Killian vs Collin

Baby Name Comparison — 2026

Killian

Boy #370 Most Popular 3 Syllables

"associated with the church"

Origin: Irish Gaelic

Irish French American English

✓ All Clear

Boy #490 Most Popular 2 Syllables

"young creature, cub"

Origin: Scottish Gaelic

English Irish Scottish American

✓ All Clear

Killian Rank #370

Collin Rank #490

Killian is more popular, ranked #370 vs #490 for Collin.

Is Killian or Collin more popular?

Killian is more popular, ranked #370 compared to Collin at #490 in the United States.

What do Killian and Collin mean?

Killian means "associated with the church" (Irish Gaelic origin). Collin means "young creature, cub" (Scottish Gaelic origin).

Are Killian and Collin boy or girl names?

Killian is primarily a boy name. Collin is primarily a boy name.