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

Cassidy is a gender neutral name. 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 name

Cassidy

• Cassidy (musician) (born 1979), American musical artist
• Cassidy (rapper) (born 1982), American rapper
• Cassidy Benintente (born 1994), American soccer player
• Cassidy Cox (born 1998), American archer
• Cassidy Davis (born 1994), Australian footballer
• Cassidy Doneff (born 1986), American football player
• Cassidy Freeman (born 1982), American actress
• Cassidy Gifford (born 1993), American actress
• Cassidy Haley (born 1980), American singer-songwriter
• Cassidy Hutchinson (born 1996), American former Trump White House aide
• Cassidy Hubbarth (born 1984), American television host
• Cassidy Janson (born 1980), British actress
• Cassidy Krug (born 1985), American athlete
• Cassidy Lehrman (born 1992), American actress
• Cassidy Lichtman (born 1989), American volleyball player
• Cassidy O'Reilly (born 1976), American professional wrestler
• Cassidy Rae (born 1976), American actress
• Cassidy Sugimoto, American information scientist
• Cassidy Possum Tjapaltjarri (1923-2006), Australian visual artist
• Cassidy Turbin, American recording engineer
• Cassidy Wolf (born 1994), American model
• DJ Cassidy (born 1981), American DJ and MC

Cassadee

• Cassadee Pope, American singer and winner of The Voice, season 3

Fictional characters

• The character Cassidy in the videogame Life Is Strange 2
• The Overwatch character Cole Cassidy
• The Star Trek: Deep Space Nine character Kasidy Yates
• The character Cassidy Chacon in W.I.T.C.H.
• The character Cassidy "Beaver" Casablancas on Veronica Mars
• The character Cassidy Bridges in Nash Bridges
• The character of Team Rocket agent and partner of Butch in the English-language version of Pokémon animated series
• The presumed identity of Golden Freddy in Five Nights at Freddy's is a kid named Cassidy
• The 100 year old Irish vampire character from graphic novel and TV show "Preacher"
• The main character of Victoria Schwab's Cassidy Blake book series
• Cassidy Sharp, a character on This Is Us