Olivia vs Sion

Baby Name Comparison — 2026

Popularity Comparison

Olivia Rank #1
Sion Rank #3,680

Olivia is more popular, ranked #1 vs #3680 for Sion.

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

Sion ___

  • Sion Rhys
  • Sion Emrys
  • Sion Wyn
  • Sion Morgan
  • Sion Gareth
  • Sion Huw

Sibling Name Ideas

Names that pair well as siblings.

If you choose Olivia

Liam Noah Charlotte Emma Sophia

If you choose Sion

Rhys Emrys Gwenllian Seren Aled

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 Sion more popular?

Olivia is more popular, ranked #1 compared to Sion at #3680 in the United States.

What do Olivia and Sion mean?

Olivia means "olive tree" (Latin origin). Sion means "God is gracious" (Hebrew via Latin origin).

Are Olivia and Sion boy or girl names?

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

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