Hum... I'm not from the US and do not live there if that's what you are asking.
People usually have enough trouble separating the first name from whatever you call the rest of it and deciding on what part goes where, and you expect them to be able to tell what are the cultural roots of the name?
Keep in mind that not all names on databases are filled by their owners. Besides, I really doubt I would be able to enter my name into whatever you are designing without some amount of lying.