Monaco is a very rare variant of Monica that first appeared in 2022 and is quickly gaining ground.
Monaco is predominantly a boy name. In 2025 it ranked #7,519 among boys (11) and #8,196 among girls (13) — overall #9,279 across all names. The charts below show girls and boys separately.
Boys named Monaco per year · hover for count and boys rank · Source: U.S. Social Security Administration, national data 2022–2025 · U.S.+territories from SSA territory files (1998–2025)
Girls named Monaco · 13 in 2025
Girls named Monaco per year · hover for count and girls rank · Source: U.S. Social Security Administration, national data 2022–2025 · U.S.+territories from SSA territory files (1998–2025)