Leo vs Lucas

Baby Name Comparison — 2026

Leo

Boy #24 Most Popular 2 Syllables

Meaning

"lion-hearted, brave"

Origin: Latin

Cultural Roots

English Italian German French American Spanish

Quick Stats

Popularity Rank
#24
Total SSA Count
7,793
Syllables
2
Formality
Casual

Playground Safety Score

✓ All Clear
Full profile for Leo →

Lucas

Boy #9 Most Popular 2 Syllables

Meaning

"from Lucania"

Origin: Latin

Cultural Roots

English Spanish Portuguese

Quick Stats

Popularity Rank
#9
Total SSA Count
10,703
Syllables
2
Formality
Moderate
Nicknames
Luke, Luc

Playground Safety Score

✓ All Clear
Full profile for Lucas →

Popularity Comparison

Leo Rank #24
Lucas Rank #9

Lucas is more popular, ranked #9 vs #24 for Leo.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Leo ___

  • Leo James
  • Leo Thomas
  • Leo Alexander
  • Leo Cole
  • Leo Grey
  • Leo Xavier

Lucas ___

  • Lucas James
  • Lucas Alexander
  • Lucas Thomas
  • Lucas William
  • Lucas Henry
  • Lucas Oliver

Sibling Name Ideas

Names that pair well as siblings.

If you choose Leo

Luna Isla Mia Oscar Violet

If you choose Lucas

Olivia Emma Sophia Liam Noah

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 Leo or Lucas more popular?

Lucas is more popular, ranked #9 compared to Leo at #24 in the United States.

What do Leo and Lucas mean?

Leo means "lion-hearted, brave" (Latin origin). Lucas means "from Lucania" (Latin origin).

Are Leo and Lucas boy or girl names?

Leo is primarily a boy name. Lucas is primarily a boy name.

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← Full profile: Leo ← Full profile: Lucas Browse all baby names