Cylo vs Theodore

Baby Name Comparison — 2026

Cylo

Boy #25,150 Most Popular 2 Syllables

Meaning

"modern invented name, possibly sun"

Origin: Modern/Persian

Cultural Roots

American

Quick Stats

Popularity Rank
#25,150
Total SSA Count
6
Syllables
2
Formality
Casual
Nicknames
Cy

Playground Safety Score

All Clear

Popularity Comparison

Cylo Rank #25,150
Theodore Rank #4

Theodore is more popular, ranked #4 vs #25150 for Cylo.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Cylo ___

  • Cylo James
  • Cylo Lee
  • Cylo Ray
  • Cylo Thomas
  • Cylo Kai
  • Cylo Finn

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 Cylo

Milo Arlo Nova Lyra Zara

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 Cylo or Theodore more popular?

Theodore is more popular, ranked #4 compared to Cylo at #25150 in the United States.

What do Cylo and Theodore mean?

Cylo means "modern invented name, possibly sun" (Modern/Persian origin). Theodore means "divine gift" (Greek origin).

Are Cylo and Theodore boy or girl names?

Cylo is primarily a boy name. Theodore is primarily a boy name.

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