William W. Mayo May 20, 2025 William W. Mayo immigrated in 1846, married and moved to Minnesota Territory. He was a surgeon in the Union Army in Rochester, Minnesota. In 1864 he opened his first medical practice. He was joined by both sons. They cared for survivors of a tornado, and with the help of Mother Alfred Moes and two hospitals formed the Mayo Clinic. Now, over 7,300 physicians and scientist, they saw 1.3 million patients in 2022.

William W. Mayo

May 20, 2025

William W. Mayo immigrated in 1846, married and moved to Minnesota Territory. He was a surgeon in the Union Army in Rochester, Minnesota. In 1864 he opened his first medical practice. He was joined by both sons. They cared for survivors of a tornado, and with the help of Mother Alfred Moes and two hospitals formed the Mayo Clinic. Now, over 7,300 physicians and scientist, they saw 1.3 million patients in 2022.