Glenn vs Theodore

Baby Name Comparison — 2026

Glenn

Boy #1,366 Most Popular 1 Syllable

Meaning

"valley, narrow glen"

Origin: Scottish Gaelic

Cultural Roots

Scottish Irish American Australian

Quick Stats

Popularity Rank
#1,366
Total SSA Count
138
Syllables
1
Formality
Moderate
Nicknames
Gle, Gly, Glie

Playground Safety Score

✓ All Clear
Full profile for Glenn →

Popularity Comparison

Glenn Rank #1,366
Theodore Rank #4

Theodore is more popular, ranked #4 vs #1366 for Glenn.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Glenn ___

  • Glenn Michael
  • Glenn Robert
  • Glenn Thomas
  • Glenn Alan
  • Glenn David
  • Glenn 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 Glenn

Craig Scott Donna Linda Bruce

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 Glenn or Theodore more popular?

Theodore is more popular, ranked #4 compared to Glenn at #1366 in the United States.

What do Glenn and Theodore mean?

Glenn means "valley, narrow glen" (Scottish Gaelic origin). Theodore means "divine gift" (Greek origin).

Are Glenn and Theodore boy or girl names?

Glenn is primarily a boy name. Theodore is primarily a boy name.

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