Billy is normally a nickname for William. William (from old German, with Wilhelm) has the meaning "determined protector".
The name 'Billie' means beautiful, gorgeous, smart
If you mean by your question how this name written in Arabic --> Billy Magdadaro : بيلي مغدادارو
a boy goat i guess or do you mean the name a billy or a buck are both names buck is more formal. billy is semislang
Billy Silva's birth name is Billy Campbell.
Billy Name goes by Billy Goat Clinic.
If you mean the singer of the band billy talent (singers name is ben kowalewicz), then he has 1 brother
Billy Name's birth name is William Linich.
Billy Lovelady's birth name is Billy Nolan Lovelady.
Billy Stegall's birth name is Billy Howard Stegall.
Billy Grabarkewitz's birth name is Billy Cordell Grabarkewitz.
Billy Vaughan's birth name is Billy Scott Vaughan.
Billy Drago's birth name is Burrows, Billy Eugene.
Bella's dad's name is Charley Swan. (played by Billy Burk in the movie) It is Charlie Swan.