Harry and Mark Evans

[meriaugust]

No: HPFGUIDX 83027

I know there has been a lot of speculation about Harry's relationship 
to Mark Evans, the boy Dudley and his gang beat up in OotP. We find 
out (for the first time in the books anyway) that Lily's maiden name 
was Evans in the Pensieve scene in OotP. Knowing JKR's style as we 
all do, this is probably not a coincidence. My question is this. Is 
there a cannon reference (JKR's interviews nonwithstanding) that 
Harry ever knew that his mother's maiden name was Evans before that 
chapter in OotP? If he did, and even if he didn't, what's to stop him 
from putting two and two together and poping a few streets over to 
the Evans' house and seeing if they haven't any flying broomsticks or 
cauldrons? 

On the other hand, surely Aunt Petunia would know about them, it is 
after all her side of the family. Wouldn't her rejection of any 
contact with the magical world keep her from living so close to 
family members who knew Lily's true identity? Wouldn't she have 
pushed them out of her life as she seems to have done with her own 
parents (living or dead, we don't know)? So, maybe little Mark Evans 
is just a coincidence? Thoughts? 

Meri