"What are Jewish sounding names?"
Here's a start:
http://www.jewish-languages.org/onomastics.html
http://www.languagehat.com/archives/000416.php
http://www.britannica.com/ebi/article-205136
http://www.bh.org.il/Links/surnames.asp
http://www.genealoj.org/ENtexte/page15.html
http://www.orthohelp.com/geneal/names.htm
http://www.avotaynu.com/
http://www.gaminggeeks.org/Resources/KateMonk/Middle-East/Jewish/Surnames.htm
Thanks for those links, how accurate is the name thing? For instance would it be a good bet to guess that Vidal Sassoon would be Jewish. Would Michael Medved be assumed to be Jewish because of his name? I know of course that he is, but would the name have revealed that to, say north easterners.