Reilly

/R-Y-EH-L-IY/

Unisex Christian English origin BritishAmerican

Courageous, valiant, from Irish Raghailligh (brave, sociable). An Irish surname brimming with spirit

See Reilly scored for your family

Quick — what every parent wants to know about Reilly:

🎨 What would baby Reilly look like? 🔢 What's its numerology? 🔊 Does it go with your names? 👶 Is Reilly right for your baby?

Yes — Reilly is a Christian unisex name of English origin, meaning “Courageous, valiant, from Irish Raghailligh (brave, sociable). An Irish surname brimming with spirit”.

The one thing this page can't tell you

How well does Reilly fit your family?

This page tells you what Reilly means. The app tells you whether it's right for your baby — scored against the names already in your family, your heritage, and your baby's exact birth star.

Unlock Reilly's score — free
NameRoot scoring a name across six signals — phonetics, numerology, birth star, culture, meaning and uniqueness

Six signals — scored for your family, not in the abstract:

🌟
Birth starAuspicious for your baby?
🔢
NumerologyDestiny 9, matched to you
🔊
PhoneticsGoes with your names?
💗
MeaningThe Courage cluster
🛕
HeritageChristian + family-tree fit
✨
UniquenessFamiliar vs rare

Meaning & origin

Reilly is a unisex's name of English origin, traditionally used in Christian families. The name means "Courageous, valiant, from Irish Raghailligh (brave, sociable). An Irish surname brimming with spirit" and belongs to the Courage cluster — names for children who will grow into bold, fearless hearts.

Common among British, American, European families, Reilly carries cultural weight that goes beyond its dictionary definition — it's a name with a story and a community.

What would a baby named Reilly look like?

NameRoot imagines a one-of-a-kind AI baby portrait for every name, shaped by its heritage — the features, the colouring, the feeling a name like Reilly carries. No two are alike.

An AI-generated baby portrait in the NameRoot app, shaped by the name's heritage

See Reilly's portrait — and its full score — the moment you open the app.

See Reilly's baby portrait →

What does Reilly'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 Reilly resonates in either tradition.

Pythagorean
9
compassion and humanitarian service
Chaldean
6
nurturing and family devotion

Reilly'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 Reilly's full reading →

Does Reilly go with your family's names?

Reilly breaks into 5 sounds: /R-Y-EH-L-IY/. 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 Reilly 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 Reilly beside your family's names →

Nicknames

Common affectionate forms of Reilly — useful for everyday family conversation, early childhood, or as standalone given names themselves.

ReiliReil

Names similar to Reilly

If Reilly 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 unisex names, common in British families

Riley
Courageous, valiant — from the Irish Ó Raghallaigh, meaning brave. A surname turned given name, now embraced for both boys and girls.
Nico
Victory of the people, compressed into a name as quick and bright as a struck match — Nico is the pan-European short form of Nicholas and Nicole, carrying the Greek concept of popular triumph in two vivid syllables. It sounds at home in Rome, Amsterdam, and Buenos Aires, a name that belongs to no single country because it belongs to the spirit of celebration itself
Skylar
From Dutch 'Schuyler' (scholar, shelter). American adaptation. Used for all genders since 1990s
Jordan
The descending river, the sacred waters in which Jesus was baptised

Sharing the same meaning

Other Christian unisex names from the Courage cluster

Alexis
Defender, protector, the one who wards off harm — Alexis comes from the Greek verb meaning to defend and has moved between genders across centuries and continents. It carries the guardian's vigilance, the instinct to step between danger and the vulnerable, and the ancient Greek conviction that the highest use of strength is not conquest but protection of those who cannot protect themselves
Nikita
Victorious one — Nikita (Russian Никита, from Greek Nikētēs 'victor') shares its root with Nike and Nikolai. In Russian and Slavic usage it is a masculine name, though Western adoption has often treated it as feminine. The earliest Saint Nikita was an early Christian martyr remembered for his steadfastness.
Finley
Fair warrior, the white-haired hero of Gaelic legend — Finley descends from the same root as Fionn mac Cumhaill, the legendary hunter-warrior of Irish and Scottish mythology. It carries the pale radiance of northern skies, the martial spirit of Highland culture, and the modern versatility of a name that moved from the clan chieftain's hall to the nursery without losing any of its Celtic fire

Names that sound similar

Christian unisex names that open with the same syllables as Reilly

Rowan
The rowan tree, the sacred protector whose red berries ward off enchantment
River
The flowing water that carves its own path through the landscape — River is the nature name that most perfectly captures movement, the relentless forward energy of water finding its way from mountain to sea.
Raven
The raven — Raven names a child after the bird sacred in Norse (Odin's two ravens Hugin and Munin) and Native American mythology. A modern Western Pagan revival name carrying mystery and intelligence.

Explore more names

Keep exploring names like Reilly — by tradition, by meaning, or by first letter.

Christian unisex namesNames that mean courageNames starting with R All baby names

Common questions about Reilly

What does the name Reilly mean?

Reilly means "Courageous, valiant, from Irish Raghailligh (brave, sociable). An Irish surname brimming with spirit." It is a unisex name of English origin, traditionally used in Christian families.

Is Reilly a boy or girl name?

Reilly is a unisex name, used for any gender.

What is the origin of the name Reilly?

Reilly is of English origin, used in Christian tradition, commonly among British, American, European families.

Is Reilly a Christian name?

Yes. Reilly is a unisex name traditionally used in Christian families, of English origin.

What does Reilly mean in English?

Reilly originates from English, where it means "Courageous, valiant, from Irish Raghailligh (brave, sociable). An Irish surname brimming with spirit."

What are common nicknames for Reilly?

Common short forms of Reilly include Reili, Reil.

What is the numerology of Reilly?

Reilly has a Pythagorean destiny number of 9 — compassion and humanitarian service.

See how Reilly scores for your family

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