Kollyn is a very rare name used for both girls and boys that peaked in 2023 and remains in steady use.
Kollyn is predominantly a boy name. It last appears in U.S. records in 2025. Kollyn was first reported in SSA data in 1994 and peaked in 2009 (13 births).
Boys named Kollyn per year · hover for count and boys rank · Source: U.S. Social Security Administration, national data 1994–2025 · 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 Kollyn · 18 in 2025
Girls named Kollyn per year · hover for count and girls rank · Source: U.S. Social Security Administration, national data 1994–2025 · 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