(II) 11th Illinois Infantry

== Regimental History and Service Record ==
Organized at Cairo, Ill., July 30, 1861. Attached to W. H. L. Wallace's 3rd Brigade, District of Cairo, to February, 1862. 2nd Brigade, 1st Division, District of Cairo, February, 1862. 2nd Brigade, 1st Division, District of West Tennessee, and Army of the Tennessee, to July, 1862. 2nd Brigade, 1st Division, District of Jackson, Tenn., to August, 1862. District of Cairo, Ill., to November, 1862. 2nd Brigade, 6th Division, Left Wing 13th Army Corps (Old), Dept. of the Tennessee, to December, 1862. 2nd Brigade, 6th Division, 16th Army Corps, to January, 1863. 2nd Brigade, 6th Division, 17th Army Corps, to September, 1863. 2nd Brigade, 1st Division, 17th Army Corps, to August, 1864. 1st Brigade, 2nd Division, 19th Army Corps, Dept. of the Gulf, to December, 1864. 2nd Brigade, Reserve Division, Military Division West Mississippi, to February, 1865. 2nd Brigade, 1st Division, Reserve Corps, M.D. W. M, February, 1865. 2nd Brigade, 1st Division, 13th Army Corps (New), M.D. W. M., to July, 1865. 
SERVICE.--Expedition to Charleston, Mo., October 2, 1861. Expedition against Thompson's forces November 2-12. Skirmish at Charleston January 8, 1862. Reconnaissance of Columbus, Ky., under Gen. Grant January 25-28. Operations against Fort Henry February 2-6. Capture of Fort Henry February 6. Investment and capture of Fort Donelson, Tenn., February 12-16. Assault on Fort Donelson February 15. 
* Moved to Fort Henry March 4-5, thence to Savannah, Tenn., March 5-13, and to Pittsburg Landing March 23-25. 
* April 6-7, 1862 - Battle of Shiloh, Tennessee
Advance on and siege of Corinth, Miss., April 29-May 30. Moved to Jackson, Tenn., and duty there until August 2. Ordered to Cairo, Ill., August 2, and to Paducah, Ky., August 23. Expedition from Fort Donelson to Clarksville September 5-10. Riggin's Hill, Clarksville, September 7. Duty at Paducah, Ky., until November 20. Expeditions to Hopkinsville, Ky., October 31 to November 13. Moved to Lagrange, Tenn., November 20-24. Grant's Central Mississippi Campaign. Operations on Mississippi Central R. R. November 24, 1862, to January 10, 1863. Moved to Memphis, Tenn., January 12, 1863, thence to Young's Point, La., January 17-24, and to Lake Providence, La., February 11. Expedition to American Bend March 17-28. 
* April 22, 1863 - Engagement at Vicksburg and Warrenton, Mississippi (detachment)
Movement on Bruinsburg and turning Grand Gulf April 25-30.
* May 1, 1863 - Battle of Port Gibson, Mississippi 
* Battles of Raymond May 12; 
* Jackson, Miss., May 14; 
* Champion's Hill May 16. 
* May 18-July 4, 1863 - Siege of Vicksburg, Mississippi
** May 19, 1863 - Assault on Vicksburg, Mississippi
** May 22, 1863 - Assault on Vicksburg, Mississippi
* Expedition from Haines' Bluff to Mechanicsburg May 26-June 4. 
* Action at Mechanicsburg May 29. 
* July 4, 1863 - Surrender of Vicksburg, Mississippi
Expedition to Natchez July 12-13. Occupation of Natchez July 13-October 12. Moved to Vicksburg, Miss., October 12, and duty there until July 29, 1864. Yazoo Expedition February 1-March 8. Liverpool Heights February 4. Capture of Yazoo City February 4. Satartia February 7. Occupation of Yazoo City until March 6. Action at Yazoo City March 5. At Black River Bridge until April 28. 
* May 4-21, 1864 - Expedition from Vicksburg, Mississippi to Yazoo City, Mississippi
* Benton May 7-9. 
* Vaughan May 12. 
* Vaughan Station May 14. 
* July 2-10, 1864 - Expedition from Vicksburg, Mississippi to Pearl River, MississippiNot originally referenced on unit homepage
Jackson July 7. Clinton July 7. Moved to Morganza, La., July 29, and duty there until September 3. Expedition to Clinton, La., August 23-29. Moved to mouth of White River September 3, thence to Memphis, Tenn., October 8. Return to White River October 27. Expedition to Gaines' Landing November 6-7. Moved to Duvall's Bluff, Ark., November 8, thence to Memphis, Tenn., November 30-December 4. Expedition to Moscow, Tenn., December 20-31. Moved to Kenner, La., January 1-5, 1865. To Dauphin Island, Ala., February 4-7. Operations against Mobile, Ala., and its defenses February 17-April 12. Siege of Spanish Fort and Fort Blakely March 26-April 8. Assault and capture of Fort Blakely April 9. Occupation of Mobile April 12. Duty there until May 27. Moved to New Orleans, thence to Alexandria. Moved to Baton Rouge, La., June 22. Mustered out July 14, 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
 
</div>
== Regiment Statistical Information ==
* Regiment lost during service 7 Officers and 179 Enlisted men killed and mortally wounded and 1 Officer and 284 Enlisted men by disease. Total 471.
== Legacy ==
== Notes ==
== Sources == 
* (Pages 776, 777, 779, 786, 787, 846, 1048-1049)
11
11
11
11
11
11
11
11
11
11
11
11