Branigan, also spelled Branagan or Brannigan, is an Irish name full of energy and cheer. It was the title of a 1975 John Wayne movie, and Zapp Brannigan is the antihero of the animated sitcom "Futurama." 

Branigan fans might also want to consider such related <a href="https://nameberry.com/baby-names/168/irish-names">Irish names</a> as Brennan and Breccan, Rafferty and Finnegan.

Branigan

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.

Callahan

Calloway is one of those irresistibly jaunty, animated three-syllable surnames, like Sullivan and Finnegan — but this one has the added attraction of jazzy ties to the immortal "Dean of American Jive," Cab Calloway.
 There was a 1951 comedy spoof called "Calloway Went Thataway."

Calloway

Cashel is one of the many appealing <a href="https://nameberry.com/baby-names/168/irish-names">Irish names</a> that have not yet emigrated to the US. Cashel was chosen by actor Daniel Day-Lewis and his writer-director wife Rebecca Miller for their son. 
 In Ireland, Cashel refers to a circular stone fort. It is the name of a town in Tipperary and the protagonist of the George Bernard Shaw novel Cashel Byron's Profession.
 The Cash sound feels especially contemporary and appealing now, with Cashel joining such stylish brothers as Cassius, Cassian, and Cash.

Cashel

Both offbeat and upbeat, this evocative traditional Irish name that runs through Celtic mythology is known here via award-winning novelist Cormac McCarthy (born Charles). The author's adopted name is related to Cormac Mac Airt, one of the great legendary high kings of Ireland.
 In two of the Harry Potter movies, Cormac McLaggen is a Gryffindor student.
 And for all you popularity-phobes, Cormac has never yet made it onto the American Top 1000 list.

Cormac

Lighthearted, spirited Irish-accented name. Works particularly well with an O' surname, as in 'Darby O'Gill and the Little People'. Patrick Dempsey chose it for one of his twin boys.

Darby

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.
 
Declan, the amiable and appealing name of an Irish saint (and the real first name of singer Elvis Costello), is very popular in the Emerald Isle and beginning its certain climb to popularity here, after debuting on the American list in 1998. Like Aidan and Liam, Declan is shaping up to be an American hit.
 
Declan Porter is a current character on Revenge. 
 Cyndi Lauper spelled her son's name Declyn.

Declan

This name shares sounds with Keagan and Teagan, but has its own roots in Irish culture. Freestyle Motocross rider Brian Deegan may be partly responsible for this name's entrance into the US Top 1000.

Deegan

Devlin is an Irish name that's fresher and even more devilish than Devin. 
The earliest written record of this surname occurs in the thirteenth century, when an O'Devlin was appointed Bishop of Kells in 1211.
 In the contemporary world, Devlin Agamand is a character in the video game "War of Witchcraft" and there is a British rapper who goes by the single name Devlin. Bernadette Devlin was the youngest woman ever elected to the British Parliament.

Devlin

Donnelly is among the more appealing Irish surname names, less well used than Donovan. Related options include the place name Donegal and the mythological god name Donegan.


Donnelly

One of the first of the appealing Irish surnames to take off in this country, this <a href="https://nameberry.com/boys-names">boys’ name</a> has long outgrown its "Mellow Yellow" association, which came via the single from a sixties singer-songwriter named Donovan. 
 Donovan was Scottish-born Donovan Leitch, whose name was probably inspired by his father Donald's. He proved to be an adventurous, celestial namer himself--three of his children are Astrella Celeste, Oriole Nebula and Ione Skye.
 Another potential namesake is retired pro bowl quarterback Donovan McNabb.
 Donovan was in the USA Top 1000 as early as 1900.
 Related options are surname Donegan and place name Donegal.

Donovan

Donegan

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 great short form Finn.
 James Joyce took the title of Finnegans Wake from an old Irish-American song.
 Finnegan represents a whole genre of Irish family names you might consider, such as Harrigan, Brannigan, Corrigan, Donegan, Mulligan, Flanagan and Lanigan.

Finnegan

Gallagher is, like so many of its genre, friendly, open, and optimistic. Some might associate it with the fraternal members of the band Oasis, Noel and Liam Gallagher.


Gallagher

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.
 Tampa Bay Rays outfielder Grady Sizemore was born Gradius.

Grady

Hennessey

Kim Basinger and Alec Baldwin put Ireland on the map when they chose it as a first for their daughter, saying that geographic names were a family tradition. And it seems they were a bit ahead of the curve (or trendsetting)—Ireland has been among the fastest-rising names of recent years. Other Irish place names include Shannon, Kerry, Galway, and Dublin.

Ireland

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.
 The related name Egan is another recommended possibility.

Keegan

Kerrigan

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 gaining traction, thanks to French soccer star Kylian Mbappé. Possible downsides: an unsavory first syllable and a connection to the trendy brew. 

Killian

Maeve is a short and sweet name that has become one of the most stylish Irish names for girls in the modern US. Maeve would make an excellent first or middle name choice, with more heft than Mae/May and more modern charm than Mavis. 
 Maeve appears in Irish mythology in two forms, one as the powerful Queen of Connacht, the other as the queen of the fairies. Maeve of Connacht was a warrior queen, famous for starting a war in attempt to steal her ex-husband’s stud bull. Other spellings are Meabh, Medb and Meadhbh, which are connected to mead, a honey-based wine that was produced in many ancient cultures.
 
Chris O'Donnell, Lili Taylor and Kathryn Erbe used Maeve for their daughters. The Irish author Maeve Binchy also is a well-known bearer. Maeve is the name of one of the lead characters on the HBO show Westworld.
 Irish spelling Meabh is popular in Ireland, but not recommended in the US.

Maeve

Before the young Irish actress Saoirse Ronan made her mark in the films Ladybird and The Lovely Bones, few of us had heard this name, let alone known how to pronounce it. But now it is slowly way edging its way into the mainstream, particularly, of course, with parents who have Irish roots. It made its first appearance in the US Top 1000 in 2016, when it was the third-fastest-rising girls' name.
 
Saoirse originated as a baby name in 1920s Ireland as an applied use of saoirse, the Gaelic word for "freedom." The name was first adopted during the Irish War of Independence, when the Irish Republican Army fought the British Army for the liberation of Ireland from British rule. In modern times, Saoirse, as well as a host of other <a href="https://nameberry.com/list/1051/gaelic-names">Gaelic names</a>, are being revived in Ireland, the UK, and the US.
 Another related name Is Sorcha, pronounced SURK-ha and meaning "radiance": in the film Willow, the character's name is spelled Sorsha – another way to pronounce it.

Saoirse

Parents who have tired of Sean are now contemplating Seamus, the Irish form of James, which has a lot more substance and verve.
 One of the name's most famous bearers is the 1995 Nobel Prize-winning Irish poet Seamus Heaney. Seamus is also a Harry Potter name—Seamus Finnigan is a half-blood wizard friend of Harry's.
 At a time when the police force was predominantly Irish, "shamus" became a slang term for a detective.

Seamus

Upper crust-y surname Sheridan gains some energy when used for a girl. 

Sheridan

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.
 The third most common surname in Ireland, Sullivan's heritage dates back to the third century. Countless distinguished surnamed Sullivans include Sir Arthur, half of composing team Gilbert & Sullivan, Helen Keller's teacher Annie, Chicago architect Louis, early boxer John L. and dour columnist/TV emcee Ed.
 Other celebs with boys named Sullivan: singer Tom Waits and actor James Marsters. Heroic pilot Chesley Sullenberger is known as Sully, and a featured character in Pixar's Monsters, Inc. and Monsters University was Sullivan.

Sullivan

homebytheriver's list "Luck of the Irish" of 25 great name ideas: Branigan - Sullivan!