Concordia Parish later derived its name from the fort. The town was called Concord by 1801. The Orleans Territorial legislature in 1811 changed the name of the city to Vidalia after its founder.
The origin of Concordia Parish's name came from a fort, which prompted the town to be called Concord by 1801. However, in 1811, the Orleans Territorial legislature decided to rename the city Vidalia, after its creator.