Thaddeus vs Kacey

Baby Name Comparison — 2026

Thaddeus

Boy #850 Most Popular 3 Syllables

"courageous heart"

Origin: Aramaic

English Polish American Catholic

✓ All Clear

Boy #1,045 Most Popular 2 Syllables

"brave in battle, vigilant"

Origin: Irish Gaelic

Irish American

✓ All Clear

Thaddeus Rank #850

Kacey Rank #1,045

Thaddeus is more popular, ranked #850 vs #1045 for Kacey.

Is Thaddeus or Kacey more popular?

Thaddeus is more popular, ranked #850 compared to Kacey at #1045 in the United States.

What do Thaddeus and Kacey mean?

Thaddeus means "courageous heart" (Aramaic origin). Kacey means "brave in battle, vigilant" (Irish Gaelic origin).

Are Thaddeus and Kacey boy or girl names?

Thaddeus is primarily a boy name. Kacey is primarily a boy name.