Third Battalion State Cavalry, composed of four companies, was reported 76 present; total, 225, station near Dry Grove, October 29, 1864, Capt. D. G. Cooper commanding.
Company A -- Capt. Pierce’s Company (raised in Lawrence County, MS) and Capt. Cooper’s Company, aka Clark Rebels (raised in Rankin & Simpson Counties, MS)
Company B -- Capt. Little’s Company (raised in Copiah County, MS)
Company C -- Capt. Yerger’s Company (raised in Copiah County, MS)
http://www.mississippiscv.org/MS_Units/3rd_Bn_MS_St_Cav_Res.htm