I occasionally shoot newbie amateur glamour nude models, and I've noticed a few times when I go to shoot their 2257 ID pix (if I didn't already know the info), that they are using their real (legal) name as their modeling name.
The ADG "Porn 101", "How a Stage Name Works", "Security and Privacy", and "Securing a Web Domain name with Private Registration" lecture series generally follows, which most girls genuinely seem to appreciate.
ADG