March 30, 2000 (Atlanta) -- As many as 44% of the people in the U.S. who have epilepsy -- more than 1 million people -- continue to have seizures, despite getting medical treatment, according to a report in the March issue of the journal Epilepsia.
DUAL CITIZENSHIP: NOT RECOGNIZED. Exception: Spain has dual citizenship treaties with the following countries: Bolivia, Chile, Ecuador, Costa Rica, Guatemala, Nicaragua, Paraguay, Peru, the Dominican Republic, Argentina, and Honduras.
So forget about birth-place and parentage - your nationality is determined by what is written on a legal document. You can even hold  Dual Nationality if two Governments are willing to have you on their books. I would say, you are ethnically Irish, but you would need to look at your Passport to see what nationality you are.