Intestacy Rules Ireland

When someone dies without a valid will in Ireland, the Succession Act 1965 dictates exactly who inherits and in what proportions. There's no discretion involved — the distribution follows a fixed hierarchy regardless of the deceased's actual wishes, personal relationships, or who provided care during their final years.

The Distribution Hierarchy

The Act sets out a rigid order:

Spouse or civil partner and children: The spouse receives two-thirds of the estate; the remaining one-third is divided equally among the children.

Spouse or civil partner, no children: The spouse inherits the entire estate.

Children, no spouse: The estate is divided equally among the children.

No spouse, no children: The estate passes in the following order: parents (equally); siblings (equally, with a deceased sibling's share passing to their children); nieces and nephews; other next of kin. If no relatives can be traced, the estate ultimately goes to the State.

Who Gets Left Out

The people most affected by intestacy are those who don't appear in the statutory hierarchy at all:

Unmarried partners. A cohabiting partner — even one who has lived with the deceased for decades, raised children together, and contributed to the mortgage — has zero automatic inheritance rights under the intestacy rules. They can apply to court for a discretionary financial provision under Section 172 of the Civil Partnership and Obligations of Cohabitants Act 2010, but this must be filed within six months of the first Grant of Representation and involves proving a five-year cohabitation period (or two years with shared dependent children).

Stepchildren. Unless formally adopted, stepchildren have no statutory right to inherit from a stepparent who dies intestate.

Close friends and carers. The statutory hierarchy is strictly blood-and-marriage based. No amount of practical support or emotional closeness creates an inheritance right under intestacy.

Applying for Letters of Administration

When there's no will, nobody is named as executor. Instead, the person with the highest priority under the intestacy rules (usually the spouse, then the children) must apply to the Probate Office for Letters of Administration. This functions like a Grant of Probate but without a will to validate.

The application process is substantially the same — Revenue Form SA.2 must still be filed, the application must be sworn, and the same court filing fees apply. The key difference is that the administrator must provide a surety bond (an administration bond), guaranteeing faithful administration of the estate.

The Legal Right Share Problem

Intestacy also intersects with the Legal Right Share. Under the Succession Act, a surviving spouse is entitled to a minimum share of the estate — one-half if there are no children, or one-third if children exist — regardless of what a will says. In intestacy, this isn't usually an issue because the statutory distribution already provides at least this amount. But in cases of partial intestacy (where a will exists but doesn't cover all assets), the overlap between the Legal Right Share and the intestacy rules can create complex calculations.

Why This Matters for Planning

Intestacy forces a rigid formula onto situations that are rarely formulaic. Families with second marriages, cohabiting partners, estranged relatives, or disabled dependents who need a trust structure all get the same one-size-fits-all treatment.

Making a will is the simplest way to avoid this. The Ireland End-of-Life Planning Guide covers will requirements, the interaction between wills and statutory rights, and the broader planning framework to make sure your estate goes where you intend.

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