Cassi Girl
How popular is Cassi?
#14,938 girl name in 2025
5 baby girls were named Cassi in the US in 2025, making it the 14938th most popular girl name.
2,298living people named Cassi (est.)
38median age of people named Cassi
2,361babies named Cassi since 1880
1 in 663,069US babies born in 2025
Cassi popularity over time
| Rank in 2025 | #14,938 for girls |
|---|---|
| Babies in 2025 | 5 girls |
| 10-year trend | Falling fast (-72% babies vs 2015) |
| Earlier ranks | #6,719 in 2015, #15,083 in 2020 |
| Peak year | 1982 (126 girls) |
| Highest rank | #1,112 in 1984 |
| First recorded | 1959 |
| Boys vs girls (last 10 years) | 0% boys, 100% girls |
| Chance a classmate shares it | 0.0% in a class of 25 kids born in 2025 |
Cassi counting every spelling
Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Cassie family of names ranked #659 for girls in 2025 (#636 the year before), with 411 babies in all.
| Spelling | Girls in 2025 | Share |
|---|---|---|
| Cassie | 175 | 43% |
| Kasey | 105 | 26% |
| Kassie | 55 | 13% |
| Kaysie | 11 | 3% |
| Kasie | 9 | 2% |
| Kaysi | 13 | 3% |
| Kaisey | 12 | 3% |
| Cassi | 5 | 1% |
| Kassi | 9 | 2% |
| Kassey | 6 | 1% |
| Casie | 6 | 1% |
Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.
Cassi by decade
| Decade | Baby girls | Best rank |
|---|---|---|
| 1950s | 6 | #5,565 |
| 1960s | 90 | #3,198 |
| 1970s | 237 | #1,795 |
| 1980s | 1,047 | #1,112 |
| 1990s | 581 | #1,603 |
| 2000s | 224 | #3,266 |
| 2010s | 140 | #5,975 |
| 2020s | 36 | #9,557 |
Girl names about as popular as Cassi
Questions
- Is Cassi a boy or girl name?
- Cassi is mostly a girl name. Over the last 10 years, 100% of babies named Cassi were girls.
- How popular is the name Cassi?
- 5 baby girls were named Cassi in the US in 2025, making it the 14938th most popular girl name.
- When was Cassi most popular?
- Cassi peaked in 1982, when 126 girls were given the name. Its highest rank was #1,112 in 1984.
- How many people are named Cassi?
- 2,361 babies have been named Cassi in the US since 1880. We estimate about 2,298 of them are alive in 2026, with a median age of 38.
Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.