Olyn is a very rare variant of Olin that peaked in 1918 and has since faded.
Olyn is a boy name. In 2025 it ranked #11,640 for boy births in the United States (and #24,036 across all names), given to 6 babies. Olyn was first reported in SSA data in 1914 and peaked in 1918 (8 births).
Boys named Olyn per year · hover for count and boys rank · Source: U.S. Social Security Administration, national data 1914–2025 · 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