Billie vs Kate

Baby Name Comparison — 2026

Billie

Girl #694 Most Popular 2 Syllables

Meaning

"resolute protection, strong-willed guardian"

Origin: Old Germanic via English

Cultural Roots

English American Australian

Quick Stats

Popularity Rank
#694
Total SSA Count
405
Syllables
2
Formality
Casual
Nicknames
Bill, Bee

Playground Safety Score

✓ All Clear
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Kate

Girl #535 Most Popular 1 Syllable

Meaning

"pure, clear"

Origin: Greek

Cultural Roots

English American Irish British Australian

Quick Stats

Popularity Rank
#535
Total SSA Count
569
Syllables
1
Formality
Moderate
Nicknames
Katie, Kay

Playground Safety Score

✓ All Clear
Full profile for Kate →

Popularity Comparison

Billie Rank #694
Kate Rank #535

Kate is more popular, ranked #535 vs #694 for Billie.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Billie ___

  • Billie Jean
  • Billie Jo
  • Billie Mae
  • Billie Ray
  • Billie Grace
  • Billie Rose

Kate ___

  • Kate Elizabeth
  • Kate Louise
  • Kate Amelia
  • Kate Rose
  • Kate Alexandra
  • Kate Anne

Sibling Name Ideas

Names that pair well as siblings.

If you choose Billie

Bobbie Frankie Charlie Stevie Georgie

If you choose Kate

William Henry Emma Charlotte George

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 Billie or Kate more popular?

Kate is more popular, ranked #535 compared to Billie at #694 in the United States.

What do Billie and Kate mean?

Billie means "resolute protection, strong-willed guardian" (Old Germanic via English origin). Kate means "pure, clear" (Greek origin).

Are Billie and Kate boy or girl names?

Billie is primarily a girl name. Kate is primarily a girl name.

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← Full profile: Billie ← Full profile: Kate Browse all baby names