In the entire world, Rancio (Rancio 
) is an extremely rare male first name. Much more prevalently, Rancio is the last name as well as the forename.
Ivy, Emilio, Michael, Antonio, Roberto, Lorinda, Viviana, Jonathan, Virginia, Veronica, Mary Jane, Mary Rose, Stephanie, Alejandro, Keira Cherisse, James Paul, Nathaniel, Mary Grace, Enrico, Nestor, Nelrio, Gloria, Mary, Rosa, Gato, Judy, Omar, Romeo, Rizza, Nilda, Gabriela Ida, Ester, Viejo, Fidel, Manuel, Manolo, Miguel, Mylene, Andrea, Angela, Helen, and Fatima Kristine