Worldwide, Clais (Clais 
) is a very rare girly first name. The first name Clais is habitual in Latin America and the Caribbean, particularly Brazil, where it is a very rare feminine name. More frequently, Clais is the last name as well as the forename.
Mr, Sarah, Allen, Annie, Cindy, Bryan, Kevin, David, Diego, Louis, Lucas, James, Jason, Johan, Julie, Théo, Nolan, Nesta, Ester, Handy, Herve, Henri, Monza, Marie, Maria, Yann, Ms, Sem, Ana, Tim, Eva, Yul, Marc, Sara, Swan, Alex, Heidi, Anne, Paul, Gwen, Jade, Jose, Jean, Theo, Tony, Eddy, Hugo, Iris, Béa, and Fanny