Roster of Confederate Soldiers, 1861-1865 shows:
Lewis, John C. KY 2nd (Duke's) Cav. Co.A Sgt.
Lewis, John C. KY 5th Mtd.Inf. Co.B
Lewis, John C. KY Fields' Co. (Part.Rangers)
Don't know if this is the same person or not but his service record should be able to tell you.