International Baby Names · Middle Names, Surnames, and Nicknames · Unisex Baby Names
400+ Irish Last Names (With Meanings and Popularity)
Across 21 pages
of 21
Calhoun
Irish
"from the narrow forest"
A beaming, friendly Irish last-name-first-name waiting to be discovered, though anyone into American history might associate it with John C. Calhoun, a 19th century statesman who defended slavery.…
Cavanaugh
Irish
"born handsome or son of Caomhan "
Pleasant Irish last name that could be a more masculine alternative to the overused Cassidy. Early kings of Leinster bore the name, which relates to the first name Caomhan or Kevin and can also be…
Cavanagh
Cavanagh is a masculine name with Irish Gaelic roots, derived from the surname 'Caomhánach,' which means 'born of the handsome one' or 'born of Kevin.' Historically a family name associated with the…
Cagney
Irish
"tribute"
Cagney is one of the spunkiest Irish surnames around, and could make a lively and fresher successor to the tired Casey. James Cagney will be remembered not only for his iconic gangster films, but…
Branigan
irish
"little raven"
Branigan, also spelled Branagan or Brannigan, is an Irish name full of energy and cheer. It was the title of a 1975 John Wayne movie, and Zapp Brannigan is the antihero of the animated sitcom…
Cavan
Irish place-name
"hollow"
Anglicized spelling of a county in Ireland, sometimes considered a variation of the Breton Kavan or of Kevin. Depending on your viewpoint, may make a fresh Kevin substitute or a choice that will…
Cassidy
Irish
"curly-headed"
A lean and lanky Irish cowboy name with great nickname potential to boot (Cass or Sid are both options). This is one of the great under-rated American names !
Byrnes
Byrnes originated as an Irish surname derived from the Gaelic 'Ó Broin,' meaning 'descendant of Bran,' where Bran referred to 'raven.' As a masculine given name, Byrnes represents the growing trend…
Byrne
Byrne is a masculine name of Irish and Gaelic origin, derived from Ó Broin, meaning "descendant of Bran." The name Bran translates to "raven" in Gaelic, giving Byrne associations with this…
Branagan
Irish
"little raven"
Bold Irish surname, full of energy and cheer.
Blaine
Irish
"yellow"
She's the bff of Blair, Blake, and Brooke who shop at Bergdorf's, Bonwits and Bendel's.
Casey
Irish
"brave in battle"
One of the original unisex Irish surname names, energetic Casey bounced onto the scene in the 1960s, then peaked in the 1980s for both boys and girls. Today Casey is having a resurgence for both…
Carroll
Anglicized variation of Irish Cearbhall
"hacking with a weapon"
This name was consistently in the boys' Top 200 until WW2. It's a name with so many dimensions to it: the hyper-masculine meaning, the surname-as-firstname trendiness, and the softer sound and…
Burke
French
"from the fortress"
Simple, usable surname choice.
Carroll
Carroll as a feminine name derives from the Irish surname Ó Cearbhaill, meaning 'fierce warrior' or 'champion'. Though historically used for both genders, it has more commonly been masculine in…
Carney
Irish
"victory"
This name is a fabulous option for parents looking for a victorious name but who find Victor just a little too obvious. This name can also be spelled Kearney.
Buckley
English
"meadow of the deer"
Mama's boy.
Carmody
Irish
"descendant of Cearmaid"
Anglicized form of Irish Ó Cearmada, which is reminiscent of other jaunty Irish surnames like Cassidy and Connolly.
Carmody
Irish
"descendant of Cearmaid"
Anglicized form of Irish Ó Cearmada, which is reminiscent of other jaunty Irish surnames like Cassidy and Connolly.
Brosnan
Irish
"dweller near the Brosna River"
Actor Pierce made both his first and last name appealing.