Cassiel vs Theodore

Baby Name Comparison — 2026

Cassiel

Boy #3,716 Most Popular 3 Syllables

Meaning

"my covering is God; God protects"

Origin: Hebrew

Cultural Roots

Jewish Christian English Angelic tradition

Quick Stats

Popularity Rank
#3,716
Total SSA Count
30
Syllables
3
Formality
Formal
Nicknames
Cass, Cas, Caz

Playground Safety Score

✓ All Clear
Full profile for Cassiel →

Popularity Comparison

Cassiel Rank #3,716
Theodore Rank #4

Theodore is more popular, ranked #4 vs #3716 for Cassiel.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Cassiel ___

  • Cassiel James
  • Cassiel Alexander
  • Cassiel John
  • Cassiel Michael
  • Cassiel Thomas
  • Cassiel Everett

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 Cassiel

Gabriel Raphael Uriel Celestia Seraphina

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 Cassiel or Theodore more popular?

Theodore is more popular, ranked #4 compared to Cassiel at #3716 in the United States.

What do Cassiel and Theodore mean?

Cassiel means "my covering is God; God protects" (Hebrew origin). Theodore means "divine gift" (Greek origin).

Are Cassiel and Theodore boy or girl names?

Cassiel is primarily a boy name. Theodore is primarily a boy name.

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