Olivia vs Killua

Baby Name Comparison — 2026

Olivia

Boy #5,747 Most Popular 4 Syllables

"olive tree"

Origin: Latin oliva

English Italian Spanish American

✓ All Clear

Boy #5,636 Most Popular 3 Syllables

"fictional invented name, no established meaning"

Origin: Japanese (fictional)

American Japanese

✓ All Clear

Olivia Rank #5,747

Killua Rank #5,636

Killua is more popular, ranked #5636 vs #5747 for Olivia.

Is Olivia or Killua more popular?

Killua is more popular, ranked #5636 compared to Olivia at #5747 in the United States.

What do Olivia and Killua mean?

Olivia means "olive tree" (Latin oliva origin). Killua means "fictional invented name, no established meaning" (Japanese (fictional) origin).

Are Olivia and Killua boy or girl names?

Olivia is primarily a boy name. Killua is primarily a boy name.