[5] Her four-act opera Judith is cited in American essayist Theodore Stranton's The Woman Question in Europe as an example of French women's achievements in music.
[7] Her opera Le Mariage de Tabarin was staged to great success on December 5, 1855, at the Theatre Royal in Florence and in numerous other cities.
[7] In addition to her musical work, Thys was also a novelist: she published the novel Les bonnes bêtes under the pseudonym Mme.
[8] In 1877, she founded the Association des femmes artistes et professeurs, an organization whose aim was to address the obstacles faced by women and to draw attention to their work.
[9] The group's first concert, presented on March 11, 1877, featured the work of composers Delphine Ugalde, Clémence de Grandval, Amélie Perronnet, and excerpts from Thys's comic opera Le Mariage de Tabarin.