Alexei vs Aloysius

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 #4,779 Most Popular 4 Syllables

"famous warrior"

Origin: Germanic via Latin

English Catholic Irish German

✓ All Clear

Alexei Rank #2,778

Aloysius Rank #4,779

Alexei is more popular, ranked #2778 vs #4779 for Aloysius.

Is Alexei or Aloysius more popular?

Alexei is more popular, ranked #2778 compared to Aloysius at #4779 in the United States.

What do Alexei and Aloysius mean?

Alexei means "defender, helper of mankind" (Greek 'alexein' origin). Aloysius means "famous warrior" (Germanic via Latin origin).

Are Alexei and Aloysius boy or girl names?

Alexei is primarily a boy name. Aloysius is primarily a boy name.