Generally, you pay taxes based on where you reside whether that be in the U.S., Ireland, or a third country. Then comes the wrinkle of the U.S. system of global taxation. For tax purposes, the U.S. considers all citizens U.S. residents. read more
Your Irish citizenship will be irrelevant in that event: Ireland, like almost all countries, taxes a person based on residence rather than citizenship. An Irish citizen (or person with dual citizenship) living outside the state will not pay Irish taxes. If you live in Ireland, however, things become more complicated. read more
For a U.S. citizen, obtaining a second citizenship in Ireland has no real drawbacks and several benefits, one of them significant. Because Ireland is a member of the European Union (EU), a U.S. citizen with Irish citizenship automatically becomes a member of the European Union. read more
Dual citizenship, sometimes called dual nationality, happens automatically in some situations, such as when a child is born in the United States to foreign parents. Unless the parents are foreign diplomats, the child generally becomes a citizen of the United States as well as of the parents’ home nation. read more