Greek name, comes from the (Κρέουσα) which actually means - "princess".
In Greek mythology Creusa was the daughter of king Creon of Corinth, Greece. After Jason divorced Medea, he married Creusa. Medea obtained her revenge by giving Creusa a dress which Medea had cursed. The curse caused the dress to stick to Creusa's body and burn her to death as soon as she put it on.