Wellesley is a very rare name used for both girls and boys that peaked in 2020 and has grown less common since.
Wellesley is predominantly a girl name. In 2025 it ranked #14,831 among girls (6) and #10,615 among boys (7) — overall #14,264 across all names. The charts below show girls and boys separately.
Girls named Wellesley per year · hover for count and girls rank · Source: U.S. Social Security Administration, national data 1923–2025 · U.S.+territories from SSA territory files (1998–2025)
Boys named Wellesley · 7 in 2025
Boys named Wellesley per year · hover for count and boys rank · Source: U.S. Social Security Administration, national data 1923–2025 · U.S.+territories from SSA territory files (1998–2025)