William Worrall Mayo

William Worrall Mayo
Born	(1819-05-31)May 31, 1819 Salford, Lancashire, England
Died	March 6, 1911(1911-03-06) (aged 91) Rochester, Minnesota, U.S.
Alma mater	University of Missouri
Occupations	Doctor chemist
Known for	Establishing the Mayo Clinic
Spouse	Louise Abigail Wright ​ ​ (m. 1851)​
Children	5, including Charles Horace Mayo and William James Mayo
Member of the Minnesota State Senate
In office 1891–1895
17th Mayor of Rochester, Minnesota
In office 1882–1883
Preceded by	Samuel Whitten
Succeeded by	Orson Sage Porter

William Worrall Mayo (May 31, 1819 – March 6, 1911) was an English American medical doctor and chemist. He is best known for establishing the private medical practice that later evolved into the Mayo Clinic. His sons, William James Mayo and Charles Horace Mayo, established a joint medical practice in Rochester in the U.S. state of Minnesota in the 1880s.