(being from a Northeastern state, having a last name that ends in a vowel, having olive skin and dark hair).
So you're saying, the only reasons some people are aware that Christie's mother is Italian is because he fits that description? If his father's English surname were Jones rather than Christie we wouldn't be aware of it?
I'm saying that if his last name were Jones and if he had a more, shall we say, Anglo-Saxon rather than Lombard, appearance, and if he were the governor of a state like Indiana or Oregon, people wouldn't think of him as Italian-American. People outside of forums like this don't heavily research politicians' backgrounds. They make inferences based on what they see.
That reminds me of when people in South Carolina were surprised that Nikki Haley was Indian, AFTER she was elected. Just thought she had a tan