William S. Harley

This article is about the founder of Harley-Davidson Motor Company. For the children's entertainer, see Bill Harley.
William S. Harley
William S. Harley
Born
William Sylvester Harley

(1880-12-29)December 29, 1880
Milwaukee, Wisconsin, U.S.
DiedSeptember 18, 1943(1943-09-18) (aged 62)
Milwaukee, Wisconsin, U.S.
Occupation(s)Mechanical engineer, businessman
Years active1901–1943
Known forCo-founder of Harley-Davidson Motor Company
SpouseAnna Jachthuber
Signature

William Sylvester Harley (December 29, 1880 – September 18, 1943) was an American mechanical engineer and businessman. He was one of the four co-founders of the Harley-Davidson Motor Company.