Cassis Family History

Italian: patronymic from the personal name Cassio or alternatively from the nickname based on cassa ‘chest coffin’. It is formed with the Latin ablative plural suffix -is imparting the sense ‘belonging to of’ in this case ‘member of the Cassi family’ (compare Cassi). This surname originates from the province of Bergamo.

Arabic: variant mainly Americanized of Kassis. This surname is also found in Haiti where it is a French-influenced variant.

Americanized form of Greek Kassis.