Alex vs Callahan

Baby Name Comparison — 2026

Alex

Boy #205 Most Popular 2 Syllables

"defender of men"

Origin: Greek

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Boy #364 Most Popular 3 Syllables

"lover of churches"

Origin: Irish Gaelic

Irish American English

✓ All Clear

Alex Rank #205

Callahan Rank #364

Alex is more popular, ranked #205 vs #364 for Callahan.

Is Alex or Callahan more popular?

Alex is more popular, ranked #205 compared to Callahan at #364 in the United States.

What do Alex and Callahan mean?

Alex means "defender of men" (Greek origin). Callahan means "lover of churches" (Irish Gaelic origin).

Are Alex and Callahan boy or girl names?

Alex is primarily a boy name. Callahan is primarily a boy name.