Surname Ilda Ercilia (Ilda Ercilia 
) , worldwide, is an extremely rare cognomen. The last name Ilda Ercilia is characteristic of Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. More frequently, Ilda Ercilia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ilda Ercilia | Ecuador, Chile, Argentina |