Cacia is of Latin origin, derived from the feminine form of 'Cacius', which means 'alert' or 'watchful'. It is a rare and unique name that lends itself well to creative spelling variations such as Kacia or Caescia. The name gained some popularity in the late 20th century but remains uncommon, making it an appealing choice for parents seeking a distinctive moniker.
"Cacia saw peak popularity in 1992 with 11 births that year. The name's usage has been consistent over time, with an average of about five births per year."