Trey is a distinctive boys' name in England & Wales, ranking #730 in 2014 with 44 recorded births. The name reached its all-time peak in 2010 with 64 births ranking #536. Since 1996, the popularity has increased by 193.3%. In 2014, approximately 1 in every 7,549 boys born was named Trey. FALLING Recent data shows the name is currently falling.