Kiryn is a very rare variant of Kieran that peaked in 2009 and has since faded.
Kiryn is predominantly a girl name. It last appears in U.S. records in 2025. Kiryn was first reported in SSA data in 2000 and peaked in 2006 (7 births).
Girls named Kiryn per year · hover for count and girls rank · Source: U.S. Social Security Administration, national data 2000–2025 · 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 Kiryn · 5 in 2025
Boys named Kiryn per year · hover for count and boys rank · Source: U.S. Social Security Administration, national data 2000–2025 · 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