Sion vs Theodore

Baby Name Comparison — 2026

Sion

Boy #3,680 Most Popular 1 Syllable

Meaning

"God is gracious"

Origin: Hebrew via Latin

Cultural Roots

Welsh British

Quick Stats

Popularity Rank
#3,680
Total SSA Count
31
Syllables
1
Formality
Formal

Playground Safety Score

✓ All Clear
Full profile for Sion →

Popularity Comparison

Sion Rank #3,680
Theodore Rank #4

Theodore is more popular, ranked #4 vs #3680 for Sion.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Sion ___

  • Sion Rhys
  • Sion Emrys
  • Sion Wyn
  • Sion Morgan
  • Sion Gareth
  • Sion Huw

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 Sion

Rhys Emrys Gwenllian Seren Aled

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 Sion or Theodore more popular?

Theodore is more popular, ranked #4 compared to Sion at #3680 in the United States.

What do Sion and Theodore mean?

Sion means "God is gracious" (Hebrew via Latin origin). Theodore means "divine gift" (Greek origin).

Are Sion and Theodore boy or girl names?

Sion is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

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