Stephanie /ste-pha-nie/ [3 sylls.] as a girls' name is pronounced STEFF-a-nee. It is of Greek origin, and the meaning of Stephanie is garland, crown. Feminine of Stephen.The name of the first Christian martyr was a favored name choice from the early Christian era.The French form Stephanie became popular early in the 20th century.t is of Greek origin, and the meaning of Stephanie is garland, crown. Feminine of Stephen. The name of the first Christian martyr was a favored name choice from the early Christian era. The French form Stephanie became popular early in the 20th century.