All around the world, Σίγμα (Σίγμα ) is an extremely rare unknown gender forename. Much more frequently, Σίγμα is the last name as well as the forename.
Αθηνά, Μιχάλης, Γιώργος, and Στέφανος
) is an extremely rare unknown gender forename. Much more frequently, Σίγμα is the last name as well as the forename.