Walker's name became even more widely known by the 1920s, after her death, as her company's business market expanded beyond the United States to Cuba, Jamaica, Haiti, Panama, and Costa Rica.
O nome de Walker fíxose aínda máis célebre na década de 1920, trala súa morte, coa expansión do seu negocio a Cuba, Xamaica, Haití, Panamá e Costa Rica.