Killian vs Rocco

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 #501 Most Popular 2 Syllables

"rest, repose"

Origin: Germanic

Italian Germanic American

✓ All Clear

Killian Rank #370

Rocco Rank #501

Killian is more popular, ranked #370 vs #501 for Rocco.

Is Killian or Rocco more popular?

Killian is more popular, ranked #370 compared to Rocco at #501 in the United States.

What do Killian and Rocco mean?

Killian means "associated with the church" (Irish Gaelic origin). Rocco means "rest, repose" (Germanic origin).

Are Killian and Rocco boy or girl names?

Killian is primarily a boy name. Rocco is primarily a boy name.