I can not locate a John Wycliffe Shoptaw, but find these four Shoptaw's in Arkansas units. Furthermore, the 3rd Arkansas Battalion was not present during the Vicksburg siege.

George Martin

A. T. Shoptaw

Sergeant "B" Co. AR 15th Militia Infantry

&

Private "H" Co. AR 35th Infantry

............

M. T. Shoptaw

E" Co. AR 34th Infantry

.............

W. K. Shoptaw

Private "H" Co. AR 35th Infantry