Irish Names for Boys
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About this list
Irish names for boys have achieved international popularity, ranking high on top boy name lists in the US and Ireland itself, as well as in many other Anglophone and European countries.
Liam, an Irish diminutive of William, is the brightest star among Irish boy names, ranking Number One in the US and among the top boys’ names in France, Belgium, Germany, Sweden, and Norway as well as Canada, Australia, and New Zealand.
Which Irish boy names are most popular in the US?
Along with top name Liam, other Irish boy names in the US Top 200 include Aiden, Ryan, Connor, Brayden, Declan, Brody, Rowan, and Finn.
What are the top Irish boy names in Ireland?
Irish names popular for baby boys in Ireland include Sean — now falling in popularity in the US — Rían, Oisín, Fionn, Cillian, and Tadhg. Classic Irish names Kevin and Patrick also still rank high on the US popularity list and remain perennial favorites in Ireland. Browse our full menu of boy names of Irish origin here, ordered by their current popularity.
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The names
Liam
Irish short form of William
"resolute protection"
Liam is the top boys' name in the US, holding the Number One spot for the past eight years and also ranking as one of the most popular boys' names around the western world. Liam originated as a short…
Rowan
Scottish and Irish
"rowan tree; little redhead"
With its gentle sounds and earthy vibes, the name Rowan feels like a fusion of different styles. A word name, a surname, and a gender-neutral name, Rowan is rustic but trendy, blending the vibes of…
Aiden
Irish
"little and fiery"
Aiden in all its spelling variations is the Anglicized version of the Irish Aodhán, which was originally a pet form of the Irish name Aodh (pronounced 'ee'), who was the old Celtic god of the sun and…
Nolan
Irish
"champion"
The friendly and sporty feeling Nolan blends some of the best qualities of other popular boy names. With the gentle but energetic sounds of Noah, a hint of the classic Nicholas, and the cool,…
Ryan
Irish
"little king"
Ryan’s use as a given name was inspired by the surname Ryan, a variation of the Irish O’Riain meaning "son of Rían." Rían is composed of the Irish-Gaelic elements rí , meaning "king" and an , a…
Carson
English and Scottish surname
"son of the marsh dwellers"
Carson is one of the most long-running popular androgynous baby names , with a dash of the Wild West via the legendary Missouri frontiersman Kit Carson. Dating back to when it was the name of Nancy…
Declan
Irish
"man of prayer"
Declan is the Anglicized form of the Irish name Deaglán. St. Declan was one of the first missionaries to bring Christianity to Ireland, preceding St. Patrick. Originally from Wales, he founded the…
Connor
Irish
"lover of hounds"
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…
Alan
Irish
"handsome, cheerful"
In its three most popular spellings -- Alan along with Allen and Allan -- this midcentury favorite has tended to skew older. It was a Top 100 name from 1938 to 1971, peaking at Number 40 in 1951.…
Rory
Irish
"red king"
This spirited Gaelic classic, which became popular in Ireland via the illustrious twelfth century king Rory O'Connor, makes a highly energetic choice, now used for either sex. Rory's gender split is…
Finn
Irish
"fair or white"
Finn is a name with enormous energy and charm, that of the greatest hero of Irish mythology, Finn MacCool (aka Fionn mac Cuumhaill), an intrepid warrior with mystical supernatural powers, noted as…
Riley
English, Irish
"rye clearing; courageous"
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. In fact, after a decade of softening, Riley has recently…
Kevin
Irish
"handsome"
Kevin came to the US with the large wave of Irish Immigrants after World War I, hitting the US Top 1000 list for the first time in 1921 and never leaving. Though an ancient Irish name -- a Saint…
Oscar
English or Irish
"God spear, or deer-lover or champion warrior"
Oscar is one of the most stylish Old Man Names of our era. While it's softened slightly in popularity over the past 20 years, that may be considered a very good thing. In the nineties and the…
Callahan
Irish
"bright-headed"
Callahan, the simpler spelling of Callaghan, is a rhythmic jig of a name whose history harks back to the ancient King of Munster. In the Dirty Harry movies, the Clint Eastwood character is Harry…
Brayden
English or Irish
"broad hill or salmon"
Brayden is the top spelling of one of the epidemically popular rhyming cousins of Aiden, hitting the Top 100 in 2005.. It has dipped a bit recently, but is still widely used. Other popular spellings…
Dallas
Place name, surname and Irish
"meadow dwelling, valley house, skilled"
A laid-back cowboy name which feels both cool and gentle, Dallas has ranked in the US Top 500 since records began in 1880. Never super popular but surprisingly never out of style, Dallas is given to…
Ronan
Irish
"little seal"
Ronan is the compelling legendary name of twelve Irish and Scottish saints that is now drawing some deserved attention; this cousin of the ascending Roman and Rowan was chosen by actor Daniel…
Ayden
Variation of Aidan
"little and fiery"
Aidan in all its many splendored varieties, particularly Aiden, had a spectacular rise up the list, and the phonetic Ayden came along for the ride. It is also used in Turkey.
Sullivan
Irish surname
"black-eyed one"
Sullivan is a jaunty Celtic three-syllable name, with a real twinkle in its eye. It was immortalized in the 1930s classic film Sullivan's Travels and was chosen for one of Patrick Dempsey's twin…
