Cognomen Davydson (Davydson 
) , all over the world, is an extremely rare family name. The last name Davydson is habitual in Latin America and the Caribbean, particularly Brazil, where it is an extremely rare surname. Much more frequently, Davydson is the forename as well as the last name.
Ana, Junior, Tabosa, Vieira, Freire, Mariano, Martins, Almeida, Cardoso, Barreto, Barroso, Barbosa, Ribeiro, Furtado, Wissley, Queiroz, Carvalho, Cavenago, Ferreira, Oliveira, Rodrigues, Carnelossi, Guedes, Coelho, Castro, Amaral, Maia, Moan, Melo, Reis, Leal, Lima, Luiz, Mussi, Silva, Sousa, Cavalcante, Souza, Costa, Pinto, Rocha, Gomes, Lopes, Jesus, Maciel, Santos, Soares, Araujo, Alves, and Nascimento