Cassidy
/K-AE-S-IH-D-IY/
Clever one, curly-haired, from the Irish Gaelic Ó Caiside
Get Cassidy's full report — patron saint, feast day & a portrait — freeQuick — what every Christian parent asks about Cassidy:
How well does Cassidy fit your family?
This page tells you what Cassidy 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 — Cassidy is a Christian girl name of English origin, meaning “Clever one, curly-haired, from the Irish Gaelic Ó Caiside”.
Cassidy is a girl's name of English origin, traditionally used in Christian families. The name means "Clever one, curly-haired, from the Irish Gaelic Ó Caiside" and belongs to the Wisdom cluster — names meaning knowledge, insight, and thoughtful presence.
Common among British, American, European families, Cassidy 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 Cassidy
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. Cassidy lives in this tradition of meaning and heritage.
NameRoot connects the dots. See Cassidy's patron saint, its feast day, and whether it aligns with your baby's birth — alongside its full family score.
See Cassidy's saint & feast day →What does Cassidy'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 Cassidy resonates in either tradition.
Cassidy'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 Cassidy's full reading →
Does Cassidy go with your family's names?
Cassidy breaks into 6 sounds: /K-AE-S-IH-D-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 Cassidy 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 Cassidy beside your family's names →
Nicknames
Common affectionate forms of Cassidy — useful for everyday family conversation, early childhood, or as standalone given names themselves.
Names similar to Cassidy
If Cassidy 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 Wisdom cluster
Names that sound similar
Christian girl names that open with the same syllables as Cassidy
Explore more names
Keep exploring names like Cassidy — by tradition, by meaning, or by first letter.
Common questions about Cassidy
What does the name Cassidy mean?
Cassidy means "Clever one, curly-haired, from the Irish Gaelic Ó Caiside." It is a girl name of English origin, traditionally used in Christian families.
Is Cassidy a boy or girl name?
Cassidy is most commonly used as a girl name.
What is the origin of the name Cassidy?
Cassidy is of English origin, used in Christian tradition, commonly among British, American, European families.
Is Cassidy a Christian name?
Yes. Cassidy is a girl name traditionally used in Christian families, of English origin.
What does Cassidy mean in English?
Cassidy originates from English, where it means "Clever one, curly-haired, from the Irish Gaelic Ó Caiside."
What are common nicknames for Cassidy?
Common short forms of Cassidy include Casi, Cass.
What is the numerology of Cassidy?
Cassidy has a Pythagorean destiny number of 8 — material mastery and executive power.
See how Cassidy scores for your family
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