The 77th Ohio Infantry was organized in Marietta, Ohio, beginning October 28, 1861, and mustered in for three years service under the command of Colonel Jesse Hildebrand.
The regiment was attached to District of Paducah, Kentucky, to March 1862.
2nd Brigade, 5th Division, District of Memphis, Tennessee, to August 1862.
1st Brigade, 3rd Division, VII Corps, Department of Arkansas, to April 1864.
The 77th Ohio Infantry mustered out of service at Brownsville, Texas, on March 8, 1866.