Cognomen Geyci (Geyci 
) , in the world, is an extremely rare last name. The family name Geyci is characteristic of Latin America and the Caribbean, particularly Nicaragua, where it is a very rare surname, Honduras, and Mexico, where it is an extremely rare surname. More frequently, Geyci is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Geyci | Brazil, Mexico, Honduras, United States, Peru |
Deus, Marques, Almeida, Andrade, Bezerra, Racttes, Tananta, Marreiro, Carvalho, Portugal, Fernanda, Ferreira, Oliveira, Mazzacani, Sifuentes, Colognesi, Farias, Vieira, Britto, Chaves, Maria, Silva, Sousa, Souza, Alves, Alwes, Costa, Rosariana, Cocco, Paula, Perez, Pires, Lopez, Morais, Santos, Araujo, Kelly, and Rodrigues