Austun is a distinctive boys' name in United States, ranking #6081 in 1999 with 10 recorded births. This places Austun in the bottom 48% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1997 with 10 births ranking #5683. Since 1996, the popularity has increased by 42.9%. In 1999, approximately 1 in every 192,009 boys born was named Austun. FALLING Recent data shows the name is currently falling.