This newspaper article lists some of the Confederate dead that were buried in and around New Orleans:

http://chroniclingamerica.loc.gov/lccn/sn82015753/1866-07-19/ed-1/seq-3/#date1=1836&index=3&rows=20&words=Choctaw+Indian+Louisiana&searchType=basic&sequence=0&state=&date2=1922&proxtext=Louisiana+Choctaw+Indians&y=14&x=22&dateFilterType=yearRange&page=1