Agustus is a distinctive boys' name in United States, ranking #8852 in 2021 with 8 recorded births. The name reached its all-time peak in 2009 with 14 births ranking #6100. Since 1996, the popularity has increased by 14.3%. In 2021, approximately 1 in every 218,530 boys born was named Agustus. STABLE Recent data shows the name is currently stable.