Spear; possibly a modern variant of Corin
Corrion is likely a modern American elaboration of the name Corin or Corey. Corin is derived from the Latin 'Quirinus', which is associated with the Sabine word for spear, while Corey has Gaelic roots referring to a hollow or pool.
Less common today
Corrion isn't in the latest US Top 1000. It last peaked at #6,037 in 2008.
US births per 5-year period, 1990βpresent (SSA data).