Go down to the courthouse or where land records are kept and research it. If one was recorded and there's no notation of it being vacated, it still exists. Better yet, go to a title house who will do that research and warrant their work.
I assume you are in St. M a r t i n Parish. The board considers that a naughty word because it is the name of the system administrator. Oddly, there's another Louisiana Parish with St. and her first name that it doesn't blip out.