Demetri is a distinctive boys' name in United States, ranking #1354 in 2009 with 127 recorded births. The name reached its all-time peak in 2009 with 127 births ranking #1354. Since 1996, the popularity has increased by 35.1%. In 2009, approximately 1 in every 15,617 boys born was named Demetri. FALLING Recent data shows the name is currently falling.