Austynn is a distinctive girls' name in United States, ranking #13717 in 2001 with 6 recorded births. This places Austynn in the bottom 24% 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 2001, approximately 1 in every 300,093 girls born was named Austynn. FALLING Recent data shows the name is currently falling.