Usually a girl's name, a short form of Joanna, Joanne, Jody, or Josephine, sometimes used independently or in combination with other names, for example Nancy Jo and Jo Anne (see Joanne). Occasionally it is a boy's name, a variant spelling of Joe. Famous female bearers include the American female pop singer Jo Stafford (1920–2008) and the British politician Jo Grimond (originally Joseph Grimond, 1913–93).
English and Scottish: occupational name for a tailor, from Old French tailleur (Late Latin taliator, from taliare ‘to cut’). The surname is extremely common in Britain and Ireland, and its numbers have been swelled by its adoption as an Americanized form of the numerous equivalent European names, most of which are also very common among Ashkenazic Jews, for example Schneider, Szabó, and Portnov.