Cassidy
Meaningcurly-haired · Irish
- US rank
- #541
- Syllables
- 3
- Peak
- #99 in 1999
558 babies were named Cassidy in the US in 2025. It has dropped 130 places in five years.
Found on lists
Save adds it to your list. Vote moves it up the top voted names.
US births per million girls, 1969–2025
US births per million boys, 1968–2025
Most popular states (2025)
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Cassidy you might not know, from US birth records and Wikipedia. Handy for convincing a partner, or a grandparent.
Famous Cassidy
Cassidy Freeman
American actress and singer
Choose Cassidy and your child shares a first name with Cassidy Freeman, an American actress and singer. A ready-made answer when someone asks “Cassidy, like who?” Cassidy Freeman's Wikipedia article is available in 26 languages, a good sign of just how widely known they are.
Read about Cassidy Freeman on Wikipedia (opens in a new tab)Photo: John Manard, CC BY-SA 4.0 (opens in a new tab), via Wikimedia Commons
- How commonAbout 1 in every 2,880 baby girls born in the US in 2025 was named Cassidy, 558 babies in all. In a typical school of 500 kids, your Cassidy would very likely be the only one.
- HistoryCassidy first shows up in US birth records in 1968, the first year at least 5 babies got it. It has been in use for 57 years since.
- Best yearIt was far more popular in 1999, when it ranked #99. Today it's #541, so it could be due a comeback.
- Then vs nowCassidy was 5.0× more common in 2000 than it is today. In 2000 it was given to about 1 in 574 baby girls; in 2025, about 1 in 2,880.
- TrendCassidy has slipped 130 places over the last five years and now sits at #541. Good news if you want a familiar name that fewer kids will share.
- Where it's lovedCassidy is most popular in Pennsylvania, where it ranks #294, followed by Colorado (#317) and New Jersey (#348). It's in the top 1,000 in 30 states.
- MeaningIn Irish, Cassidy means “curly-haired”. Our records link it to Celtic and Irish roots.
About the name Cassidy
Cassidy is a girl name of Celtic and Irish origin meaning “curly-haired”. It has 7 letters and 3 syllables, starting with C and ending in “-idy”. US birth records list Cassidy for girls from 1969 to 2025, in 57 of those 57 years. Its best year was 1999, when it ranked #99 among girl names. In 2025 it ranked #541, with 558 babies.
Origin:Celtic namesIrish names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1960s | 3.0 | 333,333 girls |
| 1970s | 34 | 29,240 girls |
| 1980s | 193 | 5,175 girls |
| 1990s | 1,165 | 859 girls |
| 2000s | 1,152 | 868 girls |
| 2010s | 641 | 1,561 girls |
| 2020s | 401 | 2,492 girls |
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1960s | 2.8 | 350,877 boys |
| 1970s | 22 | 46,490 boys |
| 1980s | 61 | 16,265 boys |
| 1990s | 46 | 21,758 boys |
| 2000s | 24 | 41,667 boys |
| 2010s | 30 | 33,887 boys |
| 2020s | 29 | 34,033 boys |
Other spellings of Cassidy
More Celtic girl names
- Girl name: Evelyn · possibly desired
- Girl name: Isla · from Islay
- Unisex name: Riley · rye clearing
- Girl name: Maeve · she who intoxicates
- Unisex name: Kennedy · helmeted head
- Unisex name: Quinn · descendant of Conn
- Unisex name: Blair · plain, field
- Girl name: Olive · olive tree
Questions about the name Cassidy
What does the name Cassidy mean?
Cassidy means “curly-haired” in Irish.
What is the origin of the name Cassidy?
Cassidy has Celtic, Irish roots in our records. Other Celtic names include Evelyn, Isla, Riley.
Is Cassidy a boy or girl name?
Cassidy is a girl name, though a few boys get it too.
How popular is the name Cassidy?
Cassidy ranked #541 for US girls in 2025, given to 558 babies. Its best year was 1999 (#99).