Olivia vs Phi

Baby Name Comparison — 2026

Popularity Comparison

Olivia Rank #1
Phi Rank #8,863

Olivia is more popular, ranked #1 vs #8863 for Phi.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Olivia ___

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

Phi ___

No pairings available yet.

Sibling Name Ideas

Names that pair well as siblings.

If you choose Olivia

Liam Noah Charlotte Emma Sophia

If you choose Phi

No sibling data available yet.

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 Olivia or Phi more popular?

Olivia is more popular, ranked #1 compared to Phi at #8863 in the United States.

What do Olivia and Phi mean?

Olivia means "olive tree" (Latin origin).

Are Olivia and Phi boy or girl names?

Olivia is primarily a girl name. Phi is primarily a boy name.

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