Casi Girl
How popular is Casi?
Peaked in 1989
No babies were recorded with the name Casi in 2025. It was most used in 1989, when 56 girls got the name.
1,049living people named Casi (est.)
39median age of people named Casi
1,080babies named Casi since 1880
Casi popularity over time
| Rank in 2025 | Not ranked |
|---|---|
| Babies in 2025 | 0 girls |
| 10-year trend | Not used lately |
| Peak year | 1989 (56 girls) |
| Highest rank | #2,024 in 1986 |
| First recorded | 1962 |
| Boys vs girls (last 10 years) | 0% boys, 100% girls |
Casi 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.
Casi by decade
| Decade | Baby girls | Best rank |
|---|---|---|
| 1960s | 12 | #5,972 |
| 1970s | 231 | #2,273 |
| 1980s | 444 | #2,024 |
| 1990s | 292 | #2,397 |
| 2000s | 85 | #6,614 |
| 2010s | 11 | #14,552 |
| 2020s | 5 | #15,301 |
Questions
- Is Casi a boy or girl name?
- Casi is mostly a girl name. Over the last 10 years, 100% of babies named Casi were girls.
- How popular is the name Casi?
- No babies were recorded with the name Casi in 2025. It was most used in 1989, when 56 girls got the name.
- When was Casi most popular?
- Casi peaked in 1989, when 56 girls were given the name. Its highest rank was #2,024 in 1986.
- How many people are named Casi?
- 1,080 babies have been named Casi in the US since 1880. We estimate about 1,049 of them are alive in 2026, with a median age of 39.
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.