Austun is a distinctive boys' name in United States, ranking #10830 in 2002 with 5 recorded births. This places Austun in the bottom 13% 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 decreased by 28.6%. In 2002, approximately 1 in every 388,294 boys born was named Austun. FALLING Recent data shows the name is currently falling.