Fionn
4 countries#44 in Northern Ireland, 2025Popularity across 4 countries
Each line is scaled to its own peak, so you can compare when Fionn was in fashion in each country, whatever the population size.
Country by country
🇬🇧 United Kingdom
2,196 births recorded 1996–2025 · currently #126 · peaked in 2021 with 135 births (England & Wales + Scotland + Northern Ireland combined)
Source: ONS, National Records of Scotland & NISRA (combined), official birth-registration data
Northern Ireland
1,132 births recorded 1999–2025 · currently #44 · peaked in 2015 with 68 births
Source: NISRA, official birth-registration data
🏴🏴 England & Wales
846 births recorded 1996–2021 · currently #610 · peaked in 2019 with 63 births
Source: Office for National Statistics, official birth-registration data
🇺🇸 United States
682 births recorded 1973–2025 · currently #4139 · peaked in 2018 with 40 births
Most common in: California, New York, Massachusetts, Pennsylvania
Source: Social Security Administration, official birth-registration data
🏴 Scotland
218 births recorded 1998–2025 · currently #278 · peaked in 2022 with 14 births
Source: National Records of Scotland, official birth-registration data
Northern Ireland rank history
Fionn’s rank among boys’ names, most recent 20 years on record.
| Year | Rank | vs. prior yr |
|---|---|---|
| 2006 | #93 | — |
| 2007 | #97 | ↓4 |
| 2008 | #86 | ↑11 |
| 2009 | #78 | ↑8 |
| 2010 | #80 | ↓2 |
| 2011 | #68 | ↑12 |
| 2012 | #70 | ↓2 |
| 2013 | #52 | ↑18 |
| 2014 | #58 | ↓6 |
| 2015 | #43 | ↑15 |
| 2016 | #51 | ↓8 |
| 2017 | #53 | ↓2 |
| 2018 | #60 | ↓7 |
| 2019 | #49 | ↑11 |
| 2020 | #40 | ↑9 |
| 2021 | #36 | ↑4 |
| 2022 | #51 | ↓15 |
| 2023 | #34 | ↑17 |
| 2024 | #26 | ↑8 |
| 2025 | #44 | ↓18 |
Frequently asked questions about Fionn
Is Fionn a popular name?
Yes — Fionn currently ranks #44 among boys’ names in Northern Ireland as of 2025, based on official birth records.
Is Fionn more common for boys or girls?
Fionn is recorded predominantly as a boys’ name in official Northern Ireland birth data.
When was Fionn most popular?
Fionn peaked in 2015 in Northern Ireland, with 68 recorded births that year.
Is Fionn rising or falling in popularity?
In Northern Ireland, Fionn’s popularity is rising — its rank has improved from #241 in 1999 to #44 in 2025.
How many babies have been named Fionn?
At least 2,878 babies have been recorded with the name Fionn across official birth statistics in 4 countries.
Is Fionn popular in more than one country?
Yes — Fionn appears in official birth records in 4 countries: Northern Ireland, England & Wales, United States, Scotland.
What names are similar in popularity to Fionn?
Based on real 2025 ranking data in Northern Ireland, names ranked closest to Fionn include Favian, Galileo, Gavyn.
Similar names right now
Ranked directly next to Fionn in Northern Ireland, 2025 — a real popularity match, not a subjective list.