Aleister vs Theodore

Baby Name Comparison — 2026

Aleister

Boy #3,343 Most Popular 3 Syllables

Meaning

"defender of men"

Origin: Greek Alexandros

Cultural Roots

Scottish English Irish

Quick Stats

Popularity Rank
#3,343
Total SSA Count
35
Syllables
3
Formality
Formal
Nicknames
Al, Aly, Lex

Playground Safety Score

✓ All Clear
Full profile for Aleister →

Popularity Comparison

Aleister Rank #3,343
Theodore Rank #4

Theodore is more popular, ranked #4 vs #3343 for Aleister.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Aleister ___

  • Aleister James
  • Aleister Hugh
  • Aleister Duncan
  • Aleister Cole
  • Aleister Reid
  • Aleister Grey

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 Aleister

Dorian Sebastian Callum Isolde Imogen

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 Aleister or Theodore more popular?

Theodore is more popular, ranked #4 compared to Aleister at #3343 in the United States.

What do Aleister and Theodore mean?

Aleister means "defender of men" (Greek Alexandros origin). Theodore means "divine gift" (Greek origin).

Are Aleister and Theodore boy or girl names?

Aleister is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

Theodore vs Aleister Aleister vs Ewen Aleister vs Jj Aleister vs Kruze Aleister vs Arik
← Full profile: Aleister ← Full profile: Theodore Browse all baby names