What is the most common last name in Ireland?

Murphy
100 most Irish surnames revealed

RankNameIrish Equivalent
1Murphyó Murchadha
2Kellyó Ceallaigh
3O’Sullivanó Súilleabháin
4WalshBreathnach

What are the top 10 last names in Ireland?

The top 10 most popular Irish surnames and where they come from

  1. Murphy. The most common Irish surname, Murphy is believed to be derived from the old Irish surname Ó Murchadha meaning ‘Son of the Sea Warrior’.
  2. Kelly. There are several theories on where Kelly came from.
  3. Byrne.
  4. Ryan.
  5. O’Brien.
  6. Walsh.
  7. O’Sullivan.
  8. O’Connor.

What are the 5 most common surnames in Ireland?

Top 20 Irish surnames

  1. Murphy. In Griffith’s Valuation, a total of 13,539 Murphy households were recorded across the island, making Murphy the most numerous of Irish surnames in the mid-19th century.
  2. Kelly. Griffith’s Valuation recorded 11,518 Kellys and only 57 O’Kellys.
  3. O’Sullivan.
  4. Walsh.
  5. Smith.
  6. O’Brien.
  7. Byrne.
  8. Ryan.

What are popular Irish last names?

Common Irish Last Names

  • Murphy – ó Murchadha.
  • Kelly – ó Ceallaigh.
  • Byrne – ó Broin.
  • Ryan – ó Maoilriain.
  • O’Sullivan – ó Súilleabháin.
  • Doyle – ó Dubhghaill.
  • Walsh – Breathnach.
  • O’Connor – ó Conchobhair.

What is the oldest Irish name?

Ó Cléirigh
The earliest recorded surname is Ó Cléirigh. There are now four O’ names in the Irish top 10 (O’Brien, O’Sullivan, O’Connor, O’Neill). 2.

What is a popular Irish name?

Along with Fiadh and Conor, Irish Gaelic names that rank among Ireland’s top baby names include Aoife, Éabha, and Saoirse for girls, and Liam, Fionn, and Oisin for boys. Other top Irish names not often heard outside the Emerald Isle include Clodagh, Sadhbh, and Croía for girls, and Cillian, Tadhg, and Darragh for boys.