Cassidy
/ˈkæsɪdi/
Cassidy proper noun: a surname from Irish anglicized from Ó Casaide (“descendant of Caiside”). Caiside is a byname from Irish cas (“curly”) meaning “curly-haired”.
Proper noun
Cassidy
- A surname from Irish anglicized from Ó Casaide (“descendant of Caiside”). Caiside is a byname from Irish cas (“curly”) meaning “curly-haired”.
- A surname from Irish, a rare anglicization of Mac Casarlaigh (“son of Casarlach”) (Casserly).
- A male given name transferred from the surname.
- A female given name transferred from the surname, of modern American usage.
- A community in southern Vancouver Island, British Columbia, Canada.
Forms of Cassidy
| alternative form | Casady |
|---|---|
| alternative form | Cassda |
| alternative form | Casada |
| alternative form | Cassaday |
| alternative form | Cassady |
| alternative form | Cassedy |
| alternative form | Cassiday |
| alternative form | Kassidy |
Origin of Cassidy
From the Irish surname, Anglicized from Ó Caiside (“descendant of Caiside”), from cas (“curly-haired”).
Words formed from Cassidy
Questions about Cassidy
- What does Cassidy mean?
- Cassidy means a surname from Irish anglicized from Ó Casaide (“descendant of Caiside”). Caiside is a byname from Irish cas (“curly”) meaning “curly-haired”.
- What part of speech is Cassidy?
- Cassidy is a proper noun.
- How do you pronounce Cassidy?
- Cassidy is pronounced /ˈkæsɪdi/ (US).
Words near Cassidy in the dictionary
Source and license
Adapted from Wiktionary: Cassidy (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860_(eng)-Moire9-Cassidy.wav.
Cite this entry: “Cassidy.” Word.ws, https://word.ws/cassidy. Based on Wiktionary, CC BY-SA 4.0.