Casyn vs Quin

Baby Name Comparison — 2026

Casyn

Boy #4,583 Most Popular 2 Syllables

"vigilant, watchful"

Origin: Irish Gaelic

American Irish English

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Boy #4,687 Most Popular 1 Syllable

"fifth"

Origin: Latin

Irish English Welsh

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Casyn Rank #4,583

Quin Rank #4,687

Casyn is more popular, ranked #4583 vs #4687 for Quin.

Is Casyn or Quin more popular?

Casyn is more popular, ranked #4583 compared to Quin at #4687 in the United States.

What do Casyn and Quin mean?

Casyn means "vigilant, watchful" (Irish Gaelic origin). Quin means "fifth" (Latin origin).

Are Casyn and Quin boy or girl names?

Casyn is primarily a boy name. Quin is primarily a boy name.