Around the world, Chellman (Chellman 
) is an extremely rare unknown gender forename. Much more frequently, Chellman is the last name as well as the forename.
Rj, Alice, Chuck, Carol, Caleb, Colin, Becky, Brian, Karen, Kayla, Kevin, Patti, Peter, David, Doris, Laura, James, Jayne, Jerry, Nancy, Heidi, Isaac, Faye, Eric, Nils, Nick, Ann, Dan, Lee, Mari, Mary, Alva, Pete, Rett, Rick, Rita, Marion, Ruth, Doug, Gary, Lisa, Jack, John, Joel, Jocl, Jill, Todd, Nate, Dana, and Marcia