Pius is a distinctive boys' name in United States, ranking #14098 in 2008 with 5 recorded births. This places Pius in the bottom 4% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2022 with 12 births ranking #7135. In 2008, approximately 1 in every 407,989 boys born was named Pius. FALLING Recent data shows the name is currently falling.