Quick answer
Mason is a boy name meaning "stoneworker".
Meaning and history
From an English surname (or vocabulary word) meaning "stoneworker", derived from an Old French word of Frankish origin (akin to Old English macian "to make"). In the United States this name began to increase in popularity in the 1980s, likely because of its fashionable sound. It jumped in popularity after 2009 when Kourtney Kardashian and Scott Disick gave it to their son, as featured on their reality show Keeping Up with the Kardashians in 2010. It peaked as the second most popular name for boys in 2011.
Notes and context
Usage: english