2nd Cavalry Battalion was organized at Manassas, Virginia, in October, 1861, with one Alabama and three Mississippi Companies. During January, 1862, it merged into the Jeff. Davis Mississippi Cavalry Legion.
See the 4th Cavalry Battalion. This unit was aka 4th Battalion Mississippi Cavalry (Baskerville’s), aka Pope Walker Battalion Mississippi Cavalry, aka Alabama and Mississippi Battalion Confederate Cavalry; eventually became part of the 8th Confederate Cavalry.