Trey is a distinctive boys' name in England & Wales, ranking #515 in 2000 with 38 recorded births. The name reached its all-time peak in 2010 with 64 births ranking #536. Since 1996, the popularity has increased by 153.3%. In 2000, approximately 1 in every 7,715 boys born was named Trey. FALLING Recent data shows the name is currently falling.