Trei is a distinctive boys' name in United States, ranking #7470 in 2001 with 9 recorded births. This places Trei in the bottom 39% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2002 with 13 births ranking #5699. Since 1996, the popularity has decreased by 25.0%. In 2001, approximately 1 in every 215,870 boys born was named Trei. FALLING Recent data shows the name is currently falling.