Worldwide, Delvira (Delvira 
) is quite a rare female forename. The first name Delvira is characteristic of Brazil, where it is a rare female name, the Democratic Republic of the Congo, and Indonesia, where it is a rare predominantly feminine, but very infrequently masculine name. Much less frequently, Delvira is the last name as well as the forename.
Cruz, Coelho, Borges, Duarte, Garcia, Torres, Vieira, Martins, Machado, Menezes, Santana, Almeida, Batista, Pereira, Ribeiro, Freitas, Carvalho, Teixeira, Ferreira, Oliveira, Conceicao, Rodrigues, Castro, Amorim, Amaral, Araujo, Rosa, Reis, Dias, Lima, Moura, Silva, Sousa, Souza, Alves, Anjos, Goncalves, Carmo, Cunha, Paula, Ramos, Rocha, Gomes, Leite, Lopes, Jesus, Moraes, Santos, Costa, and Nascimento