Cognomen Ylcia (Ylcia 
) , globally, is a very rare last name. The family name Ylcia is habitual in Latin America and the Caribbean, particularly Venezuela, where it is a very rare surname, and Mexico. Likewise, Ylcia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ylcia | United States, Mexico, Venezuela, Colombia, Peru |