Olivia vs Sebastian

Baby Name Comparison — 2026

Popularity Comparison

Olivia Rank #1
Sebastian Rank #14

Olivia is more popular, ranked #1 vs #14 for Sebastian.

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

Sebastian ___

  • Sebastian James
  • Sebastian Alexander
  • Sebastian Cole
  • Sebastian Grey
  • Sebastian Patrick
  • Sebastian Ray

Sibling Name Ideas

Names that pair well as siblings.

If you choose Olivia

Liam Noah Charlotte Emma Sophia

If you choose Sebastian

Olivia Valentina Maximilian Eleanor Isadora

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 Sebastian more popular?

Olivia is more popular, ranked #1 compared to Sebastian at #14 in the United States.

What do Olivia and Sebastian mean?

Olivia means "olive tree" (Latin origin). Sebastian means "from Sebastia" (Latin origin).

Are Olivia and Sebastian boy or girl names?

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

More Comparisons

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