In all the world, Ildeu (Ildeu 
) is quite a rare primarily boy's, but scarcely female first name. The first name Ildeu is characteristic of Latin America and the Caribbean, particularly Brazil, where it is a rare principally boy's, but very seldom girly name. Much less frequently, Ildeu is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Ildeu | Brazil, United States, United Kingdom |
|
ildeu leonel oliveira de paiva Brazilian politician (1944-2012), BR (b. 1944) |
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| ildeu de novais pinto person identified in the Museu da Pessoa collection, BR (b. 1925) |
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| ildeu andrade researcher |
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| ildeu soares martins researcher at the University of Brasilia |
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Melo, Duarte, Junior, Vieira, Martins, Machado, Moreira, Almeida, Andrade, Barbosa, Batista, Pereira, Ribeiro, Freitas, Fonseca, Carvalho, Teixeira, Ferreira, Oliveira, Rodrigues, Guimaraes, Goncalves, Borges, Coelho, Araujo, Soares, Cruz, Rosa, Reis, Dias, Lima, Neto, Silva, Sousa, Souza, Alves, Fernandes, Abreu, Cunha, Pinto, Rocha, Gomes, Lopes, Jesus, Faria, Filho, Morais, Santos, Costa, and Nascimento