I had lunch with a few friends from a solicitor’s office in Dublin.
They told me the law was changed quietly at the start of the year and now “Common law wife” law applies in Ireland.
Live with a girl for 5 years (2 years if children) and she is entitled to half your assets.

You no longer have to marry.

Further to that, how would a prenuptial agreement stand in court when it would now give a wife fewer rights than a common law wife?
Simply it wouldn’t