Dillion vs Olivia

Baby Name Comparison — 2026

Dillion

Boy #5,680 Most Popular 3 Syllables

"faithful, loyal"

Origin: Old Irish Dallán

Irish Welsh American English

✓ All Clear

Boy #5,747 Most Popular 4 Syllables

"olive tree"

Origin: Latin oliva

English Italian Spanish American

✓ All Clear

Dillion Rank #5,680

Olivia Rank #5,747

Dillion is more popular, ranked #5680 vs #5747 for Olivia.

Is Dillion or Olivia more popular?

Dillion is more popular, ranked #5680 compared to Olivia at #5747 in the United States.

What do Dillion and Olivia mean?

Dillion means "faithful, loyal" (Old Irish Dallán origin). Olivia means "olive tree" (Latin oliva origin).

Are Dillion and Olivia boy or girl names?

Dillion is primarily a boy name. Olivia is primarily a boy name.