 Sicilian emigration to the US grew substantially istarting in the 1880s to 1914, when it was cut off by the World War.Many Sicilians and plan to return home after a few years making money in the United States, but the wartime delay allowed many to assimilate into better jobs and wartime experience, so they did not return.By 1924 about 4,000,000 Sicilians emigrated to the US, And several million returned..