I think
Pasha is either turkish, arabic or albanian.
Pasha was a albanian klan who ruled the Ottoman Empire for a period of time.
Many of the albanians at the time had turkish or arabic name other where christian and did not convert to Islam so they only used albanian names, or christian names.
Ali Pasha Tepelena
http://encyclopedia.thefreedictionary.com/Ali%20Pasha