Agustus is a distinctive boys' name in United States, ranking #8050 in 2015 with 9 recorded births. The name reached its all-time peak in 2009 with 14 births ranking #6100. Since 1996, the popularity has increased by 28.6%. In 2015, approximately 1 in every 212,918 boys born was named Agustus. STABLE Recent data shows the name is currently stable.