia
* January 1-April 26, 1865 - The Carolinas Campaign
** Salkehatchie Swamp, S.C., February 2-5. 
** South Edisto River February 9. 
** North Edisto River February 11-12. 
** Columbia February 15-17. 
** Camden February 24. 
** Little Cohora Creek, N. C., March 16. 
** Battle of Bentonville March 20-21. 
** Occupation of Goldsboro March 24. 
** Advance on Raleigh, N. C., April 9-14. 
** 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. 
** Moved to Louisville, Ky., June 3-6. 
** Mustered out July 10, 1865, and discharged at Camp Butler, Ill., July 18, 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 ==
Source 	Casualties	Remarks
Dyer 	
* 5 Officers and 143 enlisted men killed and mortally wounded 
* 3 Officers and 109 enlisted men killed by disease
* Total 260	None
Fox 	
* Fox lists this unit as:
** 98th on the list of units with losses based on duration of the entire term of service of the unit (8th 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 703, 705, 707, 714, 715, 720, 721, 722, 730, 834, 846, 1049)
* (Page 10)
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