Kasi Boy & girl
How popular is Kasi?
Peaked in 1988
No babies were recorded with the name Kasi in 2025. It was most used in 1988, when 113 girls got the name. Another 8 boys got the name (#8,906 for boys).
2,279living people named Kasi (est.)
38median age of people named Kasi
2,341babies named Kasi since 1880
1 in 414,418US babies born in 2025
Kasi popularity over time
Boys Girls
| Rank in 2025 | Not ranked |
|---|---|
| Babies in 2025 | 0 girls, 8 boys |
| 10-year trend | Falling fast (-100% babies vs 2015) |
| Peak year | 1988 (113 girls) |
| Highest rank | #1,280 in 1987 |
| First recorded | 1962 |
| Boys vs girls (last 10 years) | 34% boys, 66% girls |
| Chance a classmate shares it | 0.0% in a class of 25 kids born in 2025 |
Kasi 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.
Kasi by decade
| Decade | Baby girls | Best rank |
|---|---|---|
| 1960s | 48 | #3,773 |
| 1970s | 352 | #1,530 |
| 1980s | 911 | #1,280 |
| 1990s | 632 | #1,459 |
| 2000s | 220 | #3,399 |
| 2010s | 93 | #7,877 |
| 2020s | 24 | #8,973 |
Questions
- Is Kasi a boy or girl name?
- Kasi is used for both. Over the last 10 years, 34% of babies named Kasi were boys and 66% were girls.
- How popular is the name Kasi?
- No babies were recorded with the name Kasi in 2025. It was most used in 1988, when 113 girls got the name. Another 8 boys got the name (#8,906 for boys).
- When was Kasi most popular?
- Kasi peaked in 1988, when 113 girls were given the name. Its highest rank was #1,280 in 1987.
- How many people are named Kasi?
- 2,341 babies have been named Kasi in the US since 1880. We estimate about 2,279 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.