William James Mayo was born to William Worrall Mayo and his wife Louise in Le Sueur, Minnesota, in his parents' home. As a child, William and his brother Charles frequently accompanied their father as he went about … See more

Mayo earned his medical degree at the University of Michigan Medical School in 1883, where he became a founder of Nu Sigma Nu Medical Fraternity. Afterwards he returned to Rochester to practice medicine alongside h… See more

William J. Mayo married Hattie Marie Damon (1864–1952) in 1884. They had 5 children, two of whom survived infancy. Carrie born in 1887 and Pheobe in 1897 both married physicians at the Mayo Clinic.
He died in … See more

William J. Mayo served in World War I at the rank of colonel (O6), as chief adviser for U.S. Army surgical services in the office of the U.S. Army Surgeon General. His brother Charles was also a Colonel in the U.S. Army Medical Co… See more

In September 1931, Mayo and other prominent individuals of the time were invited by The New York Times to make a prediction concerning the world in eighty years time in the future, in 2011, to celebrate t… See more