Sorry, I hit submit too soon, and I messed up with my cut & paste.

Let me try that again:
Historically, and nowadays there are numerous people who have Arabic names who aren't Muslim. For example, to [re]quote one sentence from my 11 Aug 07 - 05:27 PM post on "Jewish Names in the World of Medieval Islam", The vast majority of Jewish women in the medieval Muslim world had classical Arabic names...