Austynn is a distinctive girls' name in United States, ranking #6907 in 2012 with 18 recorded births. This places Austynn in the top 35% 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 28 births ranking #4873. In 2012, approximately 1 in every 97,819 girls born was named Austynn. FALLING Recent data shows the name is currently falling.