Modern blend, likely Great Marion or Beloved
Kmarion is a modern American invention, likely created by adding the prefix 'K-' to the name Marion. Marion itself is a French diminutive of Marie, which stems from the Hebrew Miryam, meaning 'beloved' or 'bitter'.
Less common today
Kmarion isn't in the latest US Top 1000. It last peaked at #7,431 in 2011.
US births per 5-year period, 1990βpresent (SSA data).