Modern creation, possibly meaning sea or bitter with suffix.
Zymarion is a contemporary American invention. It likely combines the 'Zy-' prefix, popular in names like Zaire or Zion, with the name Marion, which is a French diminutive of Marie. Because of its roots in Marie, it may carry the traditional meanings of 'bitter', 'beloved', or 'of the sea'.
Less common today
Zymarion isn't in the latest US Top 1000. It last peaked at #5,545 in 2009.
US births per 5-year period, 1990βpresent (SSA data).