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All around the world, Mercia (Mercia , Mércia , מרסיה ) is a widespread principally feminine, but scarcely boy's first name. The given name Mercia is habitual in the Democratic Republic of the Congo, where it is a common mostly girly, but seldom masculine name, Namibia, where it is quite a common female name, and Brazil. Not in comparison with a country's population, it is commonest in the Democratic Republic of the Congo, Brazil, and South Africa.
Melo, Martins, Marques, Moreira, Santana, Almeida, Andrade, Cardoso, Barbosa, Batista, Bezerra, Pereira, Ribeiro, Freitas, Medeiros, Carvalho, Teixeira, Ferreira, Oliveira, Conceicao, Rodrigues, Goncalves, Farias, Vieira, Barros, Campos, Cruz, Reis, Dias, Lima, Moura, Silva, Sousa, Souza, Alves, Costa, Fernandes, Cunha, Ramos, Rocha, Gomes, Leite, Lopes, Jesus, Nunes, Santos, Soares, Araujo, Brito, and Nascimento