| Meaning | clever |
| Origin | English, Gaelic, Irish |
| Gender | gender neutral |
| Opposite gender | Cassidy |
| Popularity | Moderate |
| Length | 7 |
| Syllables | 3 |
| Syllabification | Cas-si-dy |
This spirited name brings together strength and sweetness in a package that feels both approachable and substantial. Cassidy has evolved from its surname origins into a confident given name that carries an air of capability and charm. The name possesses an inherent friendliness that makes it easy to warm up to, while the three syllables provide enough substance to prevent it from feeling lightweight or frivolous. Its Irish heritage adds cultural richness without requiring any specific background to appreciate or use it effectively. Cassidy works beautifully in various settings, from playground adventures to professional accomplishments, adapting seamlessly to life's different stages and contexts. The name suggests someone outgoing and personable, with the kind of energy that draws others in and creates lasting connections. Parents choosing Cassidy often appreciate names that feel wholesome and genuine without being overly formal or pretentious, seeking something that will wear well through childhood and beyond with consistent appeal.
| Cassady |
| Casidy |
| Kassidy |
| Caiside |
| Cass |
| Cassie |
| Cassy |
| Sidy |
| Dee |
| Cassidy Freeman | American actress known for her roles in "Smallville" and "Longmire" |
| Cassidy Hubbarth | American sports anchor and reporter for ESPN |
| Cassidy Gifford | American actress and daughter of Kathie Lee Gifford |
| Cassidy Rae | American actress known for her work in "God's Not Dead" and "The Adventures of Swiss Family Robinson" |
| Cassidy Bishop | British Paralympic swimmer and gold medalist |
| Cassidy Anderson | American social media influencer and model |
| Cassidy McComb | Canadian soccer player who has represented the national team |
| Cassidy Krug | American diver and Olympian |
| Cassidy Gard | Australian singer-songwriter and musician |
| Cassidy Naber | American professional golfer |
| Cassidy Little | British actor and veteran who lost his leg in Afghanistan |
| Cassidy Banks | American adult film actress |
| Cassidy Brown | American theatre actress and playwright |
| Cassidy Staub | American former child actress known for "The Wild Thornberrys" |
| Cassidy Clay | Canadian former ice hockey player |
| Cassidy Shaffer | American voice actress known for "Avatar - The Last Airbender" |
| Cassidy Lichtman | American volleyball player and Olympian |
| Cassidy Schaub | Canadian curler and world champion |
| Cassidy Ann Shaffer | American actress and voiceover artist |
| Cassidy Estevez | American social media personality |
| Cassidy Turner | Character from the TV show "Arrow" |
| Cassidy Casablancas | Character from the TV series "Veronica Mars" |
| Cassidy Phillips | Character from the novel "Forever Blue" by Suzanne Brockmann |
| Cassidy Williams | Character from the film "Super 8" |
| Cassidy Wainwright | Character from the TV show "Bloodline" |
| Cassidy Yates | Character from the TV show "Star Trek - Deep Space Nine" |
| Cassidy "Cass" Thorpe | Character from the novel "Cassidy's Girl" by David Goodis |
| Cassidy Cruz | Character from the TV show "Blue Bloods" |
| Cassidy Cooper | Character from the TV show "Fear the Walking Dead" |
| Cassidy Cascade | Character from the TV show "iZombie" |
| Cassidy Gladstone | Character from the film "Stoker" |
| Cassidy Roarke | Character from the novel "Fatal Burn" by Lisa Jackson |
| Cassidy Michaels | Character from the TV show "Supernatural" |
| Cassidy "Cass" Morgan | Character from the novel "Looking for Alaska" by John Green |
| Cassidy Delaney | Character from the film "Cheaper by the Dozen" |
| Cassidy Sharp | Character from the TV show "The Bold and the Beautiful" |
| Cassidy Finch | Character from the TV show "CSI - NY" |
| Cassidy Sloane | Character from the novel "Six Months Later" by Natalie D. Richards |