evidence: 831,779 Irish passport applications were received from those born in Northern Ireland from 2010-2019. People born in Northern Ireland have the right to own British and Irish citizenship as declared by the Belfast/Good Friday Agreement. To obtain an Irish passport, you must be an Irish citizen i.e. you must be born on the island of Ireland. However, if you were not born on the island of Ireland, you may still be eligible for an Irish passport if your grandparents or great-grandparents were born on the island of Ireland.