Wei is a distinctive boys' name in United States, ranking #5640 in 1999 with 12 recorded births. This places Wei in the top 49% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1998 with 18 births ranking #4010. In 1999, approximately 1 in every 160,007 boys born was named Wei. RISING Recent data shows the name is currently rising.