Aleksei vs Demetrios

Baby Name Comparison — 2026

Aleksei

Boy #5,658 Most Popular 3 Syllables

Meaning

"defender of mankind"

Origin: Greek

Cultural Roots

Russian Ukrainian Eastern European Greek

Quick Stats

Popularity Rank
#5,658
Total SSA Count
17
Syllables
3
Formality
Formal
Nicknames
Alek, Aleks, Lyosha

Playground Safety Score

✓ All Clear
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Demetrios

Boy #5,853 Most Popular 4 Syllables

Meaning

"devoted to Demeter"

Origin: Greek

Cultural Roots

Greek Eastern Orthodox Cypriot Greek American Byzantine

Quick Stats

Popularity Rank
#5,853
Total SSA Count
16
Syllables
4
Formality
Formal
Nicknames
Dimitri, Demi, Trios

Playground Safety Score

✓ All Clear
Full profile for Demetrios →

Popularity Comparison

Aleksei Rank #5,658
Demetrios Rank #5,853

Aleksei is more popular, ranked #5658 vs #5853 for Demetrios.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Aleksei ___

  • Aleksei Ivan
  • Aleksei Dmitri
  • Aleksei Mikhail
  • Aleksei Nikolai
  • Aleksei Sergei
  • Aleksei Vladimir

Demetrios ___

  • Demetrios Alexander
  • Demetrios Christos
  • Demetrios Nikolaos
  • Demetrios Andreas
  • Demetrios Leonidas
  • Demetrios Konstantinos

Sibling Name Ideas

Names that pair well as siblings.

If you choose Aleksei

Natasha Katya Dmitri Ivan Sasha

If you choose Demetrios

Alexandros Nikolaos Konstantinos Eleni Zoe

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 Aleksei or Demetrios more popular?

Aleksei is more popular, ranked #5658 compared to Demetrios at #5853 in the United States.

What do Aleksei and Demetrios mean?

Aleksei means "defender of mankind" (Greek origin). Demetrios means "devoted to Demeter" (Greek origin).

Are Aleksei and Demetrios boy or girl names?

Aleksei is primarily a boy name. Demetrios is primarily a boy name.

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← Full profile: Aleksei ← Full profile: Demetrios Browse all baby names