Declan
5 countries#139 in United States, 2025Popularity across 5 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
🇬🇧 United Kingdom
15,611 births recorded 1974–2025 · currently #303 · peaked in 1997 with 1,284 births (England & Wales + Scotland + Northern Ireland combined)
Source: ONS, National Records of Scotland & NISRA (combined), official birth-registration data
🏴🏴 England & Wales
11,326 births recorded 1996–2021 · currently #390 · peaked in 1997 with 942 births
Source: Office for National Statistics, 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 |
Frequently asked questions about Declan
Is Declan a popular name?
Yes — Declan currently ranks #139 among boys’ names in United States as of 2025, based on official birth records.
Is Declan more common for boys or girls?
Declan is recorded predominantly as a boys’ name in official United States birth data.
When was Declan most popular?
Declan peaked in 2019 in United States, with 4,007 recorded births that year.
Is Declan rising or falling in popularity?
In United States, Declan’s popularity is rising — its rank has improved from #3714 in 1951 to #139 in 2025.
How many babies have been named Declan?
At least 74,814 babies have been recorded with the name Declan across official birth statistics in 5 countries.
Is Declan popular in more than one country?
Yes — Declan appears in official birth records in 5 countries: United States, England & Wales, Scotland, Northern Ireland, France.
What names are similar in popularity to Declan?
Based on real 2025 ranking data in United States, names ranked closest to Declan include Jameson, Leon, Nathaniel, Beckett.
Similar names right now
Ranked directly next to Declan in United States, 2025 — a real popularity match, not a subjective list.