She could be Polish. Shortnes from polish name Katarzyna is Kasia. When you read it in Polish sounds like Kesha :)
Kathy retains its integrity as a name in Polish: Kathy is the same in both English and Polish.
The female name Kasia is of Polish origin, and it's meaning is "Pure". The name is a variant of Catherine(Greek) and Katherine(Greek). Similar sounding names include Kasi, Casia, Katia, and Casha.
Kasia Adamik's birth name is Katarzyna Adamik.
Kasia Orzazewski's birth name is Catherine Galizewski.
Kasia Kowalczyk's birth name is Katarzyna Kowalczyk.
Kasia Klich's birth name is Katarzyna Klich.
I hope we are talking about the same teen kasia! (the pornstar). Her real name isKasia Uscilko
Catherine = Katarzyna (Kah-tah-rz-nah) Kate/Katy = Kasia (Kah-shya)
Kasia Pilewicz goes by Kasia, Kasia Fierce, and Kasia P.
Kasia Kaczmarek
Kaylah and Kasia