How New Orleans' Faubourg Marigny spawned the city of Mandeville in St. Tammany Parish

Here's an old piece from Richard Campanella, Tulane professor, Greater New Orleans Know-It-All, Picayune contributor, and overall interesting person. This time he ties in the history of the Faubourg Marigny to Mandeville: https://www.nola.com/entertainment_life/new-orleans-faubourg-marigny-mandeville-st-tammany/article_0f55b39a-858d-4d21-8711-ec8d98c1fa3e.html