Home Name Meanings Cassidy

Cassidy Name Meaning, Origin & History

Name Meaning & Origin

Cassidy

"A surname from Irish anglicized from Ó Casaide (“descendant of Caiside”). Caiside is a byname from Irish cas (“curly”) meaning “curly-haired”."

Multiple origins Origin Predominantly Female 📈 Peak 1999 👥 63,963 in US
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Meaning
A surname from Irish anglicized from Ó Casaide (“descendant of Caiside”). Caiside is a byname from Irish cas (“curly”) meaning “curly-haired”.
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Origin
Multiple origins
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US Bearers
63,963
Life Path
Number 8

📖 What Does Cassidy Mean?

Cassidy is a surname name derived from an Irish surname and ultimately from the Gaelic given name Caiside, meaning "clever" or "curly-haired." The name Caiside comes from the Irish word element cas.

🌐 From Wikipedia Source ↗

Cassidy is a surname name derived from an Irish surname and ultimately from the Gaelic given name Caiside, meaning "clever" or "curly-haired." The name Caiside comes from the Irish word element cas.…

Root Element
Cassidy
Core Meaning
"A surname from Irish anglicized from Ó Casaide (“descendant of Caiside”). Caiside is a byname from Irish cas (“curly”) meaning “curly-haired”."
Language

🔢 Numerology of Cassidy

C 3
A 1
S 1
S 1
I 9
D 4
Y 7
SUM 8
8
Life Path
Power & Ambition
1
Soul Urge
Independence & Leadership
7
Personality
Wisdom & Introspection

Life Path 8 — Power & Ambition: Goal-driven, authoritative, and business-minded.

Gender Distribution

♂ Male6%
♀ Female94%

Based on 63,963 US Social Security records

📈 US Popularity

Total US bearers 63,963
Peak year 1999 (3,449)
First recorded 1968
Last recorded 2024
Gender Predominantly Female
Full US statistics →

Historical Journey

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Ancient Roots

Root element "Cassidy" emerges in Multiple origins tradition, carrying the core meaning "A surname from Irish anglicized from Ó Casaide (“descendant of Caiside”). Caiside is a byname from Irish cas (“curly”) meaning “curly-haired”.".

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Classical Period

Used in English literary and religious texts, spreading through cultural exchange.

⚔️
Medieval Period

Carried across regions through trade, religion, and migration. Multiple spelling variants develop.

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Modern Adoption

Standardized in its current form, established across English-speaking and Muslim communities.

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Today (2026)

~63,963 people named Cassidy in the US. Peaked in 1999 with 3,449 recorded uses.

Frequently Asked Questions

What is the numerology number for Cassidy?

The Life Path number for Cassidy is 8, associated with Power & Ambition. Soul Urge: 1. Personality: 7.

Is Cassidy a boy or girl name?

Cassidy is Predominantly Female. Based on US data, 6% male and 94% female.

How many people are named Cassidy in the US?

Approximately 63,963 people in the United States are named Cassidy. The name peaked in 1999 with 3,449 recorded uses.

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