Cassidi

Cassidi is a modern feminine name that represents an alternative spelling of Cassidy. Originally an Irish surname meaning 'curly-haired,' Cassidy transitioned to first-name usage in the late 20th century, with variant spellings like Cassidi following. This spelling gives the name a softer, more distinctly feminine appearance while maintaining the familiar pronunciation. Cassidi emerged during the trend of transforming surnames into first names and altering spellings to create unique variations. The name has a friendly, approachable quality with a touch of cowboy charm, possibly influenced by the famous outlaw Butch Cassidy. Despite being less common than the standard spelling, Cassidi maintains the appealing sound and casual elegance of the original.

Pronounced KAS-uh-dee.

As of October 2026, Cassidi ranked #8496 in US births in 2020 SSA, peaked at #2704 in 1999.