Ustin vs Kay

Baby Name Comparison — 2026

Ustin

Boy #6,598 Most Popular 2 Syllables

"just, righteous"

Origin: Latin

English Russian Ukrainian

✓ All Clear

Boy #6,417 Most Popular 1 Syllable

"rejoice; pure"

Origin: Latin

English American Welsh

✓ All Clear

Ustin Rank #6,598

Kay Rank #6,417

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

Is Ustin or Kay more popular?

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

What do Ustin and Kay mean?

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

Are Ustin and Kay boy or girl names?

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