Trei is a distinctive boys' name in United States, ranking #10779 in 2003 with 6 recorded births. The name reached its all-time peak in 2002 with 13 births ranking #5699. Since 1996, the popularity has decreased by 50.0%. In 2003, approximately 1 in every 329,212 boys born was named Trei. FALLING Recent data shows the name is currently falling.