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Last name Gerardo Hernan (Gerardo Hernan
) , across the world, is a rare cognomen. The cognomen Gerardo Hernan is habitual in Latin America and the Caribbean, particularly Chile, where it is quite a rare surname. More frequently, Gerardo Hernan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gerardo Hernan | Argentina, Costa Rica, Ecuador, Chile, Peru |