Aleksei
Meaning
"defender of mankind"
Origin: Greek
Cultural Roots
Quick Stats
- Popularity Rank
- #5,658
- Total SSA Count
- 17
- Syllables
- 3
- Formality
- Formal
- Nicknames
- Alek, Aleks, Lyosha
Baby Name Comparison — 2026
"defender of mankind"
Origin: Greek
"olive tree"
Origin: Latin
Oliver is more popular, ranked #3 vs #5658 for Aleksei.
Historical US popularity rank — lower number means more popular.
Historical trend data not available for this comparison.
Names that pair well as siblings.
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Oliver is more popular, ranked #3 compared to Aleksei at #5658 in the United States.
Aleksei means "defender of mankind" (Greek origin). Oliver means "olive tree" (Latin origin).
Aleksei is primarily a boy name. Oliver is primarily a boy name.