Al,

Perhaps you've found what you need by now. If not, I note that the American Civil War Research Database (a pay site, but well worth it) doesn't show anyone who obviously fills the bill among 16 men named "Samuel Moore" and who died in 1863; however, there are one or two who might.

http://www.itd.nps.gov/cwss/

LDs Family Search
http://www.familysearch.org/eng/Search/frameset_search.asp