There are more Moores by this name than one might imagine:

George W. Moore, Co. "G", 28th Miss. Regt. (Mtd.),
George W. Moore, Co. "G", 8th Confederate Cavalry,
George Moore, Co. "I", 18th Miss. Cavalry,
G. W. Moore, Co. "I", 2nd Miss. Cavalry,
G. W. Moore, 12th Miss. Cavalry.

In addition, there are G. W. Moores on roll with:

Co. "D", 1st Miss. Cavalry Res.,
Co. "B", 2nd Miss. Cavalry Battn. Res.,
Co. "A", 3rd Miss. State Troops Cavalary,
Co. "E", 3rd Miss. Cavalry Battn. Res.

Take your pick.....