Trinnity is a distinctive girls' name in United States, ranking #11194 in 2012 with 10 recorded births. This places Trinnity in the bottom 43% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2001 with 16 births ranking #6941. In 2012, approximately 1 in every 176,074 girls born was named Trinnity. RISING Recent data shows the name is currently rising.