More About Italian Name: Kiara. Kiara is a female given name. Variants include Chiara (Italian), Ciara (Irish) as well as alterations such as Keearra, Keira, Kiarra and Kierra. The name is derived from the Gaelic and means 'Little dark one' in the Irish version and 'brightness' in Italian.ore About Italian Name: Kiara. Kiara is a female given name. Variants include Chiara (Italian), Ciara (Irish) as well as alterations such as Keearra, Keira, Kiarra and Kierra. The name is derived from the Gaelic and means 'Little dark one' in the Irish version and 'brightness' in Italian.