Originating from Latin roots, the unique given name Castian is derived from the masculine adjective 'castus', which means 'pure' or 'chaste'. While its direct usage as a standalone first name is quite rare, it's often encountered in combination with other names, such as Castellain or Cassian. Historically, variations of this name have been used by some notable figures, adding to its unique allure.
"In 2023 alone, five individuals were named Castian."