Follower of Demeter
Demetrion is a modern elaboration of the Greek name Demetrius. It ultimately derives from the name of the Greek goddess Demeter, who presided over agriculture and the harvest. While the root name is ancient and traditional, this specific suffix variation is a contemporary American innovation.
Less common today
Demetrion isn't in the latest US Top 1000. It last peaked at #7,302 in 2006.
US births per 5-year period, 1990βpresent (SSA data).