Compare two names
Cailyn and Kaelyn side by side: Cailyn peaked in 2009 and Kaelyn in 2009; in 2025 they were given to 45 and 131 babies.
Cailyn and Kaelyn, year by year
Girls and boys together; Cailyn solid, Kaelyn dashed.
| Cailyn | Kaelyn | |
|---|---|---|
| Births 2025 | 45 | 131 |
| Rank 2025 | #3,727 among girls’ names | #1,601 among girls’ names |
| Recorded since 1880 | 5,554 | 15,648 |
| Peak year | 2009 | 2009 |
| Girls | 99.9% | 99% |
| Alive, estimated | 5,500 | 15,500 |
| Median age | 18 | 18 |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.