I don't know if there is a separate list of buried veterans and spouses?
Chalmette Nat'l Hist. Cemetery
Name: Henry Cooper
Service Info.: PVT A 127 US CT
Death Date: 15 Jul 1885
Cemetery: Chalmette National Historical Park
Cemetery Address: Saint Bernard Highway Chalmette, LA 70043
Buried At: Site 9735
National Cemetery Administration. U.S. Veterans Gravesites, ca.1775-2006[database on-line]. Provo, UT, USA: Ancestry.com Operations Inc, 2006.
Original data: National Cemetery Administration. Nationwide Gravesite Locator
What is his wife's name?
Good luck in your search