A feminist and leftist, Carlota O'Neill wrote dramatic works (Nosotros, with the Central Proletarian Theater; her work Al Rojo premiered in Madrid on 11 February 1933) and founded and directed the magazine Nosotras in 1934.
Feminista e de esquerdas, Carlota O'Neill escribiu obras dramáticas -coa Central de Teatro Proletari-, estreou en Madrid a súa obra A fuego, o 11 de febreiro de 1933, e fundou e dirixiu a revista Nosotros en 1934.