Mary Brown or Browne may refer to:Mary Brown, alias for Typhoid Mary (1869–1938), first identified asymptomatic carrier of typhoid fever in the United States Mary Brown (author) (1929–1999), British fantasy and science fiction author Mary Brown (1935–2021), American politician and educator Mary Brown (nurse) (1840–1936), nurse and soldier in the American Civil War Mary Brown Bullock, American academic specializing in Chinese history Mary Browne (1891–1971), American tennis player Mary Browne, Countess of Southampton (1552–1603), English peer Mary Ann Brown (?–1963), American murder victim Mary Ann Browne (1812–1845), English poet and writer of musical scores Mary Ann Brown Newcomb (1817–1892), American camp- and hospital nurse during the American Civil War Mary Ann Brown Patten (1837–1861), American woman who was the first female American merchant vessel commander Mary Ann Day Brown (1816–1884), wife of abolitionist John Brown Mary Annora Brown (1899–1987), Canadian artist Mary Antoinette Brown-Sherman (1926–2004), Liberian educator and academic administrator Mary Babnik Brown (1907–1991), American who donated her hair for using as bombsight crosshairs Mary Bonaventure Browne, Irish abbess and historian Mary Elizabeth Brown (1862–1952), first female graduate of the University of Sydney Mary Louise Brown (1868–1927), first African-American woman to receive a wartime medical commission Mary Ward Brown (1917–2013), American short-story writer and memoirist Mary Browne (courtier) (1593–1692), English aristocrat Mary Elizabeth Adams Brown (1842–1918), American writer, collector, and curator of musical instruments Mary Brown (songwriter), American singer and songwriter "Mary Brown", a song by Irving Berlin