Cassidey
Below 5 births
Below 5 births
About Cassidey
Cassidey is a feminine name that represents a spelling variation of Cassidy, which originated as an Irish surname meaning 'curly-haired' from the Gaelic 'Ó Caiside.' The alternative spelling with an 'ey' ending adds a distinctive touch while maintaining the same pronunciation. Cassidey emerged as a given name in the United States during the late 20th century when Irish surnames becoming first names was trending. The name gained moderate popularity in the 1990s and early 2000s but remains less common than the standard Cassidy spelling. Cassidey carries connotations of Irish heritage and a somewhat tomboyish yet feminine quality, appealing to parents seeking a name with Celtic roots and a contemporary feel.
Cassidey for boys
Cassidey as a masculine name is an unusual gender assignment for what is typically considered a feminine name in modern usage. Derived from the Irish surname Ó Caiside, meaning 'descendant of Caiside,' it ultimately comes from 'caiside,' referring to 'curly-haired.' The spelling with '-ey' ending is a contemporary variation of Cassidy. While Cassidy has historical use as a boy's name from its surname origins, the Cassidey spelling is rare for males. This variant emerged in the late 20th century amid the trend of Irish surnames becoming first names. For boys, it carries connotations of Irish heritage while offering a unique option that balances traditional roots with a modern sound.
Pronounced kuh-SID-ee.
As of October 2026, Cassidey ranked #14953 in US births in 2014 SSA, peaked at #8879 in 2001.