Nereus
/N-IY-R-IY-AH-S/
A Greek name from Nēreus, the ancient sea deity of Greek mythology, whose name is rooted in a Proto-Indo-European word for water or liquid, related to a sense of flowing or wetness. Paul greets Nereus and his sister in Romans (16:15); the name's mythological depth is thus worn lightly by a member of the earliest Roman church.
Get Nereus's full report — patron saint, feast day & a portrait — freeQuick — what every Christian parent asks about Nereus:
How well does Nereus fit your family?
This page tells you what Nereus 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 — Nereus is a Christian boy name of Greek origin, meaning “A Greek name from Nēreus, the ancient sea deity of Greek mythology, whose name is rooted in a Proto-Indo-European word for water or liquid, related to a sense of flowing or wetness. Paul greets Nereus and his sister in Romans (16:15); the name's mythological depth is thus worn lightly by a member of the earliest Roman church.”.
Nereus is a boy's name of Greek origin, traditionally used in Christian families. The name means "A Greek name from Nēreus, the ancient sea deity of Greek mythology, whose name is rooted in a Proto-Indo-European word for water or liquid, related to a sense of flowing or wetness. Paul greets Nereus and his sister in Romans (16:15); the name's mythological depth is thus worn lightly by a member of the earliest Roman church." and belongs to the Nature cluster — names drawn from the natural world — earth, water, sky.
Common among European, Greek families, Nereus 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 Nereus
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. Nereus lives in this tradition of meaning and heritage.
NameRoot connects the dots. See Nereus's patron saint, its feast day, and whether it aligns with your baby's birth — alongside its full family score.
See Nereus's saint & feast day →What does Nereus'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 Nereus resonates in either tradition.
Nereus's destiny number is 1 — but a number only matters in context. The app matches it to your family's own numbers for a real compatibility read. See Nereus's full reading →
Does Nereus go with your family's names?
Nereus breaks into 6 sounds: /N-IY-R-IY-AH-S/. 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 Nereus 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 Nereus beside your family's names →
Nicknames
Common affectionate forms of Nereus — useful for everyday family conversation, early childhood, or as standalone given names themselves.
Names similar to Nereus
If Nereus 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 European families
Sharing the same meaning
Other Christian boy names from the Nature cluster
Names that sound similar
Christian boy names that open with the same syllables as Nereus
Explore more names
Keep exploring names like Nereus — by tradition, by meaning, or by first letter.
Common questions about Nereus
What does the name Nereus mean?
Nereus means "A Greek name from Nēreus, the ancient sea deity of Greek mythology, whose name is rooted in a Proto-Indo-European word for water or liquid, related to a sense of flowing or wetness. Paul greets Nereus and his sister in Romans (16:15); the name's mythological depth is thus worn lightly by a member of the earliest Roman church.." It is a boy name of Greek origin, traditionally used in Christian families.
Is Nereus a boy or girl name?
Nereus is most commonly used as a boy name.
What is the origin of the name Nereus?
Nereus is of Greek origin, used in Christian tradition, commonly among European, Greek families.
Is Nereus a Christian name?
Yes. Nereus is a boy name traditionally used in Christian families, of Greek origin.
What does Nereus mean in Greek?
Nereus originates from Greek, where it means "A Greek name from Nēreus, the ancient sea deity of Greek mythology, whose name is rooted in a Proto-Indo-European word for water or liquid, related to a sense of flowing or wetness. Paul greets Nereus and his sister in Romans (16:15); the name's mythological depth is thus worn lightly by a member of the earliest Roman church.."
What are common nicknames for Nereus?
Common short forms of Nereus include Nere, Neri.
What is the numerology of Nereus?
Nereus has a Pythagorean destiny number of 1 — leadership and pioneering spirit.
When is Nereus's feast day?
Nereus's feast day — its traditional Christian name day — is May 12.
See how Nereus scores for your family
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