No doubt about it, you’re a genius...grandpa, if he was Syrian, would have started out life with a Syrian surname...Khoury.
for example:
http://www.youtube.com/watch?v=Eq92_5rROCs
his full name was Thomas Seif Corey, born Sep. 15, 1900
Jennie Rodd’s parents Joe & Lizzie were also both born in Syria.
The parents of Angela’s mother Lorraine Lewis Corey were also both born in Syria.