1819 births

Auguste Vacquerie (1819–1895) was a French journalist and man of letters.

Henri-Joseph Harpignies (French pronunciation: [ɑ̃ʁi ʒɔzɛf aʁpiɲi]; June 28, 1819 – August 28, 1916) was a French landscape painter of the Barbizon school.

William Worrall Mayo (May 31, 1819 – March 6, 1911) was an English 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.