The baby name Fionn appears in baby name data for the United States from 2008 to 2024. It was most popular in 2012 with 12 babies given the name.
Over the period shown, Fionn has stayed at a similar level of popularity.
| Year | Count |
|---|---|
| 2008 | 11 |
| 2009 | 6 |
| 2011 | 5 |
| 2012 | 12 |
| 2013 | 5 |
| 2017 | 12 |
| 2018 | 10 |
| 2020 | 6 |
| 2021 | 5 |
| 2023 | 6 |
| 2024 | 5 |