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.
Concordia Parish received its name from a fort, and subsequently, the town was designated as Concord by 1801. Subsequently, the Orleans Territorial legislature changed the city's name to Vidalia in 1811, following its founder.