The Italian surname Greco is an ethnic name for a Greek, from Italian Greco (Latin Graecus). The name is first recorded in Florence in the 13th Century. In 1258 Alberto dei Greci left the Ghibeline faction in Florence and moved to Bologna where he became mayor. The name is first recorded in the New World in 1893 when Allesandro Greco, aged 15 years, arrived in Ellis Island from Mondicina, Italy. Today there are approximately 17,000 bearers of the name Greco living in the U.S.