Aine,I didn't mean that there aren't similar types of people in the US, simply that an accurate definition of 'hooray henry' by necessity invokes a dimwit from the English 'home counties' (the counties that surround London.)
I'm not trying to claim that we have a monopoly on overly rich, underly cerebral young men...
Related is the term 'sloane ranger' which pretty much describes the female equivalent of the above.
(Yes, Princess Diana was one)
Clare