In all the world, Tressell (Tressell 
) is an extremely rare unisex forename. More prevalently, Tressell is the last name as well as the forename.
Leo, Lorene, Louise, Jennie, Justin, Thomas, Michael, Stephen, Donald, Anthony, Barbara, Bradley, Phyllis, Deloris, William, Cristina, Patricia, Annette, Robert, Amanda, M. Lee, Lee, Mary, Mark, Brad, Karl, John, Marie, Marty, Aaron, Carla, Paula, David, James, Jetta, Terry, Marian, Martin, Demetrius, and Georgiana