Compare two names
Kasyn and Kayson side by side: Kasyn peaked in 2020 and Kayson in 2025; in 2025 they were given to 94 and 1,314 babies.
Kasyn and Kayson, year by year
Girls and boys together; Kasyn solid, Kayson dashed.
| Kasyn | Kayson | |
|---|---|---|
| Births 2025 | 94 | 1,314 |
| Rank 2025 | #1,799 among boys’ names | #264 among boys’ names |
| Recorded since 1880 | 1,663 | 15,487 |
| Peak year | 2020 | 2025 |
| Girls | 15% | 2% |
| Alive, estimated | 1,650 | 15,400 |
| Median age | 9 | 7 |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.