Mary Isabella may refer to: Mary Isabella Hales Horne (1818–1905), English-born American Mormon leader Mary Isabella Langrishe (1864–1939), Irish tennis player Mary Isabella Lee (1871–1939), New Zealand servant, dressmaker, coalminer, and homemaker Mary Isabella Macleod (1852–1933), Canadian pioneer Mary Isabella Shields, birth name of Mamie Shields Pyle (1866–1949), American women's suffrage leader Mary Isabella Taylor, birth name of Peta Taylor (1912–1989), English cricketer Mary Isabella Wickenhauser (1910–1995), American actress
See also Mary Isabel (disambiguation)