Compare two names
Ciaran and Kieran side by side: Ciaran peaked in 2025 and Kieran in 2025; in 2025 they were given to 110 and 828 babies.
Ciaran and Kieran, year by year
Girls and boys together; Ciaran solid, Kieran dashed.
| Ciaran | Kieran | |
|---|---|---|
| Births 2025 | 110 | 828 |
| Rank 2025 | #1,609 among boys’ names | #389 among boys’ names |
| Recorded since 1880 | 2,233 | 19,218 |
| Peak year | 2025 | 2025 |
| Girls | 2% | 8% |
| Alive, estimated | 2,200 | 18,600 |
| Median age | 15 | 16 |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.