3rd. Corp. S. P. Evans (CO F / 31st. LA Inf.) died 10 July 1862 in Jackson, MS. He is noted in this list as buried in the Greenwood Cemetery in Jackson.

http://www.nps.gov/vick/historyculture/confederate-interments.htm

There are four cards in his military service records, these may be procured at this site.

http://history-sites.com/research/index.html