Joseph J. Fahey

Joseph John Fahey (July 30, 1901 – June 29, 1980) was an American geologist and geochemist. He joined the U.S. Geological Survey in 1927, where he worked until his retirement in 1971. During his career, he named seventeen minerals, mansfieldite, and wherryite. The mineral faheyite was named after him in 1953.

Fahey was born in Massena, New York He and his family soon moved to Washington, D.C., where he attended Gonzaga High School and was educated in the classics. and the Chemical Society of Washington, of which he served as president.

He died at the Fairland Nursing Home in Silver Spring, Maryland,Efn|His place of death has also been attributed as Adelphi, Maryland, and a fellow of the Geological Society of America. He was also a former resident of University Park, Maryland.