Calyx is a very rare name used for both girls and boys that peaked in 2022 and remains in steady use.
Calyx is predominantly a boy name. In 2025 it ranked #6,518 for boy births in the United States (and #13,692 across all names), given to 13 babies. Calyx was first reported in SSA data in 1997 and peaked in 2022 (20 births).
Boys named Calyx per year · hover for count and boys rank · Source: U.S. Social Security Administration, national data 1997–2025 · 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 Calyx
Girls named Calyx per year · hover for count and girls rank · Source: U.S. Social Security Administration, national data 1997–2025 · 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