Across the world, Glaess (Glaess 
) is an extremely rare unknown gender first name. Much more frequently, Glaess is the last name as well as the forename.
Mr, Helen, Wayna, Wilma, Wendy, Mathew, Alfred, Andrew, Ariane, Collin, Bridie, Kaesey, Kelsey, Robert, Daniel, George, Lauren, Tanner, Thomas, Harvey, Fannie, Shelley, Henry, Anthony, Ellen, Donna, Ms, Mac, Ann, Mark, Anne, Cody, Kurt, Paul, Ruth, John, Juli, Timo, Emma, Susan, Alain, Aimee, Carol, Brian, Brett, David, Diane, Laura, and Annette