In all the world, Seym (Seym 
) is an extremely rare epicene first name. More frequently, Seym is the last name as well as the forename.
Ana, Damien, Gisell, Gloria, Isabel, Socorro, Alberto, Celmira, Claudia, Beatriz, Rodolfo, Roberto, Richard, Gerardo, Hossain, Benjamin, Christian, Elizabeth, Karina, Francisco, Adolfo, Miguel, Raul, Rosa, Rene, Luis, Jose, Juan, Olga, Maria, Smail, Alida, Chayo, Ramon, Rocio, Lucia, Norma, Martha, Manuel, Susana, and Hans-Henning