 Her last appearances were in the telenovelas "El dolor de amar" (1966), in which she played a villain for the first time, and "Felipa Sánchez, la soldadera" (1967), in which the press declared she created "an unforgettable character" as the title role.Quintana, who never married, suffered from pancreatic problems and kidney failure during her last months.She died of a stroke on 8 August 1968, in Mexico City; she was survived by her mother, Alejandra Molina, and her two siblings, Juana Quintana Molina and José Díaz Molina.