Tristyn is a distinctive girls' name in United States, ranking #3023 in 2015 with 57 recorded births. The name reached its all-time peak in 2002 with 113 births ranking #1641. Since 1996, the popularity has decreased by 21.9%. In 2015, approximately 1 in every 31,310 girls born was named Tristyn. FALLING Recent data shows the name is currently falling.