Declan vs Theodore

Baby Name Comparison — 2026

Declan

Boy #131 Most Popular 2 Syllables

"man of prayer"

Origin: Irish Gaelic

Irish English American

✓ All Clear

Boy #4 Most Popular 3 Syllables

"divine gift"

Origin: Greek

English French Greek

✓ All Clear

Declan Rank #131

Theodore Rank #4

Theodore is more popular, ranked #4 vs #131 for Declan.

Is Declan or Theodore more popular?

Theodore is more popular, ranked #4 compared to Declan at #131 in the United States.

What do Declan and Theodore mean?

Declan means "man of prayer" (Irish Gaelic origin). Theodore means "divine gift" (Greek origin).

Are Declan and Theodore boy or girl names?

Declan is primarily a boy name. Theodore is primarily a boy name.