Cyril vs Theodore

Baby Name Comparison — 2026

Cyril

Boy #3,001 Most Popular 2 Syllables

Meaning

"lordly, masterful"

Origin: Greek

Cultural Roots

English Eastern European Greek Slavic Christian

Quick Stats

Popularity Rank
#3,001
Total SSA Count
41
Syllables
2
Formality
Formal
Nicknames
Cy

Playground Safety Score

✓ All Clear
Full profile for Cyril →

Popularity Comparison

Cyril Rank #3,001
Theodore Rank #4

Theodore is more popular, ranked #4 vs #3001 for Cyril.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Cyril ___

  • Cyril James
  • Cyril Thomas
  • Cyril Augustus
  • Cyril Edward
  • Cyril Louis
  • Cyril Patrick

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 Cyril

Basil Crispin Edmund Winifred Cordelia

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 Cyril or Theodore more popular?

Theodore is more popular, ranked #4 compared to Cyril at #3001 in the United States.

What do Cyril and Theodore mean?

Cyril means "lordly, masterful" (Greek origin). Theodore means "divine gift" (Greek origin).

Are Cyril and Theodore boy or girl names?

Cyril is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

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