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Hugh Phelan · Solicitor & Notary
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Guide 16 May 2025 9 min read

Dual Citizens: Notary Requirements You Need to Know

Navigating notary requirements when you hold citizenship in two countries — common scenarios, documents, and practical advice.

If you hold dual citizenship, you will likely encounter unique document authentication requirements at some point. Whether you are Irish-American, Irish-British, Irish-Australian, or hold any other dual nationality, this guide explains the notary requirements you need to know and how Hugh Phelan can help.

Why Dual Citizens Face Special Requirements

Dual citizens often need to prove their identity, status, and connections to both countries. This can mean:

  • Authenticating documents from one country for use in the other
  • Proving your status in one country to authorities in the other
  • Managing property, tax, and legal obligations in two jurisdictions
  • Complying with different document formats and authentication standards

Common Dual Citizen Scenarios

Tax and Financial

  • FATCA compliance (Irish-American): US citizens living in Ireland may need notarised declarations for US tax filings or FBAR reporting
  • Double taxation declarations: Proving residence or income status in one country for tax relief in the other
  • Bank account declarations: Some financial institutions require notarised proof of citizenship or residence status for dual citizens

Property in Multiple Countries

  • Powers of Attorney to manage property in your “other” country while living in Ireland
  • Statutory declarations about property ownership status
  • Tax declarations for property income or capital gains in either jurisdiction

Citizenship and Passport

  • Declarations of citizenship status
  • Notarised passport copies for both nationalities
  • Proof of legal name consistency across passports
  • Citizenship renunciation or acquisition documents

Inheritance Across Borders

  • Probate documents that need to be valid in both countries
  • Affidavits for courts in either jurisdiction
  • Tax clearance documents for cross-border inheritance
  • Renunciation of rights in estates in either country

Marriage and Family

  • Marriage certificates authenticated for both countries
  • Children’s birth certificates registered in both countries
  • Custody and guardianship documents valid across borders
  • Declarations of marital status for either jurisdiction

The Apostille and Legalisation Process for Dual Citizens

The authentication process depends on which countries are involved:

  • Both countries in Hague Convention: Documents are notarised and apostilled — the simplest route
  • One or both countries not in Hague Convention: Embassy legalisation is required for the non-Hague country

Hugh Phelan can advise on the correct authentication route for your specific dual citizenship combination.

Why Hugh Phelan for Dual Citizens

  • Dual-qualified solicitor: Ireland and England & Wales — understands cross-jurisdictional issues
  • BCL from UCC: Thorough grounding in Irish law
  • Diploma in Notarial Law and Practice: Specialist notarial expertise
  • Appointed by the Chief Justice: Notarisation carries the highest level of authentication
  • Experience with international documents: Regularly handles multi-jurisdictional notarial work

Contact Us

If you are a dual citizen and need guidance on notary requirements, contact Hugh Phelan at 021-489-7134 or info@phelansolicitors.com, or book an appointment online.

Frequently Asked Questions

Do dual citizens need documents notarised differently?

The notarisation process itself is the same, but dual citizens often need documents authenticated for use in two different jurisdictions, which may require different authentication routes (apostille vs embassy legalisation). Hugh Phelan can advise on the correct process for your specific situation.

Can one notarised document be used in both countries?

It depends on the countries and the document. In some cases, a single notarised and apostilled document will be accepted in both countries. In others, you may need separate documents or different authentication for each jurisdiction.

What if my name is different on my two passports?

This is a common issue for dual citizens. A notarised declaration of identity can confirm that both names refer to the same person. Hugh Phelan regularly prepares these declarations.

Looking for a Notary Public in Cork?

Hugh Phelan is a Solicitor & Notary Public appointed by the Chief Justice of Ireland. Same-day appointments available.

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📞 +353-21-489-7134 · East Douglas Street, Douglas, Cork

Hugh Phelan

Solicitor & Notary Public

Hugh Phelan is a Solicitor and Notary Public practising from Douglas, Co. Cork. Appointed by the Chief Justice of Ireland, he holds a BCL from UCC and a Diploma in Notarial Law and Practice. He is dual-qualified in Ireland and England & Wales, with over 20 years of professional experience.

Dual Citizen? Need Documents Notarised?

Expert guidance on dual citizenship notary requirements from Hugh Phelan, Cork.