According to Sifakis Compendium of the Confederate Armies - Mississippi, Mississippi 7th Infantry Battalion also known as the 8th Infantry Battalion fought in the following battles:

Iuka
Corinth
Vicksburg campaign
Vicksburg siege
Atlanta campaign
Cassville
New Hope Church
Latimer's Mills
Kennesaw mountain
Atlanta siege
Smyrna campground
Chattahoochee river
Atlanta
Peach tree Creek
Ezra Church
Jonesboro
Lovejoy station
Allatoona
Franklin
Nashville
Mobile