Compare two names
Kathlyn and Kathleen side by side: Kathlyn peaked in 1951 and Kathleen in 1951; in 2025 they were given to 28 and 201 babies.
Kathlyn and Kathleen, year by year
Girls and boys together; Kathlyn solid, Kathleen dashed.
| Kathlyn | Kathleen | |
|---|---|---|
| Births 2025 | 28 | 201 |
| Rank 2025 | #4,817 among girls’ names | #1,156 among girls’ names |
| Recorded since 1880 | 5,156 | 715,336 |
| Peak year | 1951 | 1951 |
| Girls | 100% | 99.8% |
| Alive, estimated | 3,210 | 501,000 |
| Median age | 51 | 68 |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.