Lucius vs Theodore

Baby Name Comparison — 2026

Lucius

Boy #1,390 Most Popular 3 Syllables

Meaning

"light, illumination"

Origin: Latin

Cultural Roots

Roman English Italian Spanish

Quick Stats

Popularity Rank
#1,390
Total SSA Count
135
Syllables
3
Formality
Formal
Nicknames
Lu, Luke

Playground Safety Score

✓ All Clear
Full profile for Lucius →

Popularity Comparison

Lucius Rank #1,390
Theodore Rank #4

Theodore is more popular, ranked #4 vs #1390 for Lucius.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Lucius ___

  • Lucius James
  • Lucius Edward
  • Lucius Theodore
  • Lucius Augustus
  • Lucius Bartholomew
  • Lucius Henry

Theodore ___

  • Theodore James
  • Theodore William
  • Theodore Alexander
  • Theodore John
  • Theodore Henry
  • Theodore Arthur

Sibling Name Ideas

Names that pair well as siblings.

If you choose Lucius

Atticus Julius Octavia Cecilia Cassius

If you choose Theodore

Olivia Charlotte Amelia Eleanor Oliver

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 Lucius or Theodore more popular?

Theodore is more popular, ranked #4 compared to Lucius at #1390 in the United States.

What do Lucius and Theodore mean?

Lucius means "light, illumination" (Latin origin). Theodore means "divine gift" (Greek origin).

Are Lucius and Theodore boy or girl names?

Lucius is primarily a boy name. Theodore is primarily a boy name.

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← Full profile: Lucius ← Full profile: Theodore Browse all baby names