Compare two names
Roisin and Rosan side by side: Roisin peaked in 2025 and Rosan in 1943; in 2025 they were given to 64 and 0 babies.
Roisin and Rosan, year by year
Girls and boys together; Roisin solid, Rosan dashed.
| Roisin | Rosan | |
|---|---|---|
| Births 2025 | 64 | 0 |
| Rank 2025 | #2,716 among girls’ names | not ranked |
| Recorded since 1880 | 987 | 97 |
| Peak year | 2025 | 1943 |
| Girls | 100% | 100% |
| Alive, estimated | 975 | under 100 |
| Median age | 14 | n/a |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.