Well, better late than never... Since St. Mary's is a Catholic cemetery, you're in luck. You can contact the Omaha Archdiocese to get the dates you want, and if you ask reeealy nice, they may even get photos. They are located at Calvary Cemetery 7710 West Center Road, Omaha NE 68124. This cemetery handles all of the Omaha area Catholic cemeteries for records and information.