Billy vs Mia

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 →

Mia

Girl #5 Most Popular 2 Syllables

Meaning

"mine, beloved"

Origin: Scandinavian

Cultural Roots

Italian Scandinavian Spanish

Quick Stats

Popularity Rank
#5
Total SSA Count
12,113
Syllables
2
Formality
Casual

Playground Safety Score

✓ All Clear
Full profile for Mia →

Popularity Comparison

Billy Rank #1,051
Mia Rank #5

Mia is more popular, ranked #5 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

Mia ___

  • Mia Rose
  • Mia Grace
  • Mia Jane
  • Mia Claire
  • Mia Elizabeth
  • Mia Louise

Sibling Name Ideas

Names that pair well as siblings.

If you choose Billy

Bobby Tommy Jimmy Johnny Betty

If you choose Mia

Liam Noah Sophia Olivia Ava

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 Mia more popular?

Mia is more popular, ranked #5 compared to Billy at #1051 in the United States.

What do Billy and Mia mean?

Billy means "resolute protector" (Old German via Norman French origin). Mia means "mine, beloved" (Scandinavian origin).

Are Billy and Mia boy or girl names?

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

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