Olivia vs Thaddaeus

Baby Name Comparison — 2026

Olivia

Boy #5,747 Most Popular 4 Syllables

"olive tree"

Origin: Latin oliva

English Italian Spanish American

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Boy #5,721 Most Popular 3 Syllables

"heart, courageous heart"

Origin: Aramaic

Christian English Greek Latin

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Olivia Rank #5,747

Thaddaeus Rank #5,721

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

Is Olivia or Thaddaeus more popular?

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

What do Olivia and Thaddaeus mean?

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

Are Olivia and Thaddaeus boy or girl names?

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