Curly-haired
Derived from the Irish surname Ó Caiside, which originally denoted a descendant of Caiside. The name is rooted in the Gaelic word 'cas', meaning curly or twisted, often referring to hair. It transitioned from a traditional Irish surname to a popular given name in the United States during the late 20th century.
About 558 girls were named Cassidy in 2025.
US births per 5-year period, 1990–present (SSA data).
American actress and daughter of Kathie Lee Gifford
American actress known for Smallville
Former American White House aide
Member of Team Rocket · Pokémon
Daughter of the title character · Nash Bridges
The same feel as Cassidy — far less common.
Hidden gems that stand out.