name
Cassidy
KA-sih-dee
name
1
A surname of Irish origin, anglicized from Ó Caiside, meaning roughly "descendant of the curly-haired one".
"The Cassidy family emigrated from County Fermanagh."
2
A given name, used for both men and women in modern American usage, taken from the surname.
"Cassidy started at her new school in September."
How to Use Cassidy
Learner’s notesIn plain EnglishAn Irish-derived surname now also common as a first name.
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The _____ family emigrated from County Fermanagh.
Etymology
From the Irish surname Ó Caiside, from cas meaning "curly-haired".