Niamh
/N-IY-V/
Radiance, brightness, the otherworldly beauty of the fairy realm — Niamh of the Golden Hair rode across the sea on a white horse to carry the warrior Oisin to the Land of Eternal Youth. Her name shimmers with Celtic otherworldliness, the eerie beauty of Irish mythology's immortal women, and the bittersweet knowledge that paradise, once left, can never quite be found again
See Niamh scored for your familyQuick — what every Christian parent asks about Niamh:
Yes — Niamh is a Christian girl name of Irish origin, meaning “Radiance, brightness, the otherworldly beauty of the fairy realm — Niamh of the Golden Hair rode across the sea on a white horse to carry the warrior Oisin to the Land of Eternal Youth. Her name shimmers with Celtic otherworldliness, the eerie beauty of Irish mythology's immortal women, and the bittersweet knowledge that paradise, once left, can never quite be found again”.
How well does Niamh fit your family?
This page tells you what Niamh means. The app tells you whether it's right for your baby — scored against your family & your heritage, and your baby's birth details.
Unlock Niamh's score — free
Six signals — scored for your family & heritage, not in the abstract:
Meaning & origin
Niamh is a girl's name of Irish origin, traditionally used in Christian families. The name means "Radiance, brightness, the otherworldly beauty of the fairy realm — Niamh of the Golden Hair rode across the sea on a white horse to carry the warrior Oisin to the Land of Eternal Youth. Her name shimmers with Celtic otherworldliness, the eerie beauty of Irish mythology's immortal women, and the bittersweet knowledge that paradise, once left, can never quite be found again" and belongs to the Light cluster — names meaning radiance, illumination, and hope.
Common among British, European, Irish families, Niamh 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 Niamh
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. Niamh lives in this tradition of meaning and heritage.
NameRoot connects the dots. See Niamh's patron saint, its feast day, and whether it aligns with your baby's birth — alongside its full family score.
See Niamh's saint & feast day →What does Niamh'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 Niamh resonates in either tradition.
Niamh's destiny number is 9 — but a number only matters in context. The app matches it to your family's own numbers for a real compatibility read. See Niamh's full reading →
Does Niamh go with your family's names?
Niamh breaks into 3 sounds: /N-IY-V/. 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 Niamh 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 Niamh beside your family's names →
Names similar to Niamh
If Niamh 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 girl names, common in British families
Sharing the same meaning
Other Christian girl names from the Light cluster
Names that sound similar
Christian girl names that open with the same syllables as Niamh
Explore more names
Keep exploring names like Niamh — by tradition, by meaning, or by first letter.
Common questions about Niamh
What does the name Niamh mean?
Niamh means "Radiance, brightness, the otherworldly beauty of the fairy realm — Niamh of the Golden Hair rode across the sea on a white horse to carry the warrior Oisin to the Land of Eternal Youth. Her name shimmers with Celtic otherworldliness, the eerie beauty of Irish mythology's immortal women, and the bittersweet knowledge that paradise, once left, can never quite be found again." It is a girl name of Irish origin, traditionally used in Christian families.
Is Niamh a boy or girl name?
Niamh is most commonly used as a girl name.
What is the origin of the name Niamh?
Niamh is of Irish origin, used in Christian tradition, commonly among British, European, Irish families.
Is Niamh a Christian name?
Yes. Niamh is a girl name traditionally used in Christian families, of Irish origin.
What does Niamh mean in Irish?
Niamh originates from Irish, where it means "Radiance, brightness, the otherworldly beauty of the fairy realm — Niamh of the Golden Hair rode across the sea on a white horse to carry the warrior Oisin to the Land of Eternal Youth. Her name shimmers with Celtic otherworldliness, the eerie beauty of Irish mythology's immortal women, and the bittersweet knowledge that paradise, once left, can never quite be found again."
What is the numerology of Niamh?
Niamh has a Pythagorean destiny number of 9 — compassion and humanitarian service.
See how Niamh scores for your family
NameRoot is the only baby-name app that scores every name across 6 signals against your specific family context. Download free — Niamh is waiting.
Get NameRoot — free