The famous person Mother Xavier Murphy is associated with one of more of the St. Landry County historic places.
Some of the country's most noteable architects helped create the St. Landry County places including Jeremiah O'Rourke, Samuel Young, William Moore, Etienne Lamorandier, Andre Prudhomme, Pierre Labyche, Virgil Frozard, Michel Prudhomme, Jonathan Harris and Burke & Haley. Prominent architectural styles found in St. Landry Country are Greek Revival, Federal and Colonial.