Killian vs Oscar

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 #217 Most Popular 2 Syllables

"God's spear"

Origin: Old English

English Irish Scandinavian Spanish

✓ All Clear

Killian Rank #370

Oscar Rank #217

Oscar is more popular, ranked #217 vs #370 for Killian.

Is Killian or Oscar more popular?

Oscar is more popular, ranked #217 compared to Killian at #370 in the United States.

What do Killian and Oscar mean?

Killian means "associated with the church" (Irish Gaelic origin). Oscar means "God's spear" (Old English origin).

Are Killian and Oscar boy or girl names?

Killian is primarily a boy name. Oscar is primarily a boy name.