 Civil government having been restored in France under Napoleon, in 1803 Maréchal was recalled to France by his superiors to teach at Saint-Flour, Lyon, Aix and Marseilles.In 1812 he was again assigned to teach at St. Mary's in Baltimore, where for a time he also served as president.His pupils at Marseilles presented him with the marble altar which now stands in the Baltimore Basilica, and King Louis XVIII demonstrated his regard by presenting him with several paintings, which also remain in that Basilica.