Fionn
Every Fionn since 1973 — 682 of them. Popularity, births, and rankings for each year, from official Social Security records.
The story of Fionn
Fionn is rare for boys in the United States, ranked #4,171 in 2025 with 25 babies given the name. It is currently holding steady compared with a decade ago.
Since 1973, 682 American babies have been named Fionn. Its peak came in 2018, when 40 newborns received the name — the signature sound of the 2010s.
The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Fionn stood among all boys' names in any year, or use the compare tool to plot it against other names.
Fionn year by year
Every year since 2001, and five-year steps back to 1880. Rank is within each sex.
| Year | Boys | Boys rank |
|---|---|---|
| 2025 | 25 | #4,171 |
| 2024 | 22 | #4,605 |
| 2023 | 31 | #3,650 |
| 2022 | 28 | #3,922 |
| 2021 | 40 | #3,038 |
| 2020 | 23 | #4,315 |
| 2019 | 25 | #4,152 |
| 2018 | 40 | #2,964 |
| 2017 | 33 | #3,405 |
| 2016 | 29 | #3,715 |
| 2015 | 31 | #3,542 |
| 2014 | 24 | #4,172 |
| 2013 | 28 | #3,690 |
| 2012 | 37 | #3,073 |
| 2011 | 25 | #4,022 |
| 2010 | 25 | #4,031 |
| 2009 | 29 | #3,663 |
| 2008 | 29 | #3,677 |
| 2007 | 20 | #4,692 |
| 2006 | 18 | #4,928 |
| 2005 | 25 | #3,751 |
| 2004 | 16 | #5,086 |
| 2003 | 15 | #5,119 |
| 2002 | 11 | #6,223 |
| 2001 | 13 | #5,472 |
| 2000 | 16 | #4,651 |
| 1995 | — | — |
| 1990 | — | — |
| 1985 | — | — |
| 1980 | — | — |
| 1975 | — | — |
| 1970 | — | — |
| 1965 | — | — |
| 1960 | — | — |
| 1955 | — | — |
| 1950 | — | — |
| 1945 | — | — |
| 1940 | — | — |
| 1935 | — | — |
| 1930 | — | — |
| 1925 | — | — |
| 1920 | — | — |
| 1915 | — | — |
| 1910 | — | — |
| 1905 | — | — |
| 1900 | — | — |
| 1895 | — | — |
| 1890 | — | — |
| 1885 | — | — |
| 1880 | — | — |
Famous people named Fionn
- Fionn Whitehead Actor · b. 1997
Ranked by global fame across Wikipedia editions (Pantheon project, MIT).
Frequently asked questions
How popular is the name Fionn in 2025?
Fionn ranked #4,171 among boys' names in the United States in 2025, with 25 babies given the name, according to Social Security Administration data.
How many people are named Fionn?
682 babies have been named Fionn in the United States since 1973, based on Social Security card applications.
When was the name Fionn most popular?
Fionn peaked in 2018, when 40 newborns received the name.
Is Fionn a boy or girl name?
Fionn is overwhelmingly a boy's name — 100% of babies with the name.
Is the name Fionn rising or falling?
Fionn has been roughly stable over the past decade.
Who are famous people named Fionn?
Well-known people named Fionn include Fionn Whitehead (actor).