Trey is a distinctive boys' name in England & Wales, ranking #570 in 2013 with 62 recorded births. The name reached its all-time peak in 2010 with 64 births ranking #536. Since 1996, the popularity has increased by 313.3%. In 2013, approximately 1 in every 5,380 boys born was named Trey. FALLING Recent data shows the name is currently falling.