Kelly vs Kaelyn

Baby Name Comparison — 2026

Kelly

Girl #867 Most Popular 2 Syllables

"frequenter of churches"

Origin: Irish Gaelic

Irish American Australian English

23 High Risk

{:type=>:rhyme, :severity=>:medium, :message=>"'Kelly' rhymes with 'smelly'"}

Girl #1,637 Most Popular 3 Syllables

"keeper of the keys; pure"

Origin: Celtic/Irish via Caitlin

American Irish-American

✓ All Clear

Kelly Rank #867

Kaelyn Rank #1,637

Kelly is more popular, ranked #867 vs #1637 for Kaelyn.

Is Kelly or Kaelyn more popular?

Kelly is more popular, ranked #867 compared to Kaelyn at #1637 in the United States.

What do Kelly and Kaelyn mean?

Kelly means "frequenter of churches" (Irish Gaelic origin). Kaelyn means "keeper of the keys; pure" (Celtic/Irish via Caitlin origin).

Are Kelly and Kaelyn boy or girl names?

Kelly is primarily a girl name. Kaelyn is primarily a girl name.