77th Illinois Infantry

== Regimental History and Service Record ==
Organized at Peoria, Ill., and mustered in September 3, 1862. Moved to Covington, Ky., October 4, 1862. Attached to 3rd Division, Army of Kentucky, Dept. of the Ohio, October, 1862. 2nd Brigade, 1st Division. Army of Kentucky, to November, 1862. 2nd Brigade, 10th Division, 13th Army Corps (Old), Department of the Tennessee, to December, 1862. 2nd Brigade, 1st Division, Sherman's Yazoo Expedition, to January, 1863. 2nd Brigade, 10th Division, 13th Army Corps, Army of the Tennessee, to August, 1863. 2nd Brigade, 4th Division, 13th Army Corps, Dept. of the Tennessee and Army of the Gulf, to January, 1864. 1st Brigade, 4th Division. 13th Army Corps, Dept. of the Gulf, to June, 1864. Defenses of New Orleans, La., Dept. of the Gulf, June, 1864. 3rd Brigade, 3rd Division, 19th Army Corps, Dept. of the Gulf, to October, 1864. Defenses of New Orleans, La., to February, 1865. 1st Brigade, 3rd Division, Reserve Corps, Military Division West Mississippi, February, 1865. 1st Brigade, 3rd Division, 13th Army Corps (New), Military Division West Mississippi, to July, 1865.
SERVICE.--March to Lexington, Ky., thence to Richmond, Ky., October 17-November 2, 1862. March to Louisville, Ky., November 11-17, thence to Memphis, Tenn., November 20-27, and duty there until December 20. Sherman's Yazoo Expedition December 20, 1862, to January 2, 1863. Chickasaw Bayou December 26-28. Chickasaw Bluff December 29, 1862. Expedition to Arkansas Post, Ark., January 3-10, 1863. Assault and capture of Fort Hindman, Arkansas Post, January 10-11. Moved to Young's Point, La., January 14-22, thence to Milliken's Bend March 9. Movement on Bruinsburg and turning Grand Gulf April 25-30. 
* May 1, 1863 - Battle of Port Gibson, Mississippi 
* Battle of Champion's Hill May 16. 
* Big Black River May 17. 
* May 18-July 4, 1863 - Siege of Vicksburg, Mississippi
** May 19, 1863 - Assault on Vicksburg, Mississippi
** May 22, 1863 - Assault on Vicksburg, Mississippi
** July 4, 1863 - Surrender of Vicksburg, Mississippi
Advance on Jackson, Miss., July 4-10. Siege of Jackson July 10-17. Duty at Vicksburg until August 25. Ordered to New Orleans August 25, and duty there until October 3. W
* October 3-November 30, 1863 - The (II) Bayou Teche Campaign 
At New Iberia until December 6. Moved to New Orleans December 6, thence to Pass Cavallo, Texas, December 8-20, and duty there until February, 1864. Reconnaissance on Matagorda January 21, 1864. Moved to New Orleans February, 1864. 
* March 10-May 22, 1864 - The Red River Campaign
** March 14-26, 1864 - Advance from Franklin, Louisiana to Alexandria, Louisiana 
** Battle of Sabin Cross Roads April 8. 
** Pleasant Hill April 9. 
** Cane River Crossing April 23. 
** April 30-May 10, 1864 - Damming of Alexandria, Louisiana 
** May 13-20, 1864 - Retreat from Alexandria, Louisiana to Morganza, Louisiana
Mansura May 16. Moved to Baton Rouge, La., and duty there until August 1. Operations in Mobile Bay against Forts Gaines and Morgan August 2-23. Siege and capture of Fort Gaines August 3-8. Siege and capture of Fort Morgan August 8-23. At Morganza Bend, Mississippi River, until October, and Provost duty at New Orleans, La., until March, 1865. Campaign against Mobile, Ala., and its defenses March 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. Expedition to Tombigbee River and Macintosh Bluffs April 13-May 9. At Mobile until July. Mustered out July 10, 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 2 Officers and 66 Enlisted men killed and mortally wounded and 1 Officer and 137 Enlisted men by disease. Total 206.
== Legacy ==
== Notes ==
== Sources == 
* (Pages 749, 750, 751, 752, 753, 777, 779, 1079)
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