Olivia vs Killiam

Baby Name Comparison — 2026

Olivia

Boy #5,747 Most Popular 4 Syllables

"olive tree"

Origin: Latin oliva

English Italian Spanish American

✓ All Clear

Boy #5,792 Most Popular 3 Syllables

"little churchman, associated with the church"

Origin: Old Irish ceall + diminutive

Irish American

✓ All Clear

Olivia Rank #5,747

Killiam Rank #5,792

Olivia is more popular, ranked #5747 vs #5792 for Killiam.

Is Olivia or Killiam more popular?

Olivia is more popular, ranked #5747 compared to Killiam at #5792 in the United States.

What do Olivia and Killiam mean?

Olivia means "olive tree" (Latin oliva origin). Killiam means "little churchman, associated with the church" (Old Irish ceall + diminutive origin).

Are Olivia and Killiam boy or girl names?

Olivia is primarily a boy name. Killiam is primarily a boy name.