Compare two names
Casin and Kasyn side by side: Casin peaked in 2009 and Kasyn in 2020; in 2025 they were given to 0 and 94 babies.
Casin and Kasyn, year by year
Girls and boys together; Casin solid, Kasyn dashed.
| Casin | Kasyn | |
|---|---|---|
| Births 2025 | 0 | 94 |
| Rank 2025 | not ranked | #1,799 among boys’ names |
| Recorded since 1880 | 128 | 1,663 |
| Peak year | 2009 | 2020 |
| Girls | 0% | 15% |
| Alive, estimated | 127 | 1,650 |
| Median age | 13 | 9 |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.