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Cayson

♂ Boy

Pronounced KAY-sun /ˈkeɪ.sən/High

Meaning: Modern American variant of Cason or Jason combined with Casey, where Casey derives from the Irish Gaelic Cathasach meaning 'watchful' or 'vigilant'; -son suffix implies son of CaseyMedium

In 30 seconds: Cayson is a modern American name, a creative variant of Cason or Casey, meaning watchful or son of Casey. Its crisp two-syllable sound and Kay- opening give it bright contemporary appeal.
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Origin MediumIrish Gaelic, American English
MeaningModern American variant of Cason or Jason combined with Casey, where Casey derives from the Irish Gaelic Cathasach meaning 'watchful' or 'vigilant'; -son suffix implies son of Casey
U.S. rank (2025)#835 ↘ Falling
2025 U.S. births296 boys (0.02% of U.S. boys)
Peak year2016
Total births (all-time)≈ 6,364

Popularity in the U.S. · SSA data

peak 201619932025

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

History & Origin

Cayson is a modern American coinage, blending elements from several traditions. The Kay- opening echoes Casey, from Irish Gaelic Cathasach (watchful, vigilant). The -son suffix is the English patronymic meaning 'son of'. Alternatively, Cayson may be a creative phonetic spelling of Kaison or Cason, a surname-style name enjoying popularity in the American South and Midwest.

Cayson belongs to the family of modern American names built on the popular -ayson/-ason pattern, alongside Cason, Jason, Mason, and Grayson. These names share an easy two-syllable structure with the -sun or -son ending that sounds solid and approachable. Cayson is relatively rare but consistent on American name charts since the 2000s.

Did you know? The Casey family of names derives from the Irish Gaelic Cathasach, meaning watchful — a quality prized by Irish warriors who kept watch over their communities through centuries of conflict and invasion.
Overall data confidence 72%
Behind the Name — Casey — Irish Gaelic etymology as the likely rootU.S. Social Security Administration — Cayson name frequency data

Variations

CasonKaisonKaysen

Nicknames

CayKay

Famous Bearers

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If you like Cayson…

Cason— the most direct variant spelling of the same name
Mason— shares the two-syllable -ason surname-name pattern and American popularity
Grayson— fellow two-syllable -ayson name following the same surname-name trend
Jayson— same -ayson phonetic family with a J- opening instead of C-

Frequently Asked

What does the name Cayson mean?

Cayson likely means watchful or son of Casey, from the Irish Gaelic Cathasach (vigilant) combined with the English -son suffix.

How do you pronounce Cayson?

It is said KAY-sun, with two syllables.

Is Cayson the same as Cason?

Cayson is a variant spelling of Cason; both are modern American names in the same family.

Is Cayson a popular name?

Cayson is a rare but consistent modern name on U.S. charts, less common than Mason or Grayson.