Troi is a distinctive girls' name in United States, ranking #6763 in 2018 with 18 recorded births. The name reached its all-time peak in 1997 with 40 births ranking #3033. Since 1996, the popularity has decreased by 43.8%. In 2018, approximately 1 in every 94,468 girls born was named Troi. FALLING Recent data shows the name is currently falling.