John C. C. Mayo was one of the wealthiest men in eastern Kentucky when he died. He had built his fortune by buying mineral rights from Appalachian farmers - often for token sums, often for permanent rights to whatever lay under their land - and then selling those rights to the coal and timber companies that would extract the value. The Mayo Companies controlled enormous tracts of underground Kentucky. The original Mayo Mansion in Paintsville, also massive, was his statement of arrival. When he died, his widow Alice Jane inherited the fortune and the houses, and within a few years she had moved to Florida, met Dr. Samuel Fetter while he was recovering from an illness in Palm Beach, married him in 1917, and set about building a Kentucky home for their new life together.

World War I rationing restricted new private construction. To avoid arrest, Alice received official permission to remodel the existing house rather than build a new one. What followed pushed the definition of remodel to its outer limits. The 1864 frame was kept as a legal fig leaf. The interior was gutted and reborn as a Beaux-Arts showcase. Tile and marble were physically removed from the other Mayo Mansion in Paintsville and shipped to Ashland to be installed in the new house. The Beaux-Arts style - the elaborate French academic manner that defined American mansion architecture in the early twentieth century - was the language of wealth at its most confident. By the time the work finished around 1917, the house was a different building. Its 17,000 square feet placed it among the largest private residences in eastern Kentucky.

A large pool house attached to the mansion completed the original complex, an unusual amenity for the era and the region. Few homes in early-twentieth-century Kentucky had indoor pools at all, much less attached pool houses. The structure spoke to a specific kind of wealth and the leisure that wealth bought - the gilded-age confidence that the Mayos had earned and that Alice continued to project as a Fetter. The pool house was demolished in the 1950s, the casualty of changing tastes and the burden of maintaining what nobody used anymore. What remains is a kind of ghost in the photographs - a glimpse of what attached residential leisure architecture once looked like in this region.

From 1984 to 1994, the Mayo Mansion served as the home of the Kentucky Highlands Museum. The arrangement was elegant in a way that the building's history rewarded. A mansion built by Appalachian coal wealth became, for a decade, a museum of Appalachian coal history. Visitors walked through rooms whose marble and tile had been pulled from another mansion to interpret an economy that had produced both mansions. The fit was good but the space proved insufficient. The museum's growing collection needed more square footage, leading to the 1994 move into the former C. H. Parsons Department Store Building. The Mayo Mansion returned to private use after that, restored over subsequent decades after a period of decline.

The mansion stands in the Bath Avenue Historic District, a residential stretch of Ashland that preserves the homes of the city's early-twentieth-century industrial and professional class. Bath Avenue itself was the address of preference - close enough to downtown to be convenient, set back enough to feel residential, lined with substantial brick and stone houses that announced their owners' positions. The Mayo Mansion is the most prominent of these, but it is not isolated. The whole avenue tells a coherent architectural story of a steel-and-coal town's first peak. From above, the residential streets read as a grid of mature trees and large houses set back from the curb - the visual signature of an American small city that prospered before the suburbs.