Rainn is a rare variant of Rayna that peaked in 2021 and remains in steady use.
Rainn is predominantly a girl name. In 2025 it ranked #6,063 among girls (20) and #4,112 among boys (26) — overall #5,972 across all names. The charts below show girls and boys separately.
Girls named Rainn per year · hover for count and girls rank · Source: U.S. Social Security Administration, national data 2006–2025 · 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
Boys named Rainn · 26 in 2025
Boys named Rainn per year · hover for count and boys rank · Source: U.S. Social Security Administration, national data 2006–2025 · 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