Trenity is a distinctive girls' name in United States, ranking #4597 in 2010 with 32 recorded births. The name reached its all-time peak in 2012 with 60 births ranking #2900. Since 1996, the popularity has increased by 540.0%. In 2010, approximately 1 in every 55,541 girls born was named Trenity. FALLING Recent data shows the name is currently falling.