In French, name Josie means – Diminutive of Josephine: May Jehovah add. Addition (to the family). Also can be a diminutive of Joanne: God is gracious. French form of Joanna (from the Latin, Johanna) and the feminine form of John.. Other origins for name Josie include – French, American, English, Hebrew. Name Josie is most often used as a girl name or female name.