Globally, Сиама (Сиама , Sciama ) is an extremely rare girly given name. Much more prevalently, Сиама is the last name as well as the forename.
Siama, Syama, and סיאמה
Мамедова
, Sciama 
) is an extremely rare girly given name. Much more prevalently, Сиама is the last name as well as the forename.