Old French masson, a worker in stone — stone worker. One of the occupational surnames that dominated American boys' names after 1997.
Mason ranks 39th among American boys in 2025, with 6,342 born that year. Its best year was 2011, when 19,619 babies were given the name, ranking 2nd. The typical living American called Mason is about 14 years old today. It is relatively most common in Vermont, where it accounts for 0.64% of births.
Source: US Social Security Administration, national and state name files, 2025 release, and the Office for National Statistics for England and Wales. Etymology researched and written by our editors. Living-population and median-age figures are our own estimates, described in the methodology.