Sorry, but I've been able to locate him in Tennessee units. I did find this fellow, but he doesn't fit.
Hugh Oliver Johnson
BIRTH 3 Mar 1840 Carter County, Kentucky, USA
DEATH 5 Jan 1912 Elliott County, Kentucky, USA
BURIAL Johnson Family Cemetery Elliott County, Kentucky, USA
MEMORIAL ID 63312914
Son of Jesse Johnson Sr. and Polly Boggs. Married Barbara Ellen Porter. Served in Civil War with Capt. William Jason Field's Company of Kentucky Partisan Rangers, CSA. Captured near Grayson, KY, on May 11, 1863. Sent to Point Lookout Prison in Maryland. Released on Jan. 10, 1864, when he took the Oath of Allegience to the United States.