Cason

♂ Boy

Pronounced KAY-sun /ˈkeɪ.sən/High

Meaning: American surname-turned-given-name, most plausibly derived from Casey (Irish Gaelic Cathasach, meaning watchful or vigilant) combined with the -son suffix meaning son of, or alternatively a phonetic variant of JasonMedium

In 30 seconds: Cason is a clean, modern American name meaning watchful, rooted in the Irish Gaelic Casey. It belongs to the popular family of -son surname names and has a strong, simple sound ideal for boys.

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Origin MediumIrish Gaelic, American English

MeaningAmerican surname-turned-given-name, most plausibly derived from Casey (Irish Gaelic Cathasach, meaning watchful or vigilant) combined with the -son suffix meaning son of, or alternatively a phonetic variant of Jason

U.S. rank (2025)#846 ↗ Rising

2025 U.S. births291 boys (0.02% of U.S. boys)

Peak year2014

Total births (all-time)≈ 11,306

Popularity in the U.S. · SSA data

U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.

SSA data updated May 2026. How we source & verify this data.

History & Origin

Cason is a modern American given name that functions as a variant of the surname Casey, from Irish Gaelic Cathasach (watchful, vigilant). The -son suffix adds the English patronymic meaning 'son of Casey'. Alternatively, Cason may be a phonetic respelling of Jason, from the Greek hero's name, or a variant of the place name Cason found in the American South. As a first name it is a distinctly American phenomenon.

Cason gained consistent presence on U.S. name charts in the late 20th and early 21st centuries, appealing particularly in Southern states where surname-as-given-name traditions are strongest. It shares phonetic and aesthetic space with Mason, Jason, Grayson, and the broader -son/-ason family of names that defined American masculine naming in the 1990s and 2000s.

Did you know? The Casey root in Cason traces to the Irish Cathasach — a word that also underlies the Irish phrase cath (battle), reflecting the warrior culture from which many Irish names emerged.

Overall data confidence 78%

Behind the Name — Casey — Irish Gaelic etymology as Cason rootU.S. Social Security Administration — Cason frequency data

Variations

CasenCaysonKasen

Nicknames

Case

Famous Bearers

Famous bearers coming soon.

If you like Cason…

Mason— same two-syllable -ason sound and enormous American popularity

Jason— possible direct phonetic source; shares the -ayson sound

Grayson— same -ayson surname-name pattern and similar era of popularity

Lawson— fellow American -son patronymic surname used as a given name

Explore names like Cason

By thememodern american surname-name two-syllable southern irish-gaelic

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Frequently Asked

What does the name Cason mean?

Cason likely means watchful or son of Casey, from the Irish Gaelic Cathasach combined with the English -son suffix.

How do you pronounce Cason?

It is said KAY-sun, with two syllables.

Is Cason a popular name?

Cason appears consistently on U.S. name charts, particularly in the South, as part of the -son/-ason name family.

Is Cason the same as Jason?

Cason and Jason are phonetically similar but etymologically distinct; Cason relates to Irish Casey while Jason comes from Greek mythology.