Name Spellings, Initials and Sounds · Cool Baby Names
X Factor Baby Names
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About this list
The letter X seems to all by itself create cool baby names. Think about Jackson, an already-trendy name made livelier by the Jaxon variation. Even classic names with an X, such as Alexander, seem more, well, exciting compared to other traditional names.
Along with Alexander and Jaxon, other baby names with an X in the US Top 200 include Axel, Xavier, Braxton, Ximena, Alexandra, Max, Maddox, and Xander. Even a silent X makes baby names infinitely cooler, such as in Croix, Deveraux, Margaux, and Roux.
One X name you won't see on this list: Alexa. Alexa is now inextricably linked to Amazon's virtual assistant and as such, is one of the fastest-falling names of the moment.
However, there are plenty more wonderful names with Xs. Some of the best baby names with the X factor are here.
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The names
Alexander
Greek
"defending men"
Alexander has been in a Top 25 boys' name in the US for 30 years now. But namers are still attracted to its imposing historic pedigree. Alexander is derived from the Greek name Aléxandros, composed…
Axel
Scandinavian variation of Absalom
"father of peace"
A classic in its native Scandinavia, Axel has a cool rock 'n' roll flavor in the US, thanks to Guns N' Roses' Axl Rose (born William). With its distinctive letter 'x', it has an effortlessly cool…
Xavier
Basque
"new house"
Xavier originated is use as a given name after Saint Francis Xavier, cofounder of the Jesuit order, who got his name from the Spanish-Basque village where he was born. His birthplace was Javier, the…
Jaxon
Spelling variation of Jackson
"son of Jack"
Jaxon has been mostly climbing in popularity since it entered the Top 1000 in 1997, proving that many parents have decided to rev up the cool factor of Jackson by giving it this streamlined spelling.…
Braxton
English
"Brock's settlement"
Braxton entered the popularity ranks in 1985 and has been climbing steadily ever since. It has gained from the all-powerful X-factor, and perhaps also from the reality TV show, Braxton Family Values…
Felix
Latin
"happy, fortunate"
Felix is one of those ancient but nontraditional names for boys that have come into favor over the past few decades, a favorite of parents who want a masculine name with history and heft that breaks…
Max
English and German diminutive of Maximilian or Maxwell
"greatest"
Max was derived from Maximilian, a Latin name that originated from the Roman family name Maximus. The character name Max in the children's classic Where the Wild Things Are had an impact on baby…
Ximena
Feminization of Ximeno, Spanish
"hearing, listening; son"
A popular choice in Mexico and a Top 200 name in the US, though usually for girls. Ximena has that stylish X- initial and a sunny feel. Alternative form Jimena is also in the charts and is far more…
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…
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…
Maddox
Welsh
"son of Madoc"
Maddox, a previously obscure Welsh family name with a powerfully masculine image, suddenly came into the spotlight when Angelina Jolie chose it for her son in 2003. By the following year it was in…
Xander
Diminutive of Alexander, Greek
"defending men"
Xander is a diminutive of Alexander, the Latin variation of the Greek Alexandros. Its meaning, "defending men," is taken from the Greek roots aléxein , "to defend," and andros , "men." Zander,…
Maximus
Latin
"greatest"
The powerful name of the powerful character played by Russell Crowe in the 2000 film Gladiator first appeared on the popularity charts that same year. Max to the max. One time considered a "too much…
Lennox
Scottish
"elm grove"
Lennox is an aristocratic and powerful Scottish surname name made truly special by that final x. The worldwide fame of British boxer--World and Olympic champion--Lennox Claudius Lewis brought the…
Phoenix
Arizona place-name and Greek
"dark red"
Effortlessly cool with a hint of the mystical, Phoenix rolls a lot of trends into one: it's a place-name and a bird name, it ends in the stylish letter x, it's got in-built nicknames, and it's unisex…
Paxton
Latin and English
"peace town"
Paxton stands out from a lot of other two-syllable surname names for two reasons: the dynamic letter X in the middle, and its admirable peace association, providing the great nickname Pax. One well…
Jax
Modern invented name, English
"God is Gracious"
With its cool -X ending, Jax is an update on the classic nickname Jack, likely inspired by the rise of Jackson. It garnered attention in the US thanks to the game, Mortal Kombat II back in the '90s,…
Hendrix
Dutch and German, from first name Hendrik
"estate ruler"
Hendrix is one of those hip rock and roll names, like Lennon, Jagger and Presley, that have been used by fellow celebs and others, to honor the seminal guitarist/singer/songwriter Jimi. And this one…
Onyx
Word name
"gem stone; claw, nail"
Unlike Pearl and Ruby and more like Jasper, this gem name works well as a boys name. With its strong final X, it feels similar to Alex, Phoenix, Jax, and Rex, while the shiny black quality of the…
Xiomara
Feminine variation of Guiomar, Spanish, Portuguese
"famous in battle"
The gorgeous and romantic name Xiomara popped into the Top 1000 from 2004-2011 after a contestant on America's Next Top Model increased interest in her rare name. Now Xiomara is back and more popular…

