🇮🇪 Country
Billionaires in Ireland
There are 13 ranked billionaires in Ireland in our records, with combined latest estimates of $71.5 billion. The richest is John Collison at $17.5 billion as of October 2026.
Ranked
13
Combined
$71.5B
Self-made
9
Women
0
Export the Ireland billionaires list
Excel or CSV with the date and source of every figure. Prospecting Ireland?
Richest people in Ireland
| World rank | Name | Net worth | Source of wealth | As of |
|---|---|---|---|---|
| 152 | John Collison 36 Payment software | $17.5B 15 Oct 2026, Forbes | Payment software | 15 Oct 2026 Forbes |
| 153 | Patrick Collison 38 Payment software | $17.5B 15 Oct 2026, Forbes | Payment software | 15 Oct 2026 Forbes |
| 529 | John Grayken 70 Private equity | $7.5B 15 Oct 2026, Forbes | Private equity | 15 Oct 2026 Forbes |
| 753 | Shapoor Mistry 62 Diversified | $5.5B 15 Oct 2026, Forbes | Diversified | 15 Oct 2026 Forbes |
| 1265 | Eugene Murtagh 84 Building materials | $3.3B 15 Oct 2026, Forbes | Building materials | 15 Oct 2026 Forbes |
| 1319 | John Dorrance III 82 Campbell Soup | $3.2B 15 Oct 2026, Forbes | Campbell Soup | 15 Oct 2026 Forbes |
| 1358 | Denis O'Brien 68 Digicel | $3.1B 15 Oct 2026, Forbes | Digicel | 15 Oct 2026 Forbes |
| 1514 | Firoz Mistry 29 Diversified | $2.7B 15 Oct 2026, Forbes | Diversified | 15 Oct 2026 Forbes |
| 1515 | Zahan Mistry 27 Diversified | $2.7B 15 Oct 2026, Forbes | Diversified | 15 Oct 2026 Forbes |
| 1832 | Dermot Desmond 76 Finance | $2.2B 15 Oct 2026, Forbes | Finance | 15 Oct 2026 Forbes |
| 1849 | Jim Thompson 86 Logistics | $2.2B 15 Oct 2026, Forbes | Logistics | 15 Oct 2026 Forbes |
| 1863 | John Armitage 66 Hedge funds | $2.2B 15 Oct 2026, Forbes | Hedge funds | 15 Oct 2026 Forbes |
| 2213 | Philip O'Doherty 66 Information technology | $1.9B 15 Oct 2026, Forbes | Information technology | 15 Oct 2026 Forbes |
Questions people ask
Who is the richest person in Ireland?
John Collison is the richest person in Ireland in the BillionaireList ranking, with a latest public estimate of $17.5 billion dated October 2026.
How many billionaires are there in Ireland?
13 people associated with Ireland are ranked here: their latest public estimate is above one billion dollars and dated on or after 1 September 2026. Older estimates are not counted.
Which industries do billionaires in Ireland come from?
Technology (4), Finance and investments (3), Diversified (3) lead in our records.
Know the day a fortune moves
Build a list in seconds, export it with sources, get an email when a new estimate lands. Plans from $24 a month billed yearly.