Thorfinn is a very rare boys' name that was first reported in SSA data in 2023 and is quickly gaining ground.
Thorfinn is a boy name. In 2025 it ranked #8,188 for boy births in the United States (and #17,062 across all names), given to 10 babies. Thorfinn was first reported in SSA data in 2023 and peaked in 2025 (10 births).
Boys named Thorfinn per year · hover for count and boys rank · Source: U.S. Social Security Administration, national data 2023–2025 · U.S.+territories from SSA territory files (1998–2025) · SSA publishes a name only in years it was given to at least 5 babies, so a name may have been in use before — or between — the years shown here