Annastyn is a distinctive girls' name in United States, ranking #6135 in 2012 with 21 recorded births. This places Annastyn in the top 31% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2015 with 29 births ranking #4738. In 2012, approximately 1 in every 83,845 girls born was named Annastyn. FALLING Recent data shows the name is currently falling.