400+ Irish Last Names (With Meanings and Popularity)
- Darcy
Origin:
Irish, FrenchMeaning:
"dark one; from Arcy; from the fortress"Description:
A favorite in England and Wales, Darcy is a unisex option with delicacy, grace, and strength. Associated with classic literary and courtesy thanks to Jane Austen's hero, Mr. Darcy, and Bridget Jones's Mark Darcy, its image was partly transformed by English ballerina Darcey Bussell, who helped popularize it for girls.
- Callan
Origin:
GaelicMeaning:
"descendent of Cathalan; descendent of the battle ruler"Description:
This anglicized form of the Irish surname Ó Cathaláin links back to the Irish given name, Cathal. Similar to Callum, Caleb, and Calvin, it might feel more usable outside of Ireland and Scotland than its origin name.
- Torin
Origin:
Irish, Spanish, FrenchMeaning:
"little chief, little hill, mound; holding fast; bull"Description:
Though it has a Scandinavian ring (a la Thorfinn), Torin is in fact a multicultural choice, an occasional feature in the UK Top 1000, and given to around 150 boys in the US each year. Connected to nature, power, and astrology, it is a distinctive yet trendy sounding choice.
- Delaney
Origin:
IrishMeaning:
"dark challenger; dark river"Description:
Delaney has been a popular surname-style choice since 90s, when it joined other Irish surnames such as Cassidy, Kennedy, and Mallory on the US Charts. Buoyant, bright, and cheerful, it ranks in the US Top 250 and is given to nearly 1300 babies every year.
- Rowan
Origin:
Scottish and IrishMeaning:
"rowan tree; little redhead"Description:
Stylish, gentle, and rustic at the same time, Rowan is a name that falls into various categories. Unisex and cool, mystical and woodsy, with the feel of both Rose and Riley, Rowan is a fresh but familiar choice.
- Connor
Origin:
IrishMeaning:
"lover of hounds"Description:
Connor, the appealing name of an early semi-legendary king of Ulster in Irish mythology, sits firmly in the Top 100 and taken together with its alternate spellings would rank even higher. In its native Ireland the Conor version is one of the highest charting boys’ name.
- Finnegan
Origin:
IrishMeaning:
"fair"Description:
If you like the Finn names and love James Joyce, Finnegan is extremely winning. Will & Grace 's Eric McCormack chose the Finnigan spelling for his son. And of course Finnegan gains you access to the great short form Finn.
- Riley
Origin:
English, IrishMeaning:
"rye clearing; courageous"Description:
Riley -- one of the most popular unisex names -- is trendier now for girls though for boys it's a classic, ALWAYS ranking in the US Top 1000.
- Teagan
Origin:
Irish or WelshMeaning:
"little poet or fair"Description:
As Meghan/Megan and Reagan/Regan show signs of wilting, along comes Teagan to take up the slack: definitely one to consider. The vast majority of American babies named Teagan are now girls. A variant spelling is Teaghan.
- Murphy
Origin:
IrishMeaning:
"sea warrior"Description:
This jaunty Celtic surname -- the most common family name in both Ireland and the US -- is totally viable as a first. The arguably most famous Murphy is TV's Murphy Brown, and indeed the name is twice as common for baby girls as for baby boys today. But still, it's solidly gender neutral and works equally well for all sexes.
- Lennon
Origin:
IrishMeaning:
"lover"Description:
A growing number of high-profile (and other) parents are choosing to honor their musical idols, such as Hendrix, Presley, Jagger, and now Lennon, an Irish name for girls as well as boys with a wonderful meaning on many levels. Lennon first came to notice when Liam Gallagher and Patsy Kensit used it for their son in 1999, and singer-musician Adam Pascal followed their lead two years later.
- Collins
Origin:
Surname derived from Nicholas or Colin, Greek or Irish and ScottishMeaning:
"people of victory or pup"Description:
Collins is a surname name that has made the girls' Top 1000 thanks to its use for the daughter of the real-life Blind Side heroine. As of 2022, Collins climbed into the US Top 300. This derivation of the Greek Nicholas—which means "people of victory"—or the Irish and Scottish Colin—which may itself be a Nicholas derivation or an Anglicization of the word for pup—has a stylish feel made more so by that final s.
- Shea
Origin:
IrishMeaning:
"the stately, dauntless one"Description:
The short but solid Irish surname Shea works well for both genders thanks to its soft, succinct sound. The traditional Irish form is Séaghdha, though it could also be used as a short form of Séamus, connected to James.
- Mara
Origin:
HebrewMeaning:
"bitter"Description:
Mara is the evocative ancient root of Mary, appearing in the Book of Ruth, in which Naomi, devastated after the death of her two sons, says "Call me not Naomi, call me Mara." It's one of the girl names starting with M that both fits in and stands out.
- Barry
Origin:
IrishMeaning:
"spear"Description:
This Anglicized form of Bearach or short form of Finbarr was in the Top 200 in the USA for 50 years until the early 80s when it rapidly fell out of favor. Barry has not yet found popularity in the modern era - but that may well change as people rediscover their love of classic figures like musician Barry White, baseballer Barry Bonds or even Barack Obama, whose nickname as a young man was Barry.
- Donovan
Origin:
IrishMeaning:
"dark"Description:
One of the first of the appealing Irish surnames to take off in this country, this boys’ name has long outgrown its "Mellow Yellow" association, which came via the single from a sixties singer-songwriter named Donovan.
- Brody
Origin:
Irish, English, and ScottishMeaning:
"broad eye or broad island"Description:
The energetic Brody is a name that claims different meanings and origins depending on whether you're looking at its Irish, Scottish, or English history -- and Eastern Europeans claim a version too. An alternate spelling is Brodie.
- Craig
Origin:
ScottishMeaning:
"from the rocks"Description:
Craig is a single-syllable baby-boomer name, still common in its native Scotland, but most modern Americans would prefer something like Kyle.
- Brennan
Origin:
IrishMeaning:
"descendent of the sad one"Description:
Brennan is a winning Irish surname name, more modern than Brian or Brendan, more unusual than Conor and Aidan. The only possible problem with Brennan: people might think you're saying Brendan.
- Kellan
Origin:
Spelling variation of KellenMeaning:
"swamp; slender"Description:
Kellan Lutz is the attractive young actor who plays Emmett Cullen in the Twilight series.
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