Thaddaeus vs Dillion

Baby Name Comparison — 2026

Thaddaeus

Boy #5,721 Most Popular 3 Syllables

"heart, courageous heart"

Origin: Aramaic

Christian English Greek Latin

✓ All Clear

Boy #5,680 Most Popular 3 Syllables

"faithful, loyal"

Origin: Old Irish Dallán

Irish Welsh American English

✓ All Clear

Thaddaeus Rank #5,721

Dillion Rank #5,680

Dillion is more popular, ranked #5680 vs #5721 for Thaddaeus.

Is Thaddaeus or Dillion more popular?

Dillion is more popular, ranked #5680 compared to Thaddaeus at #5721 in the United States.

What do Thaddaeus and Dillion mean?

Thaddaeus means "heart, courageous heart" (Aramaic origin). Dillion means "faithful, loyal" (Old Irish Dallán origin).

Are Thaddaeus and Dillion boy or girl names?

Thaddaeus is primarily a boy name. Dillion is primarily a boy name.