Billy vs Olivia

Baby Name Comparison — 2026

Billy

Boy #1,051 Most Popular 2 Syllables

Meaning

"resolute protector"

Origin: Old German via Norman French

Cultural Roots

English American Australian Irish

Quick Stats

Popularity Rank
#1,051
Total SSA Count
210
Syllables
2
Formality
Casual
Nicknames
Bill, Bills

Playground Safety Score

✓ All Clear
Full profile for Billy →

Popularity Comparison

Billy Rank #1,051
Olivia Rank #1

Olivia is more popular, ranked #1 vs #1051 for Billy.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Billy ___

  • Billy Ray
  • Billy Joe
  • Billy Dean
  • Billy James
  • Billy Lee
  • Billy Gene

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 Billy

Bobby Tommy Jimmy Johnny Betty

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 Billy or Olivia more popular?

Olivia is more popular, ranked #1 compared to Billy at #1051 in the United States.

What do Billy and Olivia mean?

Billy means "resolute protector" (Old German via Norman French origin). Olivia means "olive tree" (Latin origin).

Are Billy and Olivia boy or girl names?

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

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