Celtic Boys Names

By classifiedcosmos · Updated September 2026

Names250

Pages13

Total Names250

Across 13 pages

Page1

of 13

About this list

A long list of baby boy names that originate from Celtic countries, languages, and cultures.

Related Lists

Boy Names Lists International Baby Names

The names

Showing 1–20 of 250

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…
Owen
Welsh
"young warrior; well-born"
Owen, a resonant Celtic name, has ranked among the Top 100 boys' names in the US for 20 years and is now trending ever-so-slightly downhill, good news for Owen-lovers who might rightly have feared…
Dylan
Welsh
"son of the sea"
Dylan still feels poetic and romantic after years of popularity. It still ranks highly on the charts, among the top boy names starting with D , so if you choose it, be aware that yours may not be the…
Logan
Scottish
"small hollow"
According to exclusive Nameberry data, Logan is officially the Number 1 gender-neutral name in the US, but that statistic is somewhat misleading given that nearly 90 percent of the baby Logans born…
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,…
Cameron
Scottish
"crooked nose"
With its friendly, sensitive, and approachable feel, Cameron is a 90’s favorite that remains popular today. It has a pleasing balance of soft and strong sounds, and holds unisex appeal, thanks to…
Ian
Scottish version of John
"God is gracious"
Ian is Scottish form of John, derived from the Hebrew name Yohanan. It is an Anglicization of the Scottish Gaelic Iain, which is also a viable spelling. Ian was introduced to Americans by Ian…
Arthur
Celtic
" bear"
Arthur, once the shining head of the Knights of the Round Table, is, after decades of neglect, now being polished up and restored by stylish parents, inspired perhaps by the new generation of royals.…
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…
Callum
Scottish form of Columba, Latin
"dove"
Callum is a gentle, charming name of Scottish origin, that is a popular choice across the UK. In the US, it was a rare option until the late 2000s, however, since 2017 it's been rising up the ranks.…
Graham
Scottish
"gravelly homestead"
Well used in England and Scotland since the fifties, the smooth and sophisticated Graham is catching on here. Among the best known bearers are novelist Graham Greene, racing driver Graham Hill and…
Declan
Irish
"man of prayer, good man"
Declan is the Anglicized form of the Irish name Deaglán, popularized in the 90s and 2000s following its appearance in the movie The Jackal . Also featured in the 2010 movie Leap Year , along with the…
Arlo
Irish or English
"between two hills"
Quirky cool Arlo is now well and truly back. Last year it broke into the US Top 200 boy names and consistently ranks among the most popular boy names on Nameberry. Along with its Irish and English…
Evan
Welsh variation of John
"God is gracious"
Evan has a mellow nice-guy image that has kept it popular, while it has been widely used in Wales since the nineteenth century. And interestingly—and surprisingly—enough, Evan charts highly for boys…
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…
Maxwell
Scottish
"great stream"
A happy medium between the weighty Maximilian and the laid-back Max, Maxwell is one of the most classic and attractive Scottish names . Early influences on the name's revival include Maxwell Smart of…
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.…
Knox
Scottish
"round hill"
Knox is an old Scottish surname that Brad Pitt (whose great-great-grandfather was named Hal Knox Hillhouse) and Angelina Jolie took out of the back cupboard, dusted off, and elevated to coolness--to…

Celtic Boys Names

About this list

The names

Liam

Owen

Dylan

Logan

Rowan

Aiden

Nolan

Cameron

Ian

Arthur

Ryan

Callum

Graham

Declan

Arlo

Evan

Connor

Maxwell

Alan

Knox