JO

(female), (male) 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).