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In the entire world, Duilio (Duilio , Duílio , דואיליו ) is a common masculine forename. The forename Duilio is characteristic of Italy, where it is quite a common male name, Argentina, where it is quite a rare male name, and Nicaragua. Not in comparison with a country's population, this name is the most popular in Italy, Argentina, and Brazil. Very seldom, Duilio is the last name as well as the forename.
Cruz, Miranda, Sanchez, Almeida, Carrizo, Barbosa, Bianchi, Pereira, Ramirez, Ribeiro, Freitas, Ferrari, Martinez, Mercanti, Carvalho, Gonzalez, Ferreira, Oliveira, Rodriguez, Rodrigues, Hernandez, Fernandez, Martins, Flores, Junior, Garcia, Diaz, Lima, Neto, Silva, Sousa, Souza, Alves, Costa, Perez, Ramos, Fernandes, Rossi, Gomez, Gomes, Lopez, Lopes, Filho, Moreno, Santos, Soares, Araujo, Castro, Rocha, and Nascimento