Westlyn is a rare girls' name that peaked in 2017 and has since faded.
Westlyn is predominantly a girl name. In 2025 it ranked #4,658 among girls (30) and #9,654 among boys (8) — overall #6,829 across all names. The charts below show girls and boys separately.
Girls named Westlyn per year · hover for count and girls rank · Source: U.S. Social Security Administration, national data 2015–2025 · 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 Westlyn · 8 in 2025
Boys named Westlyn per year · hover for count and boys rank · Source: U.S. Social Security Administration, national data 2015–2025 · 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