Sierra vs Theodore

Baby Name Comparison — 2026

Sierra

Girl #596 Most Popular 3 Syllables

Meaning

"mountain range with jagged peaks"

Origin: Spanish/Latin (serra = saw)

Cultural Roots

American Spanish Latin American

Quick Stats

Popularity Rank
#596
Total SSA Count
505
Syllables
3
Formality
Moderate
Nicknames
Sisi, Sierra

Playground Safety Score

✓ All Clear
Full profile for Sierra →

Popularity Comparison

Sierra Rank #596
Theodore Rank #4

Theodore is more popular, ranked #4 vs #596 for Sierra.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Sierra ___

  • Sierra Rose
  • Sierra Marie
  • Sierra Grace
  • Sierra Jade
  • Sierra Leigh
  • Sierra Mae

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 Sierra

Savannah Montana Phoenix River Aspen

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 Sierra or Theodore more popular?

Theodore is more popular, ranked #4 compared to Sierra at #596 in the United States.

What do Sierra and Theodore mean?

Sierra means "mountain range with jagged peaks" (Spanish/Latin (serra = saw) origin). Theodore means "divine gift" (Greek origin).

Are Sierra and Theodore boy or girl names?

Sierra is primarily a girl name. Theodore is primarily a boy name.

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