McCONE, WILLIAM J
Private—Enlisted in (old) Co. B at Pine Bluff, Arkansas, July 25, 1861; transferred to this company, (Company "G") April 17, 1862; absent on detached duty as teamster with the train, April 30, 1862; captured at Vicksburg, Mississippi, July 4, 1863; paroled, July 8, 1863; exchanged at Demopolis, Alabama, November 14, 1863; killed in action at Franklin, Tennessee, November 30, 1864.
You might also look at William and Archibald McKeown of Company "B" as possible kin. names often got misspelled on muster rolls.