Boys' Names that End in X

The Mordax is a species of scorpion found in North America. An offbeat nature name with the punchy "X" factor, Mordax could be a choice for parents looking for something beyond Max, Phoenix, Knox and Maddox.

Mordax

A paradox is a statement that while seeming true contradicts itself. With the less-than-pleasant "Doxy" as an obvious nickname, Paradox is perhaps a better name for a cat than a baby.

Paradox

The name of a 7th to 8th century Italian monk who rebuilt the monastery at Monte Cassino. In Italian, he is called Petronace.

Petronax

Phenex is a demon known as one of the Great Marquis of Hell, ruling over legions of demons. He is known for science and poetry. 

Phenex

A rare and striking flower name, in use in English since the late 19th century, which takes its name from the Greek word for "flame".

Phlox

Phox

In 2020, Cameron Diaz and Benji Madden named their daughter Raddix Chloe Wildflower. They invented the name themselves, but radix is a Latin word meaning "root," giving it a nature and linguistics connection.
 
Raddix and Radix both joined the baby name charts in 2021, but so far only for boys.

Raddix

Radix is a Latin word meaning "root" that was adopted as a name — in the form of Raddix — by Cameron Diaz and Benji Madden for their daughter, born in 2020. The following year, both Raddix and Radix debuted on the charts for boys.

Radix

Shax is a demon known as a Great Marquis of Hell, ruling over legions of demons. He is typically depicted as a stork. 

Shax

Tux can be used as a short form of Tucker, but you're likely more familiar with it as a name for black and white cats. As a pet name, Tux comes from tuxedo — black and white men's formal evening wear. The tuxedo was named after Tuxedo Park, a development for the New York elite and the site of the country club where the tuxedo was first worn.
 
Tuxedo Park, in turn, is speculated to be named after an Indigenous term. In Algonquian, p'tuck-sepo means "crooked river".

An ancient Gaulish king with a cumbersome name and history. Vercingetorix was the leader of the Arverni tribe, who united the Gauls in a revolt against Roman forces during Julius Caesar's Gallic Wars. He was ultimately defeated, brought to Rome, and executed.

Vercingetorix

Addix

Addox

Alax

Alexix

Alexx

Arlex

Paxx is a modern masculine name that appears to be a contemporary variant of Pax, the Latin word for 'peace.' With its double 'x' ending, Paxx adopts a distinctly contemporary, edgy style while maintaining the meaningful foundation of its root word. This spelling variation is extremely rare and likely a recent creation, appealing to parents seeking unique, gender-neutral naming options with minimalist structures. The name has a strong, concise sound that works well in today's naming landscape where short, impactful names are increasingly popular. The additional 'x' gives the name a more distinctive, modern edge compared to the traditional Pax, potentially appealing to parents influenced by technology, science fiction, or contemporary naming trends.

Paxx

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.

 is Felix, followed closely by Max. Along with Felix and Max, other x-ending boy names in the US Top 1000 include Maddox, Alex, Phoenix, Hendrix, Lennox, Dax, Rex, and Fox.

 on our recommended list include Calix, Lynx, and Theroux.



Here is the collection of x-ending boys' names on Nameberry, ordered by current popularity on Nameberry.

Boy names ending in X including popular boy names that end in X and unique boy names ending in X, with meanings, origins, and popularity. (Page 13)

65+ Boy Names Ending in X