Could be duplicate records of the same individual

McBride Gum, Private, Capt. J. W. Marshal’s Company,* enlisted February 18,1863 at Pocahontas by J. W. Marshall for 3 years/March 18, 1863 at Huntersville by J. W. Marshall for 3 years, last recorded present “without horse,” February 29, 1864, no further records

……

McBride J. Gum, Private, Capt. J. W. Marshal’s Company,* enlisted February 1, 1863 at Pocahontas by J. W. Marshall for 3 years/March 18,1863 at Huntersville by J. W. Marshall for 3 years or the war, recorded on February 29, 1864 as present, “mounted,” last recorded present on October 31, 1864, “one hundred dollar bond due,” no further records

* This company subsequently became Company I, 19th Regiment Virginia Cavalry

Compiled Service Records of Confederate Soldiers Who Served in Organizations from the State of Virginia