400+ Irish Last Names (With Meanings and Popularity)

Flann variation that's most familiar as the name of writer Flannery O'Connor. It derives from the Irish surname Ó Flannghaile, meaning "descendant of Flannghal".

Although it looks like an English placename, the surname Crowley is an anglicization of the Irish O Cruadhlaoich. A famous bearer was the occultist Aleister Crowley, and it also appears on characters in Supernatural and The Walking Dead. It has started to get a little use in recent years, as part of the new wave of names ending in -ley.

An attractive Irish surname that is used more often among girls — likely due to the feminine associations with Kerry.

The great sax player John Coltrane could be a cool naming inspiration for a jazz fan.

Curran is a common surname in Ireland, but unusual even there as a first. With its savory feel, calling to mind curry and currants, Curran can make for an attractive update on Colin or Connor.

Another two-syllable surname zooming up the ladder for boys, and poised to be grabbed by the girls.

Tegan is a Welsh saint's name. While some may conflate it with the Irish Teagan, they have different roots and meanings though both are used for girls as well as boys. Teagan is the more usual spelling and tips more heavily girlward, though Tegan runs about four to one girls versus boys. Tegan is pronounced with a long e sound in the first syllable, while Teagan can be pronounced either tee-gan or tay-gun.

One of the more feminine Irish surnames.

New Presidential name, if you're ready to move beyond Lincoln and Jefferson. At the turn of the last century, during the original McKinley's heyday, as a first name it almost reached the Top 100.

Rogan makes a great, roguish alternative for the more popular Logan, Ronan and Rowan. 

These days Finney is most likely a pet form of Finn, but it was once a standard nickname for the biblical Phineas.

Dark horse Irish surname.

Stylish and boyish but could work for a girl -- especially one with brown eyes -- and Sully is a quirky and jaunty nickname.

This genial Irish surname feels much more current than Donald.

Keller is a German surname that originated as an occupational name for a cellar or store master, which seems to be the background of several of the most stylish new German names for boys. One of the stylish new two-syllable -er ending names for boys, Keller is rising up the ranks heading for the Top 1000. It may be an honorific for Helen Keller.

Carey is a surname name that works equally well on babies of all genders - Jazz great Carey Bell and motorcross champion Carey Hart are just two examples of how handsome this name can be for a boy.

Very common in early Ireland and still in use there today, it was the name of an eighth century high king and also a saint. Not as well known in this country as Fergus, Fergal is currently appearing as a character on the TV series Catastrophe.

If you like Dylan but find it too popular, Quillan could be a distinctive alternative.

While Corrigan is a widely-used Irish surname, a Corrigan or Korrigan is a fairy or sprite-like creature in Breton folklore. The Cornish word korrik means gnome. These creatures can be good or evil, male or female, but the important thing in Nameberry terms is that we love their name!

Possible Gaelic alternative to Kevin and Devon.