Alexei vs Kazimir

Baby Name Comparison — 2026

Alexei

Boy #2,778 Most Popular 3 Syllables

"defender, helper of mankind"

Origin: Greek 'alexein'

Russian Ukrainian Bulgarian Slavic Orthodox Christian

✓ All Clear

Boy #2,758 Most Popular 3 Syllables

"proclaimer of peace"

Origin: Slavic

Polish Czech Slovak Russian

✓ All Clear

Alexei Rank #2,778

Kazimir Rank #2,758

Kazimir is more popular, ranked #2758 vs #2778 for Alexei.

Is Alexei or Kazimir more popular?

Kazimir is more popular, ranked #2758 compared to Alexei at #2778 in the United States.

What do Alexei and Kazimir mean?

Alexei means "defender, helper of mankind" (Greek 'alexein' origin). Kazimir means "proclaimer of peace" (Slavic origin).

Are Alexei and Kazimir boy or girl names?

Alexei is primarily a boy name. Kazimir is primarily a boy name.