Mellow is a very rare name used for both girls and boys that peaked in 2021 and has grown less common since.
Mellow is predominantly a girl name. In 2025 it ranked #16,471 for girl births in the United States (and #27,267 across all names), given to 5 babies. Mellow first appears in 1939 and peaked in 2021 (10 births).
Girls named Mellow per year · hover for count and girls rank · Source: U.S. Social Security Administration, national data 1939–2025 · U.S.+territories from SSA territory files (1998–2025)
Boys named Mellow
Boys named Mellow per year · hover for count and boys rank · Source: U.S. Social Security Administration, national data 1939–2025 · U.S.+territories from SSA territory files (1998–2025)