Can I claim Dual British/Irish Citizenship…?
It is up to grandparents, not any farther. However, since both Britian and Ireland allow dual citizenship (citizenship of 2+ countries), you can apply for Irish citizenship through this process: -legal resident of Ireland for at least 5 of the 9 years before application -be 18+ years -of good character and must intend to reside permanently in Ireland -passport, Green Book, Certificate of Registration with the Medical Council (if doctor), Birth Certificate (Plus certified translation if not in English), Certificate or letter from the Revenue Commissioners that all all tax due has been paid, to include personal income tax, company tax, PRSI and VAT, Marriage certificate (plus certified translation if not in English), Documentary evidence of financial circumstances (e.g.