Mystica is a distinctive girls' name in United States, ranking #17301 in 2002 with 5 recorded births. This places Mystica in the bottom 4% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1999 with 12 births ranking #8064. In 2002, approximately 1 in every 359,364 girls born was named Mystica. FALLING Recent data shows the name is currently falling.