Gregory vs Callahan

Baby Name Comparison — 2026

Gregory

Boy #538 Most Popular 3 Syllables

"watchful, vigilant, alert"

Origin: Greek

English Greek Roman Catholic Eastern Orthodox

✓ All Clear

Boy #364 Most Popular 3 Syllables

"lover of churches"

Origin: Irish Gaelic

Irish American English

✓ All Clear

Gregory Rank #538

Callahan Rank #364

Callahan is more popular, ranked #364 vs #538 for Gregory.

Is Gregory or Callahan more popular?

Callahan is more popular, ranked #364 compared to Gregory at #538 in the United States.

What do Gregory and Callahan mean?

Gregory means "watchful, vigilant, alert" (Greek origin). Callahan means "lover of churches" (Irish Gaelic origin).

Are Gregory and Callahan boy or girl names?

Gregory is primarily a boy name. Callahan is primarily a boy name.