Compare two names
Senan and Sean side by side: Senan peaked in 2018 and Sean in 1990; in 2025 they were given to 12 and 623 babies.
Senan and Sean, year by year
Girls and boys together; Senan solid, Sean dashed.
| Senan | Sean | |
|---|---|---|
| Births 2025 | 12 | 623 |
| Rank 2025 | #7,114 among boys’ names | #489 among boys’ names |
| Recorded since 1880 | 142 | 426,606 |
| Peak year | 2018 | 1990 |
| Girls | 0% | 1% |
| Alive, estimated | 141 | 397,000 |
| Median age | 9 | 38 |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.