Cassidy (given name)

Cassidy is a given name derived from an Irish surname and ultimately from the Goidelic given name Caiside, meaning "clever" or "curly-haired." The name Caiside comes from the Irish word element cas.[1][2]

Meaning"clever" or "curly-haired"
Region of originIreland
Other names
Related namesKassidi, Kassidy, Cassadee, Kennedy

Cassidy was the 244th most popular name for girls born in the United States in 2009. It was most popular in 1999, when it was the 99th most popular name for American girls. It first appeared among the 1,000 most popular names for American girls in 1981. Kassidy, an alternate spelling, was ranked as the 443rd most popular name for girls in 2009.[3]

The name Cassidy was a known last name. Cassidy may have become a first name due to baby-boomer and Generation X parents naming their children after the Grateful Dead song, "Cassidy".

People with the nameEdit



Fictional charactersEdit

See alsoEdit


  1. ^ Behind the Name
  2. ^ Rosenkrantz, Linda, and Satran, Pamela Redmond (2007). Baby Name Bible. St. Martin's Griffin. ISBN 978-0-312-35220-2
  3. ^ Social Security Administration