List of Wealthiest People in Ireland 2023. Ireland is an island in the North Atlantic Ocean, in north-western Europe. It is separated from Great Britain to its east by the North Channel, the Irish Sea, and St George’s Channel. Ireland is the second-largest island of the British Isles, the third-largest in Europe, and the twentieth-largest in the world.
Geopolitically, the island of Ireland is divided between the Republic of Ireland (officially named Ireland), an independent state covering five-sixths of the island, and Northern Ireland, which is part of the United Kingdom. As of 2022, the population of the entire island is just over 7 million, with 5.1 million living in the Republic of Ireland and 1.9 million in Northern Ireland, ranking it the second-most populous island in Europe after Great Britain.
Shapoor Mistry is the wealthiest person in Ireland, with an estimated net worth of 7.5 billion U.S. dollars, followed by John Grayken (No. 2, $6.3 billion), Patrick Collison (No. 3, $5.5 billion); and John Collison (No. 4, $5.5 billion). Denis O’Brien is the fifth-richest person in Ireland, with a whopping $2.7 billion. John Dorrance III ranked 6th with a personal wealth of $2.6 billion, followed by Eugene Murtagh with $2.5 billion. John Armitage ($2.3 billion) occupied the 8th position, followed by Dermot Desmond (No. 9,$2.2) among Ireland’s top 10 wealthiest people.
Here is a List of Wealthiest People in Ireland 2023
- Shapoor Mistry: $7.5 billion
- John Grayken: $6.3 billion
- Patrick Collison: $5.5 billion
- John Collison: $5.5 billion
- Denis O’Brien: $2.7 billion
- John Dorrance III: $2.6 billion
- Eugene Murtagh: $2.5 billion
- John Armitage: $2.3 billion
- Dermot Desmond: $2.2 billion












