MallowbyNames

Jex

JEKS · Of uncertain origin; possibly a modern invented name or a variant of Jax, which is a short form of Jackson.

2025 rank (boys)
#10,695
Babies named in 2025
6
Peak popularity
2018
2025 frequency
1 in 284,679 boys
Usually for
Boys
Trend
Declining since 2021

Declining since 2021, #10,695 for boys today.

Popularity of Jex since 2005

Babies named Jex per year in U.S. Social Security records.

481220102020Most births 2018Boys
Data table (by decade)
DecadeBoys
2000s20
2010s65
2020s31

Meaning & origin

Jex is an extremely rare modern given name that first appeared on the U.S. Social Security Administration's records in 2005. The name reached its peak popularity in 2018, though even then it was uncommon. Since 2021, its usage has been falling, reflecting a longer-term trajectory that may align with shifting trends in short, edgy names ending with 'x'. Jex's emergence coincides with the popularity of similar names like Jax and Knox, and its 1-in-284,679 incidence in the latest recorded year underscores its rarity. The name has no historical roots nor strong cultural associations, making it a purely modern choice that likely appeals to parents seeking a distinctive, concise name.

Jex first appeared as a given name in the United States in 2005, likely influenced by the popular -x ending trend seen in names like Jax and Rex. It may also be a modern respelling or truncation of Jackson, which is of English origin meaning 'son of Jack'. The name remains rare and has no established historical etymology.

Nicknames & variants

Variants: Jax

Sibling names for Jex

Names that share Jex's style, for a brother or sister.

Sisters: Nyx, Rue, Sage, Wren, Zoe

Brothers: Knox, Maddox, Phoenix, Rex, Zane

A parent animal hugging its little one, the personalized name page

J is for Jex, our favorite little boy.

J is for Jex…”

In a Mallowby alphabet book, Jex's letter becomes Jex's page: hand-illustrated, printed hardcover or paperback, made just for them.

Make Jex's book

Books for siblings or grandkids? The second book is 15% off.

Questions parents ask

What does the name Jex mean?
The meaning of Jex is uncertain. It may be a modern invented name or a variant of Jax, which is derived from Jackson, meaning 'son of Jack'.
How popular is the name Jex currently?
As of 2025, Jex ranks 10,695 in the United States, with approximately 1 in 284,679 male newborns given the name in the most recent year.
Is Jex a boy's name or a girl's name?
Jex is predominantly used as a boy's name, based on Social Security Administration data.