Eamon is one of the traditional Irish names that has not yet emigrated to the US. This Irish name pronounced ay-mon was popularized by early president of the independent republic Eamon de Valera (birth name George), who was born in the United States to an Irish mother and a Cuban father. Eamon definitely has possibilities as a successor to the epidemically popular Aidan/Aiden.

Bowen is a Celtic surname representing two separate Celtic strains, one Welsh and one Irish, and entered the US Top 1000 for the first time in 2011.

Duncan is jaunty, confident, and open, a Scottish royal name that's brimming with friendly charm and makes it into our golden circle of names that are neither too popular nor too strange. Popularity aside, Duncan is one of the most classic Scottish names for boys.

Gavin, a name with Scottish roots, has stepped into the spotlight, replacing the dated Kevin, thanks in part to pop-rock sensation Gavin DeGraw and Bush lead singer Gavin Rossdale.

Morgan, once split evenly between the sexes, is a strong and attractive Welsh favorite, still a common boys’ name in Wales. Morgan is now more often a girls' name in the U.S. – about 2000 girls were given the name in one recent year, vs. 362 boys – though it's one of the most traditional unisex choices. Morgan was actually a Top 200 pick for boys in Victorian Britain!

Baseball commissioner Bowie Kuhn put this name in play as a first name, but David Bowie (born with the considerably less marketable moniker of David Robert Jones) gave it charisma. He changed his surname in 1965 to avoid confusion with the then popular Davy Jones of The Monkees, borrowing it from the American hero of Alamo, Jim Bowie.

When Harrison is too much, but Harry isn't enough, try this stylish surname name with a touch of British flair. It briefly reentered the US Top 1000 for the first time since 1988 in 2016, but has since dropped just below the radar again.

A growing number of high-profile (and other) parents are choosing to honor their musical idols, such as Hendrix, Presley, Jagger, and now Lennon.

A handsome Irish name for boys, very popular in that country, but in the US this traditional spelling might cause pronunciation problems. Still, whether Cian or Kian, it's simple and straightforward enough for the initiated. Cian is rising in the British popularity charts.

Murray, you may be surprised to discover, is a Scottish surname name --that of an ancient noble clan--with a sea-swept meaning, and just could be in the next wave of reevaluated grandpa names. Currently Number 60 for baby boys born in its native Scotland; it was at its highest in the US in 1922, when it reached Number 208, but has been off the list since 1975. Could it be time for a comeback?

Maverick meets Merritt in this strong sounding choice, which has its origins in Welsh, German, and Scottish. Notably borne by dancer Merrick Hanna, comedian and presenter Merrick Watts, and by Merrick Tremayne, the central character of Natasha Pulley's novel, The Bedlam Stacks, it was briefly bumped into the US Top 1000 in 2016 following The Supreme Court saga of Justice Merrick Garland.

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 show Parenthood, played by Dax Shepard.

Keegan is one of a clan of spirited Irish surnames starting with K and ending with 'n'--this one with the cheery double 'e' in the middle-- that are appealing to an increasing number of parents. It derives from Mac Aodhagáin, meaning "son (or descendant) of Aodhagán," a diminutive of the Irish name Aodh--pronounced Aye.

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 2010, but is still widely used.

Attractive Scottish and Irish surname name of a seventh-century saint, associated with the illusionist and escape artist David Blaine.

Clancy, one of the original crossover Irish surname names, is as energetic and appealing as ever — full of moxie, more distinctive than Casey, and also one of the less obvious of the red-headed names.

The seventh most common surname in Scotland, once associated only with soup, is now being considered as a last-name-first choice, accessible but unusual.

Damon is a name with a strong, pleasing aura (much like the persona of Matt D.) and extremely positive ancient associations. From the classical myth, Damon and Pythias have become symbols of true friendship, as Damon risked his life to save his friend from execution. And Damon of Athens was the fifth century philosopher who taught both Pericles and Socrates.

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 number of bishops.

Perhaps the most remarkable O'Grady descendant is Muhammad Ali, whose mother's maiden name was Grady.

Kellan Lutz is the attractive young actor who plays Emmett Cullen in the Twilight series.