Compare two names
Declan and Deklan side by side: Declan peaked in 2019 and Deklan in 2018; in 2025 they were given to 2,587 and 57 babies.
Declan and Deklan, year by year
Girls and boys together; Declan solid, Deklan dashed.
| Declan | Deklan | |
|---|---|---|
| Births 2025 | 2,587 | 57 |
| Rank 2025 | #139 among boys’ names | #2,399 among boys’ names |
| Recorded since 1880 | 58,950 | 2,484 |
| Peak year | 2019 | 2018 |
| Girls | 1% | 0% |
| Alive, estimated | 58,400 | 2,460 |
| Median age | 9 | 10 |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.