Moon is a rare variant of Mona that peaked in 2022 and remains in steady use.
Moon is predominantly a girl name. In 2025 it ranked #3,123 among girls (52) and #6,691 among boys (13) — overall #4,722 across all names. The charts below show girls and boys separately.
Girls named Moon per year · hover for count and girls rank · Source: U.S. Social Security Administration, national data 1972–2025 · 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 Moon · 13 in 2025
Boys named Moon per year · hover for count and boys rank · Source: U.S. Social Security Administration, national data 1972–2025 · 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