Updated October 2026
Across 5 pages
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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.
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…
Irish
"brave in battle"
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…
"broad meadow or large-chested"
The Irish name given to Miranda Hobbes's son on the dearly departed Sex and the City is a friendly and energetic choice. You well might want to make your son part of the Brady bunch. Brady has been a…
Aidan was originally a pet form of the Irish name Aodh (pronounced 'ee'), the name of the old Celtic god of the sun and fire. The name was borne by numerous early Irish saints, one of whom was noted…
Irish and Scottish
"fair-haired hero"
A hugely popular choice for boys in England and Wales, Finley has been used for both sexes in the US since the early 2000s, and has since become one of the most popular unisex names . Until recently,…
Variation of Brian, Irish
"strong, virtuous, and honorable"
An alternate spelling of Brian, Bryan's one of the most enduring of Irish imports. Bryan is now slightly more popular than the original, with associations to Bryan Cranston, Bryan Ferry and Bryan…
The origins of the name Brian are not entirely clear, but it is suspected that it evolved from an Old Celtic word related to nobility. In Ireland the name is associated with Brian Boru, the most…
Diminutive of Nicholas or Irish and Scottish
"people of victory; pup"
Thanks to its dashing Anglo-Irish image — due partly to Colins Firth and Farrell — and its C-initialed two-syllable sound, Colin and its cousin Collin have enjoyed a long run of popularity, reaching…
"noble"
Following in the footsteps of popular brother Brady, Grady is another lively, ebullient Irish surname name. The O'Gradys (originally O Gradaugh) were an ancient clan that produced an impressive…
"little black-haired one"
Long popular in Ireland and England, Kieran, the name of Ireland's first-born saint and twenty-five other saints, has been building its U.S. fan base thanks to its strong and attractive sound, and…
Irish; Persian
"ancient; king"
A friendly Irish and Persian name chosen by Geena Davis for one of her twin boys, whose father is Iranian. Irish and Iranian has to be one of the most diverse pair of roots of any name. Kian can be a…
"war strife or church"
Killian – aka Cillian – is a spirited yet resonant Gaelic name that was borne by several Irish saints and could make a distinctive replacement for the dated Kelly. Kylian is another spelling that's…
Scottish or Irish
"son of"
Mack, when "formalized" with the final k, makes an engagingly amiable choice, a far more uncommon alternative to the ubiquitous Max and Jack, with a nice, every-guy feel. Mack entered the popularity…
"descendant of Conn, chief leader, intelligence"
Quinn is an engaging Celtic surname, zippy, concise and strong. While it may now lean feminine in the US, given to girls about 80% of the time, it is still given to a substantial number of boys: 615…
Irish variation of John
"God is gracious"
Sean, after a long reign as one of the top Irish boys' names in the US, has now slipped as parents look to fresher Irish choices such as Liam and Aidan. In Ireland, Sean is still highly popular, but…
Variation of Colin and Collins
Thanks to its dashing British image and c-initialed two-syllable sound, Colin/Collin has enjoyed a long run of popularity.
Cillian is one of the native Irish names that, along with Aiden and Declan, is becoming an unlikely favorite in contemporary America. The Killian spelling has been more popular in the US, but…
"fair"
If you like the Finn names and love James Joyce, Finnegan is extremely winning. Will & Grace 's Eric McCormack chose the Finnigan spelling for his son. And of course Finnegan gains you access to the…
Greek, French
"of Troyes"
Troy shot to popularity as a first name in tandem with that of 1960s heartthrob Troy (born Merle) Donahue; its image has now, thanks in part to the Brad Pitt-starring epic, Troy , receded back to…