Mysti is a distinctive girls' name in United States, ranking #12724 in 2000 with 7 recorded births. The name reached its all-time peak in 1999 with 15 births ranking #6745. Since 1996, the popularity has decreased by 41.7%. In 2000, approximately 1 in every 259,425 girls born was named Mysti. FALLING Recent data shows the name is currently falling.