"Certain surnames are black?"
Well,when is the last time you met a white person with the last name of Washington???
Try this Google image search for "Bill Washington." Do some research before you make such silly statements.
http://images.google.com/images?sourceid=navclient&ie=UTF-8&rls=GGLD,GGLD:2004-32,GGLD:en&q=bill%20washington&sa=N&tab=wi