Kass is a distinctive boys' name in United States, ranking #13108 in 2021 with 5 recorded births. This places Kass in the bottom 7% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2009 with 9 births ranking #8676. In 2021, approximately 1 in every 349,647 boys born was named Kass. STABLE Recent data shows the name is currently stable.