I don't know if anyone has provided this info already, but I believe the orphan asylum you're referrring to is St. Elizabeth's Orphanage which was purchased by Anne Rice and turned into a doll museum. It's located at 1314 Napoleon Avenue in New Orleans. My maternal grandmother lived there for 8 years, between 1915 and 1923, and had horrible memories of the place. If you discover anything about the history of this institution, I would appreciate it if you could share what you find. Thanks!