Cognomen Claircilia (Claircilia 
) , in all the world, is an extremely rare family name. The cognomen Claircilia is habitual in Latin America and the Caribbean, particularly Venezuela, where it is an extremely rare surname. More frequently, Claircilia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Claircilia | Venezuela, Brazil, United States |