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In the world, Yerko (Yerko , Ерко , Єрко ) is quite a rare boy's forename. The forename Yerko is habitual in Bolivia, where it is quite a common masculine name, Chile, where it is quite a rare masculine name, and Ethiopia, where it is a rare masculine name. Also, Yerko is the last name as well as the forename.
Soto, Sanchez, Salinas, Alvarez, Barrera, Ramirez, Herrera, Vergara, Fuentes, Martinez, Carvajal, Castillo, Riquelme, Gallardo, Gonzalez, Espinoza, Olivares, Sepulveda, Alejandro, Contreras, Rodriguez, Gutierrez, Morales, Hernandez, Flores, Nuñez, Diaz, Toro, Vera, Silva, Araya, Bravo, Perez, Rojas, Reyes, Gomez, Lopez, Tapia, Ortiz, Medina, Muñoz, Andres, Castro, Cortes, Rivera, Guzman, Torres, Vargas, and Valenzuela