Mysti is a distinctive girls' name in United States, ranking #19621 in 2007 with 5 recorded births. The name reached its all-time peak in 1999 with 15 births ranking #6745. Since 1996, the popularity has decreased by 58.3%. In 2007, approximately 1 in every 384,490 girls born was named Mysti. FALLING Recent data shows the name is currently falling.