In the world, Gildasio (Gildasio 
) is a common boy's given name. The given name Gildasio is characteristic of Brazil, where it is quite a rare male name, and Portugal, where it is a rare boy's name.
| VARIANT | COUNTRY |
|---|---|
| Gildasio | Brazil, United States, Mexico, Portugal, Spain |
| gildasio pereira aranha Brazilian politician, BR (b. 1966) |
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| gildasio cerqueira daltro researcher |
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| gildasio santos rezende |
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Mota, Amorim, Borges, Junior, Vieira, Moreira, Miranda, Santana, Almeida, Andrade, Cardoso, Barbosa, Batista, Pereira, Ribeiro, Queiroz, Carvalho, Teixeira, Ferreira, Oliveira, Conceicao, Rodrigues, Araujo, Soares, Santos, Mendes, Melo, Cruz, Reis, Dias, Lima, Neto, Matos, Silva, Sousa, Souza, Goncalves, Alves, Costa, Brito, Ramos, Rocha, Gomes, Lopes, Jesus, Neves, Nunes, Filho, Anjos, and Nascimento