Rein is a very rare variant of Rene that peaked in 2023 and remains in steady use.
Rein is predominantly a boy name. In 2025 it ranked #11,705 among boys (6) and #8,751 among girls (12) — overall #11,282 across all names. The charts below show girls and boys separately.
Boys named Rein per year · hover for count and boys rank · Source: U.S. Social Security Administration, national data 1953–2025 · 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
Girls named Rein · 12 in 2025
Girls named Rein per year · hover for count and girls rank · Source: U.S. Social Security Administration, national data 1953–2025 · 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