Trey is a moderately popular boys' name in United States, ranking #313 in 2009 with 1,023 recorded births. This places Trey in the top 2% of ranked US boys' names for the year. Its actual usage is classified as Moderately Popular. The name reached its all-time peak in 1999 with 1,798 births ranking #189. Since 1996, the popularity has decreased by 18.0%. In 2009, approximately 1 in every 1,939 boys born was named Trey. FALLING Recent data shows the name is currently falling.