65+ Boy Names Ending in X
Updated Sun Sep 03 2023
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X is a cool letter for baby names, whether those names have x in the beginning, middle or end of their spellings. Boys' names that end in x are especially popular.
The top boy name ending in X is Max. Along with Max, other x-ending boy names in the US Top 1000 include Maddox, Alex, Phoenix, Hendrix, Lennox, Dax, Rex, and Fox. Unique X-ending boys' names on our recommended list include Calix, Felix, Lynx, and Theroux. Here is the collection of x-ending boys' names on Nameberry, ordered by popularity on the site.
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- Felix
Origin:
LatinMeaning:
"happy, fortunate"Description:
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 ranks with the standard Franks and Freds. Felix is also an international darling, ranking in the Top 100 in several European and English-speaking countries.
- Max
Origin:
English and German diminutive of Maximilian or MaxwellMeaning:
"greatest"Description:
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 namers. Max is a widely used name internationally.
- Calix
Origin:
Male variation of Calixta or LatinMeaning:
"chalice"Description:
Calix is once-obscure name that is starting to see some use in the US, where 62 baby boys were named Calix in 2022. An indirect influence is the actress Calista Flockhart, who introduced Americans to the female version of this attractive Greek name to prominence.
- Knox
Origin:
ScottishMeaning:
"round hill"Description:
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 the point where it entered the popular baby names list in 2009. Knox now ranks among the most influential celebrity baby names.
- Lennox
Origin:
ScottishMeaning:
"elm grove"Description:
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 name into the spotlight as a first name, while as a last it's tied to Eurythmics singer Annie L.
- Onyx
Origin:
Gem nameDescription:
Unlike Pearl and Ruby, this is one gem name suited for boys, the final x making it sound strong and virile. Musician Iggy Azalea chose the name Onyx for her son.
- Fox
Origin:
Animal nameDescription:
Fox is one animal name backed by a longish tradition, and then popularized via the lead character Fox Mulder on X Files. Fox is simple, sleek, and a little bit wild, and could make an interesting middle name.
- Phoenix
Origin:
Arizona place-name and GreekMeaning:
"dark red"Description:
Phoenix rolls a lot of cool trends into one: it's a place-name and a bird name, it ends in the oh-so-hip letter x, and as the mythic bird that rose from the ashes, it's a symbol of immortality.
- Rex
Origin:
LatinMeaning:
"king"Description:
Now that many dogs are named Max, it's safe to use this sleek, solid, regal name again for your child. And with the charm of its final x, its regal meaning, and its offbeat simplicity, Rex is definitely one to consider.
- Hendrix
Origin:
Dutch and German, from first name HendrikMeaning:
"estate ruler"Description:
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 has the trendy 'x' ending, as well, helping to propel it up the charts and into the spotlight.
- Alex
Origin:
Diminutive of Alexander, AlexisMeaning:
"defending men"Description:
The independent Alex has become a classic in its own right. One of the truest unisex names, Alex is used almost equally for both sexes. Alex is used both on its own and as a short form of formal names of both genders, such as Alexander, Alexandra, and Alexis.
- Maddox
Origin:
WelshMeaning:
"son of Madoc"Description:
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 the middle of the Top 1000, and it has risen since.
- Dax
Origin:
French place-nameDescription:
The appealingly energetic Dax, with its trendy X-ending, re-entered the Top 1000 in 2007. Its somewhat sci-fi vibe emanates from his appearance as a fictional being in the Star Trek universe, seen on the TV show "Star Trek: Deep Space Nine." The Power Rangers character Dax Lo was the Blue Ranger.
- Jax
Origin:
Modern invented nameDescription:
Jax is the Dex-Jex-Pax type of x-ending cool -- possibly too cool -- variation of Jack or nickname for Jaxon or Jackson.
- Roux
Origin:
French from LatinMeaning:
"russet"Description:
Roux is the name of the dashing Johnny Depp character in Chocolat. Roux is French from a Latin word meaning russet or brownish red; it's also a cooking term for a mixture of flour and butter that forms the foundation of many gravies or sauces. Most of today's children with this name, pronounced roo, will actually spell it Rue, for the female character in The Hunger Games.
- Ajax
Origin:
Greek mythology nameDescription:
Ajax was the strong and courageous Greek hero featured in Homer's "Iliad," known as Ajax the Great. But it's also the name of a foaming cleanser, and if you find that reference too strong, you might try the shortened Jax instead.
- Pax
Origin:
LatinMeaning:
"peaceful"Description:
Pax, one of the variations of names meaning peace that are newly popular in these less-than-peaceful times, got a lot of publicity when chosen by Brad & Angelina for their Vietnamese-born son. Parents attracted to Pax may also want to consider Paz, the unisex Spanish version, or Paxton, a growing-in-popularity surname choice that shares that magical X-factor.
- Eryx
Origin:
Greek mythology nameDescription:
Eryx has a sci-fi sound and deep roots. In Greek mythology, Eryx was the son of Poseidon and Aphrodite and a king in Sicily. He was a great boxer, but was eventually beaten by Heracles. He probably got his name from Mount Eryx in Sicily, now known as Erice. Never used before 2005, this could be a mythological gem to watch - and an alternative way to honor an Eric.
- Lex
Origin:
Diminutive of AlexanderMeaning:
"defending men"Description:
Cool short form of Alexander, fresher than Alex and less trendy than Xander... for now.
- Lynx
Origin:
Animal nameDescription:
One of the fierce new animal names new to name lists, helped by its strong x-ending.