From ancient Gaelic origins to influences from Viking invasions and British colonization, Irish surnames have stories to tell and connections to the country’s past.
Each name holds a unique story, often reflecting elements of geography, occupation, or ancestry. We traverse the country, encountering the Walshes of Waterford, the Byrnes of County Wicklow, and the Ryans of Tipperary, among others.
These surnames serve as touchstones, connecting present-day individuals with their ancestors and the enduring traditions of Ireland.
But it is not just the old Gaelic names that make the list. We encounter the influence of Viking invasions through names like Byrne and Doyle, revealing the historical intermingling of cultures that has shaped Ireland’s genetic and cultural mosaic.
In this article, we came up with the 50 most popular Irish last names, specifically focusing on surnames that have played significant roles in shaping the Irish identity.
Most Popular Irish Surnames
- Murphy
- Kelly
- O’Sullivan
- Walsh
- Byrne
- Ryan
- O’Connor
- O’Neill
- Doyle
- McCarthy
- Gallagher
- Doherty
- Kennedy
- Lynch
- Murray
- Quinn
- Moore
- Carroll
- Connolly
- Daly
- Kavanagh
- Nolan
- Brennan
- Burke
- Collins
- Dunne
- Farrell
- Flynn
- Higgins
- Hogan
- Reilly
- Sheehan
- Ward
- Casey
- Wilson
- Flanagan
- Byrne
- Donnelly
- McGrath
- MacCarthy
- Fitzpatrick
- O’Rourke
- Murphy
- Farrell
- MacMahon
- Maguire
- MacGowan
- O’Donnell
- O’Brien
- Fitzsimmons
These 50 common Irish surnames provides a glimpse into the rich tapestry of Irish heritage.
From the well-known names like Murphy and Kelly to the lesser-known surnames like Doherty and Gallagher, each surname has a unique story, connecting individuals to their roots and the collective identity of Ireland.