Quintus is a distinctive boys' name in United States, ranking #7454 in 2010 with 11 recorded births. This places Quintus in the bottom 48% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2012 with 31 births ranking #3510. In 2010, approximately 1 in every 174,401 boys born was named Quintus. FALLING Recent data shows the name is currently falling.