Klay vs Sylvester

Baby Name Comparison — 2026

Klay

Boy #2,112 Most Popular 1 Syllable

"clay, mortal man"

Origin: Old English

American English

✓ All Clear

Boy #2,106 Most Popular 3 Syllables

"of the forest, wooded"

Origin: Latin

English German Italian Polish Catholic

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Klay Rank #2,112

Sylvester Rank #2,106

Sylvester is more popular, ranked #2106 vs #2112 for Klay.

Is Klay or Sylvester more popular?

Sylvester is more popular, ranked #2106 compared to Klay at #2112 in the United States.

What do Klay and Sylvester mean?

Klay means "clay, mortal man" (Old English origin). Sylvester means "of the forest, wooded" (Latin origin).

Are Klay and Sylvester boy or girl names?

Klay is primarily a boy name. Sylvester is primarily a boy name.