Namesakes for MARIUS: Fictional Characters from Books: 1 character Marius Pontmercy 1862 Les Misérables Fictional Characters from Plays and Musicals: 1 character Marius Pontmercy 1980 Les Misérables Saints: 3 saints Saint Marius 530-594 Saint Marius ?-555 Saint Laurent-Joseph-Marius Imbert ?-1839