In the entire world, Billia (Billia 
) is a very rare unisex given name. The first name Billia is habitual in Italy, where it is a very rare unisex name, Philippines, where it is a very rare girly name, and Nigeria, where it is a very rare epicene name. More prevalently, Billia is the last name as well as the forename.
Mr, Marta, Marco, Marly, Mabel, Simon, Sonia, Sofia, Andre, Ahmed, Carlo, Carla, Bruno, Kiara, Paola, Paolo, Peter, Piero, Raoul, Delia, David, Diego, Mario, Maria, Hawa, Enzo, Ms, Ana, Ava, Dee, Iga, Mary, Mara, Mike, Aldo, Anna, Gonza, Pier, Rita, Ryan, Luca, Luiz, Luuz, Jose, Juan, Nuha, Eric, Enid, Rino, and Laura