Gilliam vs Olivia

Baby Name Comparison — 2026

Popularity Comparison

Gilliam Rank #38,104
Olivia Rank #1

Olivia is more popular, ranked #1 vs #38104 for Gilliam.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Gilliam ___

No pairings available yet.

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 Gilliam

No sibling data available yet.

If you choose Olivia

Liam Noah Charlotte Emma Sophia

Which Name Fits Your Family?

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1. Which style feels more like your family?

Frequently Asked Questions

Is Gilliam or Olivia more popular?

Olivia is more popular, ranked #1 compared to Gilliam at #38104 in the United States.

What do Gilliam and Olivia mean?

Olivia means "olive tree" (Latin origin).

Are Gilliam and Olivia boy or girl names?

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

More Comparisons

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