The spouse or civil partner of an Irish citizen may apply for Irish citizenship through naturalisation after three years of marriage/civil partnership plus three years residence on the island of Ireland.
If you are of Irish associations, the Minister for Justice and Equality has absolute discretion to waive the conditions for naturalisation. Irish associations means being related by blood, affinity or adoption to an Irish citizen.
If you want to apply for Irish citizenship through naturalisation, you can find the relevant information, application forms including application guidance within the Immigration Service Delivery (ISD) website.
Contact for Citizenship Division and the postal address can be found here.
What is naturalisation?
Naturalisation is a process whereby a non-Irish national can apply to become an Irish citizen subject to satisfying certain conditions for naturalisation.
Applying for naturalisation:
All applications for Irish citizenship are dealt with by Immigration Service Delivery at the Department of Justice and Equality.
Information on the application process can be found here.