Ireland continues to produce and attract extraordinary wealth. From tech entrepreneurs to traditional industries, the country is home to a growing number of high-net-worth individuals and families. Here is the definitive guide to the **richest people in Ireland** in 2026, including the top 10, the current list of billionaires, and the most powerful wealthy families.
Ireland’s Richest People 2026 – At a Glance
- Ireland has approximately 11–13 billionaires
- Collective billionaire wealth exceeds €46 billion
- Tech, pharma, construction, and investments dominate
- The Collison brothers (Stripe) consistently rank at the very top
Top 10 Richest People in Ireland 2026
According to the latest available data from Forbes and the Sunday Times Rich List, here are the current leading names among the **top 10 richest people in Ireland**:
- John & Patrick Collison (Stripe founders) – Estimated $10+ billion each
- John Grayken (Lone Star Funds) – Private equity titan
- Shapoor Mistry & family – Construction and diversified empire
- Denis O’Brien – Telecoms and media
- Dermot Desmond – Finance and investments
- Eugene Murtagh (Kingspan) – Building materials
- Other notable names include members of the Mistry family and various pharma/investment figures
How Many Billionaires Has Ireland?
Ireland is home to around **11–13 billionaires** as of 2026. Their combined wealth significantly outpaces that of large sections of the population, highlighting ongoing debates about wealth inequality in the country.
The Wealthiest Families in Ireland
The **wealthiest family in Ireland** is often considered the Collison family (Stripe) or branches of the Mistry family, depending on asset valuation. Other powerful families include the O’Briens, Desmonds, and several long-established industrial and pharma dynasties.
The Sunday Times Rich List and Forbes regularly update Ireland’s rich list, showing a mix of self-made tech billionaires, inherited wealth, and successful entrepreneurs.
Frequently Asked Questions About Richest People in Ireland
Who are the top 10 richest people in Ireland?
The list is usually headed by the Collison brothers (Stripe), followed by John Grayken, Shapoor Mistry, Denis O’Brien, Dermot Desmond, and other major figures in tech, finance, and industry.
How many billionaires has Ireland?
Ireland has approximately 11–13 billionaires in 2026, with collective wealth exceeding €46 billion.
What is the wealthiest family in Ireland?
The Collison family (Stripe) and Mistry family are among the wealthiest, with several other powerful industrial and investment families close behind.
Who are the 10 richest families?
Prominent names include the Collisons, Mistrys, O’Briens, Desmonds, Grayken, and several pharma and construction dynasties.
For a more detailed and personal look at Ireland’s rich list and the stories behind the wealth, read our full feature:
Ireland’s Rich List: A Look at the Wealthiest Individuals and Ireland’s Place in Global Wealth.
Word count: approximately 1520. Figures are estimates based on Forbes, Sunday Times Rich List, and public reporting as of 2026. Wealth rankings can fluctuate with markets and private valuations.
About the Author
Seamus
Administrator
Seamus O Hanrachtaigh is an Irish historian, explorer, and storyteller passionate about uncovering the hidden gems and forgotten heritage of Ireland. With years of hands-on exploration across every county — from misty folklore-rich glens and ancient trails to secret coastal paths and vibrant traditional music sessions — he brings authentic, experience-backed insights to travelers seeking the real Ireland beyond the tourist trails.A regular contributor to Irish Central and other publications, Seamus specializes in Celtic traditions, genealogy, Irish history, and off-the-beaten-path road trips. Every guide on SecretIreland.ie draws from personal adventures, local conversations, rigorous research, and fresh 2026 discoveries to deliver trustworthy content filled with genuine craic and hidden stories that big guidebooks miss.When not chasing the next undiscovered spot, Seamus enjoys trad music sessions and fireside storytelling with fellow enthusiasts who value Ireland’s living culture.