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Cognomen Callardo (Callardo
) , in all the world, is a very rare last name. The cognomen Callardo is habitual in Venezuela, where it is a very rare surname, France, and Philippines. Much less frequently, Callardo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Callardo | Philippines, Mexico, France, United States, Venezuela |
Lea, Mark, Blake, Manuel, Ricardo, Virginia, Jan Russel, and Edward Allan