Declan
4 countries#139 in United States, 2025Popularity across 4 countries
Each line is scaled to its own peak, so you can compare when Declan was in fashion in each country, whatever the population size.
Country by country
United States
58,950 births recorded 1951–2025 · currently #139 · peaked in 2019 with 4,007 births
Most common in: California, New York, Pennsylvania, Texas, Illinois
Source: Social Security Administration, official birth-registration data
Scotland
3,680 births recorded 1974–2025 · currently #278 · peaked in 1997 with 284 births
Source: National Records of Scotland, official birth-registration data
Northern Ireland
605 births recorded 1997–2025 · currently #270 · peaked in 1997 with 58 births
Source: NISRA, official birth-registration data
France
253 births recorded 1999–2022 · currently #5416 · peaked in 2006 with 26 births
Most common in: Finistère, Morbihan
Source: INSEE, official birth-registration data
United States rank history
Declan’s rank among boys’ names, most recent 20 years on record.
| Year | Rank | vs. prior yr |
|---|---|---|
| 2006 | #366 | — |
| 2007 | #348 | ↑18 |
| 2008 | #347 | ↑1 |
| 2009 | #309 | ↑38 |
| 2010 | #274 | ↑35 |
| 2011 | #176 | ↑98 |
| 2012 | #143 | ↑33 |
| 2013 | #121 | ↑22 |
| 2014 | #123 | ↓2 |
| 2015 | #112 | ↑11 |
| 2016 | #109 | ↑3 |
| 2017 | #115 | ↓6 |
| 2018 | #101 | ↑14 |
| 2019 | #95 | ↑6 |
| 2020 | #101 | ↓6 |
| 2021 | #106 | ↓5 |
| 2022 | #114 | ↓8 |
| 2023 | #132 | ↓18 |
| 2024 | #132 | — |
| 2025 | #139 | ↓7 |
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Ranked directly next to Declan in United States, 2025 — a real popularity match, not a subjective list.