Cassidie
- US rank
- Unranked
- Syllables
- 3
- Peak
- #3,730 in 1998
0 babies were named Cassidie in the US in 2025.
Save adds it to your list. Vote moves it up the top voted names.
US births per million girls, 1981–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Cassidie you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistoryCassidie first shows up in US birth records in 1981, the first year at least 5 babies got it. It has been in use for 44 years since.
- Best yearIts best year was 1998, when it reached #3,730.
About the name Cassidie
Cassidie is a girl name of Irish origin. It has 8 letters and 3 syllables, starting with C and ending in “-die”. US birth records list Cassidie for girls from 1981 to 2017, in 33 of those 37 years. Its best year was 1998, when it ranked #3,730 among girl names. It hasn't been given to 5 or more US babies in a year since 2017, so today it's a genuinely rare choice.
Origin:Irish names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1980s | 2.1 | 466,321 girls |
| 1990s | 10 | 98,619 girls |
| 2000s | 10 | 98,912 girls |
| 2010s | 4.5 | 220,994 girls |
Other spellings of Cassidie
More Irish girl names
- Girl name: Abigail · my father is joy
- Unisex name: Riley · rye clearing
- Girl name: Maeve · she who intoxicates
- Unisex name: Kennedy · helmeted head
- Unisex name: Rylee · rye clearing
- Unisex name: Sloane · raider
- Unisex name: Alani · orange tree
- Girl name: Everleigh · boar clearing
Questions about the name Cassidie
What is the origin of the name Cassidie?
Cassidie has Irish roots in our records. Other Irish names include Abigail, Riley, Maeve.
Is Cassidie a boy or girl name?
Cassidie is a girl name.
How popular is the name Cassidie?
Cassidie is rare: fewer than 5 US girls got it in 2025, and it was last given to 5 or more in 2017. It peaked at #3,730 in 1998.