If You Have a Grandparent From This European Country, You Might Be Eligible for One of the World's Strongest Passports

"The FBR is basically a database of people who were born outside of Ireland but are still considered Irish because of their blood ties to the country. "In very rare circumstances, an applicant can also apply through a great-grandparent, but the vast majority of FBR applications are based on a grandparent born in Ireland," Bello Cortés tells Travel + Leisure."

"While you don't need to have lived in Ireland for any time period to get citizenship by descent, you do have to prove that your grandparent did. To do this, you'll have to gather several supporting documents for both you and your grandparent, such as birth certificates, marriage certificates, death certificates, state-issued identification cards, proof of address, and photographs. Some of the documents have to be originals, while others can be certified copies."

You may qualify for Irish citizenship by descent if a parent or typically a grandparent was born in Ireland. Citizenship by descent is most commonly acquired through Foreign Birth Registration (FBR), which registers people born outside Ireland who retain Irish citizenship through blood ties; rare cases may rely on a great-grandparent. No prior residence in Ireland is required, but applicants must prove an ancestor's Irish birth with documents. Required records include birth, marriage, and death certificates, ID, proof of address, and photographs; some documents must be originals and others certified copies. An Irish passport grants EU and UK travel, work, and residency rights and faster EU immigration lines.

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