Across the world, Boulio (Boulio 
) is an extremely rare unknown gender first name. Much more frequently, Boulio is the last name as well as the forename.
Marc, Parker, Rachel, Rodney, Devika, Noyale, Franck, Michael, Kaleigh, Charly, Patrick, Doriane, Nicolas, Vanessa, Océane, William, Zachary, Patricia, Kaleigh N, Racheal, Sandra, Julia, Lynda, Mary, Alan, Adam, Dawn, Lisa, Loic, Luke, Joan, Ella, Yann, Zack, Susan, Aaron, Chris, Casey, Corey, Brian, Karen, Ralph, Christopher, and Marie Claire