Samuel Jaudon's enlistment should read the same as Captain Thomas Coopwood, both were residents of Monroe County in 1860.
Private Samuel B. Jaudon, enlisted in Captain Thomas Coopwood's Company (Monroe Rangers) September 5, 1861 at Aberdeen, Monroe County, Mississippi...
Sexton records of the Oakland Cemetery in Atlanta indicate April 17, 1863 as the DOD, this may be the actual date of interment.