Ireland’s billionaires are richer than 66 per cent of the population, or 3,468,311 people combined. This year’s list features 11 individuals, but who are they and what are they worth? Photograph: Eric LukeTelco businessman Denis O’Brien is ranked eighth with an estimated worth of $3.1 billion, up from $2.8 billion. Mr O’Brien first hit the headlines in 1995 when Esat won the State’s second mobile phone licence, in a surprise result of the competition. Mr O’Brien later attempted to recreate his former success in the Caribbean with Digicel.

Source: The Irish Times January 20, 2026 09:23 UTC