Kay vs Ustin

Baby Name Comparison — 2026

Kay

Boy #6,417 Most Popular 1 Syllable

"rejoice; pure"

Origin: Latin

English American Welsh

✓ All Clear

Boy #6,598 Most Popular 2 Syllables

"just, righteous"

Origin: Latin

English Russian Ukrainian

✓ All Clear

Kay Rank #6,417

Ustin Rank #6,598

Kay is more popular, ranked #6417 vs #6598 for Ustin.

Is Kay or Ustin more popular?

Kay is more popular, ranked #6417 compared to Ustin at #6598 in the United States.

What do Kay and Ustin mean?

Kay means "rejoice; pure" (Latin origin). Ustin means "just, righteous" (Latin origin).

Are Kay and Ustin boy or girl names?

Kay is primarily a boy name. Ustin is primarily a boy name.