Purity or to excel
Kassie is most commonly used as a diminutive of Katherine, meaning 'pure,' or Cassandra, which is Greek for 'to excel' or 'shining upon men.' While it has functioned as a standalone name since the mid-20th century, it retains the spirited and approachable energy of a nickname.
Less common today
Kassie isn't in the latest US Top 1000. It last peaked at #749 in 1990.
American soap opera actress known for One Life to Live
Birth name of actress Kassie DePaiva
US births per 5-year period, 1990βpresent (SSA data).