He is known for his historical works, such as the poems Hymne à la Liberté and Le Rêve d'un Haytien, and the plays La Mort du Général Lamarre and La Jeune Fille. Dupré was killed in a duel  at about 34 years of age.
Dupré, known for his historical works like the poems "Hymne à la Liberté" and "Le Rêve d'un Haytien," and plays such as "La Mort du Général Lamarre" and "La Jeune Fille," was tragically killed in a duel at around 34 years old.