10,541births recorded
12Countries
1Variants
2025Peak · Ireland
#6Ireland 2025
Fionn is a boy name family recorded 10,541 times in 12 countries since 1971. It ranks highest today in Ireland (#6 in 2025). Its all-time peak was in Ireland in 2025, at 797.5 births per 100,000.
Popularity by country
Births per 100,000 newborns, all forms of the name combined.
All forms of Fionn
| Variants | Language | Total births | Country | Latest rank | Peak year | 10-year trend |
|---|---|---|---|---|---|---|
| Fionn | English | 7,047 | 🇮🇪 Ireland | #6 | 2025 | ▲ 40 % |
| Fionn | English | 1,128 | 🇬🇧 Northern Ireland | #44 | 2024 | ▼ 13 % |
| Fionn | English | 1,053 | 🏴 England & Wales | #658 | 2022 | ▲ 69 % |
| Fionn | English | 682 | 🇺🇸 United States | #4139 | 2021 | ▼ 11 % |
| Fionn | English | 279 | 🇨🇭 Switzerland | #577 | 2020 | ▲ 11 % |
| Fionn | English | 194 | 🏴 Scotland | #278 | 2022 | ▲ 31 % |
Questions about Fionn
How popular is the name Fionn?
In 2025 it ranked #6 in Ireland. Official registers record 10,541 births across 12 countries.
When was Fionn most popular?
It peaked in Ireland in 2025, at 797.5 births per 100,000.
Is Fionn a boy or a girl name?
In official birth registers, Fionn is a boy name.