Compare two names
Kollyn and Colin side by side: Kollyn peaked in 2023 and Colin in 2004; in 2025 they were given to 18 and 950 babies.
Kollyn and Colin, year by year
Girls and boys together; Kollyn solid, Colin dashed.
| Kollyn | Colin | |
|---|---|---|
| Births 2025 | 18 | 950 |
| Rank 2025 | not ranked | #343 among boys’ names |
| Recorded since 1880 | 282 | 134,151 |
| Peak year | 2023 | 2004 |
| Girls | 36% | 0.3% |
| Alive, estimated | 279 | 127,000 |
| Median age | 12 | 24 |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.