Troi is a distinctive girls' name in United States, ranking #3349 in 1998 with 37 recorded births. The name reached its all-time peak in 1997 with 40 births ranking #3033. Since 1996, the popularity has increased by 15.6%. In 1998, approximately 1 in every 47,754 girls born was named Troi. FALLING Recent data shows the name is currently falling.