Last name Mercilia (Mercilia 
) , in all the world, is a very rare family name. The family name Mercilia is habitual in Netherlands, where it is a very rare surname, Nicaragua, and Honduras. Measured by absolute frequency, this name is the most popular in Mexico, Netherlands, and Honduras. Predominantly, Mercilia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mercilia | Philippines, Mexico, United States, Brazil, Democratic Republic of the Congo |
Maia, Soares, Araujo, Barros, Borges, Pierre, Dulcio, Joseph, Moreira, Millien, Almeida, Cardoso, Batista, Pereira, Queiroz, Milhomme, Bassafoula, Ferreira, Oliveira, Conceicao, Rodrigues, Fernandes, Santos, Filha, Nunes, Jesus, Melo, Cruz, Cyka, Rosa, Remy, Dias, Gama, Leal, Lima, Luiz, Nascimento, Jean, Mello, Silva, Sousa, Souza, Alves, Costa, Paula, Rocha, Gomes, Lucas, Moura, and Do Nascimento Filha