Xaver is a distinctive boys' name in United States, ranking #13979 in 2014 with 5 recorded births. This places Xaver in the bottom 1% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2001 with 7 births ranking #9209. In 2014, approximately 1 in every 384,088 boys born was named Xaver. FALLING Recent data shows the name is currently falling.