Terilli

Terilli is a surname of Italian origin. While not as common as some other Italian surnames, it is found in various regions of Italy and among its diaspora. The etymology of Terilli is not definitively established, but it is thought to be a diminutive or patronymic form, possibly related to names like Terran or variations thereof, suggesting a connection to land or a place. Like many surnames, its spread and prevalence have been influenced by historical migration patterns.

Individuals with the surname Terilli can be found in Italy, particularly in southern regions, and in countries with significant Italian immigrant populations, such as the United States, Argentina, and Canada. Genealogical research indicates a presence of the Terilli surname across different Italian provinces, suggesting it may have developed independently in several locations or spread from a common ancestral point over centuries. The surname's historical documentation can be traced through various civic and church records in Italy.