Brother William Mayo
June 29th 1861 – July 28th 1939
Rochester Lodge #21, Rochester Minnesota
Physician and surgeon in the United States and one of the seven founders of the Mayo Clinic. He and his brother, Charles Horace Mayo, both joined their father’s private medical practice in Rochester, Minnesota, USA, after graduating from medical school in the 1880s. In 1919, that practice became the not-for-profit Mayo Clinic.