Quintus is a distinctive boys' name in United States, ranking #7558 in 2025 with 11 recorded births. This places Quintus in the bottom 46% 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 2025, approximately 1 in every 155,280 boys born was named Quintus. FALLING Recent data shows the name is currently falling.