Surname Gercilia (Gercilia 
) , all around the world, is an extremely rare last name. The cognomen Gercilia is characteristic of Latin America and the Caribbean, particularly Mexico, where it is an extremely rare surname. Much more frequently, Gercilia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gercilia | Mexico, Honduras, United States, Brazil, Democratic Republic of the Congo |
Maia, Barros, Vieira, Martins, Machado, Moreira, Miranda, Santana, Almeida, Cardoso, Barbosa, Batista, Pereira, Ribeiro, Freitas, Carvalho, Teixeira, Ferreira, Oliveira, Alcantara, Conceicao, Rodrigues, Araujo, Soares, Santos, Mendes, Melo, Cruz, Reis, Dias, Lima, Moura, Mello, Silva, Sousa, Souza, Goncalves, Alves, Costa, Cunha, Brito, Rocha, Gomes, Lopes, Jesus, Neves, Macedo, Morais, Assis, and Nascimento