Casyn

♂ Boy

Pronounced KAY-sən /ˈkeɪ.sən/High

Meaning: Spelling of Cason (echoing Mason, 'a builder/stoneworker'); no single fixed rootLow

In 30 seconds: Crisp and modern: Casyn spells Cason — echoing Mason, 'a builder' — with a fresh -syn. Sleek, strong, and warm.

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Origin LowAmerican

MeaningSpelling of Cason (echoing Mason, 'a builder/stoneworker'); no single fixed root

U.S. rank (2025)#5244 ↘ Falling

2025 U.S. births18 boys (0.00% of U.S. boys)

Peak year2020

Total births (all-time)≈ 510

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

Casyn is a spelling of Cason — echoing Mason, 'a builder, stoneworker' (routes layered, which we flag). It has no single fixed root; the crisp sound carries it.

It registers thinly in records. Very rare, a-builder in echo, and crisp.

Did you know? Casyn brushes Cason and Mason ('a builder, stoneworker') — a crisp, modern coinage (a sister spelling of Caisyn).

Overall data confidence 45%

U.S. Social Security Administration name files — recent emergence

Variations

CasonCaysenCaisyn

Nicknames

Cas

Famous Bearers

Famous bearers coming soon.

If you like Casyn…

Cason— the base spelling

Caisyn— a fellow spelling

Mason— the name it echoes

Jaysen— another -syn coinage

Explore names like Casyn

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Frequently Asked

What does the name Casyn mean?

Casyn echoes Cason/Mason ('a builder'); it has no single fixed meaning, so we flag it.

How do you pronounce Casyn?

It's said KAY-sən /ˈkeɪ.sən/ — two syllables, stress on the first.

Is Casyn a boy or girl name?

Casyn is a boy's name.

How popular is Casyn?

Casyn is a very rare, recent name in the U.S.