Foster vs Olivia

Baby Name Comparison — 2026

Popularity Comparison

Foster Rank #1,077
Olivia Rank #1

Olivia is more popular, ranked #1 vs #1077 for Foster.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Foster ___

  • Foster James
  • Foster Lee
  • Foster Grey
  • Foster Cole
  • Foster Reed
  • Foster Blue

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 Foster

Hunter Fletcher Archer Sawyer Harper

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 Foster or Olivia more popular?

Olivia is more popular, ranked #1 compared to Foster at #1077 in the United States.

What do Foster and Olivia mean?

Foster means "forest keeper, forester" (Old English origin). Olivia means "olive tree" (Latin origin).

Are Foster and Olivia boy or girl names?

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

More Comparisons

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