Oonagh Cosgrave

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Oonagh Cosgrave is the widow of the late property developer Peter Cosgrave and was previously a resident of St Kilda, a notable Victorian villa in Dalkey, which has recently been put back on the market.

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Oonagh Cosgrave is the wife of the late property developer Peter Cosgrave.

Ireland’s highest-selling home of 2022 back on sale for €14m as Dalkey house set to hit market at €18.5m – The Irish Times

The Irish Times – major Irish daily, est. 1859·

Ireland· 2026-09-24

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