Names / Boy names
Fionn
Current rank
#4,171
holding steady
All-time peak
#2,964
in 2018
First recorded
1973
in U.S. data
Children named
682
since 1973
Popularity over time
Annual U.S. children given the name · Peak #2,964 in 2018 · Source: Social Security Administration
Meaning & background
Recorded as a boys' name, Fionn enters U.S. records in 1973. These days it lands below the top 1,000, so it still feels distinctive. Roughly 682 people have been given the name to date — a true rarity.