Casyn vs Petar

Baby Name Comparison — 2026

Casyn

Boy #4,583 Most Popular 2 Syllables

"vigilant, watchful"

Origin: Irish Gaelic

American Irish English

✓ All Clear

Boy #6,347 Most Popular 2 Syllables

"rock, stone"

Origin: Greek

Serbian Croatian Bulgarian Macedonian

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Casyn Rank #4,583

Petar Rank #6,347

Casyn is more popular, ranked #4583 vs #6347 for Petar.

Is Casyn or Petar more popular?

Casyn is more popular, ranked #4583 compared to Petar at #6347 in the United States.

What do Casyn and Petar mean?

Casyn means "vigilant, watchful" (Irish Gaelic origin). Petar means "rock, stone" (Greek origin).

Are Casyn and Petar boy or girl names?

Casyn is primarily a boy name. Petar is primarily a boy name.