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Home › Baby Names Directory › Castin

Castin

♂ Boy

Pronounced KAS-tin /ˈkæs.tɪn/High

Meaning: A modern name, variously a spelling of Caston (an English place) and Gaston ('from Gascony; a guest/stranger', French); routes layeredLow

In 30 seconds: A modern name; a Caston/Gaston echo: Castin. Crisp, modern, and warm.
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Origin LowAmerican, French
MeaningA modern name, variously a spelling of Caston (an English place) and Gaston ('from Gascony; a guest/stranger', French); routes layered
U.S. rank (2025)#12369 ↘ Falling
2025 U.S. births5 boys (0.00% of U.S. boys)
Peak year2017
Total births (all-time)≈ 184

Popularity in the U.S. · SSA data

peak 201720062025

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

Castin is a modern name, with no single fixed root — variously a spelling of Caston (an English place) and Gaston ('from Gascony; a guest/stranger', French; routes layered, which we note). A crisp, modern name (said 'KAS-tin').

It registers thinly in records. Rare, from-Gascony at the root, and modern.

Did you know? Castin is a modern name, variously a spelling of Caston (an English place) and Gaston ('from Gascony; a guest', French) — a crisp, modern name (the routes are layered, which we note; said 'KAS-tin').
Overall data confidence 30%
U.S. Social Security Administration name files — routes layered

Variations

CastonCastynCasten

Nicknames

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If you like Castin…

Caston— a name it spells
Gaston— a name it echoes
Austin— a sound-neighbor -stin boys' name
Caspian— a fellow Cas- boys' name

Explore names like Castin

By themeuncertaincoinageamericanfrench

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Frequently Asked

What does the name Castin mean?

Castin is a modern name echoing Caston and Gaston ('from Gascony'); the routes are layered.

How do you pronounce Castin?

It's said KAS-tin /ˈkæs.tɪn/ — two syllables, stress on the first.

Is Castin a boy or girl name?

Castin is a boy's name.

How popular is Castin?

Castin is a very rare name in the U.S.

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