Gender-Neutral Name · Surname Origin
Cassidy
Cassidy means “Descendant of Caiside”. It is a gender-neutral name of Surname origin, and it is rare in the United States today — outside the SSA top 1,000.
Origin and meaning: English Wiktionary (CC BY-SA 4.0). Popularity: US Social Security Administration.
Cassidy is a neutral baby name of Surname origin, meaning "Descendant of Caiside". It currently sits in the Rare tier of US baby names for 2026, and parents who love Cassidy often also consider Chasity.
Cassidy meaning, origin, and usage
Meaning: Descendant of Caiside
Origin: Surname naming roots help connect Cassidy to related Surname baby names.
Pronunciation: Baby Name Studio pronounces Cassidy as C·A·S·S·I·D·Y, with 7 letters and a gender-neutral usage profile.
Popularity: According to Baby Name Studio's 2026 tracker, Cassidy is an uncommon, standout choice in the Rare tier.
Cassidy variants, nicknames, middle names, and sibling names
- Variants and spelling ideas: Cassidya, Cassidye, Cassidyy, Cassid.
- Nicknames: Cass and C.
- Middle names: Pair Cassidy with a middle name that balances its substantial sound; start with the Cassidy middle name generator.
- Sibling names: Chasity, Cozette, Chiquita, Castiel, Candy — full picks on the sibling names for Cassidy guide for a cohesive sibset.
- Similar names: Looking for names that sound like Cassidy? Browse our names like Cassidy guide for phonetic-neighbor picks.
- Explore more: use the Baby Name Explorer, name search, AI name generator, and Baby Name Studio homepage.
Frequently asked about Cassidy
What does the name Cassidy mean?
Cassidy means "Descendant of Caiside" and is of Surname origin. The meaning is recorded in English Wiktionary (CC BY-SA 4.0), and in US records Cassidy is used as a neutral name.
What is the origin of Cassidy?
Cassidy originates in Surname naming tradition.
How do you pronounce Cassidy?
Cassidy has 7 letters and is most commonly stressed on the first syllable.
Is Cassidy a boy's or girl's name?
Cassidy is primarily used as a girl's name in US records.
How popular is Cassidy in 2026?
In our 2026 popularity tracker, Cassidy sits in the Rare tier — an uncommon, standout choice.
What names are similar to Cassidy?
Names that share Cassidy's sound and style include Chasity, Cozette, Chiquita, Castiel, Candy.
What middle names pair well with Cassidy?
Good middle-name fits for Cassidy pair an opposite syllable rhythm: if Cassidy is short, lean longer (e.g. classical or three-syllable middles); if Cassidy is longer, a one-syllable middle keeps the full name from feeling heavy.
What are good sibling names for Cassidy?
Sibling names that pair naturally with Cassidy share its rhythm without rhyming — Chasity, Cozette, Chiquita all sit comfortably alongside it on a shortlist.