
Foreign Birth Registration + passport-direct · decided by Dept. of Foreign Affairs
Irish citizenship by descent
Ireland grants citizenship by descent through a grandparent born on the island, or a parent who was an Irish citizen before your birth. Check whether you qualify, build your lineage, and get a primary-source-backed document checklist and cost estimate.
Grandparent or great-grandparent claim? Complex chain? Skip the research — talk to a Ireland citizenship specialist in 30 minutes.

🇮🇪 One Dublin process
Foreign Birth Registration is a documentary route — no consulate interview and no language exam.
Eligibility
Who may qualify
A grandparent born on the island of Ireland, or
A parent who was an Irish citizen at the time of your birth (including via the Foreign Births Register).
To pass citizenship onward, you must be entered on the Foreign Births Register before your child is born.
A general overview — your eligibility depends on the specifics of your line. The free check gives a personalized answer. EasyPassport is not affiliated with Dept. of Foreign Affairs. We help you organize and verify your documents. You submit your application to Dept. of Foreign Affairs directly — we do not file, submit, or act on your behalf with any government authority.
Why Ireland
What makes Ireland different
The whole island counts
'Ireland' means the entire island — a grandparent born in Northern Ireland qualifies exactly like one born in the Republic.
Skip the parent for grandparent claims
On the grandparent path you register directly through your Irish-born grandparent — your parent never needs to have registered first.
Centralized and DIY-friendly
Foreign Birth Registration is one online process to a single Dublin office — no consulate appointment, no interview, no court hearing.
No language or residency test
Citizenship by descent needs no Irish-language test and no time spent living in Ireland.
Parent born in Ireland? Skip registration
If your parent was born on the island you're already a citizen — apply directly for a passport instead of registering on the FBR.
By ancestor path
Your relationship to the Irish ancestor determines which rules apply
Through your parent (born in Ireland)
If your parent was born on the island of Ireland, you're automatically an Irish citizen.
See requirements 02GRANDPARENTThrough your grandparent
Claim via an Irish-born grandparent through Foreign Birth Registration — no need to register your parent first.
See requirements 03GREAT-GRANDPARENTThrough your great-grandparent
Possible only if the chain of Foreign Birth Registrations was completed at each generation before the next birth.
See requirementsProcess
How to apply
- 1
Confirm your route
If your parent was born in Ireland, you're already a citizen — apply directly for a passport. If your Irish-born ancestor is a grandparent, you register on the Foreign Births Register (no need to register your parent first). For a great-grandparent or further back, each generation must have been entered on the FBR before the next was born, or the chain is broken.
- 2
Gather documents
Collect your long-form birth certificate, the Irish-born ancestor's GRO/GRONI birth certificate, and birth/marriage/death certificates for each connecting generation. Irish-origin records need no apostille; US records do.
- 3
Arrange a witness
A qualified professional who isn't a relative must countersign your form, sign the back of two photos, and certify your ID copy as 'a true copy/translation of the original seen by me' (the DFA's recommended wording), with their signature, name, occupation and contact details.
- 4
Apply online and pay
Complete the application at fbr.dfa.ie and pay the fee (€278 adult / €153 minor, per person, non-refundable).
- 5
Print, sign before your witness, and mail
Sign the printed form in your witness's presence, then mail it with all original documents to the Dublin FBR office by tracked post; originals are returned.
- 6
Wait for processing
FBR currently runs around nine months and can stretch longer; track status on the DFA website and respond to any requests.
- 7
Get your certificate, then a passport
Once registered, apply for an Irish passport online (about €75) — you're now an Irish and EU citizen.
Choose your path
Do it yourself, or talk to a specialist?
Do it yourself
Free tool- Parent or grandparent claim with clear documentation
- You know your ancestor held Ireland citizenship
- Records are legible and translated where needed
- No broken-chain events (renunciation, timing gaps)
Talk to a specialist
- Great-grandparent or further-back claim
- Unsure whether a naturalization broke the chain
- Mixed ancestry — multiple possible pathways
- Want a professional to verify before gathering 10+ documents
At a glance
What you'll need
- Government fee
- €278 adult / €153 minor (Foreign Birth Registration)
- Typical timeline
- ~9 months
- Where
- Foreign Births Register, Department of Foreign Affairs
Key dates & laws
The rules that decide your case
Register before the next birth (the chain rule)
FBR citizenship takes effect from the date of registration, not from birth — so to pass it on, you must be registered (or hold your passport) before your child is born. This is why great-grandparent claims are rare.
Grandparent path skips the parent
You can claim through an Irish-born grandparent even if your parent never registered — the most commonly misunderstood rule.
Pre-1956 naturalization could break the line
Under s.21 of the 1935 Act, an Irish citizen who, after age 21, voluntarily acquired another country's citizenship before 17 July 1956 automatically lost Irish citizenship — breaking the line for any child born afterwards. Acquiring foreign citizenship after 17 July 1956 has no such effect.
The whole island of Ireland
Births in Northern Ireland count identically to the Republic, with an added Good Friday Agreement guarantee for those born in the North.
Long-form certificates and the witness certification
Use long-form (parental-detail) birth certificates, and have your witness certify each copy as 'a true copy/translation of the original seen by me' — the DFA's recommended procedure, not a fixed magic phrase. Incorrect or incomplete certification is a common reason applications are returned unprocessed.
April 2025: published guidelines for naturalisation by descent or association (outside the FBR)
Separate from the Foreign Births Register, the Minister may grant naturalisation by Irish descent or Irish associations at absolute discretion. In April 2025 Immigration Service Delivery published guidelines (revised December 2025) that organise evidence into four indicative categories with indicative scoring to inform — not bind — the Minister's decision. There is no guaranteed outcome.
Where it's processed
A single national authority

🇮🇪 Department of Foreign Affairs — Foreign Births Register
Department of Foreign Affairs — Foreign Births Register
Ireland processes descent applications centrally through one national authority, rather than routing them through consulates.
See mailing instructionsTools & guides
Plan your application
FAQ
Frequently asked questions

🇮🇪 Not sure where to start?
See if you qualify in about two minutes.
A personalized answer based on your specific line of descent. No passport or ID uploads — ever.