A person who works with bluestone, quarries bluestone, or builds with bluestone; someone involved in the bluestone industry.
Agent noun from 'bluestone' (blue + stone + -er), referring to a worker in the bluestone trade, particularly common as a job title during the height of bluestone quarrying in 19th-century New York and Pennsylvania.
Bluestoner was a real occupational category—thousands of workers in the Hudson Valley and Pennsylvania quarried and dressed bluestone for the expanding American cities, and many were Irish immigrants, making bluestone literally the embodied labor of immigration and urban development.
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