Meaning & origin
A reliable meaning for Casidy isn’t established in our sources yet. Rather than guess, we show what is recorded: how the name is used, how often, and the names it’s connected to.
The story
Published U.S. birth records include this spelling as early as 1980. This is the earliest published observation available here, rather than a date for the name’s origin.
From dated birth records
Casidy through the years
- Babies since 1880
- 347
- 0 boys · 347 girls
- Most popular year
- 2001
- 26 babies
- 2025
- 0
- Outside the ranked list
- 2021–25 vs 2016–20
- —
- Too few births to compare
By the numbers
The most recent published U.S. birth count for girls is 7 in 2016. Later missing counts do not mean the name went unused. Its largest published annual count for girls was 26 in 2001. Published U.S. population figures for this spelling include 465 as a first name in 2020.
From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.
Casidy’s family of names
The ring: spellings.
Spellings & scripts 1
The same name written differently, including transliterations into other scripts.
Similar names
If you love Casidy, these share its style, era, origin or sound, from outside its own family.
Kassidy
“a curly-haired man”
3% boys · 97% girls
Qadira
“powerful; capable” · “a capable man; one who is competent”
>99% girls
Kadaisha
>99% girls
Canasia
>99% girls
Kanasia
>99% girls
Carlissia
>99% girls
Kanea
>99% girls
Cassidy
“curly-haired girl” · “a clever man”
7% boys · 93% girls