Kaisyn Boy
How popular is Kaisyn?
#1,919 boy name in 2025
81 baby boys were named Kaisyn in the US in 2025, making it the 1919th most popular boy name. Another 9 girls got the name (#10,104 for girls).
Kaisyn popularity over time
Boys Girls
| Rank in 2025 | #1,919 for boys (▼ 320 from 2024) |
|---|---|
| Babies in 2025 | 81 boys, 9 girls |
| 10-year trend | Rising fast (+179% babies vs 2015) |
| Earlier ranks | #3,683 in 2015, #1,946 in 2020 |
| Peak year | 2024 (107 boys) |
| Highest rank | #1,599 in 2024 |
| First recorded | 2010 |
| Boys vs girls (last 10 years) | 83% boys, 17% girls |
| Chance a classmate shares it | 0.1% in a class of 25 kids born in 2025 |
Kaisyn counting every spelling
Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Kayson family of names ranked #44 for boys in 2025 (#54 the year before), with 6,536 babies in all.
| Spelling | Boys in 2025 | Share |
|---|---|---|
| Kayson | 1,305 | 20% |
| Kason | 480 | 7% |
| Kasen | 622 | 10% |
| Kaison | 557 | 9% |
| Kaysen | 772 | 12% |
| Cason | 291 | 4% |
| Cayson | 296 | 5% |
| Casen | 293 | 4% |
| Kaizen | 895 | 14% |
| Kaisen | 311 | 5% |
| Caysen | 143 | 2% |
| Kasyn | 89 | 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.
Where Kaisyn is most popular
Babies named Kaisyn per 1,000 boys born in each state, 2021 to 2025. Darker means more common.
- Louisiana: 0.2 per 1,000 (17 boys)
- North Carolina: 0.1 per 1,000 (23 boys)
- Mississippi: 0.1 per 1,000 (5 boys)
- Georgia: 0.1 per 1,000 (20 boys)
- Kansas: 0.1 per 1,000 (5 boys)
Kaisyn by decade
Boy names about as popular as Kaisyn
Questions
- Is Kaisyn a boy or girl name?
- Kaisyn is mostly a boy name. Over the last 10 years, 83% of babies named Kaisyn were boys.
- How popular is the name Kaisyn?
- 81 baby boys were named Kaisyn in the US in 2025, making it the 1919th most popular boy name. Another 9 girls got the name (#10,104 for girls).
- When was Kaisyn most popular?
- Kaisyn peaked in 2024, when 107 boys were given the name. Its highest rank was #1,599 in 2024.
- How many people are named Kaisyn?
- 1,087 babies have been named Kaisyn in the US since 1880. We estimate about 1,082 of them are alive in 2026, with a median age of 6.
- Where is Kaisyn most popular?
- From 2021 to 2025, Kaisyn was most common in Louisiana, at 0.2 of every 1,000 boys born there.
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.