Thaddaeus vs Olivia

Baby Name Comparison — 2026

Thaddaeus

Boy #5,721 Most Popular 3 Syllables

"heart, courageous heart"

Origin: Aramaic

Christian English Greek Latin

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Boy #5,747 Most Popular 4 Syllables

"olive tree"

Origin: Latin oliva

English Italian Spanish American

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Thaddaeus Rank #5,721

Olivia Rank #5,747

Thaddaeus is more popular, ranked #5721 vs #5747 for Olivia.

Is Thaddaeus or Olivia more popular?

Thaddaeus is more popular, ranked #5721 compared to Olivia at #5747 in the United States.

What do Thaddaeus and Olivia mean?

Thaddaeus means "heart, courageous heart" (Aramaic origin). Olivia means "olive tree" (Latin oliva origin).

Are Thaddaeus and Olivia boy or girl names?

Thaddaeus is primarily a boy name. Olivia is primarily a boy name.