Kieran vs Jay

Baby Name Comparison — 2026

Kieran

Boy #441 Most Popular 2 Syllables

"little dark one"

Origin: Irish Gaelic (ciar + -án)

Irish Scottish English

✓ All Clear

Boy #397 Most Popular 1 Syllable

"to rejoice, joyful"

Origin: Latin (Gaius)

American English South Asian Universal

✓ All Clear

Kieran Rank #441

Jay Rank #397

Jay is more popular, ranked #397 vs #441 for Kieran.

Is Kieran or Jay more popular?

Jay is more popular, ranked #397 compared to Kieran at #441 in the United States.

What do Kieran and Jay mean?

Kieran means "little dark one" (Irish Gaelic (ciar + -án) origin). Jay means "to rejoice, joyful" (Latin (Gaius) origin).

Are Kieran and Jay boy or girl names?

Kieran is primarily a boy name. Jay is primarily a boy name.