Lucas vs Theo

Baby Name Comparison — 2026

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 →

Theo

Boy #80 Most Popular 2 Syllables

Meaning

"gift of God"

Origin: Greek (theodoros)

Cultural Roots

English Greek French German American

Quick Stats

Popularity Rank
#80
Total SSA Count
4,110
Syllables
2
Formality
Moderate

Playground Safety Score

✓ All Clear
Full profile for Theo →

Popularity Comparison

Lucas Rank #9
Theo Rank #80

Lucas is more popular, ranked #9 vs #80 for Theo.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Lucas ___

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

Theo ___

  • Theo James
  • Theo William
  • Theo Alexander
  • Theo Samuel
  • Theo Felix
  • Theo August

Sibling Name Ideas

Names that pair well as siblings.

If you choose Lucas

Olivia Emma Sophia Liam Noah

If you choose Theo

Oliver Felix Eleanor Beatrice Arthur

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 Lucas or Theo more popular?

Lucas is more popular, ranked #9 compared to Theo at #80 in the United States.

What do Lucas and Theo mean?

Lucas means "from Lucania" (Latin origin). Theo means "gift of God" (Greek (theodoros) origin).

Are Lucas and Theo boy or girl names?

Lucas is primarily a boy name. Theo is primarily a boy name.

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