Agustus is a distinctive boys' name in United States, ranking #6100 in 2009 with 14 recorded births. The name reached its all-time peak in 2009 with 14 births ranking #6100. Since 1996, the popularity has increased by 100.0%. In 2009, approximately 1 in every 141,665 boys born was named Agustus. STABLE Recent data shows the name is currently stable.