Agustus is a distinctive boys' name in United States, ranking #9600 in 2003 with 6 recorded births. The name reached its all-time peak in 2009 with 14 births ranking #6100. Since 1996, the popularity has decreased by 14.3%. In 2003, approximately 1 in every 329,212 boys born was named Agustus. STABLE Recent data shows the name is currently stable.