In the world, Billier (Billier 
) is an extremely rare male forename. Much more prevalently, Billier is the last name as well as the forename.
Mr, Pierre, Daniel, Gaetan, Jerome, Julien, Nikita, Evelyn, Walter, Yvette, Salomé, Sabrina, Anthony, Aurelie, Céline, Bernard, Patrick, Rebecca, Laurent, Jacques, Nicolas, Etienne, Pascal, Klaive, Carole, Alexis, Ms, Anis, Rene, Léa, Jean, Eric, Marie, Mario, Sacha, Alexa, Vincent, Alice, Annie, Denis, David, Lucas, Julie, Nadia, Marion, Michel, Sophie, Sylvie, Alain, and Olivier