Irish Names for Boys (with Meanings and Popularity)
Irish boy names — and Celtic boy names in general — are becoming more and more popular beyond their native shores. In the US, the Irish name Liam is now Number 1 and all the different spellings of Aiden have climbed to the top of the U.S. popular names list.
What are the top Irish boy names in the US?
Along with Liam and Aiden, other Irish boy names on the US Top 1000 include Finn, Declan, Connor, and Brody. Trending Irish names for boys include Ronan, Rory, and Sullivan.
What are the top Irish boy names in Ireland?
In Ireland, top Irish boy names include Rían, Fionn, Oisín, and Cillian. Unique Irish boy names attracting attention include Cashel, Cormac, and Rafferty.
Which Irish names for boys are most popular around the world?
Irish names for boys and trending in other countries as well. Liam is an astonishing international success, ranking in the Top 25 in countries as diverse as Argentina and Austria, Sweden and France. Finn is another Irish boys' names that's an international star, in the Top 100 in Belgium, Germany, and The Netherlands.
Classic Irish boy names among the first wave imported to the US, such as Patrick, Kevin, and Brian, are still used in the US and Ireland along with other countries, but are no longer fashionable. If you want to name your baby boy after Grandpa Kevin, you might want to look to newer choices such as Kieran or Killian, which share the first initial K, or a more stylish name with a similar sound, such as Cian (pronounced kee-an).
While Irish names have become more popular for both genders, we see the style factor on the rise particularly in Irish boys' names unheard of here a generation ago, such as Declan and Finn.
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- Liam
Origin:
Irish short form of WilliamMeaning:
"resolute protection"Description:
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.
- Rowan
Origin:
Scottish and IrishMeaning:
"rowan tree; little redhead"Description:
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 both Owen and Oakley.
- Aiden
Origin:
IrishMeaning:
"little and fiery"Description:
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 fire. St. Aidan was a famous seventh century Irish saint, noted for his kindness and generosity and for spreading Christianity.
- Nolan
Origin:
IrishMeaning:
"champion"Description:
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, surname-style vibe of Greyson or Colton, it makes for a familiar and grounded choice.
- Ryan
Origin:
IrishMeaning:
"little king"Description:
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 diminutive suffix. Ryan is considered a unisex name in the US, where variant spellings Ryann and Ryanne are also valid for girls.
- Carson
Origin:
English and Scottish surnameMeaning:
"son of the marsh dwellers"Description:
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 Drew's Dad, Carson is still steadily in the Top 200 baby names.
- Declan
Origin:
IrishMeaning:
"man of prayer"Description:
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 monastery of Ardmore in Ireland.
- 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.
- Rory
Origin:
IrishMeaning:
"red king"Description:
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 still trending boyward; it's one of the coolest boys' names starting with R.
- Finn
Origin:
IrishMeaning:
"fair or white"Description:
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 well for his wisdom and generosity.
- 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.
- Kevin
Origin:
IrishMeaning:
"handsome"Description:
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.
- Oscar
Origin:
English or IrishMeaning:
"God spear, or deer-lover or champion warrior"Description:
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.
- Callahan
Origin:
IrishMeaning:
"bright-headed"Description:
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 Callahan.
- Brayden
Origin:
English or IrishMeaning:
"broad hill or salmon"Description:
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 include Braden, Braeden, Braydon, Braiden, Braedon and Bradyn. Take your pick.
- 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.
- Dallas
Origin:
Place name, surname and IrishMeaning:
"meadow dwelling, valley house, skilled"Description:
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 nearly 1400 boys in the US every year.
- Ronan
Origin:
IrishMeaning:
"little seal"Description:
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 Day-Lewis and his writer-director wife Rebecca Miller in 1998, and more recently by actress Catherine Bell.
- Sullivan
Origin:
Irish surnameMeaning:
"black-eyed one"Description:
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 boys. Nickname Sully is equally jaunty.
- Casey
Origin:
IrishMeaning:
"brave in battle"Description:
Casey is a name with a big wide grin, Irish, friendly, and open, and associated with several American folk heroes--Casey Jones, the engine driver of the Cannonball Express who gave his life to save his passengers, and the legendary Casey at the Bat.
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