In the entire world, Boulo (Boulo 
) is a very rare gender-neutral forename. Much more frequently, Boulo is the last name as well as the forename.
Ms, Maman, Sheri, Simon, Susan, Serge, Sonia, Alain, Allan, Andre, Mahad, Roman, Denis, David, Giles, Louis, Jamie, Jason, Joris, Teddy, Tyler, Regis, Marie, Yves, Frã, Ben, Guy, Jon, Marc, Stã, Anna, Anne, Adã, Asta, Paul, Rene, Ryan, Gwen, Loic, Jane, Joel, Jean, Jill, Tima, Eric, Eili, Erwan, and Herve