400+ Irish Last Names (With Meanings and Popularity)

The C spelling of Corrigan relates more directly to the Irish surname, while the K spelling, Korrigan, relates to the sprites and fairies of Breton folklore.

Compact, to-the-point surname name. Bear in mind the stock-market association - it may be a bit much with the last name Jones.

Gently pleasant English family name long associated with 60-Minuteman Morley Safer.

McCabe is an Irish patronymic surname that originated with Scottish mercenaries in Ireland who wore distinctive hats -- or cabas, which is also the name for capes.

Undiscovered Irish surname with a lot more bounce and masculine dash than Shannon.

A common surname in Ireland, often use as an anglicization of Mac Giolla Phádraig. This name could honor a Patrick. It's also a way to get to Fitz as a nickname.

Cullinan is an Irish surname that is unusual but accessible, with the unique nickname of Cully.

Trivia tidbit: The Cullinan diamond was the largest rough diamond ever found--over 3,000 carats--when it was unearthed in 1905.

Gary Sinise chose this Mc name for his late son McCanna, called Mac, in 1990, before Irish and Scottish surnames beginning with Mc or Mac became common as first names. Mac Sinise passed away from a rare form of cancer at the age of 33.

Irish surname that refers to High King Brian Boru, also spelled O'Brien. Makes a fabulous first name.

Perfect as an updated namesake for Great-Uncle Neal (or Neil).

Anglicized form of Irish Ó Cearmada, which is reminiscent of other jaunty Irish surnames like Cassidy and Connolly.

Fogarty has the Old Fogey problem.

Fogarty has the Old Fogey problem.

Kavanagh, which can also be spelled Cavanagh, Cavenagh, Kavanaugh, and Cavanaugh, is one of the few traditional Irish surnames not to start with Mc or O'. Kavanagh relates to the name first Kevin or Caomhan. Early kings of Leinster bore the name Kavanagh.

An Irish surname choice that could very well make its way into first name territory.

This Irish surname-name certainly feels brighter and fresher than the English equivalent, Clark.

If you're looking for an Irish last name that moves beyond Casey and Cassidy, this one is pleasant sounding and worth considering. Kavanaugh, which can also be spelled Cavanagh, Cavenagh, Kavanagh, and Cavanaugh, is one of the few traditional Irish surnames not to start with Mc or O'. Kavanagh relates to the name first Kevin or Caomhan. Early kings of Leinster bore the name Kavanaugh.

An Irish surname choice that could very well make its way into first name territory.