In all the world, Bieren (Bieren 
) is an extremely rare masculine first name. Much more frequently, Bieren is the last name as well as the forename.
Mr, Lisa, Lucy, Jack, John, Joey, Joek, Jeff, Tijn, Noah, Elly, Eric, Emma, Fred, Maura, Selma, Steve, Stijn, Alice, Arnel, Amber, Corey, Lany, Cezar, Dean, Rika, Bob, Kay, Pam, Rob, Roy, Rey, Rex, Jan, Jay, Joe, Job, Marc, Mary, Mara, Amey, Chad, Cees, Beth, Kate, Paul, Rene, Rudy, and Betty