Mag-Avril was born on March 9, 1899 in Marseille, Bouches-du-Rhône, France. She was an actress, known for Pêcheur d'Islande (1959), Le théâtre de la jeunesse (1960) and La Grande Vadrouille (1966). She died on November 4, 1985 in Neuilly-sur-Seine, Hauts-de-Seine, France.