International Baby Names · Middle Names, Surnames, and Nicknames · Unisex Baby Names
400+ Irish Last Names (With Meanings and Popularity)
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Cullinan
Irish surname
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…
Delaney
Irish
"dark river"
Cheerful but laidback, surname-style Delaney is derived from the Old Irish name Dubhshláine and has become a familiar choice for girls in recent decades. Nevertheless, it has also been used for boys…
Cullen
Irish
"holly tree"
Cullen is an appealing Irish surname name that upped its cool factor considerably when it became the Twilight family name of Edward et al. It's considerably less popular than it was at its peak in…
Dempsey
Irish
"proud, haughty"
Spunky Irish surname that still has a pugnacious feel from its lingering association with one of boxing's greatest champs, Jack Dempsey. Many people may associate it more with Patrick Dempsey these…
Dempsy
Dempsy is a masculine name of Irish origin, derived from the Gaelic surname Ó Díomasaigh, meaning 'proud' or 'arrogant'. It's closely related to the more common spelling Dempsey. The name carries…
Devaughn
Devaughn appears to be primarily a masculine rather than feminine name as indicated, representing a modern variant spelling of DeVon, Devon, or Devin. These names have multiple possible origins,…
Devaughn
Devaughn is a contemporary name that appears to be a variant spelling of DeVon or Devin, with the distinctive '-vaughn' ending that may be influenced by the surname Vaughn (from Welsh, meaning…
Devin
Irish
"poet"
Used far more for boys with this spelling, but still has a nice impish Irish feel for a girl.
Crowley
Irish
"descendant of the hardy warrior"
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…
Devlin
Irish
"unlucky"
Devlin is an Irish name that's fresher and even more devilish than Devin. The earliest written record of this surname occurs in the thirteenth century, when an O'Devlin was appointed Bishop of Kells…
Crosby
Irish
"village with crosses"
Crosby is an attractively laid-back Irish surname with retro musical associations to Bing and Crosby, Stills, and Nash, and with a jaunty air. Crosby Braverman was the name of a character on the TV…
Dillon
Irish
"loyal"
With both the Dillon and Dylan spellings, usage of this gender-neutral names runs about ten to one boys to girls. But Dylan is used about 20 times as often as Dillon for both genders. Which might be…
Carbry
Irish
"charioteer"
Male name from Irish mythology makes stylish-sounding choice for girls.
Boyne
Irish
"white cow"
The famous Battle of the Boyne, in Ireland, vanquished the Catholic king.
Donahue
Irish
"dark fighter"
This genial Irish surname feels much more current than Donald.
Donnelly
Irish
"dark brave one"
Makes Donna into a cool twenty-first-century unisex Irish surname.
Donnelly
Irish
"dark, brave one"
Donnelly is among the more appealing Irish surname names, less well used than Donovan. Related options include the place name Donegal and the mythological god name Donegan.
Donough
Irish
"brown chieftain"
Barely-used Irish surname that's more streamlined than popular Donovan.
Craig
Scottish
"from the rocks"
Craig is a single-syllable baby-boomer name, still common in its native Scotland, but most modern Americans would prefer something like Kyle.
Costello
Irish surname
"from England"
The fashion for using surnames as firsts has extended beyond the familiar Morgan and Parker to choices such as Cohen and O'Brien to -- why not? -- this quintessentially Irish name with the friendly o…