In the entire world, Sencier (Sencier 
) is an extremely rare unknown gender forename. Much more prevalently, Sencier is the last name as well as the forename.
Mr, Nicole, Elodie, Franck, Sylvain, Antoine, Chantal, Colette, Clement, Julien, Josiane, Florian, Beverley, Philippe, Dorothee, Lucienne, Nathalie, Catherine, Elizabeth, Natalia, Roxane, Pierre, Karine, Ms, Lee, Flo, Kyle, Paul, Rute, Dale, Luiz, Theo, Marie, Sasha, Simon, Cloé, Paulo, David, Sirene, Audrey, Clem'S, Benoit, Marie-Anne, and Christophe