Hilary vs Olivia

Baby Name Comparison — 2026

Popularity Comparison

Hilary Rank #4,118
Olivia Rank #1

Olivia is more popular, ranked #1 vs #4118 for Hilary.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Hilary ___

  • Hilary Anne
  • Hilary Jane
  • Hilary Clare
  • Hilary Rose
  • Hilary Grace
  • Hilary Marie

Olivia ___

  • Olivia Rose
  • Olivia Grace
  • Olivia Jane
  • Olivia Mae
  • Olivia Claire
  • Olivia Jade

Sibling Name Ideas

Names that pair well as siblings.

If you choose Hilary

Mallory Avery Ellery Bradley Courtney

If you choose Olivia

Liam Noah Charlotte Emma Sophia

Which Name Fits Your Family?

Answer 3 quick questions and we'll help you decide.

1. Which style feels more like your family?

Frequently Asked Questions

Is Hilary or Olivia more popular?

Olivia is more popular, ranked #1 compared to Hilary at #4118 in the United States.

What do Hilary and Olivia mean?

Hilary means "cheerful, merry, joyful" (Latin origin). Olivia means "olive tree" (Latin origin).

Are Hilary and Olivia boy or girl names?

Hilary is primarily a girl name. Olivia is primarily a girl name.

More Comparisons

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← Full profile: Hilary ← Full profile: Olivia Browse all baby names