Aleksei
/AA-L-EH-K-S-EH-IH/
Defender — the Russian form of Alexis, from Greek Alexios. Borne by Tsar Alexei Mikhailovich, the second Romanov ruler and father of Peter the Great, whose reign produced a great law-code that served as the foundation of the Russian state for two centuries. A princely Christian name of protection across the Eastern Slavic world.
Get Aleksei's full report — patron saint, feast day & a portrait — freeQuick — what every Christian parent asks about Aleksei:
How well does Aleksei fit your family?
This page tells you what Aleksei means. The app tells you whether it's right for your baby — scored against your family & your heritage, and your baby's birth details.
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Six signals — scored for your family & heritage, not in the abstract:
Meaning & origin
Yes — Aleksei is a Christian boy name of Russian origin, meaning “Defender — the Russian form of Alexis, from Greek Alexios. Borne by Tsar Alexei Mikhailovich, the second Romanov ruler and father of Peter the Great, whose reign produced a great law-code that served as the foundation of the Russian state for two centuries. A princely Christian name of protection across the Eastern Slavic world.”.
Aleksei is a boy's name of Russian origin, traditionally used in Christian families. The name means "Defender — the Russian form of Alexis, from Greek Alexios. Borne by Tsar Alexei Mikhailovich, the second Romanov ruler and father of Peter the Great, whose reign produced a great law-code that served as the foundation of the Russian state for two centuries. A princely Christian name of protection across the Eastern Slavic world." and belongs to the Courage cluster — names for children who will grow into bold, fearless hearts.
Common among Russian, Ukrainian families, Aleksei carries cultural weight that goes beyond its dictionary definition — it's a name with a story and a community.
The patron saint & feast day behind Aleksei
Many Christian names carry a patron saint and a feast day (name day) — a tradition of choosing a name for the saint a child is born near, or one the family holds dear. Aleksei lives in this tradition of meaning and heritage.
NameRoot connects the dots. See Aleksei's patron saint, its feast day, and whether it aligns with your baby's birth — alongside its full family score.
See Aleksei's saint & feast day →What does Aleksei's numerology say?
Numerology assigns each name a single-digit destiny number by summing its letter values. Different schools use different mappings — NameRoot computes both so you can see how Aleksei resonates in either tradition.
Aleksei's destiny number is 8 — but a number only matters in context. The app matches it to your family's own numbers for a real compatibility read. See Aleksei's full reading →
Does Aleksei go with your family's names?
Aleksei breaks into 7 sounds: /AA-L-EH-K-S-EH-IH/. The real test isn't how it sounds alone — it's how it sounds beside the names already in your family: yours, your partner's, and any brothers or sisters. NameRoot scores that harmony, so Aleksei sits naturally next to a Mum and Dad like Michael & Anna, or a big sister named Gianna — no awkward clashes, no two names that blur together. Hear Aleksei beside your family's names →
Nicknames
Common affectionate forms of Aleksei — useful for everyday family conversation, early childhood, or as standalone given names themselves.
Names similar to Aleksei
If Aleksei resonates with you, these names live in the same world — drawn from the same tradition, sharing the same meaning, or echoing a similar sound.
From the same tradition
Other Christian boy names, common in Russian families
Sharing the same meaning
Other Christian boy names from the Courage cluster
Names that sound similar
Christian boy names that open with the same syllables as Aleksei
Explore more names
Keep exploring names like Aleksei — by tradition, by meaning, or by first letter.
Common questions about Aleksei
What does the name Aleksei mean?
Aleksei means "Defender — the Russian form of Alexis, from Greek Alexios. Borne by Tsar Alexei Mikhailovich, the second Romanov ruler and father of Peter the Great, whose reign produced a great law-code that served as the foundation of the Russian state for two centuries. A princely Christian name of protection across the Eastern Slavic world.." It is a boy name of Russian origin, traditionally used in Christian families.
Is Aleksei a boy or girl name?
Aleksei is most commonly used as a boy name.
What is the origin of the name Aleksei?
Aleksei is of Russian origin, used in Christian tradition, commonly among Russian, Ukrainian families.
Is Aleksei a Christian name?
Yes. Aleksei is a boy name traditionally used in Christian families, of Russian origin.
What does Aleksei mean in Russian?
Aleksei originates from Russian, where it means "Defender — the Russian form of Alexis, from Greek Alexios. Borne by Tsar Alexei Mikhailovich, the second Romanov ruler and father of Peter the Great, whose reign produced a great law-code that served as the foundation of the Russian state for two centuries. A princely Christian name of protection across the Eastern Slavic world.."
What are common nicknames for Aleksei?
Common short forms of Aleksei include Alyosha.
What is the numerology of Aleksei?
Aleksei has a Pythagorean destiny number of 8 — material mastery and executive power.
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