Declan
The anglicized form of the Irish Deaglan, borne by an early saint among the Deisi of County Waterford. The name's underlying meaning is not known.
Declan in 2025
Declan was given to 2,587 babies in the United States in 2025, making it the 251st most popular name of the year. That is roughly one in every 1,282 babies born.
The history of Declan
Declan reached its highest point in 2019, when 4,007 babies were given the name, ranking 159th that year.
Across the 75 years of records since 1951, 58,950 babies have been named Declan. Half of them were born before 2017, which places the name's centre of gravity with Generation Alpha.
Declan by decade
| Decade | Babies named Declan | Best rank |
|---|---|---|
| 1950s | 27 | 8,089 |
| 1960s | 70 | 6,478 |
| 1970s | 53 | 7,180 |
| 1980s | 145 | 4,986 |
| 1990s | 1,135 | 1,208 |
| 2000s | 7,280 | 626 |
| 2010s | 31,336 | 159 |
| 2020s | 18,904 | 170 |
Where Declan is heading
Declan has fallen 28% over the past decade, from 3,608 babies in 2015 to 2,587 in 2025.
Names like Declan
Names that rose and fell at the same time as Declan.