1) Maltese surname 
The Xuereb surname is quoted by author Charles A. Gauci in his book The Genealogy and Heraldry of the Noble Families of Malta. The author writes that the earliest references of this family go back to 1517 with Tommeo Xuereb mentioned as `Nobile` or `Noble`. Gauci gives us also the Coat of Arms of the family, but tracing the origin of the name ...