Given name & surname

Dex

“a right-handed man; one who is skillful”·“one who is skillful”

Dex is a variant of Dexter. One Latin interpretation is “a right-handed man; one who is skillful.” Dex is a variant of Dextra. In Latin use, Dextra carries the interpretation “one who is skillful.”

Meaning & origin

What it means

Dex is a variant of Dexter. One Latin interpretation is “a right-handed man; one who is skillful.” Dex is a variant of Dextra. In Latin use, Dextra carries the interpretation “one who is skillful.”

Explained through its name family

Where it comes from

Dex is a variant of Dexter. An origin associated with Dexter is Old English.

Explained through its name family

How it developed

Dex is a short form of Dexter.

The story

Published U.S. birth records include this spelling as early as 1952. This is the earliest published observation available here, rather than a date for the name’s origin. Dex is a variant of Dexter. The history of Dexter gives this family its wider story. Dexter’s naming history includes the use of a family name as a given name.

Combines direct and name-family evidence

Dex through the years

Babies since 1880
658
658 boys · 0 girls
Most popular year
2016
43 babies
2025
20
#4,897 for boys
2021–25 vs 2016–20
−11%
Easing
01020301960198020002025Highest share 201612
Dex in U.S. Social Security birth records, 1952–2025, per million boys born. Years with fewer than five births for a sex are not published and appear as zero. Use the arrow keys to step through years.

By the numbers

In 2025, this name appeared in 20 U.S. birth records for boys, ranking No. 4,897 among boys’ names. Average annual use for boys was 10.8% lower in 2021–2025 than in 2016–2020. Its largest published annual count for boys was 43 in 2016. Published U.S. population figures for this spelling include 637 as a first name in 2020.

From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.

Dex’s family of names

Dex is a short form of Dexter. Dex has a related form in Dextra. Dex has a related form in Dexter.

Walk Dex’s family in the name graph

DexDecksDexterDextra

Inner ring: spellings · outer: nicknames and forms.

Hover or tab through the constellation to see how each name is related. Bigger dots are names more people in the U.S. share.

Nicknames & forms 2

Diminutives, pet forms, short forms and variants used alongside the name.

Spellings & scripts 1

The same name written differently, including transliterations into other scripts.

See also 2

Names our sources mention alongside this one. They are related in story or meaning, not forms of this name.

Appears in

Similar names

If you love Dex, these share its style, era, origin or sound, from outside its own family.

Modern

Jax

“resembling the hyacinth” · “the son of Jack or John”

65FamiliarEasing

99% boys · 1% girls

Modern

Daxton

“from the French town Dax”

63FamiliarEasing

>99% boys

Gaelic · Celtic

Declan

In Irish use, Declan is used as a form of Gaelic.

76CommonEasing

99% boys · 1% girls

Welsh · Modern

Maddox

“born into wealth and prosperity” · “the son of the benefactor”

72CommonEasing

96% boys · 4% girls

 

Cash

“refers to a chest or box”

67FamiliarSteady

99% boys · 1% girls

Latin · Mythological

Titus

“of the giants” · “a great defender”

64FamiliarEasing

>99% boys

English

Reed

“a red-haired lady”

63FamiliarSteady

97% boys · 3% girls

Modern

Lukas

“a man from Lucania”

67FamiliarEasing

>99% boys

Sibling ideas

Names that share Dex’s feel without repeating its first letter or rhyming with it.