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🇮🇪Last verified August 13, 2026

Ireland citizenship through a great-great-grandparent

Not available

There is no Irish route this deep unless an unbroken chain of Foreign Births registrations exists through every intervening generation — which is vanishingly rare.

The Rules That Decide It

  • The FBR chain rule applies at every generation with no exceptions for gaps.

What To Do Next

  1. 01

    Explore other ancestral lines — Poland, Croatia, and Hungary have no generational caps.

Other Ireland Ancestry Scenarios

Through a parentThrough a grandparentThrough a great-grandparent

Not Sure?

Get a definitive read on your line

Take the free eligibility test — it walks through the exact rules above for your specific ancestor and dates.

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Passport Heritage provides informational guidance and document organization services. We are not a law firm and do not provide legal advice. Rules can change without notice — always confirm current requirements with the relevant consulate, embassy or archive before acting.