Casidy

Irish
"curly-haired"

Casidy Origin and Meaning

The name Casidy is a girl's name.

Casidy is a feminine name that represents a spelling variation of Cassidy, which originated as an Irish surname derived from the Gaelic 'Ó Caiside,' meaning 'descendant of Caiside.' The element 'caiside' possibly relates to 'cas,' meaning 'curly-headed' or 'vigilant.' This particular spelling with a single 's' emerged as parents sought to personalize the increasingly popular Cassidy, which gained traction as a given name for girls in the 1970s and 1980s. The popularity of the traditional Irish folk song 'Cassidy's Reel' and the association with the Grateful Dead song 'Cassidy' contributed to the name's appeal. Casidy offers a slightly streamlined look while maintaining the melodic sound and Irish heritage of the original.